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 <mailto: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
<mailto:mohammedrasha...@gmail.com>>/* ha scritto:
Da: Mohammed Rashad <mohammedrasha...@gmail.com
<mailto:mohammedrasha...@gmail.com>>
Oggetto: Re: [JPP-Devel] georeferencing from gvSIG
A: "OpenJump develop and use"
<jump-pilot-devel@lists.sourceforge.net
<mailto:jump-pilot-devel@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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