Zoom and pan in color/opacity transfer function editor
It is very hard, or almost impossible to edit the transfer function in small areas of the data range using the point UI window. What's missing is the possibility to zoom the point edit window so that just a portion of the data range is displayed, and existing points in that area can be edited more easily. When in zoom mode, the ability to pan that sub-view through the data range would be great to have as well.
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steve_r
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