Beppe,
a very limited part of the code comes from the AdB-ToolBox codebase,
namely the class for reading the ESRI floating point file format (flt).
In fact, as you noted, AdB-ToolBox uses GDAL for raster visualization,
but the single raster analysis plug-ins only allow the flt as input
format (every tool reads the flt raster from disk, regardless of the
file being already open in AdB-Toolbox).
I agree with you: the "Read raster value" tool would be useful to get
the value of single raster cells. I've been thinking about it, the
proper way to do it would be to integrate it with the feature info tool
(now used to query vector layers) to avoid two separate buttons (like in
AdB-ToolBox). We could try to implement it when Stefan is back.
Alberto
On 13/12/2010 11:23, Giuseppe Aruta wrote:
Alberto,
Does it derive from originalAdB-ToolBox capability? I can see that the
latter does depend on GDAL. But it would be interesting to port the
tool "Leggi valore raster" (read raster value) from AdB-ToolBox to
OpenJUMP.
Thanks
Peppe
--- *Lun 13/12/10, Alberto De Luca /<i...@geomaticaeambiente.it>/* ha
scritto:
Da: Alberto De Luca <i...@geomaticaeambiente.it>
Oggetto: Re: [JPP-Devel] georeferencing from gvSIG
A: jump-pilot-devel@lists.sourceforge.net
Data: Lunedì 13 dicembre 2010, 10:03
Michaël and Rashad,
before version 1.4, OJ could already open and visualize raster
objects. But rasters were treated as images, so once loaded and
visualized, information on pixel values was lost. Hence, no raster
analysis of any sort was possible.
Stefan and I tried to fill this gap. To avoid using 3d party code
or native DLLs (gvSIG uses GDAL for instance) we limited the
raster support to few formats, i.e. TIFF, ESRI ASCII grid and ESRI
Floating point grid. So now you should be able to read all these
formats and, more important, you have access to the actual pixel
values onche they have been loaded. As you will see, we just
started to deal with this issue, and there's great room for
improvement.
Have a look at these packages:
org.openjump.core.rasterimage
org.openjump.core.rasterimage.sextante
and in particular at these classes:
RasterImageLayer
OpenJUMPSextanteRasterLayer
Alberto
On 09/12/2010 13:07, Michaël Michaud wrote:
Hi Mohammad,
My knowledge about raster support in OpenJUMP is very limited.
Stefan Steiniger (one of the OpenJUMP projects administrator) did
most of the work to integrate Sextante raster into OpenJUMP, but
he's travelling and will not be back before several months. One
of its last work was to make OpenJUMP as compatible as possible
with Sextante.
I think Alberto de Luca has worked on AdbToolbox (an Italian
project extending OpenJUMP raster capabilities). Maybe he can
give you some hints. And may be interesting for you to have a
close look of what has been achieved by this project.
Victor Olaya is the main developper of Sextante
(http://forge.osor.eu/projects/sextante/). First
OpenJUMP/Sextante binding plugin has been written by Sexyante
team. Last update of the binding has been made by Stefan. It is
on Sextante svn (a copy of the jar file is available via OpenJUMP
sourceforge project). I think Victor and gvSIG team work closely
and can provide help.
Note : there are several bug / feature request about raster
framework in OpenJUMP. You could have a look at them to start
familarizing with the code.
Michaël
Le 09/12/2010 12:30, Mohammed Rashad a écrit :
I checked Kosmo SAIG and I think to work on gvSIG georeferencing
which is more good (free from bugs) than Kosmo SAIG
On Thu, Dec 9, 2010 at 4:57 PM, Giuseppe Aruta
<giuseppe_ar...@yahoo.it
</mc/compose?to=giuseppe_ar...@yahoo.it>> wrote:
Hi Mohammed,
I think you should see also the source of Kosmo (SAIG). It
has a georeferencing tool, probabily derived from GvSIG.
Since Kosmo has many codes deriving to JUMP, as OpenJUMP,
you should find more (relatively) more easy job.
As I know both georeferencing tool doesn't use sextante.
Peppe
--- *Gio 9/12/10, Mohammed Rashad
/<mohammedrasha...@gmail.com
</mc/compose?to=mohammedrasha...@gmail.com>>/* ha scritto:
Da: Mohammed Rashad <mohammedrasha...@gmail.com
</mc/compose?to=mohammedrasha...@gmail.com>>
Oggetto: Re: [JPP-Devel] georeferencing from gvSIG
A: "OpenJump develop and use"
<jump-pilot-devel@lists.sourceforge.net
</mc/compose?to=jump-pilot-de...@lists.sourceforge.net>>
Data: Giovedì 9 dicembre 2010, 12:11
On Thu, Dec 9, 2010 at 4:33 PM, <edgar.sol...@web.de
<http://mc/compose?to=edgar.sol...@web.de>> wrote:
On 09.12.2010 12:00, Mohammed Rashad wrote:
> One question may be stupid
> Why cant we make a georeferencing module using
sextante?
Who says you can't? Feel free to do so.
Ok . I first planned to develop georef using openjump's
sextante lib
But I cant find any tutorial for learning sextante and
after some googling I found that gvsig uses sextante
raster for the georeferencing
So I thought to use it.
If you can help for start I can stick to openjump only.
As long as there is no problem from oj devs I can get
into gvsig
My Plan is this:
Add gvsig georeferencing modules to OpenJump and the to
make the modules good for OJ.
If the first step of adding georeferencer to OpenJump is
done.
I can easily know which files are need and what is their
functionality and all.
And finally we will have georeferencer and raster
libraray independent og gvSIG or others.
May I know your and other developers opinion,
suggestions,comments for my work
Only changes to oj's current core are a matter of
the community. What extensions you create is up to you.
ede
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