<div dir="ltr"><div><div>Here's what it looks like after I create the poly data:<br><br><div style="margin-left:40px"><font size="2"><span style="font-family:monospace,monospace">vtkPolyData (000000000FB4D290)</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Debug: Off</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Modified Time: 18815</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Reference Count: 1</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Registered Events: (none)</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Information: 000000000FB3EDD0</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Data Released: False</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Global Release Data: Off</span></font><br><font size="2"><span style="font-family:monospace,monospace"> UpdateTime: 0</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Field Data:</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Debug: Off</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Modified Time: 18719</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Reference Count: 1</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Registered Events: (none)</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Number Of Arrays: 0</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Number Of Components: 0</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Number Of Tuples: 0</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Number Of Points: 19</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Number Of Cells: 0</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Cell Data:</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Debug: Off</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Modified Time: 18811</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Reference Count: 1</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Registered Events: </span></font><br><font size="2"><span style="font-family:monospace,monospace"> Registered Observers:</span></font><br><font size="2"><span style="font-family:monospace,monospace"> vtkObserver (000000000FAFB950)</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Event: 33</span></font><br><font size="2"><span style="font-family:monospace,monospace"> EventName: ModifiedEvent</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Command: 000000000FB3ECE0</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Priority: 0</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Tag: 1</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Number Of Arrays: 1</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Array 0 name = objtypes2</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Number Of Components: 1</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Number Of Tuples: 19</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Copy Tuple Flags: ( 1 1 1 1 1 0 1 1 )</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Interpolate Flags: ( 1 1 1 1 1 0 0 1 )</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Pass Through Flags: ( 1 1 1 1 1 1 1 1 )</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Scalars: (none)</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Vectors: (none)</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Normals: (none)</span></font><br><font size="2"><span style="font-family:monospace,monospace"> TCoords: (none)</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Tensors: (none)</span></font><br><font size="2"><span style="font-family:monospace,monospace"> GlobalIds: (none)</span></font><br><font size="2"><span style="font-family:monospace,monospace"> PedigreeIds: (none)</span></font><br><font size="2"><span style="font-family:monospace,monospace"> EdgeFlag: (none)</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Point Data:</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Debug: Off</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Modified Time: 18814</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Reference Count: 1</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Registered Events: </span></font><br><font size="2"><span style="font-family:monospace,monospace"> Registered Observers:</span></font><br><font size="2"><span style="font-family:monospace,monospace"> vtkObserver (000000000FAFBB30)</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Event: 33</span></font><br><font size="2"><span style="font-family:monospace,monospace"> EventName: ModifiedEvent</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Command: 000000000FB3ECE0</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Priority: 0</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Tag: 1</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Number Of Arrays: 2</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Array 0 name = objtypes</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Array 1 name = ZeroDColors</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Number Of Components: 4</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Number Of Tuples: 19</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Copy Tuple Flags: ( 1 1 1 1 1 0 1 1 )</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Interpolate Flags: ( 1 1 1 1 1 0 0 1 )</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Pass Through Flags: ( 1 1 1 1 1 1 1 1 )</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Scalars: </span></font><br><font size="2"><span style="font-family:monospace,monospace"> Debug: Off</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Modified Time: 18771</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Reference Count: 2</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Registered Events: (none)</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Name: ZeroDColors</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Data type: unsigned char</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Size: 93</span></font><br><font size="2"><span style="font-family:monospace,monospace"> MaxId: 56</span></font><br><font size="2"><span style="font-family:monospace,monospace"> NumberOfComponents: 3</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Information: 000000000FB3ED80</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Debug: Off</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Modified Time: 18770</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Reference Count: 1</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Registered Events: (none)</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Name: ZeroDColors</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Number Of Components: 3</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Number Of Tuples: 19</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Size: 93</span></font><br><font size="2"><span style="font-family:monospace,monospace"> MaxId: 56</span></font><br><font size="2"><span style="font-family:monospace,monospace"> LookupTable: (none)</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Vectors: (none)</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Normals: (none)</span></font><br><font size="2"><span style="font-family:monospace,monospace"> TCoords: (none)</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Tensors: (none)</span></font><br><font size="2"><span style="font-family:monospace,monospace"> GlobalIds: (none)</span></font><br><font size="2"><span style="font-family:monospace,monospace"> PedigreeIds: (none)</span></font><br><font size="2"><span style="font-family:monospace,monospace"> EdgeFlag: (none)</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Bounds: </span></font><br><font size="2"><span style="font-family:monospace,monospace"> Xmin,Xmax: (-485.801, 63.3056)</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Ymin,Ymax: (-54.0469, 53.9257)</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Zmin,Zmax: (23.6906, 163.528)</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Compute Time: 21365</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Number Of Points: 19</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Point Coordinates: 000000000FAED710</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Locator: 0000000000000000</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Number Of Vertices: 0</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Number Of Lines: 0</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Number Of Polygons: 0</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Number Of Triangle Strips: 0</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Number Of Pieces: 1</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Piece: -1</span></font><br><font size="2"><span style="font-family:monospace,monospace"> Ghost Level: 0</span></font><br></div><br></div>Here's what it looks like after it passes through the vtkWarpVector (it's now an unstructured grid instead of poly data, and the arrays are now missing):<br><br><span style="font-family:monospace,monospace">vtkWarpVector (000000000AAFAAB0)<br> Debug: Off<br> Modified Time: 21598<br> Reference Count: 2<br> Registered Events: (none)<br> Executive: 000000000A2DBCD0<br> ErrorCode: No error<br> Information: 000000000F697940<br> AbortExecute: Off<br> Progress: 1<br> Progress Text: (None)<br> Scale Factor: 10<br><br><br>vtkUnstructuredGrid (000000000FD7C8A0)<br> Debug: Off<br> Modified Time: 21553<br> Reference Count: 2<br> Registered Events: (none)<br> Information: 000000000FB43920<br> Data Released: False<br> Global Release Data: Off<br> UpdateTime: 21561<br> Field Data:<br> Debug: Off<br> Modified Time: 21543<br> Reference Count: 1<br> Registered Events: (none)<br> Number Of Arrays: 0<br> Number Of Components: 0<br> Number Of Tuples: 0<br> Number Of Points: 0<br> Number Of Cells: 0<br> Cell Data:<br> Debug: Off<br> Modified Time: 21551<br> Reference Count: 1<br> Registered Events: <br> Registered Observers:<br> vtkObserver (000000000FD856E0)<br> Event: 33<br> EventName: ModifiedEvent<br> Command: 000000000FB43AB0<br> Priority: 0<br> Tag: 1<br> Number Of Arrays: 0<br> Number Of Components: 0<br> Number Of Tuples: 0<br> Copy Tuple Flags: ( 1 1 1 1 1 0 1 1 )<br> Interpolate Flags: ( 1 1 1 1 1 0 0 1 )<br> Pass Through Flags: ( 1 1 1 1 1 1 1 1 )<br> Scalars: (none)<br> Vectors: (none)<br> Normals: (none)<br> TCoords: (none)<br> Tensors: (none)<br> GlobalIds: (none)<br> PedigreeIds: (none)<br> EdgeFlag: (none)<br> Point Data:<br> Debug: Off<br> Modified Time: 21553<br> Reference Count: 1<br> Registered Events: <br> Registered Observers:<br> vtkObserver (000000000FD858F0)<br> Event: 33<br> EventName: ModifiedEvent<br> Command: 000000000FB43AB0<br> Priority: 0<br> Tag: 1<br> Number Of Arrays: 0<br> Number Of Components: 0<br> Number Of Tuples: 0<br> Copy Tuple Flags: ( 1 1 1 1 1 0 1 1 )<br> Interpolate Flags: ( 1 1 1 1 1 0 0 1 )<br> Pass Through Flags: ( 1 1 1 1 1 1 1 1 )<br> Scalars: (none)<br> Vectors: (none)<br> Normals: (none)<br> TCoords: (none)<br> Tensors: (none)<br> GlobalIds: (none)<br> PedigreeIds: (none)<br> EdgeFlag: (none)<br> Bounds: <br> Xmin,Xmax: (1, -1)<br> Ymin,Ymax: (1, -1)<br> Zmin,Zmax: (1, -1)<br> Compute Time: 0<br> Number Of Points: 0<br> Point Coordinates: 0000000000000000<br> Locator: 0000000000000000<br> Number Of Pieces: 1<br> Piece: 0<br> Ghost Level: 0<br><br></span></div><span style="font-family:monospace,monospace"><font face="arial,helvetica,sans-serif">I posted a simple example earlier in the thread that replicates the behavior I'm seeing. Thanks for your help!</font><br></span><div><div><br></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Jan 5, 2018 at 3:44 AM, Charles Kind <span dir="ltr"><<a href="mailto:charles.kind@bristol.ac.uk" target="_blank">charles.kind@bristol.ac.uk</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Robby,<br>
<br>
Could you print to console, or whatever, the datastructure before and after<br>
WarpVectors and let me see them? ie In Python I just use<br>
print(datastructure).<br>
<div class="HOEnZb"><div class="h5"><br>
Charlie<br>
<br>
<br>
<br>
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