Hi Russ,<br><br>Thanks for the input. I can replicate the problem with it being disabled and will fix it. I noticed though that in both 3.14.1 and 3.98 that the option to Compute Scalars was disabled/grayed out for polydata input.<br>
<br>I see what you mean about passing scalars. I think this issue has to do with what's being set as the default scalars. The calculator filter sets its output array as the scalar. You'll also notice that with your data set that if you try and contour by Result2 or Tiff Scalars directly from the reader you'll also get Result2 and Tiff Scalars out but not Result1. I only checked with this on PV 3.98 though.<br>
<br>Do you mind adding in a mantis bug issue though?<br><br>Thanks,<br>Andy<br><br><div class="gmail_quote">On Fri, Jan 4, 2013 at 4:16 PM, Russell M. Taylor II <span dir="ltr"><<a href="mailto:taylorr@cs.unc.edu" target="_blank">taylorr@cs.unc.edu</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">After loading a data file with more than one data set in it (for example, the VTK file stored in <a href="http://www.cs.unc.edu/~taylorr/temp/Mcneil_CNTs.zip" target="_blank">http://www.cs.unc.edu/~<u></u>taylorr/temp/Mcneil_CNTs.zip</a>), application of the contour filter does not allow me to click the "Compute Scalars" checkbox (it is grayed out). If I compute a range of values (Delete All/New Range) and Contour by "Result1", it does not carry Result1 into the output. Therefore, I cannot color the contours by the value I used to generate them.<br>
<br>
Workaround shows another problem: If I use the Calculator on the original data set and make a Result1copy data set from Result1 and then Contour the output of the calculator by Result1, then it carries through Result1 and Result2 but not Result1copy. I would have expected it to keep Result2 and Result1copy. If I contour by Result1copy, it still carries through Result1 and Result2.<br>
<br>
I'll add the workaround into my homework description for the class this semester, but it would be good if the checkbox was not grayed out so we could select the behavior that we usually want from this filter. It used to work in an older version.<br>
<br>
Thanks,<br>
Russ<br>
<br>
<br>
---<br>
Russell M. Taylor II, Ph.D. <a href="mailto:taylorr@cs.unc.edu" target="_blank">taylorr@cs.unc.edu</a><br>
CB #3175, Sitterson Hall <a href="http://www.cs.unc.edu/~taylorr" target="_blank">www.cs.unc.edu/~taylorr</a><br>
University of North Carolina, Voice: <a href="tel:%28919%29%20962-1701" value="+19199621701" target="_blank">(919) 962-1701</a><br>
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