[GRASS-user] r.water.outlet: no map displayed

[Helmut Kudrnovsky]

Rich Shepard wrote
> For some reason r.water.outlet now produces an empty map. It did before I
> re-projected source maps to ensure they all have the proper values in the
> target location.
> 
>    Attached is an image of the input drainage map and the coordinate
> feature
> (the lower dot).
> 
>    This is how r.info describes the output (watershed) map:
> 
> Type of Map:  raster               Number of Categories: 0               |
>     Data Type:    CELL
>     Rows:         1004
>     Columns:      577
>     Total Cells:  579308
> 
>     Projection: NAD83(HARN) / Oregon North
>     N: 175430.80940854    S: 174426.61003591   Res: 1.00019858
>     E: 2296197.40538338    W: 2295620.05945154   Res: 1.00059954
>     Range of data:    min = 1  max = 1
> 
> Data Description:                                                        |
>     generated by r.water.outlet
> 
>     Comments:
>     r.water.outlet --overwrite input="drainage" output="watershed" coord\
>       inates=2295821.27858,175258.094514
> 
>    I'm not seeing what I've done differently so that there's no visible
> display of map "watershed."
> 
> TIA,
> 
> Rich
> _______________________________________________
> grass-user mailing list

> grass-user at .osgeo

> http://lists.osgeo.org/mailman/listinfo/grass-user
> 
> drainage-outlet-coord.png (140K)
> <http://osgeo-org.1560.x6.nabble.com/attachment/5288967/0/drainage-outlet-coord.png>

=> Range of data:    min = 1  max = 1

it seems the raster isn't empty.

tested here the NC sample from the manual:
https://grass.osgeo.org/grass73/manuals/r.water.outlet.html

works nicly.

please test the sample from the manual with the NC sample data set [1], then
follow the example workflow with your data and report the results and the
used commands (g.region, r.watershed, r.water.outlet).

[1] https://grass.osgeo.org/download/sample-data/



-----
best regards
Helmut
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