Changeset 17953

Timestamp:

05/06/14 17:19:40 (11 years ago)

Author:

cborstad

Message:

CHG: better handling of clim when nan's are present or when data is constant, so that color norm is better suited for plotting in python

Location:

issm/trunk-jpl/src/m/plot

Files:

• plot_unit.py (modified) (1 diff)
• processdata.py (modified) (1 diff)

issm/trunk-jpl/src/m/plot/plot_unit.py

@@ -42 +42 @@
            lims=options.getfieldvalue('caxis',[min(data),max(data)])
         else:
-           lims=[min(data),max(data)]
+                if min(data)==max(data):
+                        lims=[min(data)-0.5,max(data)+0.5]
+                else:
+                        lims=[min(data),max(data)]
         norm = mpl.colors.Normalize(vmin=lims[0], vmax=lims[1])
         if datatype==1:

issm/trunk-jpl/src/m/plot/processdata.py

@@ -45 +45 @@
         nanfill=options.getfieldvalue('nan',-9999)
         if npy.any(npy.isnan(procdata)):
+                lb=npy.min(data[~npy.isnan(data)])
+                ub=npy.max(data[~npy.isnan(data)])
+                if lb==ub:
+                        lb=lb-0.5
+                        ub=ub+0.5
+                        nanfill=lb-1
                 procdata[npy.isnan(procdata)]=nanfill
+                options.addfielddefault('clim',[lb,ub])
                 options.addfielddefault('cmap_set_under','1')
-                options.addfielddefault('clim',[npy.min(data[~npy.isnan(data)]),npy.max(data[~npy.isnan(data)])])
-                print "WARNING: nan's treated as -9999 by default.  Change using pairoption 'nan',nan_fill_value in plotmodel call"
+                print "WARNING: nan's treated as", nanfill, "by default.  Change using pairoption 'nan',nan_fill_value in plotmodel call"
 
         #non-patch processing