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For drawing on one image and seeing identical drawing on another. Images
need to be the same size (pixel dimensions), but can be zoomed arbitrarily.
Also for setting the drawing color.
- Pantograph Select the images, and draw on one or more of them.
Close the status line to stop drawing. Window zoom accounted for.
- Cuts - For dividing particles by hand with straight lines before
blobbing. This permanently
changes the image data array, unlike the Pantograph tool above. Works on
the front gray level image. Choose value for lines (background intensity
level), mouse the lines, click on pink status bar to quit, Scale...Normal button to actually see all lines.
- Set Color The :mouse_draw_color in the :mlx parameter
list is set here. This color is used for a few other graphics besides this
"pantogram" like drawing tool.
Related functions: Rect cursor
when used with Links, Registration