Revision: 4899
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=4899&view=rev
Author: jswhit
Date: 2008-01-26 05:17:19 -0800 (Sat, 26 Jan 2008)
Log Message:
-----------
adjust geos and ortho corner specification.
Modified Paths:
--------------
trunk/toolkits/basemap/examples/geos_demo_3.py
trunk/toolkits/basemap/lib/mpl_toolkits/basemap/basemap.py
Modified: trunk/toolkits/basemap/examples/geos_demo_3.py
===================================================================
--- trunk/toolkits/basemap/examples/geos_demo_3.py 2008-01-26 13:09:36 UTC
(rev 4898)
+++ trunk/toolkits/basemap/examples/geos_demo_3.py 2008-01-26 13:17:19 UTC
(rev 4899)
@@ -7,7 +7,7 @@
m1 =
Basemap(projection='geos',lon_0=lon_0,rsphere=(6378137.00,6356752.3142),resolution=None)
ax = fig.add_axes([0.1,0.1,0.8,0.8],axisbg='k')
# plot just upper right quadrant.
-m =
Basemap(projection='geos',lon_0=lon_0,rsphere=(6378137.00,6356752.3142),resolution='l',llcrnrx=m1.urcrnrx/2.,llcrnry=m1.urcrnry/2.,urcrnrx=m1.urcrnrx,urcrnry=m1.urcrnry)
+m =
Basemap(projection='geos',lon_0=lon_0,rsphere=(6378137.00,6356752.3142),resolution='l',llcrnrx=0.,llcrnry=0.,urcrnrx=m1.urcrnrx/2.,urcrnry=m1.urcrnry/2.)
print m.projparams
m.drawcoastlines()
m.drawmapboundary(fill_color='aqua')
@@ -23,7 +23,7 @@
m1 = Basemap(projection='ortho',lon_0=lon_0,lat_0=10,resolution=None)
ax = fig.add_axes([0.1,0.1,0.8,0.8],axisbg='k')
# plot just upper right quadrant.
-m =
Basemap(projection='ortho',lon_0=lon_0,lat_0=10,resolution='l',llcrnrx=m1.urcrnrx/2.,llcrnry=m1.urcrnry/2.,urcrnrx=m1.urcrnrx,urcrnry=m1.urcrnry)
+m =
Basemap(projection='ortho',lon_0=lon_0,lat_0=10,resolution='l',llcrnrx=0.,llcrnry=0.,urcrnrx=m1.urcrnrx/2.,urcrnry=m1.urcrnry/2.)
print m.projparams
m.drawcoastlines()
m.drawmapboundary(fill_color='aqua')
Modified: trunk/toolkits/basemap/lib/mpl_toolkits/basemap/basemap.py
===================================================================
--- trunk/toolkits/basemap/lib/mpl_toolkits/basemap/basemap.py 2008-01-26
13:09:36 UTC (rev 4898)
+++ trunk/toolkits/basemap/lib/mpl_toolkits/basemap/basemap.py 2008-01-26
13:17:19 UTC (rev 4899)
@@ -145,8 +145,9 @@
corners or width and height must be specified by the user.
For 'ortho' and 'geos', the lat/lon values of the corners may be specified,
or the x/y values of the corners (llcrnrx,llcrnry,urcrnrx,urcrnry) in the
- coordinate system of the global projection. If the corners are not
- specified, the entire globe is plotted.
+ coordinate system of the global projection (with x=0,y=0 at the center
+ of the global projection). If the corners are not specified,
+ the entire globe is plotted.
resolution - resolution of boundary database to use. Can be 'c' (crude),
'l' (low), 'i' (intermediate), 'h' (high), 'f' (full) or None.
@@ -612,10 +613,10 @@
self.aspect = (proj.ymax-proj.ymin)/(proj.xmax-proj.xmin)
if projection in ['geos','ortho'] and \
None not in [llcrnrx,llcrnry,urcrnrx,urcrnry]:
- self.llcrnrx = llcrnrx
- self.llcrnry = llcrnry
- self.urcrnrx = urcrnrx
- self.urcrnry = urcrnry
+ self.llcrnrx = llcrnrx+0.5*proj.xmax
+ self.llcrnry = llcrnry+0.5*proj.ymax
+ self.urcrnrx = urcrnrx+0.5*proj.xmax
+ self.urcrnry = urcrnry+0.5*proj.ymax
self._fulldisk = False
else:
self.llcrnrx = proj.llcrnrx
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