Help Articles are product support tips and information straight from the Exelis VIS Technical Support team developed to help you use our products to their fullest potential.
This article shows an example of how to write a large set of data to an HDF5 file by breaking it down into smaller pieces and writing it to the file piece by piece.
The program "test_write_h5d" (shown below) generates a set of data that is random is size*. It then creates a HDF5 file and opens it. The data is then ...
Some IDL and ENVI users on Mac OS X (10.7 or later) have reported that X11 fails to launch automatically when IDL or ENVI is started by double clicking on the application launch icon.
Possible causes for this problem may be:
1.) X11/XQuartz configuration is not complete
2.) Corrupted X11/XQuartz ...
Running IDL and ENVI on Mac OS X requires the installation of X11/XQuartz on the system. X11/XQuartz does not come pre-installed on Mac OS X and requires a separate download and installation of this product.
Here are some example symptoms of using IDL on a Mac OS X system without X11/XQuartz:
* The IDL Workbench can be started but ...
XP SP2, Vista, 7, 8
This article describes techniques that can be used to improve the performance of IDL programs. (NOTE: Most of the text in this article was taken from Mark Piper's "Scientific Programming with IDL" manual)
Some techniques to improve the speed and memory usage of IDL programs is shown below:
Vectorization is ...
Maintenance Program Changes and Reminders:
All customers must be current on maintenance to receive ...