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imageprofilesupport.npoints - Function

	Package	general
	Module	images
	Tool	imageprofilesupport

Return the number of points in the current profile

Synopsis
npoints()

Returns
Integer

Description
This function returns the number of points in the current profile. Will be zero if none yet made. It is function makeabcissa that really determines the number of points (the ordinate must conform).

Example

- im := image('ngc1313.cube')             
- csys := im.coordsys()                   
- shp := im.shape()                       
- p := imageprofilesupport(csys=csys, shp=shp, widgetset=dws)
- p.setprofileaxis(axis);
- p.makemenus()
-
- pos := csys.referencepixel()            
- p.makeabcissa(pos)                      
- p.npoints()
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