<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">Hi David,</div><div class=""><br class=""></div>Thanks for the update. We’re going to migrate over to 7.0 (I presume that’s where your fix will go) as soon as the Renderer issue with LightKit I reported is resolved…<div class=""><br class=""></div><div class=""><br class=""></div><div class="">Thanks</div><div class=""><br class=""></div><div class="">Rick</div><div class=""><br class=""></div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Apr 28, 2016, at 2:29 PM, David Gobbi <<a href="mailto:david.gobbi@gmail.com" class="">david.gobbi@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">Hi Richard,<div class=""><br class=""></div><div class="">I replicated the "transparent pick" bug you reported, and submitted a fix for review:</div><div class=""><a href="https://gitlab.kitware.com/vtk/vtk/merge_requests/1467" class="">https://gitlab.kitware.com/vtk/vtk/merge_requests/1467</a><br class=""></div><div class=""><br class=""></div><div class="">The loop got stuck if the pick reached the camera's far clipping plane before</div><div class="">either 1) finding an opaque voxel or 2) exiting through the rear of the volume.</div><div class=""><br class=""></div><div class=""> - David</div></div><div class="gmail_extra"><br class=""><div class="gmail_quote">On Fri, Apr 22, 2016 at 7:25 AM, David Gobbi <span dir="ltr" class=""><<a href="mailto:david.gobbi@gmail.com" target="_blank" class="">david.gobbi@gmail.com</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr" class=""><div class="gmail_extra"><div class="gmail_quote"><span class="">On Fri, Apr 22, 2016 at 7:10 AM, Richard Frank <span dir="ltr" class=""><<a href="mailto:rickfrank@me.com" target="_blank" class="">rickfrank@me.com</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto" class=""><div class=""><br class=""></div><div class="">I also found an issue where in some cases the Ray trace loop ( in vtkCellPicker ) would get stuck. </div><div class=""><br class=""></div><div class="">While ( t1 < tLast ) // something like this</div><div class=""><br class=""></div><div class="">Etc </div><div class=""><br class=""></div><div class="">In the particular instance, which seemed to be a click on an "empty" transparent area, t1 would get stuck at 1.0 " fore ever" ...</div><div class=""><br class=""></div><div class="">So I subclassed it to work around and if t1 stays a 1.0 +- tiny e for >200 loops I break out.</div></div></blockquote><div class=""><br class=""></div></span><div class="">Thanks for the info, there must be a bug. I'll take a look at that loop.</div><span class="HOEnZb"><font color="#888888" class=""><div class=""><br class=""></div><div class=""> - David </div></font></span></div></div></div>
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