<div dir="ltr">Yeah, I've been looking over that commit (my own git bisect gave me the same answer a couple hours ago). Definitely looks like it could be timestamp-related.<div><br></div><div> - David</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Sep 5, 2017 at 7:42 PM, Bill Lorensen <span dir="ltr"><<a href="mailto:bill.lorensen@gmail.com" target="_blank">bill.lorensen@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Ken was right. git bisect picked the winner<br>
<br>
59373905501ae983e1587d6b118fcb<wbr>cccd548c1c is the first bad commit<br>
commit 59373905501ae983e1587d6b118fcb<wbr>cccd548c1c<br>
Author: Ken Martin <<a href="mailto:ken.martin@kitware.com">ken.martin@kitware.com</a>><br>
Date: Tue Aug 22 17:07:43 2017 -0400<br>
<br>
a number of cleanups to the VBO code<br>
<br>
added a lot of documentation, removed a couple methods<br>
that were no longer needed. Improved the handling of<br>
data arrays so that they are more often cached.<br>
<div class="HOEnZb"><div class="h5"><br>
On Tue, Sep 5, 2017 at 9:18 PM, Ken Martin <<a href="mailto:ken.martin@kitware.com">ken.martin@kitware.com</a>> wrote:<br>
> My guess is something is calling Set(..) on a texture or point array and not<br>
> marking it modified. There was a change I made recently that will cause<br>
> those cases to not update the VBO.<br>
><br>
> On Tue, Sep 5, 2017 at 7:00 PM, David Gobbi <<a href="mailto:david.gobbi@gmail.com">david.gobbi@gmail.com</a>> wrote:<br>
>><br>
>> I'm doing a bisect right now. Builds take forever, though.<br>
>><br>
>> On Tue, Sep 5, 2017 at 4:58 PM, Bill Lorensen <<a href="mailto:bill.lorensen@gmail.com">bill.lorensen@gmail.com</a>><br>
>> wrote:<br>
>>><br>
>>> David,<br>
>>><br>
>>> git bisect is great for identifying the culprit.<br>
>>><br>
>>> On Tue, Sep 5, 2017 at 6:37 PM David Gobbi <<a href="mailto:david.gobbi@gmail.com">david.gobbi@gmail.com</a>> wrote:<br>
>>>><br>
>>>> Something has changed in VTK in the past couple weeks relating to<br>
>>>> textures that is causing vtkImageResliceMapper to fail. The problem can be<br>
>>>> seen in Examples/ImageProcessing/<wbr>Python/ImageInteractorReslice.<wbr>py: if the<br>
>>>> window is resized to make the window taller or wider, then the texture<br>
>>>> appears to be stretched in the wrong direction. It's almost as if somewhere<br>
>>>> in the code the "x" texture coords are being read as "y" and vice-versa.<br>
>>>><br>
>>>> Can anyone point me to a place to look?<br>
>>>><br>
>>>> Thanks,<br>
>>>> - David<br>
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