[GRASS-user] v.extract breaks on latest update

[Martin Landa]

Hi Allan,

you are absolutely right. This terrible bug has been introduced by me.
Sorry for that! Fixed in CVS (also for 6.2).

Martin

2007/7/11, Allan Hollander <adhollander at ucdavis.edu>:
> Hi all,
>
> I have been using v.extract to select out points using the 'where' option. I run 6.3cvs,
> and updated from the CVS repository yesterday (10 July). Suddenly v.extract
> was unable to extract out any points. I noticed that there were changes in CVS
> to v.extract on 4 July (the log entry says "BugFix: Do not extract centroids
> outside area"), and I'm wondering if these changes introduced another bug.
> My workaround was to do the v.extract using 6.2.2RC1, but wanted to call
> this issue to somebody's attention. Below are outputs from v.info and v.extract
> for my problematic case.
>
> Best regards,
>
> Allan Hollander
>
> ...............................
>
> v.info map=cnddbpnt at adh layer=1
>
> +----------------------------------------------------------------------------+
>  | Layer:           cnddbpnt at adh                                              |
>  | Mapset:          adh                                                       |
>  | Location:        califalbers                                               |
>  | Database:        /home/adh/datasets/GRASSdb                                |
>  | Title:                                                                     |
>  | Map scale:       1:1                                                       |
>  | Map format:      native                                                    |
>  | Name of creator:                                                           |
>  | Organization:                                                              |
>  | Source date:                                                               |
>  |----------------------------------------------------------------------------|
>  |   Type of Map:  vector (level:2)                                           |
>  |                                                                            |
>  |   Number of points:       52222           Number of areas:      0          |
>  |   Number of lines:        0               Number of islands:    0          |
>  |   Number of boundaries:   0               Number of faces:      0          |
>  |   Number of centroids:    0               Number of kernels:    0          |
>  |                                                                            |
>  |   Map is 3D:              0                                                |
>  |   Number of dblinks:      1                                                |
>  |                                                                            |
>  |         Projection: Albers Equal Area                                      |
>  |               N:    449563.7325663    S:  -604569.76983607                 |
>  |               E:    539711.7553733    W:  -374172.94193023                 |
>  |                                                                            |
>  |   Digitization threshold: 0                                                |
>  |   Comments:                                                                |
>  |                                                                            |
>  +----------------------------------------------------------------------------+
>
> v.extract input=cnddbpnt at adh output=velbpnt type=point,line,boundary,centroid,area,face layer=1 new=-1 {where=elmcode = 'IICOL48011'}
>
> Load cats from the database (table = cnddbpnt, db = /home/adh/datasets/GRASSdb/califalbers/adh/dbf/).
>
> 194 cats loaded from the database
> Building topology ...
> Registering lines:
> 0 primitives registered
> Building areas:
> 0 areas built
> 0 isles built
> Attaching islands:
> Attaching centroids: Topology was built.
> Number of nodes     :   0
> Number of primitives:   0
> Number of points    :   0
> Number of lines     :   0
> Number of boundaries:   0
> Number of centroids :   0
> Number of areas     :   0
> Number of isles     :   0
>
> Writing attributes ...
>
> _______________________________________________
> grassuser mailing list
> grassuser at grass.itc.it
> http://grass.itc.it/mailman/listinfo/grassuser
>


-- 
Martin Landa <landa.martin at gmail.com> * http://gama.fsv.cvut.cz/~landa *