inverting the gray color ramp
How to create a gray image with inverted color ramp?
(for example, when submitting an article for journal publication)
Here is the procedure to invert the colors.
Go to :
- Display --> Colormaps...
- Click on "Edit..." button and the colormap editor will open;
the colors will be displayed from black to white.
- Click on the black color (extreme left of the color bar):
Fluent shows Red, Green, and Blue values set to zero;
scroll the bar under Red from 0 to 255;
repeat the same with Green and Blue (i.e. set them also to 255);
you should notice that the extreme left corner of the color bar
changed from black into white
- Click on the white color (extreme right) and switch it to black
by reseting Red, Blue and Green from 255 to 0;
you should notice that the extreme right corner of the color bar
changed from white into black.
- Under "name", specify a name for the newly created colormap and click
-Click on Apply button in the Colormap panel.