Alphabetical Listing of LAS Programs

A B C D E F G H I J K L M N O P R S T U V W X Z

NOTE -- The source of each program is indicated as follows:

(B)	--	LAS baseline distribution
(P)	--	PSU contributions
(B/P)	--	Baseline with PSU modifcations/enhancements
(C)	--	Contributions from other LAS user sites

ABS

Replace each pixel in image by its absolute value (B)

ADD2STAT

Combine two statistics files (B)

ADD_TO_LIST

Add an item to a list of items (B)

ALBEDO

Estimate albedo (physical radiance) for Landsat MSS images (B)

ANNOTATE

Insert text annotation into an image (B)

ANNOTEPS

Insert PostScript-font text annotation into an image (P)

ARC2LAS

Convert Arc/Image Grid file or stack to LAS image (P)

ASC2TAB

Convert an ASCII data file to a labeled table file (B)

ASCII2DDR

Convert a DSPDDR print file into an image DDR (B)

ASCII2DLTF

Convert an ASCII color lookup table to DLTF format (C)

AUTOFIT

Automatically reject tie points with high residuals (B)

BADLINE

Filter out single line detector noise (C)

BANDARRAY

Mosaic a sequence of image bands into a one-band image (P)

BANDRATIO

Compute the ratio of one band to weighted sum of bands (B)

BAYES

Perform a Bayesian maximum likelihood classification (B)

BDIST

Calculate BHATTACHARYYA distances between pairs of classes (B)

CANAL

Perform canonical analysis and/or transformation (B)

CCTTIPSP

Read P-type Thematic Mapper (TM) scene quadrants (B)

CD

Change current working directory (P)

CIB2LAS

Ingest Controlled Image Base images into LAS (B)

CKDRIVE

Check that tape drive is mounted and at BOT (B)

CLASSMAP

Color code a classified image (B)

CLRWHEEL

Create a color wheel (C)

CLUST2SPEC

Convert CLUSTER output to Khoros Spectrum format (B)

CLUSTER

Do unsupervised clustering using modified isodata method (B)

COMBINE

Combine data from labelled table and/or ASCII files (B)

COMPLEX

Combine two images (real & imaginary) into a complex image (B)

COMPOL

Combine two images (magnitude & phase) into a complex image (B)

COMPOSIT

Create a composite image from up to 50 input images (B)

COMSEP

Separate complex image into real and imaginary components (B)

CONCAT

Sequentially concatenate and/or overlay a set of images (B)

CONJ

Compute the complex conjugate of a complex-valued image (B)

CONSTRETCH

Perform local range contrast stretch on an image (B)

CONTABLE

Create a contingency table for two classified images (B)

CONVERT

Import or export image using ImageMagick "convert" utility (P)

CONVOLVE

Convolve an image with a set of weights in spatial domain (C)

COPY

Copy an image, with optional data type conversion (B)

CORRECT

Correct MSS image for non-uniform along-line sampling (B)

CORRELATE

Register (sub)images using cross, phase, or edge correlation (B)

CORRPLOT

Create graphic plot of tiepoint correlation results (B)

CORRVIEW

Create single image containing reference and search image neighborhoods for a set of correlated tiepoints (B)

COVAR

Compute the mean vector and covariance matrix of a multiband image (B)

CPYGOF

Copy graphics records from graphics overlay file (B)

CROSSCOR

Perform Fourier-domain auto- and cross-correlation (C)

CWTGEN

Generate weights for spatial domain convolution (C)

DCTFIL

Filter an image using the discrete cosign transform (C)

DCW2TAB

Write Digital Chart of the World data to a labeled table (B)

DDRCHECK

Check DDR for internal consistency and fit with image size (B)

DEBAND

Filter out TM banding pattern (B)

DELDLTF

Delete an entry from a display look-up table file (B)

DELGOF

Delete records or attributes from graphics overlay file (B)

DELTAB

Delete a Labeled Table and any sub-files (B)

DEM2LAS

Ingest DEMs in SDTS or USGS ASCII format from disk file (P)

DEMENTER

Ingest DEM, DDT, or DTED data tapes (B)

DESPIKE

Perform adaptive low-pass filtering to remove image noise (C)

DESTRIPE

Correct Landsat MSS images for detector miscalibration (B)

DESWATH

Remove low-frequency noise, such as TM periodic stripping (B)

DIFF

Summarize differences between two images (B)

DIFFDDR

Report differences between two DDR files (B)

DIVERGE

Calculate standard and transformed divergences between classes in a statistics file (B)

DLTF2PAL

Convert LAS display and lookup table to PAL format (C)

DOQ2GEOTIFF

Convert DOQ file to GeoTiff file in one step (B)

DOQ2LAS

Convert a Digital Orthophoto Quadrangle file to LAS (B)

DOQTIFIN

Import TIFF-format Digital Orthophoto Quadrangle images (P)

DROPHIST

Delete selected records from an image history file (C)

DSPASSOC

Display contents of associated data for non-LAS images (B)

DSPDDR

Display image data descriptor record (DDR) contents (B/P)

DSPGLOB

Display current global parameter values (B)

DSPGOF

Display graphics overlay file (GOF) record information (B)

DSPGRID

Display contents of a geometric mapping grid file (B)

DSPHISTRY

Display the history information for an image (C)

DSPLOG

Print or display a TAE session log (B)

DSPTIE

Display a tie point file (B)

DSPWRT

Display contents of a resampling weight table (B)

EDGEX

Extract image edges using gradient filtering (B)

EDIPSIN

Ingest EDIPS-format MSS or RBV image data tapes (B)

EDIPSOUT

Create an output tape in EDIPS format from an LAS image (B)

EDITCORR

Automatically edit tie points based on correlation results (B)

EDITDDR

Edit contents of image data descriptor record (DDR) file (B/P)

EDITGRID

Edit the contents of a mapping grid file (B)

EDITSTAT

Edit and/or list a statistics file (B)

EDITTIE

Edit the contents of a tie point file (B)

EXPYRAMID

Expand level of Gaussian pyramid to next higher level (B)

FACTOR

Create linear combinations of spectral channels (B)

FASTMAP

Replace a specified grey level value by a new value (C)

FFT1

Compute the one-dimensional FFT of an image (C)

FFT1FIL

Filter an image at specified frequencies (C)

FILEUTIL

Send output report (text) file to requested device(s) (B)

FILLGAPS

Fill gaps in image by interpolation from neighbors (P)

FILM

Format image for later generation of film products (B)

FILTER

Apply low- or high-pass, or median boxcar, filter to image (B)

FIXLIN

Replace blocks of bad image data (B)

FLAG

Renumber connected regions and flag sizes below thresholds (B)

FLIP

Flip an image along its vertical and/or horizontal axes (B)

FRACTVEG

Compute fractional vegetation index from NDVI image (P)

FSTFMTIN

Read EOSAT and other fast format tapes (B)

FSTFMTOUT

Write EOSAT Fast Format B tapes (B)

GAUSTRAN

Apply a Gaussian transfer function to an image (B)

GEOM

Geometrically transform an image using a mapping grid: frontend to RESAMPLE, needed to support existing scripts (P)

GEOTIFFIN

Ingest geotiff image files (B)

GEOTPL

Compute lat/long for tiepoints in georeferenced image (C)

GETBLOB

Identify all contiguous clusters of a given class (C)

GETDATE

Return current date and time to the calling procedure (B)

GETELEV

Extract elevations for a set of tiepoints from DEM data (B)

GETHOST

Get the name of the current host computer (B)

GETIMGSZ

Return image size and data type to LAS procedure (P)

GETLIB

Find the first TAE/LAS library containing a program (B)

GETPARM

Retrieve TAE/LAS parameter from a project parameter file (B)

GETSYMBL

Get Unix environment variable (B)

GOF2STAT

Convert graphics overlay polygon file to a statistics file (B)

GOF2TAB

Convert a graphics overlay file to a Labeled Table (B)

GPYRAMID

Create an element of a Gaussian Pyramid (B)

GRID

Superimpose vertical and horizontal grid lines on an image (C)

GRIDCONV

Convolve two geometric mapping grids into one (B)

GRIDFIT

Fit 4th-degree polynomial warping function to mapping grid (C)

GRIDFORM

Reformat foreign geometric mapping grids into LAS format (B)

GRIDGEN

Generate a mapping grid from transformation coefficients (B)

GRNDSPOT

Output pixel values for selected neighborhoods in image (B)

HAZEBIAS

Apply haze bias to Langley-style tapes output from EDIPS (C)

HINDU

Perform unsupervised clustering initialized by image histogram (B)

HIS

Convert 3-band image between HIS and RGB representations (B)

HISTEQ

Equalizate histograms for each detector in a band (B)

HISTO2

Cenerate two-dimensional histogram in LAS image format (P)

IMDISPLAY

Display an LAS image using the ImageMagick "display" utility (P)

IMG2ASC

Write image pixel values to a file in ASCII format (P)

IMGCMP

Compare two images pixel by pixel (B)

IMGCORNER

Determine actual corner points of image surrounded by fill (B)

INPEDDR

Update DDR for image read from INPE fast format tape (B)

INSERT

Insert polygonal areas from one image into another image (B)

INTERSECT

Tally pixel value n-tuples of n band image set (B)

IPMATH

Compile statistics for each pixel of multi-band image (B)

ISOCLASS

Cluster image data using an iso-data type algorithm (B)

JSCGRID

Make mapping grid to convert JSC-format MSS image to UTM (B)

JSCIN

Ingest JSC-format Landsat tapes (B)

JSCPROC

Resample JSC-format MSS tapes to UTM -- cf. JSCGRID (B)

JULDATE

Convert Julian date to mm dd yy format (B)

KARLOV

Perform Karhunen-Loeve principal components transform (B)

KERNL

Generate resampling weights from point spread functions (C)

KMEANS

Cluster image data using Euclidean distance (B)

LAS2ARC

Convert LAS image to Arc/Info Grid or Grid-stack (P)

LAS2GEOTIFF

Convert LAS image to geoTIFF image (C)

LAS2NDF

Output image in NLAPS (Nat'l Landsat Archive) format (B)

LAS2TIFF

Convert LAS image to TIFF grayscale or palatte-color image (C/P)

LASAWK

Extract a substring from an ASCII file (B)

LASDOC

Display hypertext version of LAS documentation (B/P)

LASGBLS

Define global TAE parameters for LAS system (B/P)

LASINFO

Provide general information about LAS and its usage (P)

LASLOGOFF

Perform LAS-specific functions when exiting from TAE (B/P)

LASLOGON

Perform LAS-specific functions at TAE/LAS startup (B/P)

LASSHELL

Return Unix shell command output in a TAE/LAS variable (C)

LINEREPT

Replace bad lines caused by defective detector (B)

LIST

List pixel values within specified image window (B)

LNFILL

Fill blocks of bad lines with values from adjacent lines (B)

LOGICAL

Perform logical comparisons between image and constants (B)

LOWCAL

Replace each pixel by result of operation on neighborhood (B)

LS2PC

Convert image (line, sample) to projection coordinates (B)

LSTDLTF

List one or more display and lookup table (DLTF) entries (B)

LT

Display the tutorial on Labeled Table usage (B)

LTWG2IN

Ingest EOSAT LTWG full-scene formatted tapes (B)

LTWGIN

Ingest LTWG-format full scene from tape, disk, or CD (B)

MAGNIFY

Resample image to increase or decrease pixel dimensions (B)

MAKEIMG

Create a LAS image from values in an ASCII text file (B)

MAKELINK

Create symbolic link and allocate space for a data file (C)

MAP

Perform piecewise-linear intensity transformation on image (B)

MAPFILE

Create piecewise-linear transformation to match histograms (B)

MAPPER

List size and other attributes of disk or tape file (B)

MAPPTS

Enter ground control point coordinates into tie-point file (B)

MASK

Mask an image using polygonal sites from a statistics file (B)

MASKSTAT

Calculate statistics for image subareas using class mask (B)

MATH

Perform mathematical and logical operations on two images (B)

MATH2

Perform mathematical operations on two or more image bands, including sum, average, ratio, and max/min, with masking (B/P)

MATRIX

Multiply n-band input by m x n matrix to get m-band output (B)

MERGEFOUR

Seamlessly merge a two-by-two array of overlapping images (P)

MINDIST

Classify image using Euclidean or city-block minimum distance (B)

MINMAX

Determine minimum and maximum value for each band of image (B)

MSSCOLOR

Create simulated natural color image from MSS image (B)

MTP2TPL

Convert Merged Tie Point file to Tie Point Location file (B)

MTPGRID

Create a grid of tie points at specified intervals (B)

MTPZIP

Combine two Merged Tie Point files from different sources (B)

MULTIPLY

Compute the pixel-by-pixel product of up to ten images (B)

NDFIN

Ingest NLAPS Data Format (NDF) files (B)

NEIGHBOR

Compile statistics for circular area around each pixel (C)

NOMFIL

Iterate nominal filtering to adjust class regions (B)

NORMD

Compute normalized difference for one or more band pairs (B)

NUT

Start LAS New User Tutorial (B)

OVERLAY

Create output image based on logical relation(s) between greylevel ranges of corresponding pixels of input images (B)

PDFOFF

Create PDF file recreating commands run since last PDFON (C)

PDFON

Set start time TAE/LAS command log (used by PDFOFF) (C)

PERSPEC

Generate a perspective image (B)

PICSHADE

Create shaded terrain image or add highlights and shadows to an existing image (B)

PIXCOUNT

Compile histogram and pixel statistics for each image band (B)

PIXFILL

Fill window(s) in a LAS image with a specified value (B)

PIXSERT

Insert rectangular or circular region(s) into an image (B)

PIXSTAT

Compile statistics using value(s) in first band as mask (B)

PLENTER

Read Landsat MSS scenes from CCTX formated tapes (B)

POLYFIT

Fit polynomial to tiepoint files to create mapping grid (B)

POWER

Raise image pixel values to a specified power (C)

PRINTIMG

Convert a LAS image to postscript and print it (C)

PROCHECK

Check the syntax of a procedure PDF file (B)

PROJPRM

Create entry in geographic Projection Definition file (B)

PUTPARM

Place a TAE/LAS parameter into a project parameter file (B)

RADIOM2

Apply radiometric look-up tables to BYTE image (B)

RANDSAMP

Randomly extract rectangular pixel blocks from an image (B)

RANDSEL

Copy randomly-selected non-masked pixels (B)

REAL2STR

Convert a real value to a string (C)

RECLASS

Perform post-classification smoothing of an image (B)

REDIST

Remap grey level values to give a uniform histogram (C)

REDIST2

Remap non-masked grey-level values to uniform histogram (C)

REGISTER

Register an image to a map or another image (B)

REGLABEL

Demarcate continguous regions having same pixel values (B)

REGRID

Convert image to new scale and/or projection weighting each input pixel by area of overlap with output pixel (P)

RELDRIVE

Release or close a tape drive (B)

RELIEF

Correct image GCP coordinates for relief displacement (B)

RELIEF2

Correct GCP for relief displacement with off-center nadir (B)

RELIEFX

Correct GCP for relief displacement in geometrically corrected Landsat images (B)

REMAP

Create mapping grid to transform between projections or register images (B)

REMOVE_FROM_LIST

Remove an item from a list of items (B)

RENUMBER

Remap selected grey level values to new values (B)

RESAMPLE

Geometrically transform an image using a mapping grid or input/output projection specifications (B)

RESIZE

Delete every n-th line and m-th sample from an image (B)

RGB2CMYK

Convert RGB input image to CMYK output (B)

ROTATE

Rotate an image by a specificed angle (B)

ROTRNSCL

Create mapping grid to perform an affine transformation on an image by rotating, translating, and/or scaling it (B)

RTABLE

Generate a table of resampling weights (B)

SARTOPO

Calculate radar viewing angles and range vectors (B)

SCALE

Linearly scale radiometric values with optional clipping (C)

SCATTER

Create printable scatter plot from two image channels (B)

SEARCH

Search image for acceptably homogeneous training sites (B)

SEGMREPR

Repair bad image rectangles using neighbors or constant (B)

SMOOTH

Smooth image by replacing flagged pixels by neighbors (B)

SPECCOMB

Combine outputs from multilevel image classification (B)

SPECSTRT

Segregate pixels based on first-level classification (B)

SPLITNAME

Split file name into directory, root name, and extension (B)

SPOTHDF2LAS

Ingest SPOT Vegetation HDF image (B)

SPREAD

Generate buffer zones around pixels having specified value (B)

STAT2GOF

Create graphics overlay file from statistics file polygons (B)

STAT2TAB

Convert a LAS statistics file to a labeled table file (B)

STATS

Compute statistics for training sites defined by polygons (B)

STEREO

Create left stereo pair complement for an image (B)

STRETCH

Generate lookup table for specified contrast stretch mode (C)

SUBSTR

Return a substring of a TAE variable in a TAE variable (B)

SUBSTRI

Return a substring of a TAE variable in a NAME parameter (B)

SURFACE

Fit gridded surface to elevation-dependent observations from scattered stations (P)

SYSSAMP

Extract blocks from image at uniform set of offsets (B)

TAB2ASC

Convert a labeled table file to an ASCII file (B)

TAB2GOF

Convert a Labeled Table to a graphics overlay file (B)

TAB2RAS

Rasterize vector data from a labeled table file (B)

TAB2STAT

Create statistics file from labeled table file (B)

TAB2TIE

Create tiepoint selection file from labelled table file (B)

TAETUTOR

Start tutorial on the TAE environemnt for LAS (B)

TAPE_LABEL

Create a library tape label for an output tape (B)

TAPEIN

Read one or more LAS-format image files from tape (B)

TAPEOUT

Output one or more LAS images to tape (B)

TASSELCP

Use tasselcap transform to get brightness, greenness, and wetness bands (B)

TESTGEN

Create uniform, wedge, random, or guassian test image (B)

TEXTURE

Calculate any of 8 local texture measures for an image (B)

TICMARK

Insert tic-marks or grid lines into an image (B)

TIE2TAB

Convert a tie point file to a labeled table file (B)

TIEMERGE

Merge two tie point selection files (B)

TIEPTS

Interactively select tiepts from image(s) and/or map (B)

TIFF2LAS

Convert a TIFF file to LAS (C)

TOJULIAN

Convert a gregorian date to a julian date (B)

TOPO

Compute slope, aspect, or contours of an image (B)

TPL2MTP

Convert Tie Point Location file to Merged Tie Point file (B)

TPL2PCS

Create SPOT PCS control point file from LAS tie point location file (C)

TPL2TPS

Remove inactive points from Tie Point Selection file (B)

TPLMAP

Remap tie point coordinates using geometric mapping grid (B)

TPLPOLY

Adjust all coordinates of tie point location file using polynomial coefficeints from mapping grid (C)

TPLSCALE

Multiply coordinates in a tie point location file by a constant (B)

TPS2PPF

Copy tie point coordinates to ASCII project parameter file (B)

TRANCOORD

Transform coordinates from one map projection to another (B)

TRANSLAS

Convert between LAS image files and transfer-format files (B)

TRIG

Compute arcsin, arccos, or arctan for one or two images (B)

TSCLASS

Classify training sites using Bayes or Minimum Distance (C)

UHIST

Create a gradient/uniformity image and its histogram (C)

UNARY

Compute sin, cos, log, exp, not, or linear scaling of image (B)

UNILUT

Generate or edit a display look-up table (C)

UNKNOWN

Reassign low probability pixels to unknown class (B)

VERIFY

Compute error statistics of registration verification points (B)

VERIFY2

Compute statistics on residuals between tie points (B)

WAVEMERGE

Merge high resolution data into a lower resolution RGB image using wavelets (B)

WHATSNEW

Summarize new features in most recent LAS release (P)

WINDOP

Subsample image using neighborhood mean, max, or min (B)

XCORRECT

Perform systematic corrections on MSS scan lines (B)

XID

Display, manipulate, and analyze image using X-windows (B)

XRECTIFY

Create mapping grid to transform image to new projection (B)

XUTM

Create a Mapping Grid to convert CCT-X MSS scene to UTM (B)

ZIP

Modify pixel values within polygonal sites (B)

ZOOM

Expand or reduce image by pixel replication or deletion (B/P)