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View Code? Open in Web Editor NEWChaco is a Python package for building interactive and custom 2-D plots.
Home Page: http://docs.enthought.com/chaco/
License: Other
Chaco is a Python package for building interactive and custom 2-D plots.
Home Page: http://docs.enthought.com/chaco/
License: Other
E.g. in "Zoomed plot" demo, uses the class ZoomPlot docstring, should use the module zoom_plot docstring.
If you do contourf(z)
where z is a 2D numpy array, as expected, then you get the following traceback. contour(z)
works just fine.
TraitError Traceback (most recent call last)
/Users/cwebster/src/ets/chaco/docs/<ipython console> in <module>()
/Users/cwebster/src/ets/chaco/enthought/chaco/shell/commands.py in contourf(*data, **kwargs)
473
474 plots = plot_maker.do_contour(session.data, session.colormap, cont,
--> 475 "poly", *data, **kwargs)
476 cont.request_redraw()
477 return
/Users/cwebster/src/ets/chaco/enthought/chaco/shell/plot_maker.py in do_contour(plotdata, colormap, active_plot, type, *data, **kwargs)
427 poly_cmap=colormap,
428 colors=colormap,
--> 429 **kwargs)]
430
431 return plot_list
/Users/cwebster/src/ets/chaco/enthought/chaco/plot.pyc in contour_plot(self, data, type, name, poly_cmap, xbounds, ybounds, origin, hide_grids, **styles)
583
584 return self._create_2d_plot(cls, name, origin, xbounds, ybounds, value,
--> 585 hide_grids, **kwargs)
586
587 def _create_2d_plot(self, cls, name, origin, xbounds, ybounds, value_ds,
/Users/cwebster/src/ets/chaco/enthought/chaco/plot.pyc in _create_2d_plot(self, cls, name, origin, xbounds, ybounds, value_ds, hide_grids, **kwargs)
650 orientation=self.orientation,
651 origin=origin,
--> 652 **kwargs)
653
654 if hide_grids:
/Users/cwebster/src/ets/chaco/enthought/chaco/base_contour_plot.pyc in __init__(self, *args, **kwargs)
56
57 def __init__(self, *args, **kwargs):
---> 58 super(BaseContourPlot, self).__init__(*args, **kwargs)
59 if self.color_mapper:
60 self.color_mapper.on_trait_change(self._update_color_mapper, "updated")
/Users/cwebster/src/ets/chaco/enthought/chaco/base_2d_plot.pyc in __init__(self, **kwargs)
88 kwargs_tmp[trait_name] = kwargs.pop(trait_name)
89 self.set(**kwargs_tmp)
---> 90 super(Base2DPlot, self).__init__(**kwargs)
91 if self.index is not None:
92 self.index.on_trait_change(self._update_index_data,
/Users/cwebster/src/ets/enable/enthought/enable/component.pyc in __init__(self, **traits)
392 container.add(self)
393 else:
--> 394 super(Component,self).__init__(**traits)
395 self._set_padding_traits(padding, padding_traits)
396 return
/Library/Frameworks/Python.framework/Versions/7.0/lib/python2.7/site-packages/enthought/traits/trait_handlers.pyc in error(self, object, name, value)
165 """
166 raise TraitError( object, name, self.full_info( object, name, value ),
--> 167 value )
168
169 def arg_error ( self, method, arg_num, object, name, value ):
TraitError: The 'colors' trait of a ContourPolyPlot instance must be a string or a ColorMapper or None or a list of items which are any value or a tuple, but a value of <function jet at 0x1f684c70> <type 'function'> was specified.
This is a strange behavior I'm seeing on OS X 64-bit. Not sure if it happens on other platforms, but this is possibly related to Numpy changes? (I'm on 1.7.0rc1.)
I have a simple fix and will submit a PR, but I wanted to create an issue for this so others can test/verify on other platforms and with other versions of Numpy.
OS: linux ubuntu 10.10
Sometimes upon refresh / update of a plot, we get an exception with a corrupted traceback.
It looks like the exception occurs upon auto scaling of the value axis, possibly when rebuilding the axis ticks. (the exception does not occur when the value range limits are fixed).
The exception also causes a memory leak (using 'top' it can be observed that the ipython process successively increase the memory).
Below I paste the traceback.
In [2]: ERROR: An unexpected error occurred while tokenizing input
The following traceback may be corrupted or invalid
The error message is: ('EOF in multi-line statement', (2, 0))
IndexError Traceback (most recent call last)
/usr/lib/python2.6/dist-packages/enthought/enable/abstract_window.pyc in _paint(self, event)
348 self.component.do_layout()
349 gc = self._gc
--> 350 self.component.draw(gc, view_bounds=(0, 0, size[0], size[1]))
351
352 # damaged_regions = draw_result['damaged_regions']
/usr/lib/python2.6/dist-packages/enthought/enable/component.pyc in draw(self, gc, view_bounds, mode)
423 self.do_layout()
424
--> 425 self._draw(gc, view_bounds, mode)
426 return
427
/usr/lib/python2.6/dist-packages/enthought/enable/component.pyc in _draw(self, gc, view_bounds, mode)
759 else:
760 for layer in self.draw_order:
--> 761 self._dispatch_draw(layer, gc, view_bounds, mode)
762
763 return
/usr/lib/python2.6/dist-packages/enthought/enable/container.pyc in _dispatch_draw(self, layer, gc, view_bounds, mode)
308 my_handler = getattr(self, "draw_container" + layer, None)
309 if my_handler:
--> 310 my_handler(gc, view_bounds, mode)
311
312 # Now transform coordinates and draw the children
/usr/lib/python2.6/dist-packages/enthought/enable/container.pyc in _draw_container_underlay(self, gc, view_bounds, mode)
350
351 def _draw_container_underlay(self, gc, view_bounds=None, mode="normal"):
--> 352 self._draw_underlay(gc, view_bounds, mode)
353
354 def _draw_container_border(self, gc, view_bounds=None, mode="normal"):
/usr/lib/python2.6/dist-packages/enthought/enable/component.pyc in _draw_underlay(self, gc, view_bounds, mode)
876 # just overlays drawn at a different time in the rendering loop.
877 if underlay.visible:
--> 878 underlay.overlay(self, gc, view_bounds, mode)
879 return
880
/usr/lib/python2.6/dist-packages/enthought/chaco/grid.pyc in overlay(self, other_component, gc, view_bounds, mode)
302 return
303 self._compute_ticks(other_component)
--> 304 self._draw_component(gc, view_bounds, mode)
305 self._cache_valid = False
306 return
/usr/lib/python2.6/dist-packages/enthought/chaco/grid.pyc in _draw_component(self, gc, view_bounds, mode)
341 starts[:,0] = self._tick_extents[:,0]
342 ends = self._tick_positions.copy()
--> 343 ends[:,0] = self._tick_extents[:,1]
344 else:
345 starts = self._tick_positions.copy()
IndexError: invalid index
At the moment PolarMapper is the same as LinearMapper, and one needs to map from polar to catesian coordinates by hand.
See: docs in polar_mapper.py, create_polar_plot in plot_factory.py
The following code demonstrates the problem. Three curves are plotted; they will have the default names 'plot0', 'plot1', and 'plot2'. 'plot1' is a green dashed line. The 'labels' attribute of the legend is set to ['plot1'], so only the name 'plot1' should show up in the legend, and the icon should be a green dashed line. In the plot generated by the script, the legend lists only 'plot1', but the icon is a solid red line--it is referencing 'plot0'.
import numpy as np
from traits.api import HasTraits, Instance
from traitsui.api import UItem, View
from chaco.api import Plot, ArrayPlotData
from enable.api import ComponentEditor
class Demo(HasTraits):
plot = Instance(Plot)
def _plot_default(self):
x = np.linspace(0, 4, 51)
y1 = np.sin(x)
y2 = np.cos(x)
y3 = np.exp(-x)
data = ArrayPlotData(x=x, y1=y1, y2=y2, y3=y3)
plot = Plot(data)
plot.plot(('x', 'y1'), color=(1,0,0))
plot.plot(('x', 'y2'), color=(0,1,0), line_style='dash')
plot.plot(('x', 'y3'), color=(0,0,1))
plot.legend.visible = True
plot.legend.labels = ['plot1']
return plot
traits_view = \
View(
UItem('plot', editor=ComponentEditor(), style='custom'),
resizable=True,
)
if __name__ == "__main__":
demo = Demo()
demo.configure_traits()
The bug is in the Legend's get_preferred_size() method. In the loop over label_names
, val
should just be self.plots[name]
, not self.plots[plot_names[i]]
.
The RangeSelection tool appends selection masks to a list held in the datasource metadata. When removing the selection, the tool deletes all items in the selection_mask list, however, it remains as an empty list in the datasource metadata.
When rendering selected points, the scatterplot renderer checks for the existence of a metadata field named 'selection_masks' if it exists, it will collect the points to be rendered. Unfortunately, it doesn't handle the case of an empty list which is what is left by the RangeSelection tool.
selection_mode = "multi"
.What happens: Clicked point becomes deselected. Clicking it again without a key modifier, selects the point and deselects the others in the previous selection.
What probably should happen: Clicked point remains selected. The rest of the previous selection gets deselected.
Cheers,
-A
Found while trying to run demo/shell/lines.py.
shell/plot_maker.py/do_plot() line 296:
x_ds.sort_order = x_sort_order
but there is no guarantee that x_sort_order
is assigned a value above.
Something like following might work as a fix:
if x not in active_plot.datasources:
x_sort_order = _check_sort_order(plotdata.get_data(x))
else:
x_sort_order = None
plots.extend(active_plot.plot((x,y), type=",".join(plot_type), **format))
# Set the sort order
x_ds = active_plot.datasources[x]
if isinstance(x_ds, ArrayDataSource) and x_sort_order:
x_ds.sort_order = x_sort_order
import chaco.shell as csh
from numpy import linspace, pi, sin, cos
x = linspace(-2 * pi, 2 * pi, 100)
y = sin(x)
csh.plot(x, y, 'bv')
raises this:
/.../lib/python2.7/site-packages/traits/trait_handlers.pyc in error(self, object, name, value)
168 """
169 raise TraitError( object, name, self.full_info( object, name, value ),
--> 170 value )
171
172 def arg_error ( self, method, arg_num, object, name, value ):
TraitError: The 'marker' trait of a ScatterPlot instance must be
'circle' or 'cross' or 'custom' or 'diamond' or 'dot' or
'inverted_triangle' or 'pixel' or 'plus' or 'square' or 'triangle',
but a value of 'down triangle' <type 'str'> was specified.
I am using Chaco 4.2.0.
Currently the PdfGraphicsContext doesn't include the mappings to support landscape orientation of the ReportLab Canvas.
The try block found in kiva/fonttools/font_manager.py createFontList(fontfiles, fontext)
684 try:
--> 685 font = TTFont(str(fpath))
686 except...
Should include an except clause for TTLibError raised in kiva/fonttools/fontTools/ttLib/sfnt.pyc in init(self, file, checkChecksums)
35 if self.sfntVersion not in ("\000\001\000\000", "OTTO", "true"):
36 from kiva.fonttools.fontTools import ttLib
---> 37 raise ttLib.TTLibError, "Not a TrueType or OpenType font (bad sfntVersion)"
38 self.tables = {}
39 for i in range(self.numTables):
Resulting in the bubbling up of
TTLibError: Not a TrueType or OpenType font (bad sfntVersion)
Lacking this except, a TTLibError will cause a failure in the font manager. This issue was discovered when attempting to import ChacoPlotItem using
from enthought.chaco.chaco_plot_editor import ChacoPlotItem
Best Regards,
Gary
OS: Windows XP 32, Windows 7 32
EPD: 7.0, 6.3
related issue: memory leak in copy_ticks on linux (to be submitted as next issue)
During refresh / update of a plot, we sometimes get the following error.
self._update_region += damaged_regions
TypeError: unsupported operand type(s) for +=: 'NoneType' and 'list'
The respective code in AbstractWindow reads:
class AbstractWindow(HasTraits):
...
def invalidate_draw(self, damaged_regions=None, self_relative=False):
if damaged_regions is not None and self._update_region is not None:
self._update_region += damaged_regions
else:
self._update_region = None
Thus, the error in principle cannot occur. Now I speculate: is it a race condition? Is there something not thread safe here?
Sometimes the error occurs frequently and crashes the code. It looks like there is also a memory leak.
In the following are the tracebacks with and without memory error.
Without memor error:
2010-09-06 12:45:16,640 - trait_notifiers._log_exception - ERROR - Exception occurred in traits notification handler for object: <enthought.chaco.array_data_source.ArrayDataSource object at 0x0669E9C0>, trait: data_changed, old value: , new value: True Traceback (most recent call last):
File "C:\Python26\lib\site-packages\enthought\traits\trait_notifiers.py", line 481, in rebind_call_0
self.dispatch( getattr( self.object(), self.name ) )
File "C:\Python26\lib\site-packages\enthought\traits\trait_notifiers.py", line 424, in dispatch
handler( *args )
File "C:\Python26\lib\site-packages\enthought\chaco\base_xy_plot.py", line 600, in _either_data_changed
self.invalidate_draw()
File "C:\Python26\lib\site-packages\enthought\enable\component.py", line 549, in invalidate_draw
self.container.invalidate_draw(damaged_regions=damaged_regions, self_relative=True)
File "C:\Python26\lib\site-packages\enthought\enable\component.py", line 552, in invalidate_draw
self._window.invalidate_draw(damaged_regions=damaged_regions, self_relative=True)
File "C:\Python26\lib\site-packages\enthought\enable\abstract_window.py", line 230, in invalidate_draw
self._update_region += damaged_regions
TypeError: unsupported operand type(s) for +=: 'NoneType' and 'list'
With Memory Error:
MemoryError Traceback (most recent call last)
C:\Python26\lib\site-packages\enthought\enable\abstract_window.pyc in _paint(sel f, event)
348 self.component.do_layout() 349 gc = self._gc
--> 350 self.component.draw(gc, view_bounds=(0, 0, size[0], size[1]))
351 352 # damaged_regions = draw_resultdamaged_regions?
C:\Python26\lib\site-packages\enthought\enable\component.pyc in draw(self, gc, v iew_bounds, mode)
423 self.do_layout() 424
--> 425 self._draw(gc, view_bounds, mode)
426 return 427
C:\Python26\lib\site-packages\enthought\enable\component.pyc in _draw(self, gc, view_bounds, mode)
759 else: 760 for layer in self.draw_order:
--> 761 self._dispatch_draw(layer, gc, view_bounds, mode)
762 763 return
C:\Python26\lib\site-packages\enthought\enable\container.pyc in _dispatch_draw(s elf, layer, gc, view_bounds, mode)
324 component._draw(gc, new_bounds, mode) 325 else:
--> 326 component._dispatch_draw(layer, gc, new_bounds, mode)
327 finally: 328 gc.restore_state()
C:\Python26\lib\site-packages\enthought\enable\component.pyc in _dispatch_draw(s elf, layer, gc, view_bounds, mode)
779 handler = getattr(self, "draw" + layer, None) 780 if handler:
--> 781 handler(gc, view_bounds, mode)
782 return 783
C:\Python26\lib\site-packages\enthought\chaco\base_2d_plot.pyc in _draw_image(se lf, gc, view_bounds, mode)
202 Used by the PlotComponent interface. 203 """
--> 204 self._render(gc)
205 return 206
C:\Python26\lib\site-packages\enthought\chaco\cmap_image_plot.pyc in _render(sel f, gc)
87 self._compute_cached_image(self.value.metadata['selectio
n_masks'])
88 else:
---> 89 self._compute_cached_image()
90 ImagePlot._render(self, gc) 91
C:\Python26\lib\site-packages\enthought\chaco\cmap_image_plot.pyc in _compute_ca ched_image(self, selection_masks)
100 if not self._mapped_image_cache_valid: 101 cached_mapped_image = \
--> 102 self.value_mapper.map_screen(self.value.data) * 255
103 if selection_masks is not None: 104 # construct a composite mask
C:\Python26\lib\site-packages\enthought\chaco\color_mapper.pyc in map_screen(sel f, data_array)
256 norm_data = clip((data_array - low) / (high - low), 0.0, 1.0
)
257
--> 258 return self._map(norm_data)
259 260
C:\Python26\lib\site-packages\enthought\chaco\color_mapper.pyc in _map(self, X)
402 403 nanmask = isnan(xa)
--> 404 xa = where(nanmask, 0, (xa * (self.steps-1)).astype(int))
405 rgba = zeros(xa.shape+(4,), float) 406 rgba[...,0] = where(nanmask, 0, take(self._red_lut, xa))
When the metadata name attribute of a RangeSelection tool is changed to something other than 'selections' the overlay does not appear to correctly handle the change. Setting the metadata_name attribute of the RangeSelectionOverlay seems to prompt the overlay tool to search for a range which contains all of the selected points. The code indicates that it treats the metadata as a selection mask rather than a range. An exception arises when attempting to find the range that contains all of the points in the mask and appears to be related to finding the runs in the selection mask.
I've been playing around with the scattertoggle.py example. Maybe I'm missing something, but the ScatterInspector seems to fail to deselect all points when clicking on whitespace on the plot (that is, index == None). Something along the lines of this seems to fix it.
class PatchedScatterInspector(ScatterInspector):
def _deselect(self, index=None):
plot = self.component
if index:
super(PatchedScatterInspector, self)._deselect(index)
else:
for name in ('index', 'value'):
if not hasattr(plot, name):
continue
md = getattr(plot, name).metadata
md[self.selection_metadata_name] = []
getattr(plot, name).metadata_changed = True
return
Cheers,
-A
Tests pass on Travis CI, but I get a set of errors on my machine, all related to chaco.scales
:
==> nosetests chaco
..........................FFFF...............F...........F.........F...F........................................................................................................................
======================================================================
FAIL: test_time_scale.test_tfrac_hours_02
----------------------------------------------------------------------
Traceback (most recent call last):
File "/Users/pberkes/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/nose/case.py", line 197, in runTest
self.test(*self.arg)
File "/Users/pberkes/test_venvs/meta-ets/meta-ETS/chaco/chaco/scales/tests/test_time_scale.py", line 39, in test_tfrac_hours_02
assert base == 0
AssertionError
======================================================================
FAIL: test_time_scale.test_tfrac_hours_03
----------------------------------------------------------------------
Traceback (most recent call last):
File "/Users/pberkes/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/nose/case.py", line 197, in runTest
self.test(*self.arg)
File "/Users/pberkes/test_venvs/meta-ets/meta-ETS/chaco/chaco/scales/tests/test_time_scale.py", line 45, in test_tfrac_hours_03
assert base == 3600 * 4
AssertionError
======================================================================
FAIL: test_time_scale.test_tfrac_hours_04
----------------------------------------------------------------------
Traceback (most recent call last):
File "/Users/pberkes/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/nose/case.py", line 197, in runTest
self.test(*self.arg)
File "/Users/pberkes/test_venvs/meta-ets/meta-ETS/chaco/chaco/scales/tests/test_time_scale.py", line 51, in test_tfrac_hours_04
assert base == 3600 * 3.0
AssertionError
======================================================================
FAIL: test_time_scale.test_tfrac_hours_05
----------------------------------------------------------------------
Traceback (most recent call last):
File "/Users/pberkes/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/nose/case.py", line 197, in runTest
self.test(*self.arg)
File "/Users/pberkes/test_venvs/meta-ets/meta-ETS/chaco/chaco/scales/tests/test_time_scale.py", line 57, in test_tfrac_hours_05
assert base == 3600 * 12.0
AssertionError
======================================================================
FAIL: test_time_scale.test_trange_hours_07
----------------------------------------------------------------------
Traceback (most recent call last):
File "/Users/pberkes/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/nose/case.py", line 197, in runTest
self.test(*self.arg)
File "/Users/pberkes/test_venvs/meta-ets/meta-ETS/chaco/chaco/scales/tests/test_time_scale.py", line 149, in test_trange_hours_07
assert r == [0.0, 7200.0]
AssertionError
======================================================================
FAIL: test_yearly_scales (chaco.scales.time_scale_test_case.CalendarScaleSystemTestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/Users/pberkes/test_venvs/meta-ets/meta-ETS/chaco/chaco/scales/time_scale_test_case.py", line 174, in test_yearly_scales
self.check_ticks(ticks, desired)
File "/Users/pberkes/test_venvs/meta-ets/meta-ETS/chaco/chaco/scales/scales_test_case.py", line 16, in check_ticks
self.assertEqual(len(ticks1),len(ticks2))
AssertionError: 7 != 8
======================================================================
FAIL: test_day_of_month (chaco.scales.time_scale_test_case.TimeScaleTestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/Users/pberkes/test_venvs/meta-ets/meta-ETS/chaco/chaco/scales/time_scale_test_case.py", line 129, in test_day_of_month
self.check_ticks(ts.ticks(start,end), desired)
File "/Users/pberkes/test_venvs/meta-ets/meta-ETS/chaco/chaco/scales/scales_test_case.py", line 18, in check_ticks
self.assertAlmostEqual(t1, t2, 6)
AssertionError: 1110924000.0 != 1110841200.0 within 6 places
======================================================================
FAIL: test_month_of_year (chaco.scales.time_scale_test_case.TimeScaleTestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/Users/pberkes/test_venvs/meta-ets/meta-ETS/chaco/chaco/scales/time_scale_test_case.py", line 143, in test_month_of_year
self.check_ticks(ts.ticks(start,end), desired)
File "/Users/pberkes/test_venvs/meta-ets/meta-ETS/chaco/chaco/scales/scales_test_case.py", line 18, in check_ticks
self.assertAlmostEqual(t1, t2, 6)
AssertionError: 1104616800.0 != 1104534000.0 within 6 places
----------------------------------------------------------------------
Ran 192 tests in 0.347s
FAILED (failures=8)
Using the Canopy distribution (1.1.0-osx-64 on OSX 10.7.5), the example (http://docs.enthought.com/chaco/user_manual/tutorial_1.html#application-oriented-plotting) works in the Canopy Editor, but almost works correctly from the command line. This time, the expected plot appears, but it's not possible to close the window because of this error when clicking the 'window close' button:
Traceback (most recent call last): File "/Users/david/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/traitsui/wx/ui_live.py", line 333, in _on_close_page self._on_ok( event ) File "/Users/david/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/traitsui/wx/ui_live.py", line 360, in _on_ok self.close( wx.ID_OK ) File "/Users/david/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/traitsui/wx/ui_live.py", line 320, in close ui.finish() File "/Users/david/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/traitsui/ui.py", line 264, in finish self.reset( destroy = True ) File "/Users/david/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/traitsui/ui.py", line 304, in reset editor.dispose() File "/Users/david/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/enable/component_editor.py", line 52, in dispose self._window.cleanup() AttributeError: 'NoneType' object has no attribute 'cleanup'
By default my system seems to be using wx. If I do the following before running the command-line scripts:
$ export ETS_TOOLKIT=qt4
then the tutorial 'applications' do terminate correctly when run from the command line.
A consequence of #101 was that some special-cased calls to gc.draw_markers_at_points()
were removed. These are not general (they don't handle variable sizes or colors) but they are very, very fast because they run in C/C++. As a result we have lost some performance when dealing with simple scatter plots on large (eg. ~1e6 point) data sets.
We should add back checks to see if we can use this code (ie. color and size fixed, and gc has the methods), and then use them!
It's not possible to use MultiLinePlot to plot a collection of lines with a shared y-axis range. Setting the yindex trait to an array of zeros doesn't have the desired effect.
When using the range zoom of the better_selecting_zoom, the tool draws an opaque overlay contrary to the behavior of the box zoom. Is this supposed to be that way ? One simple fix would be to copy and paste some lines from the box zoom, but, as I don't know if it is the right way to go, I prefer to simply signal this issue.
Many demos are using an old style with lots of code smell. Clean these up. AFAIK the following grep gives the bad examples.
| [05-20 17:05] aterrel@lilac:~/workspace/chaco/examples (.132 Mb) (fixing_demos)
$ grep -r "class Demo(HasTraits)" *
advanced/data_stream.py:class Demo(HasTraits):
advanced/javascript_hover_tools.py:class Demo(HasTraits):
advanced/spec_waterfall.py:class Demo(HasTraits):
advanced/spectrum.py:class Demo(HasTraits):
advanced/variable_sized_scatter.py:class Demo(HasTraits):
basic/bounded_grids.py:class Demo(HasTraits):
basic/candle.py:class Demo(HasTraits):
basic/cmap_image_plot.py:class Demo(HasTraits):
basic/cmap_image_select.py:class Demo(HasTraits):
basic/cmap_scatter.py:class Demo(HasTraits):
basic/contour_cmap_plot.py:class Demo(HasTraits):
basic/contour_plot.py:class Demo(HasTraits):
basic/draw_layers.py:class Demo(HasTraits):
basic/grid_container.py:class Demo(HasTraits):
basic/grid_container_aspect_ratio.py:class Demo(HasTraits):
basic/image_inspector.py:class Demo(HasTraits):
basic/image_lasso.py:class Demo(HasTraits):
basic/image_plot.py:class Demo(HasTraits):
basic/inset_plot.py:class Demo(HasTraits):
basic/line_drawing.py:class Demo(HasTraits):
basic/line_plot1.py:class Demo(HasTraits):
basic/line_plot_hold.py:class Demo(HasTraits):
basic/log_plot.py:class Demo(HasTraits):
basic/nans_plot.py:class Demo(HasTraits):
basic/polygon_move.py:class Demo(HasTraits):
basic/regression.py:class Demo(HasTraits):
basic/scatter.py:class Demo(HasTraits):
basic/scatter_custom_marker.py:class Demo(HasTraits):
basic/scatter_inspector.py:class Demo(HasTraits):
basic/scatter_select.py:class Demo(HasTraits):
basic/scatter_toggle.py:class Demo(HasTraits):
basic/scrollbar.py:class Demo(HasTraits):
basic/zoomable_colorbar.py:class Demo(HasTraits):
bigdata.py:class Demo(HasTraits):
data_labels.py:class Demo(HasTraits):
data_view.py:class Demo(HasTraits):
edit_line.py:class Demo(HasTraits):
financial_plot.py:class Demo(HasTraits):
financial_plot_dates.py:class Demo(HasTraits):
functionplotter.py:class Demo(HasTraits):
multiaxis.py:class Demo(HasTraits):
multiaxis_using_Plot.py:class Demo(HasTraits):
quiver.py:class Demo(HasTraits):
range_selection_demo.py:class Demo(HasTraits):
scales_test.py:class Demo(HasTraits):
simple_line.py:class Demo(HasTraits):
simple_polar.py:class Demo(HasTraits):
stacked_axis.py:class Demo(HasTraits):
tornado.py:class Demo(HasTraits):
tutorials/scipy2008/ploteditor.py:class Demo(HasTraits):
two_plots.py:class Demo(HasTraits):
vertical_plot.py:class Demo(HasTraits):
zoomed_plot/zoom_plot.py:class Demo(HasTraits):
In ipython shell, when overlaying a scatter plot and a contour plot, clicking on the plot gives the following traceback. Presumably we should implement at least a minimal hittest() method on all plots, even if it will never do anything. Or alternatively, make the highlight tool just a little smarter...
AttributeError Traceback (most recent call last)
/Users/cwebster/src/ets/enable/enthought/enable/abstract_window.pyc in _on_left_down(self, event)
437
438 def _on_left_down ( self, event ):
--> 439 self._handle_mouse_event( 'left_down', event, set_focus = True )
440
441 def _on_left_up ( self, event ):
/Users/cwebster/src/ets/enable/enthought/enable/abstract_window.pyc in _handle_mouse_event(self, event_name, event, set_focus)
339 self.component.dispatch(mouse_event, "pre_" + event_name)
340 mouse_event.handled = False
--> 341 self.component.dispatch(mouse_event, event_name)
342
343
/Users/cwebster/src/ets/enable/enthought/enable/component.pyc in dispatch(self, event, suffix)
905 self._old_dispatch(event, suffix)
906 else:
--> 907 self._new_dispatch(event, suffix)
908 return
909
/Users/cwebster/src/ets/enable/enthought/enable/component.pyc in _new_dispatch(self, event, suffix)
958 if not event.handled:
959 for tool in self.tools:
--> 960 tool.dispatch(event, suffix)
961
962 return
/Users/cwebster/src/ets/enable/enthought/enable/base_tool.pyc in dispatch(self, event, suffix)
138 Overrides enable.Interactor.
139 """
--> 140 self._dispatch_stateful_event(event, suffix)
141 return
142
/Users/cwebster/src/ets/enable/enthought/enable/base_tool.pyc in _dispatch_stateful_event(self, event, suffix)
147 handler = getattr(self, self.event_state + "_" + suffix, None)
148 if handler is not None:
--> 149 handler(event)
150 return
151
/Users/cwebster/src/ets/chaco/enthought/chaco/tools/highlight_tool.pyc in normal_left_down(self, event)
42 """
43 if self.drag_button == "left":
---> 44 self._highlight(event)
45 return
46
/Users/cwebster/src/ets/chaco/enthought/chaco/tools/highlight_tool.pyc in _highlight(self, event)
57 if isinstance(self.component, BasePlotContainer):
58 event.offset_xy(self.component.x, self.component.y)
---> 59 closest_plot = self._find_curve(self.component.components, event)
60 if closest_plot:
61 index = closest_plot.index
/Users/cwebster/src/ets/chaco/enthought/chaco/tools/highlight_tool.pyc in _find_curve(self, plots, event)
88 # need to change to use distance - not just return first plot within threshold
89 for p in plots:
---> 90 cpoint = p.hittest((event.x,event.y), self.threshold)
91 if cpoint:
92 return p
AttributeError: 'ContourLinePlot' object has no attribute 'hittest'
The test in chaco/tests/border_test_case.py fails both for the wx backend:
ERROR: Borders should have the correct height and width.
Traceback (most recent call last):
File "/Users/pberkes/egit/ETS/chaco/chaco/tests/border_test_case.py", line 37, in test_draw_border_simple
actual = gc.bmp_array[:,:,0]
AttributeError: 'PlotGraphicsContext' object has no attribute 'bmp_array'
and the qt4 backend:
FAIL: Borders should have the correct height and width.
Traceback (most recent call last):
File "/Users/pberkes/egit/ETS/chaco/chaco/tests/border_test_case.py", line 38, in test_draw_border_simple
self.assertRavelEqual(actual, desired)
File "/Users/pberkes/egit/ETS/chaco/chaco/tests/border_test_case.py", line 19, in assertRavelEqual
self.assert_(alltrue(ravel(x) == ravel(y)), "\n%s\n !=\n%s" % (x, y))
AssertionError:
[[255 255 255 255 255 255]
[255 0 0 0 0 255]
[255 0 255 255 0 255]
[255 0 255 255 0 255]
[255 0 0 0 0 255]
[255 255 255 255 255 255]]
!=
[[255 255 255 255 255 255]
[255 255 255 255 255 255]
[255 0 0 0 255 255]
[255 0 255 0 255 255]
[255 0 0 0 255 255]
[255 255 255 255 255 255]]
To finish the maintenance work begun in f7ff8d8
The problem is that the lower bound of the range becomes negative:
Traceback (most recent call last):
File "/Users/pberkes/egit/ETS/enable/enable/wx/quartz.py", line 99, in _paint
self.component.draw(gc, view_bounds=(0, 0, size[0], size[1]))
File "/Users/pberkes/egit/ETS/enable/enable/component.py", line 427, in draw
self._draw(gc, view_bounds, mode)
File "/Users/pberkes/egit/ETS/enable/enable/component.py", line 747, in _draw
self._dispatch_draw(layer, bb, view_bounds, mode)
File "/Users/pberkes/egit/ETS/enable/enable/container.py", line 312, in _dispatch_draw
my_handler(gc, view_bounds, mode)
File "/Users/pberkes/egit/ETS/enable/enable/container.py", line 352, in _draw_container_underlay
self._draw_underlay(gc, view_bounds, mode)
File "/Users/pberkes/egit/ETS/enable/enable/component.py", line 865, in _draw_underlay
underlay.overlay(self, gc, view_bounds, mode)
File "/Users/pberkes/egit/ETS/chaco/chaco/grid.py", line 305, in overlay
self._compute_ticks(other_component)
File "/Users/pberkes/egit/ETS/chaco/chaco/grid.py", line 253, in _compute_ticks
scale=scale)
File "/Users/pberkes/egit/ETS/chaco/chaco/scales_tick_generator.py", line 27, in get_ticks
ticks = self.scale.ticks(data_low, data_high)
File "/Users/pberkes/egit/ETS/chaco/chaco/scales/scales.py", line 443, in ticks
scale = self._get_scale(start, end, numticks)
File "/Users/pberkes/egit/ETS/chaco/chaco/scales/scales.py", line 526, in _get_scale
closest_scale = self._get_scale_np(start, end, numticks)
File "/Users/pberkes/egit/ETS/chaco/chaco/scales/scales.py", line 549, in _get_scale_np
scale_intervals = array([s.num_ticks(start, end, numticks) for s in self.scales])
File "/Users/pberkes/egit/ETS/chaco/chaco/scales/scales.py", line 382, in num_ticks
return len(self.ticks(start, end, desired_ticks))
File "/Users/pberkes/egit/ETS/chaco/chaco/scales/scales.py", line 344, in ticks
log_start = log10(start)
ValueError: math domain error
Not exactly a bug, but it does complicate rebuilding of the docs when building chaco via an automated Linux distro package build system. It seems that the chaco 4.1.0 docs can only be built with access to an X11 display:
$ export DISPLAY=
$ make html
sphinx-build -b html -d build/doctrees source build/html
Making output directory...
Running Sphinx v1.1.2
loading pickled environment... not yet created
building [html]: targets for 28 source files that are out of date
updating environment: 28 added, 0 changed, 0 removed
Unable to access the X Display, is $DISPLAY set properly?
make: *** [html] Error 1
I'm attempting the build on a Linux box running Python 2.7.2.
Using the following snippet crashes python with a fatal error
"Fatal Python error: This thread state must be current when releasing"
class RotatingContainer(OverlayPlotContainer):
rotation = Float(45)
use_backbuffer = False
def draw(self, gc, *args, **kw):
with gc:
w2 = self.width / 2
h2 = self.height / 2
gc.translate_ctm(w2, h2)
gc.rotate_ctm(math.radians(self.rotation))
gc.translate_ctm(-w2, -h2 - 100)
OverlayPlotContainer.draw(self, gc, *args, **kw)
setting use_backbuffer=True works for some cases. see "Free rotation of Chaco plots" thread in enthought mailing list
Canopy 1.0 Mac OSX 10.7.5
The map_data() method from the DataView class in chaco/data_view.py does not correctly handle a vertical orientation.
Line 233 from the map_data method:
{{{
return array((self.index_mapper.map_data(x), self.value_mapper.map_data(y)))
}}}
I believe the fix is to replace the above line by:
{{{
if self.orientation == 'h':
return array((self.index_mapper.map_data(x), self.value_mapper.map_data(y)))
else:
return array((self.index_mapper.map_data(y), self.value_mapper.map_data(x)))
}}}
Trying to save a file fails in the chaco.shell system. The following traceback occurs:
TypeError Traceback (most recent call last)
/Users/cwebster/src/ets/chaco/docs/<ipython console> in <module>()
/Users/cwebster/src/ets/chaco/enthought/chaco/shell/commands.py in save(filename, pagesize, dest_box, units)
767 from enthought.chaco.api import PlotGraphicsContext
768 gc = PlotGraphicsContext((int(p.outer_width), int(p.outer_height)))
--> 769 p.draw(gc, mode="normal")
770 gc.save(filename)
771 del gc
/Users/cwebster/src/ets/enable/enthought/enable/component.pyc in draw(self, gc, view_bounds, mode)
423 self.do_layout()
424
--> 425 self._draw(gc, view_bounds, mode)
426 return
427
/Users/cwebster/src/ets/enable/enthought/enable/component.pyc in _draw(self, gc, view_bounds, mode)
754
755 # Blit the backbuffer and then draw the overlay on top
--> 756 gc.draw_image(self._backbuffer, (x, y, width, height))
757 self._dispatch_draw("overlay", gc, view_bounds, mode)
758 else:
/Users/cwebster/src/ets/enable/enthought/kiva/agg/agg.pyc in draw_image(self, img, rect, force_copy)
1026 if rect is None:
1027 rect = array((0,0,img.width(),img.height()),float)
-> 1028 return _agg.GraphicsContextArray_draw_image(self,img,rect,force_copy)
1029
1030
TypeError: in method 'GraphicsContextArray_draw_image', argument 2 of type 'kiva::graphics_context_base *'
Currently there exists a ZoomTool and a PanTool but no PanZoomTool. These two tools are logically connected since they operate on the ranges of the graph.
In shell/commands.py, save mehod. A PdfPlotGraphicsContext instance is used to save to pdf, and the same object is used in the code to save to png/bmp/jpg (can be used to save to png/bmp/jpg at all?), however in that case the instance is not created because that's done in if ext == ".pdf". Therefore a save('chacoplot.png') will result in a UnboundLocalError: local variable 'gc' referenced before assignment.
On line 146:
new_data = array(new_data)
but array has not been imported
diff --git a/chaco/array_plot_data.py b/chaco/array_plot_data.py
index a2254e1..05b73e9 100644
--- a/chaco/array_plot_data.py
+++ b/chaco/array_plot_data.py
@@ -1,6 +1,6 @@
""" Defines ArrayPlotData.
+from numpy import array
from traits.api import Dict
Documentation error:
http://docs.enthought.com/chaco/user_manual/tutorial_1.html#a-slight-modification
Verbatim copy/paste in Canopy Editor results in:
--------------------------------------------------------------------------- TypeError Traceback (most recent call last) /Applications/Canopy.app/appdata/canopy-1.1.0.1371.macosx-x86_64/Canopy.app/Contents/lib/python2.7/site-packages/IPython/utils/py3compat.pyc in execfile(fname, *where) 181 else: 182 filename = fname --> 183 __builtin__.execfile(filename, *where) .../tutorial1_5.py in () 21 self.plot = plot 22 if __name__ == "__main__": ---> 23 OverlappingPlot().configure_traits() .../tutorial1_5.py in __init__(self) 11 width=500, height=500, resizable=True, title="Chaco Plot") 12 def __init__(self): ---> 13 super(OverlappingPlot).__init__() 14 x = linspace(-14, 14, 100) 15 y = x/2 * sin(x) TypeError: super() takes at least 1 argument (0 given)
Canopy 1.1.0-osx-64 on OSX 10.7.5.
Python crashes when running this demo on Mac64bit, with python from Canopy 1.3.1715, with Chaco at the tip of master.
Python(29698,0x7fff7af50180) malloc: *** error for object 0x7f000000: pointer being freed was not allocated
Details of the traceback:
Process: Python [29721]
Path: /Users/USER/Library/Enthought/*/Python.app/Contents/MacOS/Python
Identifier: org.python.python
Version: 2.7.6 (2.7.6)
Code Type: X86-64 (Native)
Parent Process: bash [29184]
User ID: 502
Date/Time: 2014-02-06 23:24:57.317 -0600
OS Version: Mac OS X 10.8.5 (12F45)
Report Version: 10
Interval Since Last Report: 299500 sec
Crashes Since Last Report: 2
Per-App Interval Since Last Report: 31950 sec
Per-App Crashes Since Last Report: 2
Anonymous UUID: 52E02745-FDE3-0C5B-853F-7C813183AC34
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Application Specific Information:
*** error for object 0x7f000000: pointer being freed was not allocated
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 libsystem_kernel.dylib 0x00007fff8f0cd212 pthread_kill + 10
1 libsystem_c.dylib 0x00007fff95d5cb24 pthread_kill + 90
2 libsystem_c.dylib 0x00007fff95da0f61 abort + 143
3 libsystem_c.dylib 0x00007fff95d74989 free + 392
4 agg.so 0x00000001145ce4b9 void agg24::render_scanline_aa<agg24::scanline_u8, agg24::renderer_mclip<agg24::pixfmt_alpha_blend_rgba<agg24::blender_rgba<agg24::rgba8, agg24::order_bgra>, agg24::row_ptr_cache, unsigned int> >, agg24::span_allocatoragg24::rgba8, agg24::span_gradient<agg24::rgba8, agg24::span_interpolator_linear<agg24::trans_affine, 8u>, agg24::gradient_y, agg24::pod_auto_array<agg24::rgba8, 256u> > >(agg24::scanline_u8 const&, agg24::renderer_mclip<agg24::pixfmt_alpha_blend_rgba<agg24::blender_rgba<agg24::rgba8, agg24::order_bgra>, agg24::row_ptr_cache, unsigned int> >&, agg24::span_allocatoragg24::rgba8&, agg24::span_gradient<agg24::rgba8, agg24::span_interpolator_linear<agg24::trans_affine, 8u>, agg24::gradient_y, agg24::pod_auto_array<agg24::rgba8, 256u> >&) + 137
5 agg.so 0x00000001145fd1d3 void agg24::render_scanlinesagg24::rasterizer_scanline_aa<agg24::rasterizer_sl_clip<agg24::ras_conv_int >, agg24::scanline_u8, agg24::renderer_scanline_aa<agg24::renderer_mclip<agg24::pixfmt_alpha_blend_rgba<agg24::blender_rgba<agg24::rgba8, agg24::order_bgra>, agg24::row_ptr_cache, unsigned int> >, agg24::span_allocatoragg24::rgba8, agg24::span_gradient<agg24::rgba8, agg24::span_interpolator_linear<agg24::trans_affine, 8u>, agg24::gradient_y, agg24::pod_auto_array<agg24::rgba8, 256u> > > >(agg24::rasterizer_scanline_aaagg24::rasterizer_sl_clip<agg24::ras_conv_int >&, agg24::scanline_u8&, agg24::renderer_scanline_aa<agg24::renderer_mclip<agg24::pixfmt_alpha_blend_rgba<agg24::blender_rgba<agg24::rgba8, agg24::order_bgra>, agg24::row_ptr_cache, unsigned int> >, agg24::span_allocatoragg24::rgba8, agg24::span_gradient<agg24::rgba8, agg24::span_interpolator_linear<agg24::trans_affine, 8u>, agg24::gradient_y, agg24::pod_auto_array<agg24::rgba8, 256u> > >&) + 147
6 agg.so 0x000000011462148b void kiva::gradient::apply<agg24::pixfmt_alpha_blend_rgba<agg24::blender_rgba<agg24::rgba8, agg24::order_bgra>, agg24::row_ptr_cache, unsigned int>, agg24::gradient_y>(agg24::pixfmt_alpha_blend_rgba<agg24::blender_rgba<agg24::rgba8, agg24::order_bgra>, agg24::row_ptr_cache, unsigned int>, agg24::rasterizer_scanline_aaagg24::rasterizer_sl_clip<agg24::ras_conv_int >, agg24::renderer_mclip<agg24::pixfmt_alpha_blend_rgba<agg24::blender_rgba<agg24::rgba8, agg24::order_bgra>, agg24::row_ptr_cache, unsigned int> >, agg24::gradient_y) + 1085
7 agg.so 0x0000000114623231 void kiva::gradient::apply<agg24::pixfmt_alpha_blend_rgba<agg24::blender_rgba<agg24::rgba8, agg24::order_bgra>, agg24::row_ptr_cache, unsigned int> >(agg24::pixfmt_alpha_blend_rgba<agg24::blender_rgba<agg24::rgba8, agg24::order_bgra>, agg24::row_ptr_cache, unsigned int>, agg24::rasterizer_scanline_aaagg24::rasterizer_sl_clip<agg24::ras_conv_int >, agg24::renderer_mclip<agg24::pixfmt_alpha_blend_rgba<agg24::blender_rgba<agg24::rgba8, agg24::order_bgra>, agg24::row_ptr_cache, unsigned int> >) + 137
8 agg.so 0x000000011462b1d0 void kiva::graphics_context<agg24::pixfmt_alpha_blend_rgba<agg24::blender_rgba<agg24::rgba8, agg24::order_bgra>, agg24::row_ptr_cache, unsigned int> >::fill_path_clip_conversion<agg24::conv_curve<kiva::compiled_path, agg24::curve3, agg24::curve4> >(agg24::conv_curve<kiva::compiled_path, agg24::curve3, agg24::curve4>&, agg24::filling_rule_e) + 818
9 agg.so 0x000000011462b36c kiva::graphics_context<agg24::pixfmt_alpha_blend_rgba<agg24::blender_rgba<agg24::rgba8, agg24::order_bgra>, agg24::row_ptr_cache, unsigned int> >::fill_path(agg24::filling_rule_e) + 322
10 agg.so 0x00000001145e4005 kiva::graphics_context<agg24::pixfmt_alpha_blend_rgba<agg24::blender_rgba<agg24::rgba8, agg24::order_bgra>, agg24::row_ptr_cache, unsigned int> >::draw_path(kiva::draw_mode_e) + 71
11 agg.so 0x0000000114588c7e wrap_GraphicsContextArray_draw_path + 398
12 org.python.python 0x00000001000c7132 PyEval_EvalFrameEx + 26306
13 org.python.python 0x00000001000c8fb9 PyEval_EvalCodeEx + 2137
14 org.python.python 0x00000001000c68ad PyEval_EvalFrameEx + 24125
15 org.python.python 0x00000001000c8fb9 PyEval_EvalCodeEx + 2137
16 org.python.python 0x00000001000c68ad PyEval_EvalFrameEx + 24125
17 org.python.python 0x00000001000c8fb9 PyEval_EvalCodeEx + 2137
18 org.python.python 0x00000001000c68ad PyEval_EvalFrameEx + 24125
19 org.python.python 0x00000001000c8fb9 PyEval_EvalCodeEx + 2137
20 org.python.python 0x00000001000c68ad PyEval_EvalFrameEx + 24125
21 org.python.python 0x00000001000c8fb9 PyEval_EvalCodeEx + 2137
22 org.python.python 0x00000001000c68ad PyEval_EvalFrameEx + 24125
23 org.python.python 0x00000001000c8fb9 PyEval_EvalCodeEx + 2137
24 org.python.python 0x00000001000c68ad PyEval_EvalFrameEx + 24125
25 org.python.python 0x00000001000c8fb9 PyEval_EvalCodeEx + 2137
26 org.python.python 0x00000001000c68ad PyEval_EvalFrameEx + 24125
27 org.python.python 0x00000001000c8fb9 PyEval_EvalCodeEx + 2137
28 org.python.python 0x00000001000c68ad PyEval_EvalFrameEx + 24125
29 org.python.python 0x00000001000c76dd PyEval_EvalFrameEx + 27757
30 org.python.python 0x00000001000c8fb9 PyEval_EvalCodeEx + 2137
31 org.python.python 0x00000001000419e0 function_call + 176
32 org.python.python 0x000000010000fe02 PyObject_Call + 98
33 org.python.python 0x000000010002251b instancemethod_call + 363
34 org.python.python 0x000000010000fe02 PyObject_Call + 98
35 QtGui.so 0x0000000109e40fb5 QWidgetWrapper::paintEvent(QPaintEvent) + 213
36 QtGui 0x000000010a95f8ae QWidget::event(QEvent) + 2366
37 QtGui.so 0x0000000109e3d953 QWidgetWrapper::event(QEvent) + 243
38 QtGui 0x000000010a904ecd QApplicationPrivate::notify_helper(QObject, QEvent) + 189
39 QtGui 0x000000010a90b5cb QApplication::notify(QObject, QEvent) + 1035
40 QtGui.so 0x000000010986a886 QApplicationWrapper::notify(QObject, QEvent) + 278
41 QtCore 0x0000000107f33c0b QCoreApplication::notifyInternal(QObject_, QEvent_) + 139
42 QtGui 0x000000010a959d1c QWidgetPrivate::drawWidget(QPaintDevice_, QRegion const&, QPoint const&, int, QPainter_, QWidgetBackingStore_) + 1340
43 QtGui 0x000000010a95a6e4 QWidgetPrivate::paintSiblingsRecursive(QPaintDevice_, QList<QObject_> const&, int, QRegion const&, QPoint const&, int, QPainter_, QWidgetBackingStore_) + 1572
44 QtGui 0x000000010a959e1b QWidgetPrivate::drawWidget(QPaintDevice_, QRegion const&, QPoint const&, int, QPainter_, QWidgetBackingStore_) + 1595
45 QtGui 0x000000010a95a6e4 QWidgetPrivate::paintSiblingsRecursive(QPaintDevice_, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter_, QWidgetBackingStore_) + 1572
46 QtGui 0x000000010a959e1b QWidgetPrivate::drawWidget(QPaintDevice_, QRegion const&, QPoint const&, int, QPainter_, QWidgetBackingStore_) + 1595
47 QtGui 0x000000010a95a6e4 QWidgetPrivate::paintSiblingsRecursive(QPaintDevice_, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter_, QWidgetBackingStore_) + 1572
48 QtGui 0x000000010a959e1b QWidgetPrivate::drawWidget(QPaintDevice_, QRegion const&, QPoint const&, int, QPainter_, QWidgetBackingStore*) + 1595
49 QtGui 0x000000010a8a91ea -[QCocoaView drawRect:] + 1786
50 com.apple.AppKit 0x00007fff92cae064 -[NSView drawRect:clip:] + 4217
51 com.apple.AppKit 0x00007fff92cac6c1 -[NSView recursiveDisplayAllDirtyWithLockFocus:visRect:] + 1656
52 com.apple.AppKit 0x00007fff92cacad9 -[NSView recursiveDisplayAllDirtyWithLockFocus:visRect:] + 2704
53 com.apple.AppKit 0x00007fff92caa6f2 -[NSView recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:topView:] + 817
54 com.apple.AppKit 0x00007fff92caa143 -[NSThemeFrame recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:topView:] + 314
55 com.apple.AppKit 0x00007fff92ca5d6d -[NSView displayRectIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:] + 4675
56 com.apple.AppKit 0x00007fff92c6fc93 -[NSView displayIfNeeded] + 1830
57 com.apple.AppKit 0x00007fff92d2ca18 -[NSWindow reallyDoOrderWindow:relativeTo:findKey:forCounter:force:isModal:] + 1377
58 com.apple.AppKit 0x00007fff92d2c038 -[NSWindow doOrderWindow:relativeTo:findKey:forCounter:force:isModal:] + 940
59 com.apple.AppKit 0x00007fff92d2bc1f -[NSWindow orderWindow:relativeTo:] + 159
60 QtGui 0x000000010a8a2c06 QWidgetPrivate::raise_sys() + 390
61 QtGui 0x000000010a95d548 QWidget::raise() + 392
62 QtGui.so 0x0000000109e2ce67 Sbk_QWidgetFunc_raise + 119
63 org.python.python 0x00000001000c6b27 PyEval_EvalFrameEx + 24759
64 org.python.python 0x00000001000c8fb9 PyEval_EvalCodeEx + 2137
65 org.python.python 0x00000001000419e0 function_call + 176
66 org.python.python 0x000000010000fe02 PyObject_Call + 98
67 org.python.python 0x000000010002251b instancemethod_call + 363
68 org.python.python 0x000000010000fe02 PyObject_Call + 98
69 QtGui.so 0x0000000109911565 QDialogWrapper::showEvent(QShowEvent) + 213
70 QtGui 0x000000010a95fc7b QWidget::event(QEvent) + 3339
71 QtGui.so 0x0000000109915df3 QDialogWrapper::event(QEvent) + 243
72 QtGui 0x000000010a904ecd QApplicationPrivate::notify_helper(QObject, QEvent) + 189
73 QtGui 0x000000010a90b5cb QApplication::notify(QObject, QEvent) + 1035
74 QtGui.so 0x000000010986a886 QApplicationWrapper::notify(QObject_, QEvent_) + 278
75 QtCore 0x0000000107f33c0b QCoreApplication::notifyInternal(QObject_, QEvent*) + 139
76 QtGui 0x000000010a95dec2 QWidgetPrivate::show_helper() + 370
77 QtGui 0x000000010a95e20d QWidget::setVisible(bool) + 509
78 QtGui 0x000000010adae606 QDialog::setVisible(bool) + 102
79 QtGui.so 0x0000000109916214 QDialogWrapper::setVisible(bool) + 148
80 QtGui.so 0x0000000109e293ce Sbk_QWidgetFunc_show + 126
81 org.python.python 0x00000001000c6b27 PyEval_EvalFrameEx + 24759
82 org.python.python 0x00000001000c76dd PyEval_EvalFrameEx + 27757
83 org.python.python 0x00000001000c76dd PyEval_EvalFrameEx + 27757
84 org.python.python 0x00000001000c76dd PyEval_EvalFrameEx + 27757
85 org.python.python 0x00000001000c76dd PyEval_EvalFrameEx + 27757
86 org.python.python 0x00000001000c8fb9 PyEval_EvalCodeEx + 2137
87 org.python.python 0x00000001000c68ad PyEval_EvalFrameEx + 24125
88 org.python.python 0x00000001000c8fb9 PyEval_EvalCodeEx + 2137
89 org.python.python 0x00000001000c68ad PyEval_EvalFrameEx + 24125
90 org.python.python 0x00000001000c8fb9 PyEval_EvalCodeEx + 2137
91 org.python.python 0x00000001000419e0 function_call + 176
92 org.python.python 0x000000010000fe02 PyObject_Call + 98
93 org.python.python 0x000000010002251b instancemethod_call + 363
94 org.python.python 0x000000010000fe02 PyObject_Call + 98
95 org.python.python 0x000000010007d698 slot_tp_init + 88
96 org.python.python 0x00000001000794c5 type_call + 245
97 org.python.python 0x000000010000fe02 PyObject_Call + 98
98 org.python.python 0x00000001000c4138 PyEval_EvalFrameEx + 14024
99 org.python.python 0x00000001000c76dd PyEval_EvalFrameEx + 27757
100 org.python.python 0x00000001000c8fb9 PyEval_EvalCodeEx + 2137
101 org.python.python 0x00000001000c68ad PyEval_EvalFrameEx + 24125
102 org.python.python 0x00000001000c8fb9 PyEval_EvalCodeEx + 2137
103 org.python.python 0x00000001000c68ad PyEval_EvalFrameEx + 24125
104 org.python.python 0x00000001000c8fb9 PyEval_EvalCodeEx + 2137
105 org.python.python 0x00000001000c90d6 PyEval_EvalCode + 54
106 org.python.python 0x00000001000edc2e PyRun_FileExFlags + 174
107 org.python.python 0x00000001000edeca PyRun_SimpleFileExFlags + 458
108 org.python.python 0x000000010010563a Py_Main + 3770
109 org.python.python 0x00000001000026c4 0x100000000 + 9924
110 org.python.python 0x0000000100001c74 0x100000000 + 7284
Thread 0 crashed with X86 Thread State (64-bit):
rax: 0x0000000000000000 rbx: 0x0000000000000006 rcx: 0x00007fff5fbf3428 rdx: 0x0000000000000000
rdi: 0x0000000000000f0f rsi: 0x0000000000000006 rbp: 0x00007fff5fbf3450 rsp: 0x00007fff5fbf3428
r8: 0x00007fff7af4f278 r9: 0x0000000000000000 r10: 0x0000000020000000 r11: 0x0000000000000206
r12: 0x000000010931fe00 r13: 0x0000000100273000 r14: 0x00007fff7af50180 r15: 0x0000000000000004
rip: 0x00007fff8f0cd212 rfl: 0x0000000000000206 cr2: 0x00007fff7af48ff0
Logical CPU: 0
Binary Images:
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0x7fff948a0000 - 0x7fff94a8aff7 com.apple.CoreFoundation (6.8 - 744.19) <0F7403CA-2CB8-3D0A-992B-679701DF27CA> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
0x7fff94cd4000 - 0x7fff94ce2ff7 libsystem_network.dylib (77.10) <2AAA67A1-525E-38F0-8028-1D2B64716611> /usr/lib/system/libsystem_network.dylib
0x7fff94ce3000 - 0x7fff94d20fef libGLImage.dylib (8.10.1) <91E31B9B-4141-36D5-ABDC-20F1D6D1D0CF> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLImage.dylib
0x7fff94d73000 - 0x7fff94d9aff7 com.apple.PerformanceAnalysis (1.16 - 16) <1BDA3662-18B7-3F38-94E5-9ACD477A7682> /System/Library/PrivateFrameworks/PerformanceAnalysis.framework/Versions/A/PerformanceAnalysis
0x7fff94d9b000 - 0x7fff94daffff com.apple.speech.synthesis.framework (4.1.12 - 4.1.12) <94EDF2AB-809C-3D15-BED5-7AD45B2A7C16> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/SpeechSynthesis.framework/Versions/A/SpeechSynthesis
0x7fff94db0000 - 0x7fff94fb0fff libicucore.A.dylib (491.11.3) <5783D305-04E8-3D17-94F7-1CEAFA975240> /usr/lib/libicucore.A.dylib
0x7fff955a5000 - 0x7fff955a9fff libCGXType.A.dylib (333.1) <16625094-813E-39F8-9AFE-C1A24ED11749> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/Resources/libCGXType.A.dylib
0x7fff95887000 - 0x7fff95984ff7 libxml2.2.dylib (22.3) <7FD09F53-83DA-3ECD-8DD9-870E1A2F0427> /usr/lib/libxml2.2.dylib
0x7fff95985000 - 0x7fff959c8ff7 com.apple.RemoteViewServices (2.0 - 80.6) <5CFA361D-4853-3ACC-9EFC-A2AC1F43BA4B> /System/Library/PrivateFrameworks/RemoteViewServices.framework/Versions/A/RemoteViewServices
0x7fff959c9000 - 0x7fff95acbfff libcrypto.0.9.8.dylib (47.2) /usr/lib/libcrypto.0.9.8.dylib
0x7fff95acc000 - 0x7fff95acdfff libDiagnosticMessagesClient.dylib (8) <8548E0DC-0D2F-30B6-B045-FE8A038E76D8> /usr/lib/libDiagnosticMessagesClient.dylib
0x7fff95ace000 - 0x7fff95ba8fff com.apple.backup.framework (1.4.3 - 1.4.3) <6B65C44C-7777-3331-AD9D-438D10AAC777> /System/Library/PrivateFrameworks/Backup.framework/Versions/A/Backup
0x7fff95ba9000 - 0x7fff95bd7fff com.apple.CoreServicesInternal (154.3 - 154.3) /System/Library/PrivateFrameworks/CoreServicesInternal.framework/Versions/A/CoreServicesInternal
0x7fff95c25000 - 0x7fff95c2cfff com.apple.NetFS (5.0 - 4.0) <195D8EC9-72BB-3E04-A64D-E1A89B4850C1> /System/Library/Frameworks/NetFS.framework/Versions/A/NetFS
0x7fff95c2d000 - 0x7fff95d46fff com.apple.ImageIO.framework (3.2.2 - 851) <6552C673-9F29-3B31-A12E-C4391A950965> /System/Library/Frameworks/ImageIO.framework/Versions/A/ImageIO
0x7fff95d47000 - 0x7fff95e13ff7 libsystem_c.dylib (825.40.1) <543B05AE-CFA5-3EFE-8E58-77225411BA6B> /usr/lib/system/libsystem_c.dylib
0x7fff95ecd000 - 0x7fff95eecff7 libresolv.9.dylib (51) <0882DC2D-A892-31FF-AD8C-0BB518C48B23> /usr/lib/libresolv.9.dylib
0x7fff9611e000 - 0x7fff96129fff com.apple.CommonAuth (3.0 - 2.0) <1CA95702-DDC7-3ADB-891E-7F037ABDDA14> /System/Library/PrivateFrameworks/CommonAuth.framework/Versions/A/CommonAuth
0x7fff9617b000 - 0x7fff9617ffff libGIF.dylib (851) /System/Library/Frameworks/ImageIO.framework/Versions/A/Resources/libGIF.dylib
0x7fff96180000 - 0x7fff961caff7 libGLU.dylib (8.10.1) <6699DEA6-9EEB-3B84-A57F-B25AE44EC584> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLU.dylib
External Modification Summary:
Calls made by other processes targeting this process:
task_for_pid: 2
thread_create: 0
thread_set_state: 0
Calls made by this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by all processes on this machine:
task_for_pid: 6648
thread_create: 0
thread_set_state: 0
VM Region Summary:
ReadOnly portion of Libraries: Total=285.4M resident=132.2M(46%) swapped_out_or_unallocated=153.2M(54%)
Writable regions: Total=141.7M written=42.4M(30%) resident=65.9M(46%) swapped_out=0K(0%) unallocated=75.8M(54%)
REGION TYPE VIRTUAL
=========== =======
CG backing stores 5852K
CG image 12K
CG raster data 48K
CG shared images 1216K
CoreServices 2480K
MALLOC 122.5M
MALLOC guard page 48K
Memory tag=242 12K
STACK GUARD 56.0M
Stack 10.0M
VM_ALLOCATE 88K
__DATA 18.0M
__IMAGE 528K
__LINKEDIT 76.7M
__TEXT 208.7M
__UNICODE 544K
mapped file 88.2M
shared memory 308K
=========== =======
TOTAL 591.0M
Model: MacBookPro10,1, BootROM MBP101.00EE.B02, 4 processors, Intel Core i7, 2.6 GHz, 16 GB, SMC 2.3f36
Graphics: Intel HD Graphics 4000, Intel HD Graphics 4000, Built-In, 512 MB
Graphics: NVIDIA GeForce GT 650M, NVIDIA GeForce GT 650M, PCIe, 1024 MB
Memory Module: BANK 0/DIMM0, 8 GB, DDR3, 1600 MHz, 0x80AD, 0x484D5434314753364D465238432D50422020
Memory Module: BANK 1/DIMM0, 8 GB, DDR3, 1600 MHz, 0x80AD, 0x484D5434314753364D465238432D50422020
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xEF), Broadcom BCM43xx 1.0 (5.106.98.100.17)
Bluetooth: Version 4.1.7f2 12718, 3 service, 21 devices, 3 incoming serial ports
Network Service: Wi-Fi, AirPort, en0
Serial ATA Device: APPLE SSD SD512E, 500.28 GB
USB Device: hub_device, 0x8087 (Intel Corporation), 0x0024, 0x1d100000 / 2
USB Device: hub_device, 0x0424 (SMSC), 0x2512, 0x1d180000 / 3
USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x0262, 0x1d182000 / 5
USB Device: BRCM20702 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0x1d181000 / 4
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x8286, 0x1d181300 / 6
USB Device: hub_device, 0x8087 (Intel Corporation), 0x0024, 0x1a100000 / 2
USB Device: FaceTime HD Camera (Built-in), apple_vendor_id, 0x8510, 0x1a110000 / 3
Even thought it is an overlay, LineInspector doesn't inherit from AbstractOverlay.
TraitsTool rightly assumes that it does, so double-clicking a plot with a LineInspector overlay causes a traceback because of missing is_in() and invisible_layout attributes.
The workaround is to do this yourself:
class LineInspectorTool(LineInspector, AbstractOverlay):
pass
I was installing Chaco using pip install chaco
on my Solaris 10 machine and ran into a problem when it was compiling kiva. I got the following errors:
In file included from kiva/agg/src/x11/agg_bmp.cpp:4:0:
/usr/include/X11/Xutil.h:117:2: error: 'Bool' does not name a type
/usr/include/X11/Xutil.h:120:2: error: 'Pixmap' does not name a type
/usr/include/X11/Xutil.h:121:2: error: 'Window' does not name a type
/usr/include/X11/Xutil.h:123:2: error: 'Pixmap' does not name a type
/usr/include/X11/Xutil.h:124:2: error: 'XID' does not name a type
/usr/include/X11/Xutil.h:161:5: error: 'Atom' does not name a type
/usr/include/X11/Xutil.h:227:5: error: 'XPointer' does not name a type
/usr/include/X11/Xutil.h:283:3: error: 'Visual' does not name a type
/usr/include/X11/Xutil.h:284:3: error: 'VisualID' does not name a type
/usr/include/X11/Xutil.h:316:2: error: 'Colormap' does not name a type
/usr/include/X11/Xutil.h:324:2: error: 'VisualID' does not name a type
/usr/include/X11/Xutil.h:325:2: error: 'XID' does not name a type
/usr/include/X11/Xutil.h:357:1: error: '_XFUNCPROTOBEGIN' does not name a type
/usr/include/X11/Xutil.h:446:8: error: 'Status' does not name a type
/usr/include/X11/Xutil.h:454:8: error: 'Status' does not name a type
/usr/include/X11/Xutil.h:463:8: error: 'Status' does not name a type
/usr/include/X11/Xutil.h:471:8: error: 'Status' does not name a type
/usr/include/X11/Xutil.h:481:8: error: 'Status' does not name a type
/usr/include/X11/Xutil.h:490:8: error: 'Status' does not name a type
/usr/include/X11/Xutil.h:499:8: error: 'Status' does not name a type
/usr/include/X11/Xutil.h:517:8: error: 'Status' does not name a type
/usr/include/X11/Xutil.h:532:8: error: 'Status' does not name a type
/usr/include/X11/Xutil.h:540:8: error: 'Status' does not name a type
/usr/include/X11/Xutil.h:548:8: error: 'Status' does not name a type
/usr/include/X11/Xutil.h:557:8: error: 'Status' does not name a type
/usr/include/X11/Xutil.h:567:8: error: 'Status' does not name a type
/usr/include/X11/Xutil.h:601:8: error: 'Status' does not name a type
/usr/include/X11/Xutil.h:619:8: error: 'Bool' does not name a type
/usr/include/X11/Xutil.h:830:8: error: 'Status' does not name a type
/usr/include/X11/Xutil.h:872:8: error: 'Status' does not name a type
/usr/include/X11/Xutil.h:938:1: error: '_XFUNCPROTOEND' does not name a type
I tracked this down to an important note in Xutil.h:
/* You must include <X11/Xlib.h> before including this file */
I was able to work around the issue by adding #include <X11/Xlib.h>
before the #include <X11/Xutil.h>
in <virtualenv>/build/enable/kiva/agg/src/x11/agg_bmp.cpp
and running pip install chaco
again.
In chaco/lineplot.py, a number of places use transpose(array( (x,y) )) where they could use the equivalent, and much faster, column_stack( (x,y) ). See PR #75 for an example of one spot.
Several developers reported Chaco becoming very slow when used over an SSH-X connection. Testing is needed to reproduce the issue and see with different backends can improve the responsiveness.
If an image array in an ArrayPlotData object is updated, and the the data-space bounds of the array have changed, then there is no publicly accessible way to access the xbounds and ybounds to change the way it is displayed in an img_plot, for instance.
self.plot.plots[0].index
is a GridDataSource object with _cached_bounds
that are untouchable.
There seems to be a memory leak in Chaco when plots are repeatedly updated (example below).
I'm only getting the leak with the qt backend, and only with pyside (not pyqt).
I'm on windows 7 (64-bit) running EPD 7.2-2 (32-bit).
PySide: 1.1.0-2
Chaco: 4.1.0-1
Pyface: 4.1.0-1
We're doing real-time plotting w/ Chaco, and after a few hundred updates the app can easily exceed 2Gb memory usage and crash. I've tried unsuccessfully to figure out where in Chaco this is happening...
Please advise if I can be of assistance in tracking this down. Am I plotting in a non-standard way--is that why other people aren't running into this?
Cheers,
Rob
import os
os.environ['QT_API'] = 'pyside' #'pyqt' # Only happens with Pyside
from traits.etsconfig.etsconfig import ETSConfig
ETSConfig.toolkit = 'qt4' # Doesn't seem to happen w/ WX backend.
import numpy as np
from traits.api import HasTraits, Instance
from traitsui.api import View, VGroup, Item
from pyface.timer.api import do_after
from enable.api import Component, ComponentEditor
from chaco.api import Plot, ArrayPlotData
PERIOD_MS = 100
DATA_LENGTH = 1000
class PlotViewer(HasTraits):
"""
Example class showing a Pyside memory leak that happens whenever
a chaco plot updates...
"""
pd = Instance(ArrayPlotData)
plot = Instance(Plot)
def __init__(self):
self.plot = Plot(self.pd)
self.plot.plot(("x", "y"), type="scatter")
do_after(PERIOD_MS, self._update_pd) # Start plotting loop.
def _pd_default(self):
# A random line
pd = ArrayPlotData(x = np.arange(DATA_LENGTH),
y = np.random.rand(DATA_LENGTH))
return pd
def _update_pd(self):
''' Change the 'y' data, triggering a plot update, every PERIOD_MS ms. '''
self.pd.set_data('y', np.random.rand(DATA_LENGTH))
do_after(PERIOD_MS, self._update_pd) # Continue plotting loop...
# View #####################################################################
traits_view=View(
VGroup(
Item('plot',editor=ComponentEditor()),
show_labels=False
),
width=500, height=500
)
if __name__ == "__main__":
pv = PlotViewer()
pv.configure_traits()
Because dragging() doesn't save current mouse location, the axis range will change very quickly when mouse dragging.
the following two lines should be appended to dragging()
self._prev_x = event.x
self._prev_y = event.y
docs/source/architecture_overview.rst is missing something at the end of the file.
It ends like:
"So, the pipeline looks like:"
It is not currently possible to create a scatter plot with symbols that have both different sizes and different colors. There are two subclasses of ScatterPlot
(ColormappedScatterPlot
and VariableSizeScatterPlot
) to implement different colors and different sizes for symbols. They cannot be easily combined, as they both implement their own _render()
method.
My preference would be to incorporate both features into the parent class, which could then have either or both behavior(s).
.F..........................FF.......................................F.........................F............................................................
=================================================================================
FAIL: test_estimate_default_scale (chaco.scales.scales_test_case.BasicFormatterTestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/var/tmp/portage/dev-python/chaco-4.3.0-r1/work/chaco-4.3.0-python2_7/lib/chaco/scales/scales_test_case.py", line 170, in test_estimate_default_scale
self.assert_( err < 0.4 )
AssertionError: False is not true
======================================================================
FAIL: test_time_scale.test_tfrac_hours_04
----------------------------------------------------------------------
Traceback (most recent call last):
File "/usr/lib64/python2.7/site-packages/nose/case.py", line 197, in runTest
self.test(*self.arg)
File "/var/tmp/portage/dev-python/chaco-4.3.0-r1/work/chaco-4.3.0-python2_7/lib/chaco/scales/tests/test_time_scale.py", line 51, in test_tfrac_hours_04
assert base == 3600 * 3.0
AssertionError
======================================================================
FAIL: test_time_scale.test_tfrac_hours_05
----------------------------------------------------------------------
Traceback (most recent call last):
File "/usr/lib64/python2.7/site-packages/nose/case.py", line 197, in runTest
self.test(*self.arg)
File "/var/tmp/portage/dev-python/chaco-4.3.0-r1/work/chaco-4.3.0-python2_7/lib/chaco/scales/tests/test_time_scale.py", line 57, in test_tfrac_hours_05
assert base == 3600 * 12.0
AssertionError
======================================================================
FAIL: test_microsecond (chaco.scales.time_scale_test_case.TimeScaleTestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/var/tmp/portage/dev-python/chaco-4.3.0-r1/work/chaco-4.3.0-python2_7/lib/chaco/scales/time_scale_test_case.py", line 156, in test_microsecond
self.check_ticks(ticks, desired)
File "/var/tmp/portage/dev-python/chaco-4.3.0-r1/work/chaco-4.3.0-python2_7/lib/chaco/scales/scales_test_case.py", line 16, in check_ticks
self.assertEqual(len(ticks1),len(ticks2))
AssertionError: 10 != 7
-------------------- >> begin captured stdout << ---------------------
ticks: [164083510.00000298, 164083510.000004, 164083510.00000498, 164083510.000006, 164083510.00000697, 164083510.000008, 164083510.00000897, 164083510.00000998, 164083510.00001097, 164083510.00001198]
desired: [164083510.000003, 164083510.000004, 164083510.000005, 164083510.000006, 164083510.000007, 164083510.000008, 164083510.000009]
--------------------- >> end captured stdout << ----------------------
======================================================================
FAIL: Borders should have the correct height and width.
----------------------------------------------------------------------
Traceback (most recent call last):
File "/var/tmp/portage/dev-python/chaco-4.3.0-r1/work/chaco-4.3.0-python2_7/lib/chaco/tests/border_test_case.py", line 38, in test_draw_border_simple
self.assertRavelEqual(actual, desired)
File "/var/tmp/portage/dev-python/chaco-4.3.0-r1/work/chaco-4.3.0-python2_7/lib/chaco/tests/border_test_case.py", line 19, in assertRavelEqual
self.assert_(alltrue(ravel(x) == ravel(y)), "\n%s\n !=\n%s" % (x, y))
AssertionError:
[[255 255 255 255 255 255]
[255 0 0 0 0 255]
[255 0 255 255 0 255]
[255 0 255 255 0 255]
[255 0 0 0 0 255]
[255 255 255 255 255 255]]
!=
[[255 255 255 255 255 255]
[255 255 255 255 255 255]
[255 0 0 0 255 255]
[255 0 255 0 255 255]
[255 0 0 0 255 255]
[255 255 255 255 255 255]]
----------------------------------------------------------------------
Ran 190 tests in 3.092s
FAILED (failures=5)
dev-python/chaco $ python -V
Python 2.7.3
enable version == 4.2.0
numpy version == 1.6.2
Please fix.
Will post a MFE when I can. This happens while playing through the data. The x- and y- axes of a line plot are updating in response to changes in the ArrayPlotData instance.
Traceback (most recent call last):
File "/Users/tdiller/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/enable/qt4/base_window.py", line 184, in paintEvent
self.handler.paintEvent(event)
File "/Users/tdiller/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/enable/qt4/base_window.py", line 50, in paintEvent
self._enable_window._paint(event)
File "/Users/tdiller/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/enable/abstract_window.py", line 420, in _paint
self.component.draw(gc, view_bounds=(0, 0, size[0], size[1]))
File "/Users/tdiller/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/enable/component.py", line 421, in draw
self._draw(gc, view_bounds, mode)
File "/Users/tdiller/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/enable/component.py", line 773, in _draw
self._dispatch_draw(layer, gc, view_bounds, mode)
File "/Users/tdiller/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/enable/container.py", line 312, in _dispatch_draw
my_handler(gc, view_bounds, mode)
File "/Users/tdiller/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/enable/container.py", line 352, in _draw_container_underlay
self._draw_underlay(gc, view_bounds, mode)
File "/Users/tdiller/Library/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/enable/component.py", line 881, in _draw_underlay
underlay.overlay(self, gc, view_bounds, mode)
File "/Users/tdiller/enthought/chaco/chaco/grid.py", line 306, in overlay
self._draw_component(gc, view_bounds, mode)
File "/Users/tdiller/enthought/chaco/chaco/grid.py", line 344, in _draw_component
ends[:,0] = self._tick_extents[:,1]
IndexError: too many indices
When clicking on the link for the source code, a Trac page appears stating that polygon_plot.py is missing in the current revision 26451.
Link https://svn.enthought.com/enthought/browser/Chaco/trunk/examples/basic/polygon_plot.py
from here:
http://code.enthought.com/projects/chaco/gallery.php
Hi,
I have got chaco 4.2 from the pypi repository, and its kind of not working with PyQt4.9.1. Wondering if Chaco is not intended to work with PyQt > 4.7.3 or ... ?
Here is my stack trace from ipython if it helps.
Thanks
Somu
import numpy as np
from chaco.shell import *
x = np.linspace(-2_np.pi, 2_np.pi, 100)
y = np.sin(x)
plot(x, y, "r-")
title("First plot")
ytitle("sin(x)")
show()
TypeError Traceback (most recent call last)
C:\Users\a0393049 in ()
5 y = np.sin(x)
6
----> 7 plot(x, y, "r-")
8 title("First plot")
9 ytitle("sin(x)")
C:\AppsDir\Python\2.7.3\lib\site-packages\chaco-4.2.0-py2.7-win32.egg\chaco\shell\commands.pyc in plot(_data, *_kwargs)
304 """
305
--> 306 cont = _do_plot_boilerplate(kwargs)
307
308 plots = plot_maker.do_plot(session.data, cont,
C:\AppsDir\Python\2.7.3\lib\site-packages\chaco-4.2.0-py2.7-win32.egg\chaco\shell\commands.pyc in _do_plot_boilerplate(kwargs, image)
272 activate(win)
273 else:
--> 274 figure()
275
276 cont = session.active_window.get_container()
C:\AppsDir\Python\2.7.3\lib\site-packages\chaco-4.2.0-py2.7-win32.egg\chaco\shell\commands.pyc in figure(name, title)
153 method uses the value of default_window_name in the Preferences.
154 """
--> 155 win = session.new_window(name, title)
156 activate(win)
157 return win
C:\AppsDir\Python\2.7.3\lib\site-packages\chaco-4.2.0-py2.7-win32.egg\chaco\shell\session.pyc in new_window(self, name, title, is_image)
59 size=(self.prefs.window_width, self.prefs.window_height),
60 bgcolor=self.prefs.bgcolor,
---> 61 image_default_origin=self.prefs.image_default_origin,
62 )
63 new_win.data = self.data
C:\AppsDir\Python\2.7.3\lib\site-packages\chaco-4.2.0-py2.7-win32.egg\chaco\shell\plot_window.pyc in init(self, is_image, bgcolor, image_default_origin, _args, *_kw)
138 image_default_origin="top left", _args, *_kw):
139
--> 140 super(PlotWindow, self).init(None, _args, *_kw )
141
142 # Some defaults which should be overridden by preferences.
TypeError: unable to convert a Python 'tuple' object to a C++ 'QSize' instance
Probably not a chaco/enable issue, but filing here for reference.
Segfaults after closing the plot window.
From the examples/data_labels.py docstring:
Pressing "z" brings up the Zoom Box, and you can click-drag a rectangular region to
zoom. If you use a sequence of zoom boxes, pressing alt-left-arrow and
alt-right-arrow moves you forwards and backwards through the "zoom history".
but the alt-right-arrow and alt-left-arrow keys don't seem to have any effect.
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Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
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