NRS_Software

ENVI/IDL extensions for NRS department

A collection of ENVI/IDL extensions for remote sensing processing. Most extensions will run in ENVI classic + IDL or ENVI GUI + IDL.

The documentation folder contains basic user documentation for most extensions (although not always complete and/or up to date).

The NRS_utils folder contain library functions that are needed by most extensions.

When running within ENVI sometimes IDL library functions could not be found. To overcome this a separate module was build (nrs_libs.sav) containing the following IDL functions:

ARRAY_INDICES
COMFIT
EXP_FUNC
GEO_FUNC
GOM_FUNC
HYP_FUNC
LABEL_DATE
LABEL_DATE_CONVERT_FORMAT
LOGSQ_FUNC
LOG_FUNC
WRITE_CSV
WRITE_CSV_CONVERT

Extension structure

Folders ending with _tools contain a collection of modules each consisting of three files:

<module>.pro: code to do the actual calculations
<module>_gui.pro: code defining the user interface
<module>_gui_eventcb.pro: callback functions to handle user actions in the user interface

Next to these there are two additional files:

<tools name>_menu: defines the menu items for ENVI (can be both ENVI classic and ENVI GUI)
_build_all_<tools name>: a build file to generate .sav file only the code from this tool. (Using IDL to build a .sav file can also include unwanted dependencies that will lead to issues when multiple tools use the same dependencies)

Note: <tools name> does not follow a clear pattern, but the tool name is always included

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