<div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="gmail_quote"><div class="im">That is definitely broken. I'll look into it now.</div>
<span class="HOEnZb"><font color="#888888"><br>David</font></span></div>
</blockquote></div><div><br></div>Weird - even after an "about 1 point" selection, the extract filter says it got 50 points (the whole sphere data set). I have no idea what would cause that - the vtkAreaPicker should set up that vtkPlanes object appropriately to select only the points inside the rectangular prism/frustum that goes through the scene through the rectangle you select.<div>
<br></div><div>Sorry I can't help... hopefully someone else can shed some light on this.<br><div><br>David<br></div></div>