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<div style="color: rgb(0, 0, 0);">If you add a line after "element face 0”</div>
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<div style="color: rgb(0, 0, 0);">property list uchar int vertex_index</div>
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<div style="color: rgb(0, 0, 0);">It will load just fine. Just for clarity, here is the whole file:</div>
<div>
<div style="color: rgb(0, 0, 0);">ply</div>
<div style="color: rgb(0, 0, 0);">format ascii 1.0</div>
<div style="color: rgb(0, 0, 0);">element vertex 15</div>
<div style="color: rgb(0, 0, 0);">property float x</div>
<div style="color: rgb(0, 0, 0);">property float y</div>
<div style="color: rgb(0, 0, 0);">property float z</div>
<div style="color: rgb(0, 0, 0);">element face 0</div>
<div><font color="#ff0000"><b>property list uchar int vertex_index</b></font></div>
<div style="color: rgb(0, 0, 0);">end_header</div>
<div style="color: rgb(0, 0, 0);">53.242 91.622 149.959</div>
<div style="color: rgb(0, 0, 0);">129.485 97.222 149.719</div>
<div style="color: rgb(0, 0, 0);">81.920 4.705 46.381</div>
<div style="color: rgb(0, 0, 0);">81.827 4.788 46.983</div>
<div style="color: rgb(0, 0, 0);">80.120 4.781 47.902</div>
<div style="color: rgb(0, 0, 0);">76.090 4.647 49.168</div>
<div style="color: rgb(0, 0, 0);">68.482 6.366 51.216</div>
<div style="color: rgb(0, 0, 0);">68.482 6.366 51.216</div>
<div style="color: rgb(0, 0, 0);">58.200 11.971 54.295</div>
<div style="color: rgb(0, 0, 0);">48.691 17.704 54.613</div>
<div style="color: rgb(0, 0, 0);">40.140 25.495 53.721</div>
<div style="color: rgb(0, 0, 0);">32.668 34.396 51.962</div>
<div style="color: rgb(0, 0, 0);">26.993 44.212 46.917</div>
<div style="color: rgb(0, 0, 0);">22.274 51.449 35.907</div>
<div style="color: rgb(0, 0, 0);">24.514 49.859 18.384</div>
</div>
<div style="color: rgb(0, 0, 0);"><br>
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<div style="color: rgb(0, 0, 0);">Here is the code I tested it with:</div>
<div style="color: rgb(0, 0, 0);">
<div>import vtk</div>
<div>r = vtk.vtkPLYReader()</div>
<div>r.SetFileName("stuff.ply")</div>
<div>r.Update()</div>
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<span id="OLK_SRC_BODY_SECTION" style="color: rgb(0, 0, 0);">
<div style="font-family:Calibri; font-size:11pt; text-align:left; color:black; BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM: 0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: #b5c4df 1pt solid; BORDER-RIGHT: medium none; PADDING-TOP: 3pt">
<span style="font-weight:bold">From: </span>vtkusers <<a href="mailto:vtkusers-bounces@vtk.org">vtkusers-bounces@vtk.org</a>> on behalf of Anderson chidi Apunike via vtkusers <<a href="mailto:vtkusers@vtk.org">vtkusers@vtk.org</a>><br>
<span style="font-weight:bold">Reply-To: </span>Anderson chidi Apunike <<a href="mailto:anderchidi@yahoo.com">anderchidi@yahoo.com</a>><br>
<span style="font-weight:bold">Date: </span>Wednesday, July 8, 2015 at 2:39 PM<br>
<span style="font-weight:bold">To: </span>"<a href="mailto:vtkusers@vtk.org">vtkusers@vtk.org</a>" <<a href="mailto:vtkusers@vtk.org">vtkusers@vtk.org</a>><br>
<span style="font-weight:bold">Subject: </span>[vtkusers] vtk PLY reader errors<br>
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<div id="yui_3_16_0_1_1436390519731_25522" dir="ltr"><span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25533" class="">Hi VTK developpers, </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25535" class="">
<br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25537" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25539" class="">I am currently using vtkPLYReader class to load some polygonal objects. </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25541" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25543" class="">I convert a txt file into a ply file (ascii format) with Python. When I try opening the ply file with VTKplyreader,
it returns the following error: </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25545" class="">
<br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25547" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25549" class="">ERROR: In ..\..\VTK\IO\vtkPLYReader.cxx, line 125 </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25551" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25553" class="">vtkPLYReader (000000000483BDE0): Cannot read geometry </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25555" class="">
<br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25557" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25559" class="">When I try opening the same PLY file that I created usinga software caled MeshLab, it opens the file in Meshlab,
showing all the points. </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25561" class="">
<br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25563" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25565" class="">I am confused at this point, not knowing what to do about it.
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</span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25573" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25575" class="">Here's part of my file. It has 266 vertices, but I reduced them to 15.</span></div>
<div id="yui_3_16_0_1_1436390519731_25522" dir="ltr"><span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" class="" id="yui_3_16_0_1_1436390519731_25772">It has no faces. It only has vertices with their respective
x, y,z coordinates. </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25577" class="">
<br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25579" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25581" class="">ply </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25583" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25585" class="">format ascii 1.0 </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25587" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25589" class="">element vertex 15 </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25591" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25593" class="">property float x </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25595" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25597" class="">property float y </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25599" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25601" class="">property float z </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25603" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25605" class="">element face 0 </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25607" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25609" class="">end_header </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25611" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25613" class="">53.242 91.622 149.959 </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25615" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25617" class="">129.485 97.222 149.719 </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25619" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25621" class="">81.920 4.705 46.381 </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25623" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25625" class="">81.827 4.788 46.983 </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25627" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25629" class="">80.120 4.781 47.902 </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25631" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25633" class="">76.090 4.647 49.168 </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25635" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25637" class="">68.482 6.366 51.216 </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25639" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25641" class="">68.482 6.366 51.216 </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25643" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25645" class="">58.200 11.971 54.295 </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25647" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25649" class="">48.691 17.704 54.613 </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25651" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25653" class="">40.140 25.495 53.721 </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25655" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25657" class="">32.668 34.396 51.962 </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25659" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25661" class="">26.993 44.212 46.917 </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25663" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25665" class="">22.274 51.449 35.907 </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25667" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25669" class="">24.514 49.859 18.384 </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25671" class="">
<br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25673" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25675" class="">Thanks. </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25677" class="">
<br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25679" class="">
<span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.4399995803833px;" id="yui_3_16_0_1_1436390519731_25681" class="">Anderson</span><br>
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