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USGS InfoBank program -- setscale

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Expanded Description
Topic Description
Name
setscale
Synopsis
/infobank/programs/plt/naved/setscale.for
Description
  Subroutine to determine scale for NAVED.

       
COMMENTS
  Determines map dimensions with estimation of projection of

    longitude = longitude * cosine (median latitude)
  and expands plot to maximum allowable dimensions.
   
  If SCALE is returned as 0.0, then subroutine failed.
    
AUTHOR
  Clint Steele             

    
USAGE
  "a" = argument, "r" = referenced, "s" = set

  
  call setscale                         (with the following arguments)
         Scale                       [variable r*4 s]
         TekWest                     [variable i*4 sr]
         TekEast                     [variable i*4 sr]
         TekSouth                    [variable i*4 sr]
         TekNorth                    [variable i*4 sr]
         WindowNumber                [variable i*4 r]
    
SUBROUTINES
  specialmode         (internal)                    

    
FUNCTIONS
  cos                 (FORTRAN intrinsic function)  

  float               (FORTRAN intrinsic function)  
    
FILES_USED
  unit=*(write)


    
Reads
Writes
Opens
Calls
          call specialmode ('TEXT')
          call specialmode ('TEXT')

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URL: http://walrus.wr.usgs.gov/infobank/programs/plt/naved/setscale.doc.html
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Page Last Modified: Mon Sep 16 03:39:16 PDT 2013  (chd)