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View Code? Open in Web Editor NEWScattered Points Interpolation with Globally Smooth B-Spline Surface using Iterative Knot Insertion
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yang-zhifei adam-urbanczyk luisvl99 niedabylskim peterzs jackzhousz craboftw smartcar-planningscattered_points_interpolation's Issues
About the input file obj
你好，Dr Wang
我是一个样条爱好者，我主要是做row point重构
我最近看到了你的论文是关于mesh_to_B_spline，所以我编译了项目尝试了一下。我发现了一个问题，所以来请教一下
我用一个已有的曲面导出为obj文件，然后用example.cpp文件进行重构，发现得到的曲面并不光滑
输入的文件car.obj
输出的文件intp_p842_m_car.obj
E:\Scattered_Points_Interpolation\build>example_bin.exe
reading mesh model: E:/Scattered_Points_Interpolation/app/meshes/car.obj
Warning: readOBJ() ignored non-comment line 1690:
o object0
** UV grid sizes, 788, 792
finished initialize Uknot
0, 0, 0, 0, 0.0580191, 0.0870288, 0.116038, 0.145048, 0.164533, 0.188562, 0.199357, 0.207129, 0.216444, 0.230268, 0.283226, 0.330587, 0.384267, 0.43877, 0.488081, 0.532057, 0.576862, 0.627638, 0.681231, 0.731785, 0.770248, 0.79578, 0.810685, 0.821734, 0.832807, 0.849955, 0.87139, 0.897112, 0.922834, 0.948556, 1, 1, 1, 1,
finished initialize Vknot
0, 0, 0, 0, 0.0505352, 0.0758029, 0.10107, 0.126338, 0.147554, 0.176873, 0.202141, 0.218484, 0.248465, 0.26531, 0.276187, 0.285642, 0.301682, 0.326763, 0.347456, 0.364546, 0.389735, 0.414208, 0.438, 0.466854, 0.49602, 0.516733, 0.557138, 0.612942, 0.651257, 0.672755, 0.681923, 0.689572, 0.700197, 0.719232, 0.743026, 0.771578, 0.800131, 0.828684, 0.857237, 0.885789, 0.914342, 0.942895, 1, 1, 1, 1,
0, 0, 0, 0, 0.0580191, 0.0870288, 0.116038, 0.145048, 0.164533, 0.188562, 0.199357, 0.207129, 0.216444, 0.230268, 0.257349, 0.283226, 0.330587, 0.360916, 0.384267, 0.391649, 0.408386, 0.421353, 0.432118, 0.43877, 0.458372, 0.47216, 0.488081, 0.508555, 0.532057, 0.563966, 0.576862, 0.594507, 0.612566, 0.627638, 0.639684, 0.656435, 0.674774, 0.681231, 0.692258, 0.701482, 0.710603, 0.712936, 0.71774, 0.724762, 0.731785, 0.737132, 0.748025, 0.759306, 0.766992, 0.770248, 0.773116, 0.776102, 0.778857, 0.784516, 0.788844, 0.79578, 0.810685, 0.821734, 0.832807, 0.849955, 0.87139, 0.897112, 0.922834, 0.934733, 0.948556, 0.955267, 0.963912, 0.97235, 0.98353, 0.988402, 1, 1, 1, 1,
0, 0, 0, 0, 0.0505352, 0.0758029, 0.10107, 0.126338, 0.147554, 0.176873, 0.202141, 0.218484, 0.248465, 0.26531, 0.276187, 0.285642, 0.301682, 0.31563, 0.326763, 0.347456, 0.364546, 0.389735, 0.414208, 0.438, 0.466854, 0.478383, 0.49602, 0.507034, 0.516733, 0.538744, 0.548001, 0.557138, 0.567228, 0.582274, 0.591513, 0.601291, 0.612942, 0.624124, 0.633001, 0.646634, 0.648576, 0.651257, 0.65803, 0.666926, 0.672755, 0.680215, 0.681923, 0.683105, 0.689572, 0.700197, 0.719232, 0.727967, 0.743026, 0.756269, 0.771578, 0.785756, 0.800131, 0.828684, 0.857237, 0.885789, 0.903897, 0.914342, 0.929291, 0.942895, 0.95323, 0.957862, 0.969611, 0.975945, 0.980797, 0.986882, 1, 1, 1, 1,
knot fixing finished, sizes 74 74
knot vectors generated
inside left part
finish rd
energy matrix finish calculation
finish lu
finish ld
finish ru
sizes
lu, 4900 4900
ru, 4900 842
ld, 842 4900
rd, 842 842
before solving
after solving, error is 2.42709e-09
before solving
after solving, error is 4.00785e-09
before solving
after solving, error is 3.70945e-09
surface solved
maximal interpolation error 4.79692e-08
done !
E:\Scattered_Points_Interpolation\build>
输入的文件如下，需要改一下后缀为obj
这个obj是软件导出来的，格式和您的项目的那个不太一样
vn 0.7752121368883934 0.18476841935808158 0.6040751393898336
vn -0.02850196090451563 -0.9979510034656555 0.05728379270342009
vn -0.015919067063566928 -0.9988517856633516 0.045185103529366416
vn -0.010107589329351635 -0.9999390164755665 0.0044497154769745206
vn 0.0003223987577743805 -0.999994830181783 0.003199323170270497
vn -0.012154839264485028 -0.9999088228808478 0.005882670098860495
vn 0.0011868995134513272 0.9999960687050093 0.0025404417079441877
vn 0.014909067898857148 0.9998780968239268 0.004638015324380891
vn -0.0032995638157852633 0.9999827384631288 0.004861651407424617
vn 0.009288366064202929 0.9999482888325603 0.004140762815236116
vn 0.7804404345307484 0.08491771213787927 0.6194366071800443
vn -0.0014308889823957636 7.588276693287761e-6 0.999998976249045
o object0
g MATHEMATICA_OBJ_MTL1
usemtl MATHEMATICA_OBJ_MTL1
但是，另一个耳朵模型从视觉上看到没有出现问题
输入文件如下
ear.zip
Multiple definition when Linking CXX executable Sparse_Interp_bin
Hello,
I have an error in the compilation process, i hope i have followed the read me as it should be.
The error is a multiple definition (as show in the attachement), but i didn't know where it came and how to fix it.
I am using WSL with Ubuntu and Cmake version 3.22.1.
i am looking forward to reading from you.
Kind regards,
Théo
PIA生成蜂窝曲面
Dr Wang
你好，请教一下，使用PIA我发现很容易产生蜂窝状的曲面，我测试了很多模型都是类似这样
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