getVBL

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getVBL() Function

 Note: This function can only be used in a Trusted Macro

• Introduced in version 1.3b90

Gets the Wall Vision Blocking Layer (Wall VBL) shapes for the area specified in the shape parameter.

Usage

<syntaxhighlight lang="mtmacro" line> getVBL(shape) getVBL(shape,format) </source>

This function retrieves the Wall VBL found in the given shape(s).

Parameters

• shape - A JSON object, or an array of JSON objects, as described in drawVBL(). If an array, gets all the Wall VBL within all provided shapes, otherwise just the Wall VBL in the single provided shape.
• format - OPTIONAL Boolean. Returns a JSON object if false(0), or a JSON array of coordinates if true(1). In either case, the returned shape covers the Wall VBL found in the area. Defaults to false(0)

Examples

<syntaxhighlight lang="mtmacro">

[h:rectangle = '{"shape":"rectangle","x":50,"y":50,"w":100,"h":200,"r":45,"fill":1,"thickness":1,"scale":0}'] [r:vblData = getVBL(rectangle , 0)]

</source>

See Also

Introduction to Vision Blocking, eraseVBL(), drawVBL()