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ENVI v5.6.2

ENVI v5.6.2

What\’s New in ENVI 5.6.2

ENVI 5.6.2 includes performance improvements, new platform support, and new data access support.

See the following sections:

    New Features


For system requirements, see Platform Support for ENVI 5.6.2 and IDL 8.8.2.

New Features

Xtreme Viewer for MIE4NITF Frame Animation

The new Xtreme Viewer enables you to animate the frames of a MIE4NITF series at up to 30 Frames Per Second (FPS). With Xtreme Viewer, you can animate the frames in a forward or backward order, change the FPS on-the-fly, step through frames one at a time, bookmark frame views to return to later, and apply a contrast stretch.

Filter Records by Attributes

If a layer has an attribute table, you can filter the records by one or more attributes, save the filtered layer to a new shapefile, and you can save filter settings to a .json file for reuse. See Filter by Attributes for details.

New Tools

These new tools have been added to the ENVI Toolbox:

    Decorrelation Stretch: Removes the high correlation commonly found in multispectral data sets to produce a more colorful color composite image.

    Generate Thumbnail Image: Generate a thumbnail from the given raster and size.

    Regrid Raster: Defines a custom grid to which the raster will be regridded. A custom grid definition provides the information needed to georeference rasters and vectors to a common coordinate system.

New ENVITasks

You can use these new ENVITasks to perform data-processing operations in your own ENVI+IDL programs:

Task     Description

FindRasters     This task searches and opens rasters in a given directory based on a match pattern.

DecorrelationStretch     This task removes the high correlation commonly found in multispectral data sets to produce a more colorful color composite image.

GenerateThumbnail     This task generates a thumbnail from the given raster and size.

MergeROI     This task performs a union or intersection of multiple ROI geometries into a single output ROI, Note that this task only works with geometry and will ignore ROIs that contain pixels or thresholds in their definitions.

Methane Index

A new index for detecting methane emissions is available for use with the Spectral Indices tool and API.

Change Interpolation

You can change the interpolation method to use on a raster layer or raster series layers. The options are Nearest Neighbor, Bilinear, Bicubic, and Optimized Bicubic.


The New ENVINITF::WriteMetadata function method writes NITF metadata to a text file.


Supported Data Types

    Meteosat Second Generation: Level 1.5

    Landsat 9

        Collection 2: Level 1 and 2

        Analysis Ready Data

    STANAG 4676 Track Points: Edition B

    SuperView-1: Level-1B and Level-2A multispectral and panchromatic data


Multi-select is now available when there are multiple data layers in the Layer Manager. Press the Ctrl or Shift key as you select the desired layers, then perform actions on those layers at once, such as Hide, Remove, and so on.

Performance Increase for API Write Speed – BIP Interleave

The ENVI API write speed for the BIP interleave has been significantly improved, up to 90% in some cases.

NITF Performance Improvements

NITF performance improvements include the following.

Image display performance improvements:

Display time for a NITF 2.1 JPEG 2000 Compressed Image to the screen is now up to 80% faster.

The time to display a NITF Uncompressed Image to the screen has been improved to be up to 40% faster.

NITF metadata parsing improvements:

The time to parse NITF metadata is now 60% faster.

MODE Keyword

BSQ, BIL, and BIP are new valid values for the MODE keyword of ENVIRasterIterator and ENVIRaster::CreateTileIterator.

Preference Update

The default value for Zoom Interpolation Method has been changed to Optimized Bicubic. The default was previously set to Nearest Neighbor. Optimized Bicubic will produce more natural-looking images when zooming in and out.

Video Support

Windows 32-bit video support for the following has been dropped: Full Motion Video, ENVIView::ChipToVideo, and VideoToRasterSeries Task.

product:ENVI v5.6.2