Home Visualisation of Data Adjusting 2D Image Properties | ||||||||||||||||||||||||||
See also: Displaying 2D Images, Color Adjustment, Selection of a Suitable Color Palette, Precise Setting of the Cursors
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Adjusting 2D Image Properties |
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The setup dialog of the 2D Imager (which can be activated by clicking the setup button in the 2D Imager toolbar) allows to control the parameters of the contour plot, its type, resolution, and colors. You can adjust the contrast of the image by moving the sliders (dotted vertical lines) across the intensity histogram. The selected color palette is always mapped onto the region between the sliders. The first and the last color are automatically extended to the left and the right of the sliders. Thus you can increase the contrast by narrowing the region between the sliders. The sliders can also be adjusted by using the numeric controls "Low Iso Level" and "High Iso Level". In some cases the intensity histogram seems to be almost empty. Normally, this is due to a high concentration of pixels in a small intensity range with only a few hundred pixels lying outside this small range. Selecting the "Logarithmic Scale" option may help in this case.
Epina ImageLab provides a list of predefined color palettes:
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