Attribute: CLIP
The area defined by a CLIP attribute is cut from a file and inserted into the IDF document.
CLIP="fieldname"
or
CLIP="left,top,right,bottom" (deprecated).
If there are no commas, then the parameter is assumed to be a fieldname whose boundaries are used to set a clip region.
The top left corner of the resulting area is positioned at the LEFT (or X) and TOP (or Y) position.
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