[GRASS-user] trouble with 'where' statement to select points for labels (in d.vect)

[achim]

Hi,

maybe its the database syntax: try 'not cat=16'

Achim

Tim Holland schrieb:
> Hello,
> 
> I am trying to add labels to a map, where most of the labels get printed
> beside the shape (in this case, it is a point vector), while one label
> (point #16) gets printed above the shape to prevent label overlap.  
> 
> What I am doing is
> 
> #!/bin/bash
> 
> d.mon start=PNG
> 
> d.vect PointsVect type=point display=shape
> d.vect PointsVect type=point display=attr attrcol="Name" yref=top xref=left
> where='cat=16' #### (to add the label for point number 16)
> d.vect PointsVect type=point display=attr attrcol="Name" yref=center
> xref=left where='cat!=16' #### (to add the labels for all other points)
> 
> d.mon stop=PNG
> 
> For some reason, the 'cat=16' statement works fine, but 'cat!=16' does not. 
> For the latter, I get the following error messages:
> 
> dbmi: Protocol error
> dbmi: Invalid procedure 101
> 
> When I look online through bash scripting tutorials, it says != is the
> symbol for 'not equal'.  Am I wrong on that?  Is there something else wrong
> with my syntax?  
> 
> Thanks for any help,
> Tim