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How to back-up an active session’s command history without closing IDL

How to back-up an active session’s command history without closing IDL

7/9/2025

Background Information: The Command History in IDL tracks the recent commands you've entered in the IDL Console. It's a handy tool for reviewing, reusing, or editing past commands without having to retype them. Just use the up and down arrow keys to sift through prior commands. In the IDL Workbench, the Command History can also be... Read More >
ImageIQ 3rd party licenses & copyright acknowledgements

ImageIQ 3rd party licenses & copyright acknowledgements

3/24/2025

ImageIQ Software Components   COLMAP – Copyright (C) ETH Zurich and UNC Chapel Hill. All rights reserved.   License =======   The COLMAP library is licensed under the new BSD license. Note that this text refers only to the license for COLMAP itself, independent of its third-party... Read More >
ImageIQ Installation and Licensing Guide

ImageIQ Installation and Licensing Guide

3/4/2025

Install and License ImageIQ These instructions describe how to install and license ImageIQ on Windows. See the following sections: System Requirements Installation instructions License Activation   ImageIQ System Requirements Image IQ has the following system requirements: Minimum: 64-bit Windows 10 or... Read More >
How to plot two graphics with different data extents in the same view using IDL Object Graphics

How to plot two graphics with different data extents in the same view using IDL Object Graphics

2/19/2025

With IDL Object Graphics, plotting two graphics with different data extents in the same graphic window requires normalizing the range of the second graphic to fit the extension of the first one. If not, the two graphics will not fit within the same view. Here is an example of such normalization based on two random datasets, with two... Read More >
How to build a vertical filled plot in IDL

How to build a vertical filled plot in IDL

2/19/2025

IDL includes a routine called FILLPLOT which allows to create horizontal filled plots. However it does not support vertical filled plots: https://www.nv5geospatialsoftware.com/docs/FILLPLOT.html   The easiest way to build vertical filled plots is then to use the POLYGON routine... Read More >
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