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Re: [udig-devel] draw in map
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Hello,
You can find some more info in this link too:
http://udig-devel.19327.n5.nabble.com/Drawing-lines-on-a-layer-from-a-ViewPart-td25563.html
I am intereseted in drawing lines over the map (I want them to move together with the map), and so far I have done this by creating a temporary layer with these lines...
I wonder if doing this with a mapgraphic instead would be more optimus, what do you think?
I guess I would just have to implement the draw method in a new a class implementing mapgraphic (similar to the one in http://udig.refractions.net/confluence/display/DEV/Providing+Visual+Feedback+from+a+View, or like the AnimationMapGraphic class in the tutorials plugin). And then add that mapgraphic to my map, but how?? I have read several posts where you say:
"A MapGraphic is a normal layer - just one that happens not to have any
data :-) You add it like a normal layer; I think the wiki has some
examples of sending an addLayer command? I don't have the code in front
of me right now so you will have to check."
Would it be as easy as running?
map.sendCommandASync(new AddLayerCommand((Layer) new AnimationMapGraphic()));
Thanks,
Joaquín
________________________________________
De: udig-devel-bounces@xxxxxxxxxxxxxxxxxxxxx [udig-devel-bounces@xxxxxxxxxxxxxxxxxxxxx] En nombre de carlos henrique de souza junior [carlos.henrique.s.j@xxxxxxxxx]
Enviado el: martes, 28 de junio de 2011 21:54
Para: udig-devel@xxxxxxxxxxxxxxxxxxxxx
Asunto: Re: [udig-devel] draw in map
Hi guys
the knowledge that I have to come mapgraphic this link:
http://udig.refractions.net/confluence/display/DEV/Providing+Visual+Feedback+from+a+View
the problem is, the command asks for a draw in this class as a parameter MapGraphicContext
public void draw (MapGraphicContext context)
I've searched but not found how to get a MapGraphicContext to move to the draw
I've seen in some places qa idea is to join mapgraphic + tool
My plugin extends simpletool already, so as I join the mapgraphic?
gotta extend another class?
thanks for help guys
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1. Re: draw in map (carlos henrique de souza junior)
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Message: 1
Date: Mon, 27 Jun 2011 14:19:35 -0300
From: carlos henrique de souza junior <carlos.henrique.s.j@xxxxxxxxx<mailto:carlos.henrique.s.j@xxxxxxxxx>>
Subject: Re: [udig-devel] draw in map
To: udig-devel@xxxxxxxxxxxxxxxxxxxxx<mailto:udig-devel@xxxxxxxxxxxxxxxxxxxxx>
Message-ID: <BANLkTinXuKL_rCjxUg2zxgJJDac2WSnXRQ@xxxxxxxxxxxxxx<mailto:BANLkTinXuKL_rCjxUg2zxgJJDac2WSnXRQ@xxxxxxxxxxxxxx>>
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excuse the lack of knowledge but as I do that?
My difficulty is the code if you have a wonderful example
thanks
Date: Sun, 26 Jun 2011 20:25:26 +1000
From: Jody Garnett <jody.garnett@xxxxxxxxx<mailto:jody.garnett@xxxxxxxxx>>
Subject: Re: [udig-devel] udig-devel Digest, Vol 92, Issue 34
To: User-friendly Desktop Internet GIS
<udig-devel@xxxxxxxxxxxxxxxxxxxxx<mailto:udig-devel@xxxxxxxxxxxxxxxxxxxxx>>
Message-ID: <5EC8DA8E64DC4E7287E2E20A05A305E8@xxxxxxxxx<mailto:5EC8DA8E64DC4E7287E2E20A05A305E8@xxxxxxxxx>>
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> Could you try out the "graph" plugin? It uses a relationship between a
tool and a map > graphic to show different routes when choosing the shortest
route...
> I see that the page you mention already describes this; it is just that
graph is a nicer > example.
--
Jody Garnett
On Sunday, 26 June 2011 at 12:14 PM, carlos henrique de souza junior wrote:
>> I do not know or use the best mapgraphic not know how to "get" the
mapgraphic the map in order to draw him to call the function
> I saw how it works with this link
> (
http://udig.refractions.net/confluence/display/DEV/Providing+Visual+Feedback+from+a+View
)
> but not found anything talking about how to get the mapgraphic
> could help me with this please?
>
>
> Date: Sun, 26 Jun 2011 09:46:27 +1000
> From: Jody Garnett <jody.garnett@xxxxxxxxx<mailto:jody.garnett@xxxxxxxxx> (mailto:jody.garnett@xxxxxxxxx<mailto:jody.garnett@xxxxxxxxx>
)>
> Subject: Re: [udig-devel] draw in map
> To: User-friendly Desktop Internet GIS
> <udig-devel@xxxxxxxxxxxxxxxxxxxxx<mailto:udig-devel@xxxxxxxxxxxxxxxxxxxxx> (mailto:udig-devel@xxxxxxxxxxxxxxxxxxxxx<mailto:udig-devel@xxxxxxxxxxxxxxxxxxxxx>
)>
> Message-ID: <67D04A54AD89470AB047A2D06971140F@xxxxxxxxx<mailto:67D04A54AD89470AB047A2D06971140F@xxxxxxxxx> (mailto:
67D04A54AD89470AB047A2D06971140F@xxxxxxxxx<mailto:67D04A54AD89470AB047A2D06971140F@xxxxxxxxx>)>
> Content-Type: text/plain; charset="utf-8"
>
> You may wish to use a "Mapgraphic" or decorator to display feedback on
the map that moves around with the map. The draw shape command is mostly
intended for visual feedback when using a tool. You can (if needed) update
the data that your draw shape command uses (your teste Line2D in this case)
so that the line is scaled as the map zoom changes. It is best to record
your positions as "coordinates" in this case; and use the viewport methods
to transform them into pixels as needed.
>
> --
> Jody Garnett
>
>
> On Friday, 24 June 2011 at 1:41 AM, carlos henrique de souza junior
wrote:
>
> >
> > hello guys I'm trying to create a plugin to draw the map floor plan for
an irrigation system, but am having trouble with the fact of drawing lines
on the map because the drawings do not move together with the map.
> > For example if I give a map zoom increases the size but the design stays
the same size
> > this test is that when I give a click on the map it should draw a line
from the point you clicked:
> >
> >
> > Line2D teste = new Line2D.Double(new Double(e.x), new Double(e.y),e.x +
122, e.y + 15);
> >
> > DrawShapeCommand dF =
getContext().getDrawFactory().createDrawShapeCommand(teste,Color.BLUE);
> >
> > dF.setStroke(133333, 0);
> >
> > getContext().sendSyncCommand(dF);
> >
> >
> >
> > Anyone know why this desenhao not respond to command together with the
map?
> > _______________________________________________
> > User-friendly Desktop Internet GIS (uDig)
> > http://udig.refractions.net
> > http://lists.refractions.net/mailman/listinfo/udig-devel
>
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