[GRASS-user] line thickness

[Huidae Cho]

Sorry, I fixed it.

Huidae Cho


On Wed, May 17, 2006 at 12:27:17PM -0700, Dylan Beaudette wrote:
> On Tuesday 16 May 2006 15:39, Dylan Beaudette wrote:
> > On Tuesday 16 May 2006 14:22, Huidae Cho wrote:
> > > On Tue, May 16, 2006 at 10:17:51AM -0700, Dylan Beaudette wrote:
> > > > On Tuesday 16 May 2006 05:20, Markus Neteler wrote:
> > > > > */orkun <temiz at deprem.gov.tr>/* wrote:
> > > > > >     hello
> > > > > >
> > > > > >     How can I make a vector line thicker on display (d.vect ???)
> > > > > >
> > > > > >     In the display manager (D.M) just see all that U can achieve,
> > > > > >     includes thickenning vector lines too.
> > > > >
> > > > > d.vect comes with a width= parameter to handle line width.
> > > > >        width   Line width
> > > > >
> > > > > Markus
> > > >
> > > > I wonder how hard it would be to implement line thickness based on an
> > > > attribute .... ?
> > >
> > > I just added this feature to CVS, so could you please test if it's
> > > working for you?  There are two new options: wcol= and wscale=. Let's say
> > > you have a column "channel_width" and its values are in meters.
> > >
> > > d.vect map=streams width=2 wcol=channel_width wscale=0.05
> > >
> > > means that line widths are 0.05 * channel_width and if this value is
> > > negative, the default width (2) will be used.  Please note that the line
> > > width column should be either INTEGER or DOUBLE PRECISION type.
> > >
> > > Huidae Cho
> >
> > Huidae:
> >
> > Wow! that was fast.
> >
> > Looks like it works quite well. Thanks!
> >
> > here is the output:
> > http://169.237.35.250/~dylan/temp/d.vect-wcol-test.png
> >
> > Cheers,
> 
> Yikes... after updating from CVS yesterday (after the line thickness patch) it 
> looks like vector polygons are not being drawn via d.vect:
> 
> getting segmentation faults when type=area !!
> 
> Any thoughts on that?
> 
> Cheers,
> 
> -- 
> Dylan Beaudette
> Soils and Biogeochemistry Graduate Group
> University of California at Davis
> 530.754.7341