gnomcursor

This IDL facility provides a point-and-click interface for finding the astronomical location, value and pixel index of the pixels nearest to the pointed position on a gnomonic projection of a HEALPix map.

Location in HEALPix directory tree: src/idl/visu/gnomcursor.pro 

FORMAT

IDL> GNOMCURSOR, [cursor_type=, file_out=]

QUALIFIERS

see mollcursor

DESCRIPTION

gnomcursor should be called immediately after gnomview. It gives the longitude, latitude, map value and pixel number corresponding to the cursor position in the window containing the map generated by gnomview. For more details, or in case of problems under Mac OS X, see mollcursor.

RELATED ROUTINES

This section lists the routines related to gnomcursor

see mollcursor

EXAMPLE:

gnomcursor

After gnomview has read in a map and generated its gnomonic projection, gnomcursor is run to determine the position and flux of bright synchrotron sources, for example.