/usr/share/octave/packages/mapping-1.2.1/geoshow.m is in octave-mapping 1.2.1-1+b1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | ## Copyright (C) 2014 Philip Nienhuis
##
## This program is free software; you can redistribute it and/or modify it
## under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 3 of the License, or
## (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program. If not, see <http://www.gnu.org/licenses/>.
## -*- texinfo -*-
## @deftypefn {Function File} geoshow (@var{shps})
## @deftypefnx {Function File} geoshow (@var{shps}, @var{clr})
## Plot a mapstruct created by shaperead.
##
## @var{shps} is the name of a geostruct created by shaperead.
##
## Optional argument @var{clr} can be a predefined color ("k", "c", etc.), an
## RGB triplet, or a 2 X 1 column vector of RGB triplets (each row containing
## a triplet). The uppermost row will be used for points and lines, the
## lowermost row for solid shape features (not yet implemented).
##
## @seealso{mapshow, shapedraw, shapeinfo, shaperead}
## @end deftypefn
## Author: Philip Nienhuis <prnienhuis@users.sf.net>
## Created: 2014-11-17 based on a suggestion by Carnë Draug
function geoshow (varargin)
if (isshape (varargin{1}))
## Assume a shape struct
plotshape (varargin{:});
axis equal;
else
error ("geoshow: plotting of non-shapes is not yet implemented\n")
endif
endfunction
function retval = isshape (s)
retval = false;
## Check if s is a recognized shape file struct; just a brief check
if (isstruct (s))
## Yep. Find out what type
fldn = fieldnames (s);
if (ismember ("Geometry", fldn) && ismember ("BoundingBox", fldn) && ...
ismember ("Lon", fldn))
## Assume it is a Matlab-style geostruct
retval = true;
endif
endif
endfunction
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