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Version 1.9 Build 1488

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imageprofilesupport.getx - Function

	Package	general
	Module	images
	Tool	imageprofilesupport

Get abcissa coordinate of cursor

Synopsis
getx(color)

Arguments

color	in	Color of location marker
		Allowed:	PGPlot color (expressed as integer index)
		Default:	7

Returns
Float

Description
Get the abcissa coordinate of the cursor and mark the x-location with a vertical line.

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)                       
- r := drm.box()                           
- p.makeordinate (im, r)                   
- x := p.getx()