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Ok.. Now that I have a better idea of what is going on, I can point you in the right direction. You want to be able to select a graphic like a circle and select a color from a color picker, draw a graphic or click a point, and the map would load that graphic on there based on your choices. There are a couple of ways I can think of doing this, but this may ...


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There is no direct method, but there are two ways of achieving this. First, it can be done using the image analysis window (Windows > Image analysis). Select your image, then apply your function (fct button in "Processing") on it. To select a function (in your case, "composite band" and/or " grayscale"), right-click on the identity function and select ...


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Try converting your color list from RGB format to HSV format and then sort the HSV list. What program did you get the RGB values out of? You might be able to tell it to simply report out HSV values. If you can't get HSV directly from that program, you could convert RGB to HSV here http://www.rapidtables.com/convert/color/rgb-to-hsv.htm Background: RGB ...


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In addition to what has been mentioned there are a few more things to consider. You can enhance the 3-dimensional impression of the map by not only varying the color hue but also the saturation, brightness and vibrance. Saturated colors will appear closer and are suitable for mountain tops while the lowlands and valleys can be colored rather unsaturated or ...



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