Crops a bitmap.
{ "Operation": "Item.Raster.Crop", "PropertyMap": { "_lox@": "1", "_loy@": "1", "_hix@": "1", "_hiy@": "1" } }
High X
The high X (right) pixel to crop to, as a simple value, or as an expression, eg '123' or '_width&-fix(Floor(0.5*_width&))'
High Y
The high Y (bottom) pixel to crop to, as a simple value, or as an expression, eg '123' or '_height&-fix(Floor(0.5*_height&))'
Low X
The low X (left) pixel to crop to, as a simple value, or as an expression, eg '123' or 'Fix(Floor(0.5*_width&))'
Low Y
The low T (top) pixel to crop to, as a simple value, or as an expression, eg '123' or 'Fix(Floor(0.5*_height&))'
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