coyote: CGSHAPERANGE

Description
Determines the X (longitude) and Y (latitude) data range of the entities in a shapefile.
Categories
Utilities, Map Projections
Author
FANNING SOFTWARE CONSULTING::
   David W. Fanning 
   1645 Sheely Drive 
   Fort Collins, CO 80526 USA 
   Phone: 970-221-0438 
   E-mail: david@idlcoyote.com 
   Coyote's Guide to IDL Programming: http://www.idlcoyote.com
Examples
shapeBoundary = cgShapeRange('states.shp')
Returns
A four-element array containing the extent of the entity data in the
shapefile, in the order [xrange[0], yrange[0], xrange[1], yrange[1]].
Params
shapefile: in, optional, type=string
    The name of the shapefile for which you wish to know the extent.
    If not provided, the user will be asked to pick a shapefile.
Keywords
mean: out, optional, type=float
   A two-element float or double array giving the mean or average X value
   and the mean or average Y value of the entities in the shapefile, respectively
median: out, optional, type=float
   A two-element float or double array giving the median X value
   and the median Y value of the entities in the shapefile, respectively
xrange: out, optional, type=float
   A two-element float or double array giving the minimum and maximum
   extent of the shapefile entities in the X (longitude) direction, respectively
yrange: out, optional, type=float
   A two-element float or double array giving the minimum and maximum
   extent of the shapefile entities in the Y (latitude) direction, respectively
History
Modification History::
   Written by David W. Fanning by 29 August 2012.
Copyright
Copyright (c) 2012, Fanning Software Consulting, Inc.