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Today's Topics:
1. More question about "Adding images" (Schmitt, Magna (CIP))
2. Re: jgrass2udig some questions (Andrea Antonello)
3. asking for svn write access (Andrea Antonello)
4. second level in resources tree (Andrea Antonello)
5. Re: asking for svn write access (Paul Ramsey)
----------------------------------------------------------------------
Message: 1
Date: Fri, 9 Feb 2007 14:07:12 -0500
From: "Schmitt, Magna (CIP)" <M.SCHMITT@xxxxxxxxx>
Subject: [udig-devel] More question about "Adding images"
To: "uDig-devel (E-mail)" <udig-devel@xxxxxxxxxxxxxxxxxxxxx>
Message-ID:
<B7B34444ECA41A41AC47DABA057CE7A2F073E4@xxxxxxxxxxxxxxxxxxxxx>
Content-Type: text/plain; charset="iso-8859-1"
Hello:
I had read the answer of the mail "Adding images" where there were a few steps to add images (could be used to show the .png file from a "gridfile")
The point is that i was trying to implement it but without success.
The steps and examples in the mail were the following:
- Create an IGeoResource from your image
- Create a Layer from your IGeoResource
- Add the Layer to the Map
As for the last steps:
Create a layer from the IGeoResource:
IGeoResource pngGeoResource;
ILayer layer = pngGeoResource.resolve(ILayer.class, null);
Obtain the map:
ApplicationGIS.getProjects().get(0).getElements(IMap.class).get(0)
To add the layer to the map:
map.sendCommandASync(new AddLayerCommand(layer) );
I have this method that was working well with former versions of uDig (addToMap) and i changed some lines (in addToMap_1) to get my image but i do not know how can I create my IGeoResource from a FileStringPath and show it in the map editor:
This is the former method:
public static void addToMap(String strOutputFilePath){
File file = new File(strOutputFilePath);
List<IService> imagePng;
try {
imagePng = new ServiceFactoryImpl().aquire(file.toURL());
for( IService service : imagePng ) {
if (service != null) {
if (service.members(null) != null) {
try {
MapFactory.instance().process(null, service.members(null),false);
break;
} catch (Exception e1) {
System.err.println(e1.getMessage());
}
}
}
}
} catch (MalformedURLException e2) {
e2.printStackTrace();
} catch (IOException e3) {
e3.printStackTrace();
}
}
This is my failed shot:
public static void addToMap_1(String strOutputFilePath){
File file = new File(strOutputFilePah);
List<IService> imagePng = null;
try {
imagePng = new ServiceFactoryImpl().aquire(file.toURL());
IGeoResource pngGeoResource = null;
ILayer layer = pngGeoResource.resolve(ILayer.class, null);
ApplicationGIS.getActiveMap().sendCommandASync(new AddLayerCommand((Layer) layer));
} catch (MalformedURLException e2) {
e2.printStackTrace();
} catch (IOException e3) {
e3.printStackTrace();
}
}
Why I should do?
Thank you,
Magna
------------------------------
Message: 2
Date: Fri, 09 Feb 2007 20:11:59 +0100
From: Andrea Antonello <andrea.antonello@xxxxxxxxx>
Subject: Re: [udig-devel] jgrass2udig some questions
To: User-friendly Desktop Internet GIS
<udig-devel@xxxxxxxxxxxxxxxxxxxxx>
Message-ID: <45CCC77F.4020000@xxxxxxxxx>
Content-Type: text/plain; charset=ISO-8859-1
Hi Jody, Richard,
thanks for your replies. I merged them together.
[...]
As you have figured out there is more then one extension point (for
different things). The extension points you have just implemented let
uDig "hold" your resources in the catalog. The next step is to supply a
fancy wizard or DnD support. I am going to ask Richard to look up the
details for you (since my machine being worked over by an oracle install
right now).
Wizard will be next, I just wanted to be able to see if the service was
set up correctly, which would be nice to see in the catalog as a structure.
Another thing that comes to my mind. I would need to supply also the
possibility to create a new JGrass database from udig and work inside
that. But were whould that be done? Not at a level of udig project,
since it will live somehow inside that...
Are you just dragging and dropping a file right now?
In fact I have to drag a folder, not just a file.
Do you mean that you are trying to drag and drop from the Catalog to
the Map Editor? There shouldn't be much work required there. The
catalog.wms plug-in would be a good example to look at, as would the
other database catalog plug-ins. Shapefile is probably a special case
because it is file based.
I can't quite remember clearly, but in the case of catalog.wms, I
think the drag and drop framework queries the WMSConnectionFactory, so
you may want to look there first.
If you are trying to drag from something outside of uDig, that is a
different problem and involves more setup. If it is file-based, you
may be able to get away with using the extension point
"net.refractions.udig.catalog.ui.fileFormat". See catalog.gml for an
example.
By now I'm trying to drag from outside into the catalog view. For the
dragging to a map I would already need a renderer, right?
However I don't know how to do with the fileformat, since it takes a
filetype defined by extention, and I have a folder. I tried to put *,
but that was just like climbing on mirrors...
However I will have to look at the wms plugin and the factory and wizard.
Let me know if I can provide more info. Feel free to get on IRC as
well.
Thanks, I will do it in a couple of hours. Hope I find you there later.
A question not directly related. I'm starting to get together some
code
also for a jgrass.lib plugin (slowly, slowly). Can I have a small SVN
playground were to have my stuff secured?
Sure - there is a "spike" section for just this kind of stuff (ie RnD
experiments). Make a directory and go nuts (do you have svn access
yet?).
No, can I register somewhere or do I have to ask some administrator?
Andrea
------------------------------
Message: 3
Date: Sat, 10 Feb 2007 09:37:10 +0100
From: Andrea Antonello <andrea.antonello@xxxxxxxxx>
Subject: [udig-devel] asking for svn write access
To: User-friendly Desktop Internet GIS
<udig-devel@xxxxxxxxxxxxxxxxxxxxx>
Message-ID: <45CD8436.9040600@xxxxxxxxx>
Content-Type: text/plain; charset=ISO-8859-1
Hi developer list,
I would like to start to add some of the JGrass stuff to the svn space,
starting from the "spikes" space, were they told me I could start with
some tests.
As the wiki states: "Join the developer list and ask for svn access",
here I am. Who should I ask?
Thanks,
Andrea
------------------------------
Message: 4
Date: Sat, 10 Feb 2007 10:17:11 +0100
From: Andrea Antonello <andrea.antonello@xxxxxxxxx>
Subject: [udig-devel] second level in resources tree
To: User-friendly Desktop Internet GIS
<udig-devel@xxxxxxxxxxxxxxxxxxxxx>
Message-ID: <45CD8D97.6030804@xxxxxxxxx>
Content-Type: text/plain; charset=ISO-8859-1
The first step to JGrass catalog support seems to work (thanks to those
who helped!!):
http://udig.refractions.net/confluence/display/JGRASS/grasscatalogsupport
One problem remains. A debug showed me that the members method of the
IGeoresource created by the service is never called. As a result (I just
guess) the second level of the resources tree is not displayed. Again as
a result I miss the leafs, i.e. the maps, which makes the thing pretty
useless.
Any idea about what could be the problem?
Also I need to add folder DnD support, which they told me to be in the
fileformat extention. (even if it is not sooooo important, it is tooooo
cool :))
Andrea
------------------------------
Message: 5
Date: Sat, 10 Feb 2007 10:40:05 -0800
From: Paul Ramsey <pramsey@xxxxxxxxxxxxxxx>
Subject: Re: [udig-devel] asking for svn write access
To: andrea.antonello@xxxxxxxxx, User-friendly Desktop Internet GIS
<udig-devel@xxxxxxxxxxxxxxxxxxxxx>
Message-ID: <236CF920-C0C7-4850-A0B0-1847727AB627@xxxxxxxxxxxxxxx>
Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
I'll do for now. I'll send your login/passwd separately. Please
confirm w/ Jesse and Jody what part of the tree is the best place to
put your work.
P.
On 10-Feb-07, at 12:37 AM, Andrea Antonello wrote:
Hi developer list,
I would like to start to add some of the JGrass stuff to the svn
space,
starting from the "spikes" space, were they told me I could start with
some tests.
As the wiki states: "Join the developer list and ask for svn access",
here I am. Who should I ask?
Thanks,
Andrea
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User-friendly Desktop Internet GIS (uDig)
http://udig.refractions.net
http://lists.refractions.net/mailman/listinfo/udig-devel
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End of udig-devel Digest, Vol 34, Issue 19
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