Help System

Menu for the XCL12 Package

• fitxy - Compute four-parameter linear fit to X,Y vs V2,V3.

• evalxy - Evaluate the fit computed by 'fitxy'.

• newgeom - Geometrically correct an image.

• p2geo - Evaluate polynomial fit file and make a GEO image for 'newgeom'.

• rappendx - Append reseau entries from one file to another.

• rdifferx - Plot histogram of differences between entries in separate files.

• rdirectoryx - Print directory of all entries in a reseau file.

• rdprint - Print difference between two reseau entries.

• resavg - Average reseau entries.

• resfind - Automatically find reseau marks.

• revalfitx - Evaluate, at certain points, fit produced by 'rfitx'.

• rextrap - Extrapolate a reseau grid by one row or column on all sides.

• rfindx - Locate reseau marks in an image.

• rfitx - Calculate fit of distorted coordinates to reference coordinates.

• rfixx - Fix holes in reseau file entries.

• rgenx - Generate a reseau file or entry.

• rinterx - Perform simple interpolation between reseau grids.

• rmarkerx - Interactively modify the positions in a reseau table.

• rplotx - Plot magnified vector differences between reseau grids.

• rprintx - Print out reseau mark coordinates.

• rstat - Print statistics about one or two reseau entries.

• rsubset - Extract or print a subset of a reseau grid.

• rtodbx - Put reseau data in a form suitable for geometry tasks in

• the 'images' package.

• rtransformx - Perform linear transformations on reseau coordinates.

• slitanglex - Measure the angle of long slit spectrum to AXIS1.

• tevalfit - Evaluate a surface fit on positions in an ASCII file.

• (Type "help focgeom opt=sys" for more information about 'focgeom'.)

• (Type "help reseau_files" for more information about reseau files.)

• (Type "help foc_conventions" for more information about FOC-specific

• conventions.)