use, so they are not libraries with which I am familiar. Where can I
find a test program?
Thank you,
-tom
Roger Bivand wrote:
> On Thu, 17 Jun 2010, tom sgouros wrote:
>
> Your syntax for the configure.args= argument was wrong, and most
> likely it would fail on GDAL next. If yo
Alex Mandel wrote:
> On 06/17/2010 05:40 PM, tom sgouros wrote:
> >
> > Hello all:
> >
> > I read this in the rgdal documentation:
> >
> >> The GDAL and PROJ.4 libraries are external to the package, and, when
> >> installing the pac
Hello all:
I read this in the rgdal documentation:
> The GDAL and PROJ.4 libraries are external to the package, and, when
> installing the package from source, must be correctly installed first.
Does "correctly" mean something different from the default? I installed
PROJ.4 on my Mac OS X (10.
Is this another way to say that I've stumbled onto one of the borders
between the set of tasks that R does well and the set of tasks I should
use a GIS for? Or should I persevere with R on this?
Second question: if I want to just do this assembly myself, so to keep
some control over placement, i
Roger Bivand wrote:
> > Being near the water, there are lots of islands, so each town is
> > represented by a bunch of polygons. How do I select only one to be
> > labeled, and is there a convention for which one would be the best to
> > use? I see the labpt slot, in my SpatialPolygonsDataFram
Hello all:
Thanks to all your earlier help, I'm now using spplot to generate a map
of about 400 polygons representing about 40 different towns. In
addition to being able to color the polygons, I would like to label the
plots with a number or the town name.
Being near the water, there are lots
tom sgouros wrote:
>
> Dan Putler wrote:
> > Er, what exactly is your data? Do you have data that is linked to zip
> > codes and you want to do a "thematic" (choropleth) map of the data? Do
> > you have point data (say a lat/lon values), and want to plot
for expanding my vocabulary today.
Is there a name for the bar graph kind of thing? (Here's an example:
http://www.turbosquid.com/FullPreview/Index.cfm/ID/346428 )
Thank you,
-tom
>
> On Sun, 2009-11-15 at 22:30 -0500, tom sgouros wrote:
> > Raphael Saldanha wrote:
> &
Raphael Saldanha wrote:
> Hi Tom!
>
> I'm a geographer and R enthusiast too, but what I can say is: R is a great
> software to statistics. The final production of maps, although it's
> possible, it's simple and faster made with GIS softwares, like GRASS,
> Quantum GIS or ArcGIS.
This is exactl
Roger Bivand wrote:
> > I'm trying to make some simple maps of election results and I am having
> > some trouble. I'm hoping to use Grass (or QGis) to make the maps, but
> > apparently this requires getting my data into the shape files, and I
> > can't figure out how to do that. I've found re
Hello all:
I'm trying to make some simple maps of election results and I am having
some trouble. I'm hoping to use Grass (or QGis) to make the maps, but
apparently this requires getting my data into the shape files, and I
can't figure out how to do that. I've found read.shape and that's
great,
nswers will be forthcoming from some kind wiki-editor.
-tom
>
> 2008/7/1 tom sgouros <[EMAIL PROTECTED]>:
> >
> >
> > One thing you could begin with on that wiki is simply a description of
> > which class of geographical problems
One thing you could begin with on that wiki is simply a description of
which class of geographical problems R is useful for and which class is
better to use a GIS for.
-tom
--
tomfool at as220 dot org
http://sgouros.com
http://whatcheer.net
Roger Bivand <[EMAIL PROTECTED]> wrote:
> > I don't mean to rant, but believe me, I've spent plenty of time with
> > the documentation and it's really not helping.
> >
> > Partly this is a problem of R's doc format which treats package
> > documentation as an alphabetical list of functions - whi
n. (I'm pretty sure
I'll be back seeking all your indulgence sometime then.) For the moment,
I expect that the mapping I'll do will be via maptools, since the
immediate need is pretty rudimentary. I still know nothing about GRASS
and QGIS (but will soon) so don't yet know
Hello all:
I almost hesitate to write and thank you all for the helpful replies,
because good ones keep appearing in my inbox, and who would want to put
a stop to that?
But my gratitude overcomes my cupiditude, so thank you all very much for
the pointers.
-Tom
--
t
Hello all:
I was referred to this list when I asked a question on the r-help list
about mapping. Unfortunately, I seem to be a little late to the party,
and a couple of weeks of monitoring the traffic have left me no more
enlightened than I was before, since it seems that the questions asked
are
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