Alphabetical Listing of LAS Modules (click here for local LAS modules)
4digityr Converts a 2 or 3 digit year to 4 digits
abs Computes the absolute value of the pixels in an image
add2stat Combines some or all classes in a statistics file with those of another
albedo Converts Landsat image pixels into physical radiance values
annotate Inserts annotation into an image at specified locations
arc2las Creates a LAS image and associated files from an Arc Grid coverage
asc2tab Converts an ASCII data file to a labeled table (LT)
autofit Edits a set of tie points from a tie point location (TPL) file by rejecting points with high residuals
bandratio Computes the ratio of one band to the weighted sum of several bands
bayes Performs a Bayesian classification
bdist Calculates BHATTACHARYYA distances between pairs of classes
canal Performs canonical analysis/transformation on a multi-band image
ccttipsp Reads the Ptype Thematic Mapper (TM) scenes that are recorded as quadrants
cib2las Ingest a CIB image into a LAS format image
ckdrive Check the drive to determine if it is mounted and at the BOT (Beginning of Tape)
classmap Creates a color coded image on disk
clust2spec Converts a 6 or 12 band CLUSTER image to a Spectrum format image
cluster Performs an unsupervised classification using a modified isodata type clustering algorithm
cmalias Creates, deletes, or lists aliases
cmcopy Copies disk files
cmdel Deletes directories or cataloged files
cmexist Check for the existance of a file or directory
cmhost Convert a LAS file name to a host file name
cmlas Convert a host file name to a LAS file name
cmlist Lists the disk files
cmmkdir Creates directory
cmrename Renames disk files
cmset Sets default directory
cmshow Shows current working directory
cmstatus Determine if a file or directory exists
combine Combine data from user supplied ASCII/labeled table files
complex Combines two images (real and imaginary) to form a complex output image
compol Combines two images (magnitude and phase) to form a complex output image
composit Generates a composite using up to fifty different images
comsep Separates the real and imaginary components of a complex image
concat Sequentially concatenates and/or overlays a list of input images
conj Computes the pixel-by-pixel complex conjugate of a complex-valued image
constretch Local range modification (LRM) contrast stretch
contable Generates a contingency table from two input images
copy Copies and converts an image
correct Performs alongline systematic corrections on full-sized, nongeometrically corrected MSS data
correlate Performs registration refinement based on grey-level or edge correlation
corrplot Displays correlation residual plots
corrview Creates an image of tie point pairs with tie points marked as a box
covar Computes the mean vector and covariance matrix of a multi-band image
cpygof Copies graphics records from a graphics overlay file (GOF) into another GOF
dcw2tab Writes Digital Chart of the World (DCW) data to a labeled table
ddrcheck Validate the contents of a DDR file against the contents of the image
deband Filter to remove the banding pattern from Landsat TM images
deldltf Deletes an entry from a look-up table
delgof Deletes records or attributes from a graphics overlay file (GOF)
deltab Deletes a labeled table and its subfiles
dementer Reads DEM, DTT, or DTED format tapes into LAS
destripe Generates statistics and corrects for detector miscalibration in Landsat images
deswath Performs onedimensional filtering of an image
diff Performs a comparison between two images
diffddr Compare multiple DDR's
ditto Manipulates magnetic tapes and disk files
ditto_alloc DITTO command ---- Alocate a DITTO device
ditto_bsf DITTO command ---- Back Space Files
ditto_bsr DITTO command ---- Back Space Records
ditto_copy DITTO command ---- Copy from input device to output device
ditto_dealloc DITTO command ---- Deallocate DITTO device(s)
ditto_dump DITTO command ---- Print file contents of a DITTO device
ditto_fsf Forward skip files on a tape device
ditto_fsr Forward space records on a DITTO device
ditto_mapper DITTO -- Mapper Routine
ditto_rewind DITTO command -- Rewind the DITTO input/output device
ditto_scan DITTO command -- Scan file for a string
ditto_status DITTO command -- Display status of DITTO input/output devices
ditto_verify DITTO command -- Verify DITTO devices
ditto_weof DITTO command -- Write EOF marks to the output tape
dittolbl DITTO command ---- Print a tape label for an output device
diverge Calculates standard or transformed divergences between pairs of classes
doq2las Convert a Digital Orthophoto Quadrangle (DOQ) into LAS
dspassoc Displays the contents of associative files
dspddr Prints out the contents of the input DDR file
dspglob Displays current global parameter values
dspgof Displays graphics overlay file (GOF) record information to the terminal, line printer, or user-specified file.
dspgrid Displays grid and transformation information in a grid file
dsplog Print or display a TAE session log
dsprwt Displays the contents of a resampling weight table file
dsptie Displays tie point files to terminal, disk, or printer
edgex EDGEX performs edge extraction on an image by applying a gradient operator which accentuates regions of rapid change and then applys a thresholding, resulting in an edged image
edipsin Creates a LAS image from an EROS Digital Image Processing System (EDIPS) tape
edipsout Creates an output tape in EDIPS 0.0 format from an input LAS image
editcorr Automatically edits a set of tie points
editddr Edits the contents of the input DDR file
editgrid Edits the contents of a grid file
editstat Edits and/or lists a statistics file
edittie Edits a tie point selection file, tie point location file, or a merged tie point file
expyramid Upsamples an element of a Gaussian Pyramid to the next higher level
factor Performs linear transformations on images
fileutil Write a file to the terminal, line printer, and/or output file
film Formats images on disk for later generation of film products
filter Performs a lowpass, highpass, or median filter
fixlin Replaces blocks of bad image data
flag Flags regions whose areas fall below specified thresholds.
flip Rotates an image 90, 180, or 270 degrees, or flips or mirrors it
fstfmtin Utility to read EOSAT Fast Format tape(s)
fstfmtlbl Initialize tape label generation and call FSTFMTOUT
fstfmtout Utility to write EOSAT Fast Format B tapes
gaustran Applies a Gaussian transfer function to an image
geom Geometric rectification program
geotiffin Convert a geoTIFF file to a LAS image
getdate Find the current date and time and return it to the calling procedure
getdrive Get and open a tape drive
getelev Gets the elevation of a tie point from a DEM image file
gethost Get the host name
getlib Find the TAE library where a program resides
getparm Retrieves a TAE parameter from a project parameter file
getsymbl Return the value of a VMS symbol, VMS logical, or UNIX environment variable
gof2stat Converts a GOF polygon file to a stats file
gof2tab Converts a graphics overlay file (GOF) to a labeled table (LT)
gpyramid Creates an element (image) of a Gaussian Pyramid
gridconv Convolves two geometric mapping grids into a single grid
gridform Generates a geometric mapping grid from other mapping grid formats
gridgen Generates a geometric mapping grid from transformation coefficients
grndspot Outputs the grey-level values of specified image pixels
hindu Unsupervised classification based upon an image's multidimensional histogram
his Translates RGB inputs into HIS outputs or vice versa
histeq Performs histogram equalization to correct images with regular striping
hrptcal Calibrates HRPT data from NOAA 6 through 14
imgcmp Compares two images, pixel by pixel, to determine if they are identical
imgcorner Determines the actual corner points of image data which is surrounded by fill
inpeddr Updates the DDR for a LAS image ingested from an Instituto Nacional de Pesquisas Espaciais (INPE) Fast Format tape
insert Places polygonal areas of image data from one image into another image
intersect Overlays input images to generate gray level permutation codes
ipmath Performs mathematical and statistical functions on an image(s)
isoclass Performs an unsupervised classification using an Isodata algorithm
jscgrid Creates a geometric mapping grid file for systematically corrected MSS scenes
jscin Reads Johnson Space Center (JSC) formatted tapes
jscproc Reads MSS 4/5 data in the JSC format and geometrically rectifies it the image
juldate Convert a julian date to a standard format: mm dd yy
karlov Performs a KarhunenLoeve transformation on a multi-band image
kmeans Performs a clustering classification on an input image
las2arc Creates an Arc Grid coverage from a LAS image
las2geotiff Convert a LAS file to GeoTIFF
las2ndf Convert LAS image(s) to NLAPS Data Format (NDF) files
las2tiff Convert a LAS file to TIFF
lasawk Search the contents of a file for a specified text string
lasgbls Global TAE parameters for LAS system
laslogoff This proc is invoked by SLOGOFF procedure
laslogon This proc is envoked by SLOGON procedure
linerepr Replaces cyclic missing lines of data by averaging
list Generates a printer or terminal listing of pixel values of an image
lnfill Corrects blocks of lines of data by averaging and neighboring
logical Performs logical comparisons on input images
lowcal Performs selected local slidingwindow operations on an image
ls2pc Converts line/sample coordinates to projection coordinates
lstdltf Prints a list of all entries in a DLTF
lt Display the LT overview
ltwg2in Reads Landsat LTWG full-scene formatted tapes and creates a LAS image
ltwgin Application to read EOSAT LTWG full-scene formatted tapes
magnify Performs fractional zooming along horizontal and/or vertical image axes
makeimg Creates a LAS image from a user-defined ASCII or text file
map Performs a piecewise linear transformation on an input image
mapfile Matches two histograms created by pixcount according to the cumulative percentages
mapper Lists the physical characteristics of tapes, LAS image files, or nonimage disk files
mappts Maps ground control point collection function
mask Applies polygonal masks to an image
maskstat Calculates class statistics of a multispectral image via a classified image mask
math Performs mathematical functions on two images
math2 Performs mathematical functions on an image
matrix Applies a matrix of coefficients to the input image
mindist Performs classification based on minimum distance from class means
minmax Determines the minimum and maximum values in an image
msscolor MSSCOLOR extrapolates from all MSS channels to generate a blue band and a simulated natural color image
mtp2tpl Converts a Merged Tie Point (MTP) file to a Tie Point Location (TPL) file
mtpgrid Creates a grid of tie points at user-specified intervals
mtpzip Combine two Merged Tie Point (MTP) files
multiply Computes the pixelbypixel product of up to ten input images
ndfin Reads TM and MSS images from NLAPS Data Format (NDF) tapes and converts them to LAS a image
ndfout Write LAS image(s) to NLAPS Data Format (NDF) tape(s)
nomfil Performs stepwise nominal filtering using REGLABEL, FLAG
normd Calculate a normalized difference image
nut LAS new user tutorial
overlay Creates an output image from the logical relationship between two input images
perspec Generates a threedimensional image
picshade Creates a shaded terrain image or modify an image for sun illumination
pixcount Generates a histogram or pixel count listing
pixfill Fill a maximum of ten windows in a LAS image with a user specified value
pixsert Insert blocks of pixels into an existing or a constant valued image
pixstat Generates statistics for user-specified pixel values
plenter Reads Landsat MSS scenes from CCTX formatted tapes
polyfit Generates a geometric mapping grid file from tie point pairs
procheck Checks the syntax of procedure PDF files
proclib Lists the library location of each program called by a TAE procedure
projprm Creates a projection definition file
projwind Creates an alias with a window specification from projection coordinates
putparm Places a TAE parameter into a project parameter file
radiom2 Applies radiometric look-up tables (RLTs) to a byte image
randsamp Randomly selects a given percentage of predetermined pixel blocks
randsel Randomly selects pixels from an input image and copies them to an output image reclass Smooths a classified image using a mode filter
register Image registration routine
reglabel Labels each contiguous region in an image
reldrive Release or close a tape drive
relief Corrects ground control points for relief displacement
relief2 Corrects ground control points for relief displacement
reliefx Corrects ground control points for relief displacement errors for Landsat 1, 2, and 3 MSS CCT-X data
remap Changes the map projection of an image
renumber Renumbers specified pixel values
resample Geometric rectification program with optional terrain correction
resize Copy an image iteratively skipping user specified lines and/or samples
rgb2cmyk Translates RGB input into CMYK output
rotate Rotates an image by a specified angle
rotrnscl Defines rotation, translation, and scaling of an image
rtable Generates a resampling weight table file
sartopo Calculates radar viewing angles and range vectors
scatter Creates a scatter plot of the data in two bands on an input image
search Performs unsupervised training site selection
segmrepr Repairs lines or segments in a given image with a constant or by averaging
setapin Sets parameter values for module tapein
setapout Sets parameter values for module tapeout
smooth Smooth image, replacing flagged pixels with neighboring values
speccomb Combines Level I and Level II classification images
specstrt Stratifies a multispectral image based on the strata defined in a classified categorized image
splitname Split a file name into a directory, root name, and extension
spothdf2las Convert SPOT Vegetation HDF file(s) to LAS image(s)
spread Generates buffer zones around target pixels in an image
stat2gof Converts polygon information from a statistics file to a GOF
stat2tab Converts a LAS statistics file to a labeled table (LT)
stats Computes statistics for training sites and classes
stereo Stereo Pair Generator
substr Return a substring of a TAE variable
substri Extract a substring and return the result in a name parameter
syssamp Performs systematic pixel or cluster sampling of an image
tab2asc Converts a labeled table (LT) file to an ASCII data file
tab2gof Converts a labeled table (LT) file to a graphics overlay file (GOF)
tab2ras Converts vector data stored in a labeled table to a raster image
tab2stat Converts a labeled table (LT) file to a statistics file
tab2tie Converts a labeled table (LT) file to a tie point selection file
taetutor Tutor on the Transportable Applications Environment (TAE)
tapein Inputs multiple image files on tape into LAS images
tapelabel Create a label for a tape
tapelbl Initialize tape label generation and call TAPEOUT
tapeout Outputs multiple LAS images onto tape
tasselcp Generates a tasseled cap image from either an MSS or TM image
testgen Generates test images
texture Performs texture analyses on a multi-band image
ticmark Places tic-marks in an image
tie2tab Converts a tie point file to a labeled table (LT)
tiemerge Merges two tie point selection files
tiepts An interactive system for the selection of tie points
topo Generates a slope, aspect, or contour image or calculates beta angles
tpl2mtp Converts a Tie Point Location file to a Merged Tie Point file
tpl2tps Removes inactive points from the input reference/search Tie Point Selection (TPS) files and creates new reference/search TPSfiles
tplmap Maps tie point coordinates using a geometric mapping grid
tplscale Scale a Tie Point Location (TPL) file's active search and reference coordinates
tps2ppf Copies Tie Point coordinates to an ASCII project parameter file
trancoord Converts coordinates from one coordinate system to another
translas Converts between disk files and LAS image files
translas5 Converts a LAS 6.0 or newer image into a LAS 5.0 image
trig Performs chosen trigonometric function on one or two imput images
unary Performs several unary operations on an image
unknown Reassigns low probability pixels to unknown class
verify Reports statistics for verification points
verify2 Computes statistics on residuals between tie points
windop Performs systematic pixel or cluster averaging of an image
xcorrect Performs along-line systematic corrections on full-sized, non-geometrically corrected MSS data
xid X-windows image display(UNIX command line only)
xrectify Generates a geometric mapping grid that defines the transformation from the current map projection an image is currently in to another map projection
xutm Creates a geometric mapping grid file from systematically corrected CCT-X MSS
zip Perform mappings on selected classes and selected training sites of an image
zoom Changes the scale of an image by replicating or deleting pixels