H Task Index
A
·B
·C
·D
·E
·F
·G
·H
·I
·J
·K
·L
·M
·N
·O
·P
·Q
·R
·S
·T
·U
·V
·W
·X
·Y
·Z
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hafton -- Generate half-tone plots of an image
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hcheck -- Check image header keywords.
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hdbexamine -- Examine a help database
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hdfit -- Fit a curve to density, log exposure values
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hdiff -- Display the differences between two image headers.
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hdshift -- Align related HD curves
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hdtoi -- Apply DTOI transformation to density image
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head -- Print the first few lines of a text file
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hedit -- Header editor
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help -- Print online documentation
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hfilter -- Adaptive low-pass filter based on H-transform.
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hfix -- Fix image headers with a user specified command
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hidetask -- Make a task invisible to the user
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histogram -- Plot or list the histogram of a table column, image, or list.
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history -- Display commands previously executed
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hkfilter -- generate a QPOE time filter from an input housekeeping filter
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hltorgb -- Transform brightness and hue to red, green, and blue.
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hselect -- Select a subset of images satisfying a boolean expression
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hstephem -- Convert ST orbit ephemeris file to an STSDAS table.
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hstpos -- Plot the position of HST on a map of the world
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hsubtract -- Baade-Lucy background subtraction algorithm.
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hxflux -- Calculates the flux and luminosity for a ROSAT HRI source.
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