[GRASS-user] Raster: r.report vs r.info

Mark Seibel mseibel at gmail.com
Fri Aug 27 12:19:07 EDT 2010


Maybe your region computation area needs set to the extent of the
data?  It looks like it is only one cell with south and west being 0,
and north and east being 1.

Mark

On Fri, Aug 27, 2010 at 12:11 PM, Andrew Lewin
<andrew.lewin at sympatico.ca> wrote:
> Hi Everyone,
> I am having trouble with creating categories for a raster map (floating
> point).
> I used r.reclass to create a category for my raster (temperature values;
> floating point).  I thought I successfully added categories but when I ran
> r.report there are no categories; however, when I run r.info for the raster
> it shows that I have two categories.
> Can anyone give me a hand with this problem?  The results of the r.report
> and r.info are below:
> r.report:
> GRASS 6.4.0RC6 (MacrophytesGIS):~/grass/MacrophytesGIS/PERMANENT > r.report
> mynatemp4reclass
>  100%
> +-----------------------------------------------------------------------------+
> |                         RASTER MAP CATEGORY REPORT
>  |
> |LOCATION: MacrophytesGIS                             Fri Aug 27 12:00:05
> 2010|
> |-----------------------------------------------------------------------------|
> |          north: 1N    east: 1E
>  |
> |REGION    south:  0    west:  0
>  |
> |          res:    1    res:   1
>  |
> |-----------------------------------------------------------------------------|
> |MASK:none
>  |
> |-----------------------------------------------------------------------------|
> |MAP: Reclass of mynatemp4 in PERMANENT (mynatemp4reclass in PERMANENT)
>   |
> |-----------------------------------------------------------------------------|
> |                            Category Information
>   |
> |#|description
>  |
> |-----------------------------------------------------------------------------|
> |*|no data
>  |
> +-----------------------------------------------------------------------------+
> r.info:
> GRASS 6.4.0RC6 (MacrophytesGIS):~/grass/MacrophytesGIS/PERMANENT > r.info
> mynatemp4reclass
>  +----------------------------------------------------------------------------+
>  | Layer:    mynatemp4reclass               Date: Thu Aug 26 15:25:18 2010
>  |
>  | Mapset:   PERMANENT                      Login of Creator: andrewlewin
>   |
>  | Location: MacrophytesGIS
>   |
>  | DataBase: /Users/andrewlewin/grass
>   |
>  | Title:    Reclass of mynatemp4 in PERMANENT ( mynatemp4reclass )
>   |
>  | Timestamp: none
>  |
>  |----------------------------------------------------------------------------|
>  |
>  |
>  |   Type of Map:  reclass              Number of Categories: 2
>   |
>  |   Data Type:    CELL
>   |
>  |   Rows:         251
>  |
>  |   Columns:      434
>  |
>  |   Total Cells:  108934
>   |
>  |        Projection: Latitude-Longitude
>  |
>  |            N: 82:39:08.872N    S: 14:28:55.128N   Res: 0:16:17.744
>   |
>  |            E: 52:28:47.899422W    W: 170:21:08.795422W   Res: 0:16:17.744
>  |
>  |   Range of data:    min = 1  max = 2
>   |
>  |
>  |
>  |   Data Source:
>   |
>  |    Reclassified map based on:
>  |
>  |      Map [mynatemp4] in mapset [PERMANENT]
>   |
>  |
>  |
>  |   Data Description:
>  |
>  |    generated by r.reclass
>  |
>  |
>  |
>  |
>  |
>  |----------------------------------------------------------------------------|
>  |   Reclassification of [mynatemp4] in mapset [PERMANENT]
>  |
>  |
>  |
>  |         Category        Original categories
>  |
>  |
>  |
>  |          1              -20--1
>   |
>  |          2              0-29
>   |
>  +----------------------------------------------------------------------------+
>
> Cheers,
> Andrew
> Andrew Lewin
> andrew.lewin at sympatico.ca
> Founder of Oceans and Coasts Blog
> President
> Coastal/Marine Spatial Ecologist
> Spatial-Conserve Incorporated
> Associate
> C-FOAM (Canadian Fisheries, Oceans and Aquaculture Management Group)
> Telfer School of Management, University of Ottawa
>
>
>
>
>
>
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>


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