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 <[email protected] (mailto:[email protected])> > Subject: Re: [udig-devel] draw in map > To: User-friendly Desktop Internet GIS > <[email protected] (mailto:[email protected])> > Message-ID: <[email protected] > (mailto:[email protected])> > 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 > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://lists.refractions.net/pipermail/udig-devel/attachments/20110626/7756914e/attachment-0001.html> > > > _______________________________________________ > User-friendly Desktop Internet GIS (uDig) > http://udig.refractions.net > http://lists.refractions.net/mailman/listinfo/udig-devel
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