The IDL Help reference page for the LABEL_REGION function mentions:
"Pixels at the edges of Data are considered to be zero."
Consequently, if non-zero edge pixel data must be considered in the results from LABEL_REGION, then you'll need to pad the original data edges with a column and row of zeroes, so ...
The following code example shows how to set up different styles of line fill in a contour plot using IDL's CONTOUR procedure.
; Initialize the display settings and load a color table
; Access the values of the color table and set them ...
On Linux/Solaris systems, the IDL 8 on-line help will by default launch in your default web browser. However, there are some scenarios where you may want the IDL help to launch in a browser that is not your default browser. For example, if your default web browser is Google Chrome, you may find that the IDL 8.1 on-line help does not work very ...
In the latest releases of IDL, users who run Advanced Math and Stats (IMSL) on Windows or Mac machines that are 64 bit may encounter the following error :
% MATHSTAT_166: Dynamically loadable module is unavailable on this platform: IMSL.
When this error occurs, it means that IMSL is not supported in the 64 bit version of IDL. It is ...
Maintenance Program Changes and Reminders:
All customers must be current on maintenance to receive ...