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fitstopnm |
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!!!fitstopnm |
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NAME |
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SYNOPSIS |
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DESCRIPTION |
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OPTIONS |
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REFERENCES |
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SEE ALSO |
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AUTHOR |
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---- |
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!!NAME |
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fitstopnm - convert a FITS file into a portable anymap |
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!!SYNOPSIS |
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__fitstopnm__ [[__-image__ ''N''] [[__-noraw__] |
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[[__-scanmax__] [[__-printmax__] [[__-min__ ''f''] |
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[[__-max__ ''f''] [[''FITSfile''] |
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!!DESCRIPTION |
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Reads a FITS file as input. Produces a portable pixmap if |
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the FITS file consists of 3 image planes (NAXIS = 3 and |
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NAXIS3 = 3), a portable graymap if the FITS file consists of |
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2 image planes (NAXIS = 2), or whenever the __-image__ |
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flag is specified. The results may need to be flipped top |
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for bottom; if so, just pipe the output through __pnmflip |
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-tb.__ |
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!!OPTIONS |
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The __-image__ option is for FITS files with three axes. |
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The assumption is that the third axis is for multiple |
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images, and this option lets you select which one you |
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want. |
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Flags __-min__ and __-max__ can be used to override |
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the min and max values as read from the FITS header or the |
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image data if no DATAMIN and DATAMAX keywords are found. |
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Flag __-scanmax__ can be used to force the program to |
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scan the data even when DATAMIN and DATAMAX are found in the |
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header. If __-printmax__ is specified, the program will |
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just print the min and max values and quit. Flag |
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__-noraw__ can be used to force the program to produce an |
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ASCII portable anymap. |
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The program will tell what kind of anymap is writing. All |
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flags can be abbreviated to their shortest unique |
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prefix. |
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!!REFERENCES |
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FITS stands for Flexible Image Transport System. A full |
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description can be found in Astronomy |
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!!SEE ALSO |
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pnmtofits(1), pgm(5), pnmflip(1) |
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!!AUTHOR |
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Copyright (C) 1989 by Jef Poskanzer, with modifications by |
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Daniel Briggs (dbriggs@nrao.edu) and Alberto Accomazzi |
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(alberto@cfa.harvard.edu). |
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