On 16/04/09 21:54, Vishal Mehta wrote:
Hi Moritz, all,
In displaying this kind thematic vector data, how can I assign a
transparent color to the value zero? (zero is Not the null value of the
GRASS vector dataset)
The easiest is probably to use a where= clause such as
where=value0
Moritz
Hi Moritz,
all
I'm still not able to refer to a column number to display the thematic layer
...only to column names...am i missing something like back-ticks and so
on...?
Vishal
- how to refer to each attribute column by column number in a loop
(d.vect.thematic and d.thematic.area
Hi Moritz, all,
In displaying this kind thematic vector data, how can I assign a transparent
color to the value zero? (zero is Not the null value of the GRASS vector
dataset)
Thanks,
Vishal
On Wed, Apr 8, 2009 at 10:24 AM, Moritz Lennert
mlenn...@club.worldonline.be wrote:
On 08/04/09 18:48,
On 08/04/09 02:23, Vishal Mehta wrote:
Regarding the segmentation faults: I switched to a different machine
to do all this latter work. I havent tried the new scripts on the
original machine (my laptop). Both are running 6.4svn.
Weird. I can confirm segfaults in 6.5svn (I suppose that this is
Hi Moritz,
Regarding legends with d.graph, these are the main issues where I found I
needed to do too much of trial and error, some of which I think could
probably be avoided/improved in a future version...
1. the legend ends up with some strange additions beyond just the range of
data: like what
And one more for the wish list on legends:
- a flag to strip off decimal places if the data happens to be float..
On Wed, Apr 8, 2009 at 9:48 AM, Vishal Mehta vishalm1...@gmail.com wrote:
Hi Moritz,
Regarding legends with d.graph, these are the main issues where I found I
needed to do too
On 07/04/09 00:20, Vishal Mehta wrote:
An update: I got it to ALMOST work using the script below.
So this means you are not getting segfaults anymore ?
Am attaching
the animated gif. But 2 issues remain:
1. I'd like to get a nice legend to display on top right of each display/png
Did you
Hi Moritz,
hmmm...i'll try it without the d.out.file command.
Regarding the segmentation faults: I switched to a different machine to do
all this latter work. I havent tried the new scripts on the original machine
(my laptop). Both are running 6.4svn.
Meanwhile, I've completed the script that
On 04/04/09 01:13, Vishal Mehta wrote:
A couple of strange behaviors with a test vector dataset whose columns
are population projections every 5 years:
I ran the following script below but:
1. I see it working ok on the x0 monitor; but the output png files are
all blank..
2. and i get messages
On 03/04/09 00:23, Vishal Mehta wrote:
Hello all,
I am better at GRASS raster capabilities than with GRASS vector
handling, so I am writing to get your help.
What I want to do is this:
1. I will have one vector dataset of watersheds. Each record is a
polygon, an individual watershed. There
A couple of strange behaviors with a test vector dataset whose columns are
population projections every 5 years:
I ran the following script below but:
1. I see it working ok on the x0 monitor; but the output png files are all
blank..
2. and i get messages while the script is running that include
Hello all,
I am better at GRASS raster capabilities than with GRASS vector handling, so
I am writing to get your help.
What I want to do is this:
1. I will have one vector dataset of watersheds. Each record is a polygon,
an individual watershed. There are, apart from the usual cat fields, 52
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