Re[vtkusers] garding surface reconstruction from point cloud in VTK

Anka Kochanowska anka at bic.mni.mcgill.ca
Tue Oct 30 11:52:24 EDT 2007


Do not be afraid of TCL. Reading the code is very easy, just look at it. 
Maybe compare code of an example that is both in C++ and TCL, you will 
very soon get used to it.
Grab any TCL download from the WEB, follow the installation 
instructions.You should build vtk wrapping TCL, so  just do 
(...)/bin/vtk file.tcl.
Anka

saipritham wrote:

>Dear All,
>      Iam very new to VTK and I have a similar problem. Could some one
>please direct a working example in C++.
>
>The example mentioned is in TCL.I am presently working on VS and i am
>looking for a working example in C++
>
>Also, could some one help me in converting TCL code to C++ analogy. How do i
>run TCL?
>
>
>Thanks a lot
>Sai 
>
>
>
>
>
>
>
>Ismail Elkhrachy wrote:
>  
>
>>murali kuna wrote:
>>    
>>
>>>Dear Ismail,
>>> 
>>>                Can you please help me in the surface reconstruction 
>>>problem.I am having a point cloud (x,y,z) locations in 3D. I have to 
>>>create a surface from that point cloud. Can you please help me how to 
>>>do this in VTK. I am attaching the text document that contains the 3D 
>>>locations of the points with columns specify the x,y,z coordinates.
>>> 
>>>                Thanks in advance.
>>> 
>>> 
>>>with regards
>>>murali.kuna
>>> 
>>> 
>>>
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>>>------------------------------------------------------------------------
>>>
>>>-15.3132	-48.5375	-19.1005
>>>-24.6927	-58.7607	-51.0201
>>>-53.5381	-40.99		-47.7895
>>>-60.4989	-37.0847	-48.692
>>>-62.5269	-36.1658	-48.4515
>>>-53.7276	-35.8801	-44.3306
>>>-49.0656	-27.8981	-44.6875
>>>-46.4507	-21.0743	-44.8395
>>>-23.2007	-37.5067	-44.9793
>>>-23.254		-58.2916	-54.2331
>>>-24.3897	-55.4968	-54.6207
>>>-19.983		-63.2913	-54.438
>>>-22.664		-55.581		-55.7141
>>>-18.9579	-53.335		-54.3466
>>>-25.1648	-68.3347	-45.3731
>>>-21.7973	-66.4332	-46.8981
>>>-21.9081	-4.60033	-20.1566
>>>-19.3826	-10.9609	-11.7261
>>>-19.6212	-11.0188	-11.9289
>>>-20.3589	-11.8816	-21.9849
>>>-22.3951	-13.1618	-29.4319
>>>-17.5942	-18.293		-29.7664
>>>-14.0529	-28.2816	-32.2194
>>>-15.9832	-24.8981	-34.9349
>>>-16.5951	-32.2236	-39.7626
>>>-11.7985	-39.1311	-37.4521
>>>-15.095		-58.2294	-40.4553
>>>-25.6018	-81.8494	-33.4189
>>>-28.3902	-83.2021	-32.679
>>>-27.3883	-84.8447	-30.7829
>>>-52.3082	-75.3201	-43.1788
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>>>-73.2674	-36.8797	-46.8127
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>>>-41.0401	-22.7522	-44.0808
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>>>-39.5708	-80.2093	-11.5211
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>>>-79.2889	-38.0171	-30.9088
>>>-76.5653	-41.7737	-25.3504
>>>-35.923		-71.2614	-11.2483
>>>-41.1814	-66.8657	-11.8254
>>>-51.9656	-46.7162	-15.8561
>>>-55.5637	-37.2839	-17.6058
>>>-56.2011	-35.3109	-18.877
>>>-54.9298	-36.4001	-16.9508
>>>-49.6226	-37.8879	-14.6085
>>>-26.1596	-15.6745	-13.5708
>>>-21.0667	-21.1972	-6.62659
>>>-25.4906	-16.6626	-13.0677
>>>-29.0853	-18.9612	-13.9734
>>>-21.2948	-29.2704	-8.00803
>>>-26.221		-23.1836	-9.9903
>>>-27.1278	-15.6761	-8.15604
>>>-47.3306	-40.9087	-13.1216
>>>-15.6826	-27.3042	-19.9435
>>>-34.2624	-19.0843	-19.5786
>>>-26.2104	-68.4784	-48.6368
>>>-62.5659	-40.8889	-49.6636
>>>-39.9545	-55.0922	-52.6696
>>>-48.0532	-73.9058	-42.7232
>>>-70.538		-71.7311	-42.552
>>>-70.8902	-71.6452	-42.4364
>>>-65.206		-76.9467	-39.8191
>>>-67.1722	-74.2311	-41.781
>>>-74.717		-62.7898	-50.011
>>>-74.717		-62.7898	-50.011
>>>-74.717		-62.7898	-50.011
>>>-74.717		-62.7898	-50.011
>>>-75.357		-61.62		-50.5794
>>>-63.0021	-54.8026	-48.326
>>>-73.3099	-51.5001	-50.7797
>>>-24.1063	-67.8018	-43.5822
>>>-36.9065	-22.5993	-39.5359
>>>-35.0599	-15.5504	-36.287
>>>-34.7649	-15.235		-35.2104
>>>-33.2899	-18.0444	-33.5633
>>>-34.1381	-15.9839	-34.9431
>>>-65.7059	-34.4236	-24.3274
>>>-60.9207	-37.9851	-20.2702
>>>-58.6644	-41.1217	-17.4352
>>>-75.3023	-49.2172	-46.5947
>>>-73.1916	-52.292		-46.3261
>>>-73.4857	-52.8462	-45.9416
>>>-80.6646	-43.3094	-37.0158
>>>-83.1769	-45.6942	-46.0363
>>>-84.1087	-46.186		-33.0227
>>>-85.6682	-55.885		-29.8012
>>>-84.6544	-67.2023	-27.116
>>>-85.527		-60.4318	-26.3543
>>>-79.8501	-71.3924	-36.0193
>>>-73.8632	-53.2026	-47.0972
>>>-70.8058	-60.6018	-44.966
>>>-73.6307	-68.9364	-45.3029
>>>-71.775		-73.397		-43.1312
>>>-45.01		-55.737		-50.6109
>>>-52.3519	-47.6041	-51.5004
>>>-85.6606	-53.0533	-27.7787
>>>-82.5662	-47.8126	-23.4433
>>>-83.7273	-47.664		-27.3021
>>>-80.2751	-42.5674	-40.177
>>>-76.5365	-38.8288	-24.7853
>>>-72.2973	-38.4002	-19.557
>>>-75.5021	-69.8566	-44.8403
>>>-74.5438	-67.6697	-46.2483
>>>-74.8959	-58.9295	-50.3162
>>>-79.9985	-73.3512	-38.6937
>>>-83.4004	-64.8501	-34.0624
>>>-85.2287	-58.3869	-33.0872
>>>-87.873		-54.2097	-31.9646
>>>-81.5342	-45.8635	-44.3582
>>>-80.9885	-52.6827	-47.0506
>>>-76.9498	-63.7505	-50.5776
>>>-81.1036	-72.6023	-44.1744
>>>-82.1153	-68.1152	-43.4155
>>>-82.2892	-66.5327	-31.7747
>>>-81.5806	-47.7003	-30.3421
>>>-76.1493	-41.3394	-35.3434
>>>-78.949		-45.1089	-42.0359
>>>-78.6424	-45.1904	-44.388
>>>-75.3888	-42.6605	-34.2269
>>>-41.5656	-33.7628	-50.1509
>>>-39.3532	-29.8831	-48.5824
>>>-37.4289	-29.5859	-48.5824
>>>-32.7079	-30.9484	-49.0895
>>>-27.6917	-32.7229	-48.9474
>>>-27.9246	-29.8606	-48.6352
>>>-29.2154	-28.0166	-47.2388
>>>-33.4301	-38.8709	-48.7533
>>>-29.2633	-33.2829	-47.5575
>>>-14.1426	-26.2842	-43.0246
>>>-12.0658	-32.5148	-40.384
>>>-13.8539	-39.0849	-45.2996
>>>-15.0614	-45.2048	-47.3178
>>>-26.3783	-18.9156	-38.6158
>>>-22.2158	-20.9171	-32.5338
>>>-24.8937	-14.1927	-36.8927
>>>-18.6357	-22.9622	-33.0949
>>>-37.6972	-24.3467	-41.3484
>>>-34.2343	-24.474		-42.2725
>>>-44.0477	-47.9314	-50.3285
>>>-38.2135	-47.9461	-50.1335
>>>-38.5531	-57.987		-50.706
>>>-18.7201	-58.0683	-46.3044
>>>-14.8541	-45.9524	-33.0264
>>>-42.3023	-55.5904	-51.1085
>>>-43.1293	-49.3323	-50.015
>>>-34.1596	-33.5507	-47.9661
>>>-28.4857	-39.2014	-44.8762
>>>-35.1931	-54.4481	-47.2349
>>>-42.7083	-55.6583	-48.7628
>>>-37.4512	-57.4793	-47.7379
>>>-33.7594	-65.1592	-44.9046
>>>-27.7403	-62.7486	-44.5149
>>>-36.3341	-27.4112	-43.2645
>>>-23.9813	-35.8812	-41.8482
>>>-30.822		-48.3199	-48.3565
>>>-31.1229	-52.0986	-51.3021
>>>-30.9119	-58.6207	-50.4914
>>>-41.2731	-62.3421	-49.2255
>>>-34.9644	-70.4158	-46.9936
>>>-44.0569	-37.236		-45.2383
>>>-30.1168	-28.1227	-44.4972
>>>-36.3116	-41.4595	-50.866
>>>-44.9187	-45.3819	-52.3119
>>>-48.8089	-47.8788	-51.8262
>>>-51.1864	-39.726		-50.6524
>>>-45.3048	-34.3323	-48.8416
>>>-34.9685	-30.5372	-48.2668
>>>-29.7542	-43.7687	-47.224
>>>-31.1238	-51.1637	-48.3063
>>>-29.1083	-61.9127	-45.6304
>>>-30.7722	-42.3342	-49.837
>>>-31.3412	-35.9524	-46.4553
>>>-26.9857	-34.8879	-46.6803
>>>-29.4396	-49.5558	-47.8927
>>>-31.5993	-53.4932	-49.8133
>>>-29.8134	-44.3027	-45.865
>>>-29.95		-47.3311	-47.6491
>>>-34.4382	-44.009		-48.3298
>>>-29.7824	-57.6831	-44.9023
>>>-33.9699	-60.4387	-47.8645
>>>-30.7376	-41.335		-54.3404
>>>-30.8674	-41.7893	-52.798
>>>-32.2062	-59.3381	-50.6543
>>>-31.9438	-43.4262	-53.1648
>>>-31.4696	-51.8199	-52.7129
>>>-32.9053	-55.642		-53.0324
>>>  
>>>      
>>>
>>Look at \VTK\Examples\Modelling\Tcl\ reconstructSurface.tcl
>>
>>-- 
>>M.Sc. Ismail Elkhrachy
>>PhD student
>>
>>Institut für Geodäsie und Photogrammetrie
>>Technische Universität Braunschweig
>>Gaußstr. 22   
>>38106 Braunschweig 
>>Germany
>>
>>Mob.           : 0049 0163 3623486
>>Tel.           : 0049 0531 3917497
>>Fax            : 0049 0531 3917499
>>E-mail         : I.Elkhrachy at tu-bs.de, I.Elkhrachy at yahoo.com
>>
>>
>>_______________________________________________
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>>
>>    
>>
>
>  
>



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