Re: [OpenMap Users] Extending CoordDialog and cretaing to CoordPa nel for AOI input

Hi Luke,

The MapBean is a CenterListener, and the CoordDialog finds it from the
MapHandler findAndInit() methods, and the MapBean connects as a
CenterListener. If you have the MapBean, you have a handle to the
projection. I think I would just work on having your coordpanel get an
handle on the MapBean, and then once you know the center and scale of
the AOI, set the parameters on the projection and then set the
projection on the MapBean.

The support objects are just for passing out events to listeners.

- Don

On Wednesday, August 20, 2003, at 05:47 PM, Catania, Luke A
ERDC-TEC-VA wrote:

> Don,
>
> I want to figure out the new scale of the map based upon the to corner
> point representing the AOI.  I know I can use
>
> newScale = com.bbn.openmap.proj.ProjMath.getScale(point1,      
> point2, projection);
>
> but how to I get the projection when I am using a listener in the
> CoorDialog I noticed the class CenterSupport and its setCenter method
> which somehow communicates with the map to center it on the point
> entered.  I notice that there is a ProjectionSupport & ZoomSupport
> method.  I was going to use ZoomSupport to zoom my map and get the
> zoom factor from newScale above, if that is the correct way.  But I
> still need to get the projection to pass to getScale.  I though maybe
> there would be a some method I could call from ProjectionSupport, but
> do not see one that would work.  How else can I get the map > projection.
>
> Luke
>
> -----Original Message-----
> From: Don Dietrick [mailto:dietrick@bbn.com]
> Sent: Wednesday, August 20, 2003 3:45 PM
> To: Catania, Luke A ERDC-TEC-VA
> Cc: openmap-users@bbn.com
> Subject: Re: [OpenMap Users] Extending CoordDialog and cretaing to
> CoordPanel for AOI input
>
> Hi Luke,
>
> On Wednesday, August 20, 2003, at 12:15  PM, Catania, Luke A
> ERDC-TEC-VA wrote:
>
> > I want to add an AOI panel to the CoordDialog.  It has the Dec Deg
> and
> > DMS panel, but I want a user to be able to put in the UR and LL
> > corners of an AOI and to zoom on that area.
> >
> > 
> >
> > I have extended CoordDialog and copied actionPerformed to it and
> added:
> >
> > 
> >
> > else if (tabPane.getSelectedComponent() == aoiCoordPanel)
> >
> >                    aoiCoordPanel.setCenter();      
> >
> > 
> >
> > I copied setup() and added the my new panel (AOICordPanel) as a new
> > tab.
> >
> > 
> >
> > I extended NavigateMenu class and changed coordDialog2 to instantiate
> > my dialog.
> >
> > 
> >
> > if (Environment.getBoolean(Environment.UseInternalFrames)) {
> >
> >        coordDialog = new CoordInternalFrame();
> >
> >    } else {
> >
> >        coordDialog2 = newACSCoordDialog();
> >
> >    }
> >
> >    return coordMenuItem;
> >
> > 
> >
> > Not sure what CoordInternalFrame, so I did not change that.
>
> CoordInternalFrame is a CoordDialog if OpenMap is being run as an
> applet.
>
> > I basically copied CoordPanel and made changes to it to create
> > AOICordPanel class by adding additional textfields and labels to
> allow
> > the user to input two corner coordinates.
> >
> > I changed setCenter to average the UR and LL coordinates to get the
> > center point. I still have to work on the zoom part.
> >
> > 
> >
> > But when I enter my 4 coords and call apply it does nothing. I
> > modified actionPerformed and it does call the setCenter method of my
> > AOICordPanel  class and does call centerDelegate.fireCenter(lat,
> > lon); At least I have print statements on either sided of itand it
> > gets to those and no error messages are printed.
> >
> > 
> >
> > Am I missing something else?
>
> I'd go through CoordDialog and where ever there is a call to coordPanel
> and dmsPanel, incorporate your panel into that logic.
>
> In 4.6, this whole setup completely changed, none of the panels are
> hard-coded into CoordDialog, it works with the MapHandler to find the
> panels and wire them together.
>
> - Don
>
>
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> Don Dietrick, BBN Technologies, dietrick@bbn.com
> 10 Moulton Street, Cambridge, MA 02138
> 617-873-3031 [fax]-2794
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
>
> --
> [To unsubscribe to this list send an email to "majdart@bbn.com"
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>
>

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Don Dietrick, BBN Technologies, dietrick@bbn.com
10 Moulton Street, Cambridge, MA 02138
617-873-3031 [fax]-2794
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

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