Hi all.
I wonder how to get the data of "geometry_columns" table by Geotools.
Cause' I know how to express by the sql syntax: "select * from
geometry_columns;"
But the thing what I want to do is using "Geotools".. As you know.. not simply
way for novice.
"ds.getTypeName()" is the way to
gt-coverage contains the idea; the implementation for different formats is
handled as a plugins; so gt-geotiff contribtues the geotiff format. gt-arcgrid
contribtues the arcgrid format.
Details here:
- http://docs.geotools.org/latest/userguide/welcome/geotools.html
--
Jody Garnett
On Wednesda
On Tue, May 10, 2011 at 4:04 PM, Nicolas Malleson
wrote:
> I assume that the arcgrid module is part of gt-coverage? Or do I need to add
> an additional module?
It's in gt-coverage
Cheers
Andrea
--
---
Ing. Andrea Aime
GeoSolutions S.A.S.
Tec
On 10 May 2011, at 13:52, Andrea Aime wrote:
> On Tue, May 10, 2011 at 11:54 AM, Nicolas Malleson
> wrote:
>> Can I just check, if you do "GridFormatFinder.getAvailableFormats()" do you
>> also get an empty list?
>
> If I run that code from within the arcgrid module I get this:
>
> [org.geoto
On Tue, May 10, 2011 at 11:54 AM, Nicolas Malleson
wrote:
> Can I just check, if you do "GridFormatFinder.getAvailableFormats()" do you
> also get an empty list?
If I run that code from within the arcgrid module I get this:
[org.geotools.gce.arcgrid.ArcGridFormatFactory@1386000]
If instead I r
Hi Simone,
On 10 May 2011, at 10:23, Simone Giannecchini wrote:
> -1- makre sure this points to a fil that actually exists: File ascFile
> = new File("data/leeds_dtm/raster.asc.gz");
Don't worry, I checked that first :-)
> -2- make sure to provie a valid prj if your data is not in wgs84
The da
Ciao Nick,
two things:
-1- makre sure this points to a fil that actually exists: File ascFile
= new File("data/leeds_dtm/raster.asc.gz");
-2- make sure to provie a valid prj if your data is not in wgs84
Regards,
Simone Giannecchini
---
Ing. Simo
Hi Simone,
That's what I was doing originally (only tried zipping it because it was in
Jody's example) but the behaviour was the same.
Kind regards,
Nick
On 10 May 2011, at 09:56, Simone Giannecchini wrote:
> I would unzip the file before using it.
> Performances would be horrible anyway.
>
>
I would unzip the file before using it.
Performances would be horrible anyway.
Regards,
Simone Giannecchini
---
Ing. Simone Giannecchini
GeoSolutions S.A.S.
Founder
Via Poggio alle Viti 1187
55054 Massarosa (LU)
Italy
phone: +39 0584 962313
fa
This is an example of a spatial join; something we don't have native support
for in the shapefile format; but you can accomplish using a couple of loops as
indicated in the user guide here:
- http://docs.geotools.org/latest/userguide/library/main/collection.html#join
--
Jody Garnett
On Tuesday
Thanks for all the help with the zonal statistics, I was amazed to wake up this
morning with 5 replies! I'll have a look at the jai tools that Michael and
Simone have recommended this afternoon, but in the meantime I'd just like to
ask about the behaviour of the GridFormatFinder (the behaviour o
Hello List,
i hope someone can help me. I have got a pointlayer and a polygonlayer with
more than one polygon (both in shape). The Pointlayer has only an id and the
coordinates, the polygonlayer has got an id, the coordinates and a extra
attribute.
Now, i want to look which point is in which polyg
Ciao A tutti,
aside from what jody just said for reading an asci grid, I just
committed these days the zonalstats operation wrapper from jai-tools
inside geotools.
This means that you should be able to get the relevant jars for
reading the ascigrid, and then computing statistics using the zonal
st
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