<p><b>mhoffman@lanl.gov</b> 2012-06-08 22:04:52 -0600 (Fri, 08 Jun 2012)</p><p>BRANCH COMMIT -- land ice<br>
<br>
Fixing a bug in the script to copy data from CISM to MPAS grid that resulted in incorrect data for fields coming from the CISM staggered grid (beta).<br>
</p><hr noshade><pre><font color="gray">Modified: branches/land_ice_projects/grid_tools/copy_CISM_grid_to_MPAS_grid.py
===================================================================
--- branches/land_ice_projects/grid_tools/copy_CISM_grid_to_MPAS_grid.py 2012-06-08 19:46:18 UTC (rev 1975)
+++ branches/land_ice_projects/grid_tools/copy_CISM_grid_to_MPAS_grid.py 2012-06-09 04:04:52 UTC (rev 1976)
@@ -45,10 +45,10 @@
ValueCell = numpy.zeros(xCell.shape)
for i in range(len(xCell)):
# Calculate the CISM grid cell indices (these are the lower index)
- xgrid = math.floor( xCell[i] / dx )
+ xgrid = math.floor( (xCell[i]-x[0]) / dx )
if xgrid >= len(x) - 1:
xgrid = len(x) - 2
- ygrid = math.floor( yCell[i] / dy )
+ ygrid = math.floor( (yCell[i]-y[0]) / dy )
if ygrid >= len(y) - 1:
ygrid = len(y) - 2
#print xgrid, ygrid
@@ -56,7 +56,6 @@
Value[ygrid+1,xgrid] * (x[xgrid+1] - xCell[i]) * (yCell[i] - y[ygrid]) / (dx * dy) + \
Value[ygrid,xgrid+1] * (xCell[i] - x[xgrid]) * (y[ygrid+1] - yCell[i]) / (dx * dy) + \
Value[ygrid+1,xgrid+1] * (xCell[i] - x[xgrid]) * (yCell[i] - y[ygrid]) / (dx * dy)
- #print ValueCell.max(), ValueCell.min()
except:
'error in BilinearInterp'
return ValueCell
@@ -160,6 +159,7 @@
thickness = outfile.variables['thickness']
print '</font>
<font color="gray">thk min/max', thk[:].min()*sf, thk[:].max()*sf
thickness[timelevout,:] = BilinearInterp(x1, y1, thk[timelev,:,:] * sf, xCell, yCell)
+ print 'interim thickness min/max', thickness[:].min(), thickness[:].max()
# Don't let there be negative thickness
thickness[:] = thickness[:] * (thickness[:]>=0.0)
print 'new thickness min/max', thickness[:].min(), thickness[:].max()
@@ -179,7 +179,7 @@
bedTopography = outfile.variables['bedTopography']
print '</font>
<font color="red">topg min/max', topg[:].min()*sf, topg[:].max()*sf
bedTopography[timelevout,:] = BilinearInterp(x1, y1, topg[timelev,:,:]*sf, xCell, yCell)
- print 'new bedTopography min/max', bedTopography[:].min(), bedTopography[timelevout,:].max()
+ print 'new bedTopography min/max', bedTopography[:].min(), bedTopography[:].max()
del topg, bedTopography
except:
print '</font>
<font color="black">problem with topg field (e.g. not found in input file), skipping...</font>
<font color="gray">'
@@ -196,7 +196,7 @@
beta = outfile.variables['betaTimeSeries']
print '</font>
<font color="gray">input beta min/max', inbeta[:].min()*sf, inbeta[:].max()*sf
#beta[timelevout,:] = BilinearInterp(x0, y0, inbeta[timelev,:,:]*sf, xCell, yCell)
- beta[:,0] = BilinearInterp(x0, y0, inbeta[timelev,:,:]*sf, xCell, yCell)
+ beta[:,timelevout] = BilinearInterp(x0, y0, inbeta[timelev,:,:]*sf, xCell, yCell)
print 'interim beta min/max', beta[:].min(), beta[:].max()
# Make all beta be positive values
b = beta[:]
@@ -223,10 +223,15 @@
for i in range(1,stagwbndlevel-1):
print 'Copying level ', i+1, ' of ', stagwbndlevel , 'CISM staggered levels (ignoring CISM b.c. temp levels)'
temperature[timelevout,:,i-1] = BilinearInterp(x1, y1, tempstag[timelev,i,:,:]*sf, xCell, yCell)
+ print 'interim temperature min/max', temperature[:].min(), temperature[:].max()
+ # Don't let there be positive temperature
+ t = temperature[:]
+ t[t>0.0] = 0.0
+ temperature[:] = t
print 'new temperature min/max', temperature[:].min(), temperature[:].max()
else:
raise Exception
- del tempstag, temperature
+ del tempstag, temperature, t
except:
print '</font>
<font color="black">problem with tempstag field (e.g. not found in input file, differing number of layers), skipping...</font>
<font color="black">'
</font>
</pre>