Good, OK. So if I use "Rescale Range" and set every file to, say, -10 to 10 (regardless of the underlying scalar values they might have), then color differences between these various files would truly indicate differences between them for the underlying scalar values?
-Tom On Jun 28, 2012, at 3:49 PM, David E DeMarle wrote: > It doesn't affect the scalars themselves, just the colors that are > assigned to them. > > Say you use a red to green to blue color map, with red corresponding > to -10 and green corresonding to 0 and blue corresponding to 10. > > Say you apply some filter or step to another timestep and your new > data values change from having a range of -10 to 10 to a new range of > 9 to 10. All the data now looks blue. > > If you click rescale to color range, the data that has a value of 9 > will now look red instead and you will see all the colors along the > map. > > David E DeMarle > Kitware, Inc. > R&D Engineer > 21 Corporate Drive > Clifton Park, NY 12065-8662 > Phone: 518-881-4909 > > > On Thu, Jun 28, 2012 at 2:25 PM, Tom Schoenemann <[email protected]> wrote: >> In the "Edit Color Map" section of the display, one of the options is to >> "Rescale Range". Hovering over it with the mouse it says: "Click this button >> to rescale the color map to a new range" >> >> Does this mean that, e.g., if my scalar values go from 2 to 10, and I use >> this "Rescale Range" option to have a minimum of 3 and a maximum of 9, does >> Paraview literally rescale the values, so that 2 now becomes 3, 10 now >> becomes 9, and all the intermediate values are similarly shifted? Or does >> this mean that every value between 2 and 3 now gets colored the same as 3, >> and everything between 9 and 10 gets colored the same as 9? >> >> In other words, are the scalar values being compressed, or just truncated, >> with respect to the colors? >> >> Thanks for any clarification, >> >> -Tom >> >> _________________________________________________ >> P. Thomas Schoenemann >> >> Associate Professor >> Department of Anthropology >> Indiana University >> Bloomington, IN 47405 >> Phone: 812-855-8800 >> E-mail: [email protected] >> >> Open Research Scan Archive (ORSA) Co-Director >> Consulting Scholar >> Museum of Archaeology and Anthropology >> University of Pennsylvania >> >> Homepage: http://mypage.iu.edu/~toms/ >> >> >> >> >> >> >> >> >> >> >> _______________________________________________ >> Powered by www.kitware.com >> >> Visit other Kitware open-source projects at >> http://www.kitware.com/opensource/opensource.html >> >> Please keep messages on-topic and check the ParaView Wiki at: >> http://paraview.org/Wiki/ParaView >> >> Follow this link to subscribe/unsubscribe: >> http://www.paraview.org/mailman/listinfo/paraview >> _________________________________________________ P. Thomas Schoenemann Associate Professor Department of Anthropology Indiana University Bloomington, IN 47405 Phone: 812-855-8800 E-mail: [email protected] Open Research Scan Archive (ORSA) Co-Director Consulting Scholar Museum of Archaeology and Anthropology University of Pennsylvania Homepage: http://mypage.iu.edu/~toms/
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