Kappa applications may be classified in terms of their functions as follows.
CREFRAME | Generates a test two-dimensional NDF from a selection of several types. |
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FITSDIN | Reads a FITS disc file composed of simple, group or table objects. |
FITSHEAD | Lists the headers of FITS files. |
FITSIMP | Imports FITS information into an NDF extension. |
FITSIN | Reads a FITS tape composed of simple, group or table files. |
MATHS | Evaluates mathematical expressions applied to NDF data structures. |
TRANDAT | Converts free-format data into an NDF. |
FITSEDIT | Edits the FITS extension of an NDF. |
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FITSEXP | Exports NDF-extension information into an NDF FITS extension. |
FITSMOD | Edits an NDF FITS extension via a text file or parameters. |
FITSTEXT | Creates an NDF FITS extension from a text file. |
FITSWRITE | Writes a new keyword to the FITS extension. |
CARPET | Creates a cube representing a carpet plot of an image. |
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COLCOMP | Produces a colour composite image from 1, 2 or 3 individual NDFs. |
HISTEQ | Performs an histogram equalisation on an NDF. |
LAPLACE | Performs a Laplacian convolution as an edge detector in a two-dimensional NDF. |
SHADOW | Enhances edges in a two-dimensional NDF using a shadow effect. |
THRESH | Edits an NDF such that array values below and above two thresholds take constant values. |
GDNAMES | Shows which graphics devices are available. |
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GDSET | Selects a current graphics device. |
CURSOR | Reports the co-ordinates of points selected using the cursor. |
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GDCLEAR | Clears a graphics device and purges its database entries. |
GDSTATE | Shows the current status of a graphics device. |
PICBASE | Selects the BASE picture from the graphics database. |
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PICCUR | Uses a cursor to select the current picture. |
PICDATA | Selects the last DATA picture from the graphics database. |
PICDEF | Defines a new graphics-database FRAME picture or an array of FRAME pictures. |
PICEMPTY | Finds the first empty FRAME picture in the graphics database. |
PICENTIRE | Finds the first unobscured and unobscuring FRAME picture in the graphics database. |
PICFRAME | Selects the last FRAME picture from the graphics database. |
PICGRID | Creates an array of FRAME pictures. |
PICIN | Finds the attributes of a picture interior to the current picture. |
PICLABEL | Labels the current graphics-database picture. |
PICLAST | Selects the last picture from the graphics database. |
PICLIST | Lists the pictures in the graphics database for a device. |
PICSEL | Selects a graphics-database picture by its label. |
PICTRANS | Transforms co-ordinates between the current and BASE pictures. |
PICVIS | Finds the first unobscured FRAME picture in the graphics database. |
PICXY | Creates a new picture defined by co-ordinate bounds. |
LUTABLE | Manipulates an graphics device colour table. |
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LUTBGYRW | Loads the BGYRW lookup table. |
LUTCOL | Loads the standard colour lookup table. |
LUTCOLD | Loads the cold lookup table. |
LUTCONT | Loads a lookup table to give the display the appearance of a contour plot. |
LUTEDIT | Creates or edits an graphics device colour table. |
LUTFC | Loads the standard false-colour lookup table. |
LUTGREY | Loads the standard grey-scale lookup table. |
LUTHEAT | Loads the heat lookup table. |
LUTIKON | Loads the default Ikon lookup table. |
LUTNEG | Loads the standard negative grey-scale lookup table. |
LUTRAMPS | Loads the coloured-ramps lookup table. |
LUTREAD | Loads an graphics device lookup table from an NDF. |
LUTSAVE | Saves the current colour table of an graphics device in an NDF. |
LUTSPEC | Loads a spectrum-like lookup table. |
LUTVIEW | Draws a colour-table key. |
LUTWARM | Loads the warm lookup table. |
LUTZEBRA | Loads a pseudo-contour lookup table. |
ARDPLOT | Plots the boundaries of regions described in an ARD file over an existing picture. |
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CLINPLOT | Draws a spatial grid of line plots for an axis of a cube NDF. |
CONTOUR | Contours a two-dimensional NDF. |
DISPLAY | Displays a one- or two-dimensional NDF. |
DRAWNORTH | Draws arrows parallel to the axes. |
DRAWSIG | Draws $\pm n$ standard-deviation lines on a line plot. |
ELPROF | Creates a radial or azimuthal profile of a two-dimensional image. |
LINPLOT | Draws a line plot of the data values in a one-dimensional NDF. |
LISTSHOW | Displays the positions stored in a positions list. |
LOOK | Outputs the values of specified NDF pixels to the screen or a text file. |
MLINPLOT | Draws a multi-line plot of the data values in a two-dimensional NDF. |
OUTLINE | Draws the outline of a two-dimensional NDF. |
SCATTER | Displays a scatter plot between data in two NDFs. |
VECPLOT | Plots a two-dimensional vector map. |
PALDEF | Loads the default palette to a colour table. |
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PALENTRY | Enters a colour into an graphics device’s palette. |
PALREAD | Fills the palette of a colour table from an NDF. |
PALSAVE | Saves the current palette of a colour table to an NDF. |
ADD | Adds two NDF data structures. |
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CADD | Adds a scalar to an NDF data structure. |
CDIV | Divides an NDF by a scalar. |
CMULT | Multiplies an NDF by a scalar. |
CSUB | Subtracts a scalar from an NDF data structure. |
CUMULVEC | Sums the values cumulatively in a one-dimensional NDF. |
DIV | Divides one NDF data structure by another. |
EXP10 | Takes the base-10 exponential of each pixel of an NDF. |
EXPE | Takes the exponential of each pixel of an NDF (base $e$). |
EXPON | Takes the exponential (specified base) of each pixel of am NDF. |
LOG10 | Takes the base-10 logarithm of each pixel of an NDF. |
LOGAR | Takes the logarithm of each pixel of an NDF (specified base). |
LOGE | Takes the natural logarithm of each pixel of an NDF. |
MAKESNR | Creates a signal-to-noise array from an NDF with Variance. |
MATHS | Evaluates mathematical expressions applied to NDF data structures. |
MULT | Multiplies two NDF data structures. |
POW | Takes the specified power of each pixel of a data array. |
SUB | Subtracts one NDF data structure from another. |
TRIG | Performs a trigonometric transformation on an NDF. |
CALPOL | Calculates polarisation parameters. |
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COLCOMP | Produces a colour composite image from 1, 2 or 3 individual NDFs. |
INTERLEAVE | Forms a higher-resolution NDF by interleaving a set of NDFs. |
KSTEST | Compares data sets using the Kolmogorov-Smirnov test. |
NORMALIZE | Normalises one NDF to a similar NDF by calculating a scale factor and zero difference. |
WCSMOSAIC | Tiles a group of NDFs using World Co-ordinate System information. |
CARPET | Creates a cube representing a carpet plot of an image. |
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CHANMAP | Creates a channel map from a cube NDF by compressing slices along a nominated axis |
COLLAPSE | Reduces the number of axes in an NDF by collapsing it along a nominated axis. |
COMPADD | Reduces the size of an NDF by adding values in rectangular boxes. |
COMPAVE | Reduces the size of an NDF by averaging values in rectangular boxes. |
COMPICK | Reduces the size of an NDF by picking equally spaced pixels. |
INTERLEAVE | Forms a higher-resolution NDF by interleaving a set of NDFs. |
NDFCOMPRESS | Compresses an NDF so that it occupies less disk space. |
PIXDUPE | Expands an NDF by pixel duplication. |
PLUCK | Plucks slices from an NDF at arbitrary positions. |
REGRID | Uses an arbitrary mapping to regrid an NDF. |
SQORST | Squashes or stretches an NDF. |
WCSALIGN | Aligns a group of NDFs using WCS information. |
CHAIN | Concatenates a series of vectorized NDFs. |
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FLIP | Reverses an NDF’s pixels along a specified dimension. |
MANIC | Converts all or part of an NDF from one dimensionality to another. |
NDFCOPY | Copies an NDF (or NDF section) to a new location. |
PERMAXES | Permutes the axes of an NDF. |
PLUCK | Plucks slices from an NDF at arbitrary positions. |
PROFILE | Creates a one-dimensional profile through an n-dimensional NDF. |
REGRID | Uses an arbitrary mapping to regrid an NDF. |
RESHAPE | Reshapes an NDF, treating its arrays as vectors. |
ROTATE | Rotates a two-dimensional NDF about its centre through any angle. |
SETBOUND | Sets new bounds for an NDF. |
SLIDE | Shifts pixels in an NDF by a given amount along each axis. |
WCSSLIDE | Applies a translational correction to the WCS in an NDF. |
BLOCK | Smooths an NDF using an n-dimensional rectangular box filter. |
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CONVOLVE | Convolves a pair of one- or two-dimensional NDFs together. |
FFCLEAN | Removes defects from a substantially flat one- or two-dimensional NDF. |
FOURIER | Performs forward and inverse Fourier transforms of one- or two-dimensional NDFs. |
GAUSMOOTH | Smooths a one- or two-dimensional image using a Gaussian filter. |
LUCY | Performs a Richardson-Lucy deconvolution of a one- or two-dimensional array. |
MEDIAN | Smooths a two-dimensional data array using a weighted median filter. |
MEM2D | Performs a Maximum-Entropy deconvolution of a two-dimensional NDF. |
ODDEVEN | Removes odd-even defects from a one-dimensional NDF. |
WIENER | Applies a Wiener filter to a one- or two-dimensional array. |
ERASE | Erases an HDS object. |
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NATIVE | Converts an HDS object to native machine data representation. |
NDFCOMPRESS | Compresses an NDF so that it occupies less disk space. |
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NDFCOPY | Copies an NDF (or NDF section) to a new location. |
PERMAXES | Permutes the axes of an NDF. |
QUALTOBAD | Assigns bad values to pixels with given qualities. |
REMQUAL | Removes named qualities stored in an NDF QUALITY component. |
SETBAD | Sets new bad-pixel flag values for an NDF. |
SETBB | Sets a new value for the quality bad-bits mask of an NDF. |
SETBOUND | Sets new bounds for an NDF. |
SETORIGIN | Sets a new pixel origin for an NDF. |
SETQUAL | Assigns a specified quality to selected pixels within an NDF. |
SETTYPE | Sets a new numeric type for the DATA and VARIANCE components of an NDF. |
SETVAR | Sets new values for the VARIANCE component of an NDF data structure. |
SHOWQUAL | Displays the named qualities stored in an NDF QUALITY component. |
AXCONV | Expands spaced axes in an NDF into the primitive form. |
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AXLABEL | Sets a new label value for an axis within an NDF data structure. |
AXUNITS | Sets a new units value for an axis within an NDF data structure. |
PERMAXES | Permutes the axes of an NDF. |
SETAXIS | Sets values for an axis array component within an NDF data structure. |
SETNORM | Sets a new value for one or all of an NDF’s axis-normalisation flags. |
SETLABEL | Sets a new label for an NDF data structure. |
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SETTITLE | Sets a new title for an NDF data structure. |
SETUNITS | Sets a new units value for an NDF data structure. |
FITSEDIT | Edits the FITS extension of an NDF. |
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FITSEXIST | Inquires whether or not a keyword exists in a FITS extension. |
FITSEXP | Exports NDF-extension information into an NDF FITS extension. |
FITSLIST | Lists the FITS extension of an NDF. |
FITSMOD | Edits an NDF FITS extension via a text file or parameters. |
FITSTEXT | Creates an NDF FITS extension from a text file. |
FITSVAL | Reports the value of a keyword in the FITS extension. |
FITSWRITE | Writes a new keyword to the FITS extension. |
SETEXT | Manipulates the contents of a specified NDF extension. |
SETSKY | Stores WCS Information in an NDF. |
HISCOM | Adds commentary to the history of an NDF. |
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HISLIST | Lists NDF history records. |
HISSET | Sets the NDF history update mode. |
PROVADD | Stores provenance information in an NDF. |
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PROVMOD | Modifies provenance information for an NDF. |
PROVREM | Removes selected provenance information from an NDF. |
PROVSHOW | Displays provenance information for an NDF. |
PERMAXES | Permutes the axes of an NDF. |
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WCSADD | Creates a Mapping and optionally adds a new co-ordinate Frame into the WCS component of an NDF. |
WCSALIGN | Aligns a group of NDFs using WCS information. |
WCSATTRIB | Manages attribute values associated with the WCS component of an NDF. |
WCSCOPY | Copies WCS information from one NDF to another. |
WCSFRAME | Changes the current co-ordinate Frame in the WCS component of an NDF. |
WCSMOSAIC | Tiles a group of NDFs using World Co-ordinate System information. |
WCSREMOVE | Removes co-ordinate Frames from the WCS component of an NDF. |
WCSSHOW | Examines the internal structure of a WCS description. |
WCSSLIDE | Applies a translational correction to the WCS in an NDF. |
WCSTRAN | Transforms a position from one NDF co-ordinate Frame to another. |
ARDGEN | Creates a text file describing selected regions of an image. |
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ARDMASK | Uses an ARD file to set some pixels of an NDF to be bad. |
ARDPLOT | Plots the boundaries of regions described in an ARD file over an existing picture. |
CHPIX | Replaces the values of selected pixels in an NDF. |
COPYBAD | Copies the bad-pixel mask from one NDF to another. |
ERRCLIP | Removes pixels with large errors from an NDF. |
EXCLUDEBAD | Copies a two-dimensional NDF excluding any bad rows or columns. |
FFCLEAN | Removes defects from a substantially flat one- or two-dimensional NDF. |
FILLBAD | Removes regions of bad values from an NDF. |
GLITCH | Replaces bad pixels in a two-dimensional image with the local median. |
MFITTREND | Fits independent trends to data lines that are parallel to an axis. |
NOMAGIC | Replaces all occurrences of magic-value pixels in an NDF array with a new value. |
OUTSET | Sets pixels outside a specified circle in a two-dimensional NDF to a specified value. |
PASTE | Pastes a series of NDFs upon each other. |
REGIONMASK | Applies a mask to a region of an NDF. |
RIFT | Adds a scalar to a section of an NDF data structure to correct rift-valley defects. |
SEGMENT | Copies polygonal segments from one NDF to another. |
SETMAGIC | Replaces all occurrences of a given value in an NDF array with the bad value. |
SUBSTITUTE | Replaces all occurrences of a given value in an NDF array with another value. |
THRESH | Edits an NDF such that array values below and above two thresholds take |
ZAPLIN | Replaces regions in a two-dimensional NDF by bad values or by linear interpolation. |
CALPOL | Calculates polarisation parameters. |
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ALIGN2D | Aligns a pair of two-dimensional NDFs by minimising the residuals between them. |
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PLUCK | Plucks slices from an NDF at arbitrary positions. |
REGRID | Uses an arbitrary mapping to regrid an NDF. |
WCSALIGN | Aligns a group of NDFs using WCS information. |
WCSMOSAIC | Tiles a group of NDFs using World Co-ordinate System information. |
FITSURFACE | Fits a polynomial surface to two-dimensional data array. |
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MAKESURFACE | Creates a two-dimensional NDF from the coefficients of a polynomial surface. |
MFITTREND | Fits independent trends to data lines that are parallel to an axis. |
SURFIT | Fits a polynomial or spline surface to a two-dimensional data array using blocking. |
APERADD | Derives statistics of pixels within a specified aperture of an NDF. |
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HISTAT | Computes ordered statistics for an NDF’s pixels using an histogram. |
HISTOGRAM | Computes an histogram of an NDF’s values. |
MSTATS | Does cumulative statistics over a sequence of NDFs. |
NUMB | Counts the number of elements of an NDF with values or absolute values above or below a threshold. |
STATS | Computes simple statistics for an NDF’s pixels. |
BEAMFIT | Fits beam features in a two-dimensional NDF. |
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CENTROID | Finds the centroids of star-like features in an NDF. |
NORMALIZE | Normalises one NDF to a similar NDF by calculating a scale factor and zero-point difference. |
PSF | Determines the parameters of a model star profile by fitting star images in a two-dimensional NDF. |
SURFIT | Fits a polynomial or spline surface to a two-dimensional data array. |
CALC | Evaluates a mathematical expression. |
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CONFIGECHO | Displays a named parameter from a group of configuration parameters. |
NDFECHO | Expands a group expression into a list of explicit NDF names. |
PARGET | Obtains the value or values of an application parameter. |
GLOBALS | Displays the values of the Kappa global parameters. |
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FITSEXIST | Inquires whether or not a keyword exists in a FITS extension. |
FITSLIST | Lists the FITS extension of an NDF. |
FITSVAL | Reports the value of a keyword in the FITS extension. |
NDFCOMPARE | Compares a pair of NDFs for equivalence. |
NDFTRACE | Displays the attributes of an NDF data structure. |
NOGLOBALS | Resets the Kappa global parameters. |
KAPHELP | Gives help about Kappa. |
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LISTMAKE | Creates a catalogue holding a positions list. |
KAPVERSION | Checks the version number of the installed package. |