Hello,<br><br>I want to add a point to the locators input-dataset and this point should be findable to the locator-methods. I construct a little example below with python.<br><br>#!/usr/bin/env python<br>#-*- coding:utf-8 -*-<br>
<br>import vtk<br><br>def _compress_vtk_points(points):<br>    vtk_points = vtk.vtkPoints()<br>    map(vtk_points.InsertNextPoint, points)<br>    <br>    return vtk_points<br><br>def main():<br>    pts = [<br>        [1, 1, 0],<br>
        [2.75, 2, 0],<br>        [1.5, 3, 0],<br>    ]<br>    <br>    pd_pts = _compress_vtk_points(pts)<br>    <br>    pd = vtk.vtkPolyData()<br>    pd.SetPoints(pd_pts)<br>    <br>    insert_box = [<br>        [0, 0, -5],<br>
        [0, 0, 5],<br>        <br>        [10, 0, -5],<br>        [10, 0, 5],<br>        <br>        [0, 10, -5],<br>        [0, 10, 5],<br>        <br>        [10, 10, -5],<br>        [10, 10, 5],<br>    ]<br>    <br>    box_pts = _compress_vtk_points(insert_box)<br>
    <br>    loc = vtk.vtkPointLocator()<br>    loc.SetDataSet(pd)<br>    loc.InitPointInsertion(pd_pts, box_pts.GetBounds())<br>    loc.BuildLocator()<br><br>if __name__ == &#39;__main__&#39;:<br>    main()<br><br>I add the following to the end of the main function:<br>
<br>    new_pt = pd_pts.InsertNextPoint((8, 8, 1))<br><br>    loc.Update()<br><br>    found_index = loc.FindClosestPoint((8.5, 8.5, .5))<br><br>The locator should return 3 in found_index, but 1 is returned.<br><br>What I&#39;m doing wrong???<br>
<br>Greetings<br>