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This acts like the Draw Scale command in NIH Image, which places a gray scale (or color) ramp on the image for use as a scale bar. After the command is selected, a cross cursor will appear, and the front gray scale image window will be 'popped' to the front. Drag a rectangle to define the size of the ramp. As in NIH Image, the ramp may be either horizontal or vertical which ever dimension is greater, and will increase either to the right or up.

Dragging the rectangle sets the :crop_bdr parameter, and places the yellow rectangular border around the scale. This rectangle can be removed in various ways.

Currently, there is NO provision for annotating this scale. Use PowerPoint or Photoshop, for example for annotation.


Draw Scale appears under two buttons: