Hi Christophe,
There isn't enough code here to see what your problem is. I can't
see what gets painted in paint(), or when repaint() is called after
updateGrafix() is called.
- Don
On Jun 1, 2007, at 9:05 AM, Christophe Ganivet wrote:
> regenerate doesn't seems to be enough too.
> Here is a part of my code :
>
> /* My moving plot item */
> public class PlotItem {
>
> /** Constructor */
> public PlotItem(LatLonPoint point) {
> m_point = point;
> m_grafxPos = new OMCircle (m_point.getLatitude(),
> m_point.getLongitude(), 0.02f);
> m_grafxPos.setFillPaint(Color.black);
> }
>
> /** Current position in lat,lon */
> private LatLonPoint m_point = null;
>
> /** Displayed object on map */
> private OMCircle m_grafxPos = null;
>
> /** Move plot to west */
> public void moveWest() {
> float X = m_point.getLongitude();
> m_point.setLatitude(X + 0.05f);
> updateGrafx();
> }
>
> /** Change coordinates */
> private void updateGrafx() {
> m_grafxPos.setCenter(m_point);
> m_grafxPos.regenerate(MovingPlotLayer.getLayer
> ().getProjection());
> }
>
> [...]
> }
>
> When I make a CTRL-W in my frame, I call plot.moveWest();
> And the "plot" object need to be redraw onto a Layer.
>
> public class MovingPlotLayer extends Layer {
>
> /** list of graphics to be painted on the map. */
> private OMGraphicList m_omgraphics = new OMGraphicList();
>
> /** Projection used */
> private Projection m_projection = null;
>
> /** Draw plots on layer. */
> public void drawElements(OMGraphicList pGraphicList) {
> m_omgraphics.clear();
> for (PlotItem plot : m_list) {
> for (OMGraphic shapeItem : plot.getShapes()) {
> m_omgraphics.addOMGraphic(shapeItem);
> shapeItem.generate(m_projection);
> }
> }
> }
> public void projectionChanged(ProjectionEvent e) {
> m_projection = e.getProjection();
> m_omgraphics.project(e.getProjection(), true);
> repaint();
> }
>
> [...]
> }
>
> Did i miss anything ?
> Thanx for your help.
>
> Christophe
>
> Stéphane WASSERHARDT a écrit :
>> Hi Christophe,
>>
>> I think your problem is simply that "repaint" is not enough to
>> redraw de
>> circle correctly.
>> You'll have to regenerate your OMCircle before repainting, by calling
>> circle.generate(projection).
>>
>> If your layer only handles an OMGraphicList, you may want to extend
>> OMGraphicHandlerLayer instead of Layer.
>> An OMGraphicHandlerLayer manages an OMGraphicList internally, so
>> you'll only
>> have to call the "prepare" method to have all your OMGraphics
>> regenerated.
>>
>> I hope this will help!
>> Stephane
>>
>> -----Message d'origine-----
>> De : owner-openmap-users_at_bbn.com [mailto:owner-openmap-
>> users_at_bbn.com] De la
>> part de Christophe Ganivet
>> Envoyé : vendredi 1 juin 2007 10:28
>> À : openmap-users_at_bbn.com
>> Objet : [OpenMap Users] How to animate OMGraphic and/or make
>> AnimationTester
>> class running
>>
>> Hi all,
>>
>> I'm learning OpenMap for a few weeks and for some "basics" I've no
>> trouble (displaying static data for instance).
>> But now I'm trying to move a simple OMCircle (north, south, east
>> and west) using keyboard and i fail.
>> My OMcircle doesn't be "refresh" into the layer.
>> I'm extending the com.bbn.openmap.Layer class with an
>> OMGraphicList member (i'm copying what i've seen in provided
>> example (Simple2.java and RouteLayer.java).
>> When my OMCircle need to be moved, i only update its coordinates
>> and then call repaint() on the layer.
>> But this doesn't make my circle to be updated. If i zoom or span
>> the map it is refresh at the good new coordinates.
>> I've also seen in mailing list archive that some people are using
>> a GraphicLoader. I've try to see the AnimationTester class but i
>> don't succeed make it run in a short sample program.
>> Can anyone help me ?
>> Thanx
>>
>> Christophe
>>
>> --
>> [To unsubscribe to this list send an email to "majdart_at_bbn.com"
>> with the following text in the BODY of the message "unsubscribe
>> openmap-users"]
>>
>>
>>
>
> --
> [To unsubscribe to this list send an email to "majdart_at_bbn.com"
> with the following text in the BODY of the message "unsubscribe
> openmap-users"]
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Don Dietrick, dietrick_at_bbn.com
BBN Technologies, Cambridge, MA
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
--
[To unsubscribe to this list send an email to "majdart_at_bbn.com"
with the following text in the BODY of the message "unsubscribe openmap-users"]
Received on Fri Jun 01 2007 - 09:18:03 EDT