PS. forgot to mention that another, simpler option for doing grid / feature layer creation on a separate thread is to use the Java SwingWorker class
On 6 December 2012 16:00, Michael Bedward <michael.bedw...@gmail.com> wrote: > Hi Jairo, > > I've had a quick look at your program. I don't have time to examine it > in detail (MainFrame.java is 1600 lines of code) but here are some > general observations which I hope will help to get it working... > > The code for adding grid layers and updating the MapContent (via your > LayerController class) and screen display is very complex and involves > multiple repaint() calls in different methods / classes. This code > could be refactored to be much simpler with any required repaint > requests centralized. > > JMapPane should repaint automatically when a new layer is added to the > map content (unless you override the event system to prevent this) so > you might find you don't need to explicitly call repaint. > > You should always avoid doing processing, such as creating the vector > grid and the associated FeatureLayer, on the event dispatch thread. > Ideally you would use a separate thread (e.g. provided by an > ExecutorService) and pass it a Callable object to do the grid creation > etc. If you need to know when the grid layer has been created you can > use a CountDownLatch or polling of a Future object (returned when the > task is submitted to the executor service). But once again, the map > pane should receive an event from MapContent when a layer is added so > perhaps you might not need to do any polling other than to set a busy > cursor etc. > > I think if you work on reducing the complexity of the code and keep > processing off the event dispatch thread the display problems will be > fixed. > > I'm happy to try to answer further specific questions about it, but > don't have time to help you rewrite / refactor the code - that would > be a case for commercial support (some links for support options are > on the GeoTools web site). > > Hope that helps a bit, > > Michael > > > On 6 December 2012 02:31, Jairo de Almeida <jairodealme...@gmail.com> wrote: >> Hi Michael >> Sorry to reply to you directly, >> I separated a simple project in this link: >> https://dl.dropbox.com/u/18134762/demo.zip >> And this link have a data used: >> https://dl.dropbox.com/u/18134762/Campina.zip >> I'm creating a rectangles layer with the tool from my application >> I Created a grid with 200 rows and 200 cols and 10 m >> Two i create a grid with 10 rows and 10 cols and 200m >> When i click in the map panel with this grid tool my map renderer don't is >> completed >> >> 2012/12/5 Michael Bedward <michael.bedw...@gmail.com> >>> >>> Hi Jairo, >>> >>> Please reply to the list, not to me directly >>> >>> > You're right, don't is correct repaint panel in paintComponent method, >>> > But is this was a crazy tentative to solve this problem >>> > The rendering problem persist >>> > http://s10.postimage.org/ghj8au16x/geotools_image2.png >>> > I don't have any idea to solve this problem, Could you help me? >>> >>> It's hard to say more without being able to reproduce the problem >>> here. If you can provide a *small* example (code plus data) which >>> displays the problem I'll have a look at it. >>> >>> Michael >> >> >> >> >> -- >> Sem mais... >> Jairo de Almeida >> email: jairodealme...@gmail.com >> msn: jairodealme...@msn.com >> >> ------------------------------------------------------------------------------ >> LogMeIn Rescue: Anywhere, Anytime Remote support for IT. Free Trial >> Remotely access PCs and mobile devices and provide instant support >> Improve your efficiency, and focus on delivering more value-add services >> Discover what IT Professionals Know. Rescue delivers >> http://p.sf.net/sfu/logmein_12329d2d >> _______________________________________________ >> GeoTools-GT2-Users mailing list >> GeoTools-GT2-Users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users >> ------------------------------------------------------------------------------ LogMeIn Rescue: Anywhere, Anytime Remote support for IT. Free Trial Remotely access PCs and mobile devices and provide instant support Improve your efficiency, and focus on delivering more value-add services Discover what IT Professionals Know. Rescue delivers http://p.sf.net/sfu/logmein_12329d2d _______________________________________________ GeoTools-GT2-Users mailing list GeoTools-GT2-Users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users
