How would you fell about dragging JMapPane into renderer? Is it something
you use Michael?It is a common; and annoying example; that has not seen any
review thus far.
Jody
On Mon, Feb 16, 2009 at 10:26 AM, Michael Bedward <[email protected]
> wrote:
> Just to clarify the setReset method...
>
> Martin is quite right that it tells the map pane to update all layers.
> Included in this is a recalculation of the display scale. If you
> replace a layer (e.g. display a shapefile, then delete that layer and
> swap to another shapefile) without calling setReset you can get a
> distorted display of the features because the scale variables have not
> been correctly recalculated.
>
> If you are just chaning features within a vector layer (points,
> lines, polygons) then you shouldn't need to call setReset to see the
> changes.
>
> But "setReset"... it's a terrible name for a method :-)
>
> Michael
>
> 2009/2/16 Martin Schmitz <[email protected]>:
> > Hello,
> >
> > setContext(.) defines the "context" which holds the displayed layers
> >
> > setMapArea(.) defines the area to zoom to
> >
> > isReset(.) checks whether setReset(true) was previously called, so every
> > layer is updated on next repaint(); without setReset(true) changes on
> > layers (e.g. new features) do not become visible (as my experience is!)
> >
> > Kind regards
> >
> > Martin Schmitz
> >
> > nvidia schrieb:
> >> Hi,
> >>
> >> would somebody kindly explain what the following functions do:
> >>
> >> public void setContext(MapContext context)
> >>
> >> public void setMapArea(Envelope mapArea)
> >>
> >> public boolean isReset();
> >>
> >> because i can't find any description of this in the user guide with
> >> referrence to using a JMapPane or even in API
> >> http://javadoc.geotools.fr/2.3/org/geotools/gui/swing/JMapPane.htmlwhich i
> >> found was not greate
> >> :(.
> >>
> >>
> >> Cheers
> >
> >
> >
> >
> >
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