Hello, TL;DR - does pygalmesh support on windows (10) machines with python 3.6.6?

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Windows 10 support - library link failure about pygalmesh HOT 6 CLOSED

meshpro commented on June 13, 2024

Windows 10 support - library link failure

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Comments (6)

nschloe commented on June 13, 2024

Well, you definitely need gmp and mpfr to compile. I have no idea if they have support for windows. Perhaps the CGAL mailing list is a better place to ask.

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talavinari commented on June 13, 2024

OK will try there, thanks :)

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acfaruk commented on June 13, 2024

If you install CGAL with the windows installer the libraries gmp and mpfr are installed as well. You would find them in the folder INSTALL_PATH\auxiliary\gmp.

I was able to make it work on windows, but I got an assertion error in one of the tests:

__________________________________________________________________________________ test_volume_from_surface ___________________________________________________________________________________ 

    def test_volume_from_surface():
        this_dir = os.path.dirname(os.path.abspath(__file__))
        mesh = pygalmesh.generate_volume_mesh_from_surface_mesh(
            os.path.join(this_dir, "meshes", "elephant.vtu"),
            facet_angle=25.0,
            facet_size=0.15,
            facet_distance=0.008,
            cell_radius_edge_ratio=3.0,
            verbose=False,
        )
    
        tol = 1.0e-3
        assert abs(max(mesh.points[:, 0]) - 0.357612477657) < tol
        assert abs(min(mesh.points[:, 0]) + 0.358747130015) < tol
>       assert abs(max(mesh.points[:, 1]) - 0.496137874959) < tol
E       assert 0.014181661246307764 < 0.001
E        +  where 0.014181661246307764 = abs((0.4819562 - 0.496137874959))
E        +    where 0.4819562 = max(array([-0.19258097, -0.09461719, -0.3258206 ,  0.06994132, -0.1434645 ,\n       -0.11351405,  0.05553488,  0.0659714 , ...5258,  0.37136012, -0.1880949 , -0.45568204,\n       -0.10133088,  0.07262085, -0.20886302, -0.19134675], dtype=float32))

test\test_volume_from_surface.py:21: AssertionError

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talavinari commented on June 13, 2024

Thanks @acfaruk , all other functionality works as expected on you win machine ?

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acfaruk commented on June 13, 2024

I later switched to another library, but the few examples I ran, were running as expected.

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nschloe commented on June 13, 2024

I suppose this is dealt with now. Feel free to reopen if not.

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