r.mapcalc

[Keith Mitchell]

Dear grassers,

Could someone please explain why this calculation is off a factor of magnitude?


+-----------------------------------------------------------------------------+
|                         RASTER MAP CATEGORY REPORT                          |
|LOCATION: Lakepitts                                  Thu Sep 23 22:25:47 1993|
|-----------------------------------------------------------------------------|
|          north: 4394375    east: 692345                                     |
|REGION    south: 4393825    west: 691655                                     |
|          res:        10    res:      10                                     |
|-----------------------------------------------------------------------------|
|MASK: none                                                                   |
|-----------------------------------------------------------------------------|
|MAPS: 2*r*6.7 (c03c in gnu12)                                                |
|        190*oc (kdc in gnu12)                                                |
|          ((((c03*1.5)/1.5)*.2)/(1+.2*kdc/100.)) (cw3c in gnu12)             |
|-----------------------------------------------------------------------------|
|                            Category Information                             |
|    #|description                                                            |
|-----------------------------------------------------------------------------|
|    0|no data                                                                |
|     |21850|                                                                 |
|     |     | 0|no data                                                       |
|     |32870|                                                                 |
|     |     | 0|no data                                                       |
|30043|                                                                       |
|     |21850|                                                                 |
|     |     |13|                                                              |
|     |32870|                                                                 |
|     |     | 9|                                                              |
+-----------------------------------------------------------------------------+

Sparc 10; Sun os 4.1.3; GRASS 4.0

Keith M. Mitchell
University of Illinois
Department of Agronomy
1102 S. Goodwin Ave.
Urbana, Il. 61801
(217) 333-9648
keith at piked2.agn.uiuc.edu