Discrete Data 3d

2016 12 10
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更新时间：2016 12 11
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Hello there , i have 3-d data so i want to project the third coordinate as a color over the 2-d plane. There is no continuous data to project , instead i have specific points . Sο if i do use the image function i see nothing , and this is reasonable because i project points which is dimensionless , is there any idea how to "extend" these points to make them visible ?

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Walter Roberson
Walter Roberson 2016-12-10

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scatter() and provide the third coordinate as the color information.
Remember to convert the coordinates to column vectors.

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Michalis Chaviaras
Michalis Chaviaras 2016-12-10
I want the third coordinate represented by a color-density ... like the pictures from image function , no just points with color ..
Michalis Chaviaras
Michalis Chaviaras 2016-12-11
Sorry for misunderstanding , i have already 3-d data calculated , i don't want to calculate the 3rd coordinate based on the (x,y) data . If i do plot data with image i see only blue color at the figure. I think this is because specific points have plotted.

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