null data in GRASS!

[Greg Koerper]

Adding floating point and null data distinction to GRASS will be no small
undertaking.  It's going to require comprehensive consideration of both the
current software architecture, and its projected path of future development.
A new data storage structure must be selected for floating-point 
(plenty of opportunity for debate here), various "flags" added to the data 
headers to indicate floating-point values, or perhaps an attached null data
bit map, and then library functions as well as executible utilities must be
overhauled.  And I should mention that new library functions will needed to be
added for floating-point processing.  An incremental approach, similar to that
use for lat/long, may be required.

We're not talking contributed code here.  But the benefits to software would
be enormous.
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Greg Koerper                            Internet: greg at heart.cor.epa.gov
ManTech Environmental Technology, Inc.  UUCP:     hplabs!hp-pcd!orstcs!koerper
US EPA Environmental Research Lab
200 SW 35th St., JSB                    
Corvallis, OR   97333           "The 90s will make the 60s look like the 50s. 
(503) 754-4490                          Just ask your kids."
 fax:  (503) 754-4338
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