NOTE:
Version 6.6.1 is a bug-fix release.
Changes and Bug Fixes in V6.6.1:
1. A bug is fixed; where No valid data was returned on an averages over longitude/latitude grids. This bug, reported on the Ferret Users List, in this message, occurs when averaging on a grid that has a Latitude axis, and the average is done in the x, z, and/or t directions. This bug was present in Ferret V6.6 and V6.5
2. A bug is fixed, where sometimes stray dots or marks appeared on some plot outputs on some platforms. This was not a new bug. It was most visible on dashed-line plots where the dots could be seen to fill in the gaps between dashes.
3. The family of functions that do gridding by bins and counting the number of values in bins, is reorganized. These functions are available:
yes? show func scat2grid_bin*
SCAT2GRID_BIN_XY(XPTS,YPTS,F,XAXPTS,YAXPTS)
Put scattered data into XY grid by binning
XPTS: X coordinates of scattered XY locations
YPTS: Y coordinates of scattered XY locations
F: F(X,Y) Data at scattered input XY locations
XAXPTS: X axis coordinates of output grid
YAXPTS: Y axis coordinates of output grid
SCAT2GRID_BIN_XYT(XPTS,YPTS,TPTS,F,XAXPTS,YAXPTS,TAXPTS)
Put scattered data into XYT grid by binning
XPTS: X coordinates of scattered input XYT
YPTS: Y coordinates of scattered input XYT
TPTS: T coordinates of scattered input XYT
F: F(X,Y,T) Data at scattered input XYT
XAXPTS: X axis coordinates of the output grid
YAXPTS: Y axis coordinates of the output grid
TAXPTS: T axis coordinates of the output grid, with same units and origin as tpts
These functions return the counts of valid data per grid cell when SCAT2GRID_BIN_XY or SCAT2GRID_BIN_XYT are called:
yes? show func scat2grid_nbin*
Count observations when putting scattered data into XY grid by binning
XPTS: X coordinates of scattered XY locations
YPTS: Y coordinates of scattered XY locations
F: F(X,Y) Data at scattered input XY locations
XAXPTS: X axis coordinates of output grid
YAXPTS: Y axis coordinates of output grid
SCAT2GRID_NBIN_XYT(XPTS,YPTS,TPTS,F,XAXPTS,YAXPTS,TAXPTS)
Count observations when putting scattered data into XYT grid by binning
XPTS: X coordinates of scattered input XYT
YPTS: Y coordinates of scattered input XYT
TPTS: T coordinates of scattered input XYT
F: F(X,Y,T) Data at scattered input XYT
XAXPTS: X axis coordinates of the output grid
YAXPTS: Y axis coordinates of the output grid
TAXPTS: T axis coordinates of the output grid, with same units and origin as tpts
To count the number of valid values that contribute to each output grid cell using the scat2gridgauss* functions, call SCAT2GRID_NOBS*