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Get2DPt.md

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Get2DPt

Description

Returns the location of the specified vertex of a referenced object.

PROCEDURE Get2DPt(
				obj           : HANDLE;
				index         : INTEGER;
				VAR locX,locY : REAL);
def vs.Get2DPt(obj, index):
    return loc

Parameters

Name Type Description
obj HANDLE Handle to object.
index INTEGER Index of vertex to be queried (range of 1 to n)
loc REAL Coordinates of 2D vertex location.

Remarks

(_c_, 2007.05.27): Used with bounding box objects without vertexes (groups...), the routine doesn't throw error and always returns the coordinates of the center, independently of the passed vertex index.

(RGM Feb 2006): This will generally return the center of an object. Use GetSymLoc if you want eg. the 'point' of a Point PIO.

Examples

VectorScript

PROCEDURE Example;
VAR
    p : VECTOR;
BEGIN
    IF FSActLayer = NIL THEN
        AlrtDialog( 'Select a polygon or a polyline' )
    ELSE BEGIN { here you might want to check if it's a valid object type }
        Get2DPt( FSActLayer, 2, p.x, p.y ); { stores in p the coordinates of vtx 2 }
        Locus( p.x, p.y );
    END;
END;
Run(Example);

Python

if vs.FSActLayer() == None:
    vs.AlrtDialog( 'Select a polygon or a polyline' )
else:
    p = vs.Get2DPt( vs.FSActLayer(), 2 ) # stores in p the coordinates of vtx 2
    vs.Locus( p[0], p[1] )

See Also

VS Functions:

Version

Availability: from VectorWorks 8.5

Category