... User Guide ] Task: cgcurs Purpose: Read quantities with cursor from images on a PGPLOT device Categories: plotting CGCURS displays an image via a contour plots or a pixel map representation (formerly called a "grey scale") on a PGPLOT device. The cursor is then used to read image values, or to evaluate image statistics in a polygonal region, or to write a polygonal region definition to a text file. ... Key: in One or two input images may be specified. ... Key: region Region of interest. ...