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ENVI

ENVI API

If you are new to ENVI Programming, begin with the ENVI API Programming Guide and List of Tasks.
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Title 
Description 
ADAPT_FILT_DOIT Apply an adaptive filter.
AdditiveLeeAdaptiveFilter Task Applies a Lee adaptive filter to smooth noisy data that has an additive component.
AdditiveMultiplicativeLeeAdaptiveFilter Task Applies a Lee adaptive filter to smooth noisy data that has both an additive and a multiplicative component.
AIRSAR_HEADER_DOIT Read an Airborne Synthetic Aperture Radar (AIRSAR) header.
AIRSAR_PED_HEIGHT_DOIT Calculate pedestal height images from an AIRSAR compressed stoked matrix.
AIRSAR_PHASE_IMAGE_DOIT Calculate phase images from an AIRSAR compressed stokes matrix.
AIRSAR_POLSIG_DOIT Calculate polarization signatures from an AIRSAR compressed stokes matrix.
AIRSAR_SCATTER_DOIT Calculate scatter classification for an AIRSAR compressed stokes matrix.
AIRSAR_SYNTH_DOIT Synthesize AIRSAR images.
Application Control Routines  
ApplyGainOffset This task applies custom gain and offset values to each band of a raster, updating the pixel values accordingly.
ApplyGainOffsetToExamples Task Applies a gain and offset to the examples in an ENVIExamples object.
ASCIIToROI Task Creates a single ROI from the geometry of a columned ASCII file.
ASCIIToVector Task Creates a vector from the geometry of a columned ASCII file.
ASPECT_DOIT Make aspect corrections to Landsat Multispectral Scanner (MSS) image data.
AUTO_WID_MNG Automatically perform event handling for an ENVI compound widget.
AutoChangeThresholdClassification Task This task uses pre-defined thresholding techniques to automatically classify change detection between two images.
BAD_DATA_DOIT Remove bad data lines.
BinaryGTThresholdRaster Task Creates a new raster where values above a specified threshold are set to 1 and all other values are set to 0.
BinaryLTThresholdRaster Task Creates a new raster where values below a specified threshold are set to 1 and all other values are set to 0.
BitErrorAdaptiveFilter Task Applies a bit error adaptive filter to a raster, to remove bit-error noise, which is usually the result of spikes in the data caused by isolated pixels that have extreme values unrelated to the image scene.
BuildBandStack Task Builds a band-stacked raster (also called a metaspectral raster), which is a stack of ENVIRasters with the same dimensions.
BuildGridDefinitionFromRaster Task Returns a grid definition, which provides the information needed to georeference rasters to a common coordinate system.
BuildIrregularGridMetaspatialRaster  
BuildLayerStack Task Builds a layer-stacked raster from a set of rasters that will be regridded to a common spatial grid.
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