Opened 7 years ago
Closed 6 years ago
#3410 closed defect (worksforme)
r.watershed doesn't route flow when the flow (input) is null
| Reported by: | mankoff | Owned by: | |
|---|---|---|---|
| Priority: | normal | Milestone: | |
| Component: | Docs | Version: | 7.2.1 |
| Keywords: | Cc: | ||
| CPU: | Unspecified | Platform: | Unspecified |
Description
The documentation states that a MASK is not necessary and null DEM values can be used as a mask, but does not state that null FLOW also acts as a mask. Seems like a minor doc bug.
Change History (3)
comment:1 by , 7 years ago
comment:2 by , 7 years ago
I think how it works now is consistent with how nulls are generally treated in GRASS, they propagate. So it could be explicitly explained in the manual, but I wouldn't say it's a bug. As for the flag, I am not sure if that's necessary when you can solve it with r.null.
comment:3 by , 6 years ago
| Resolution: | → worksforme |
|---|---|
| Status: | new → closed |
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Or better yet, rather than a doc bug, a new flag so that null flow can be treated as zero would be nice.