Hi Matthias,
My concern about code efficiency is that this is a very low level routine in
AbstractSelectionRenderer that is potentially called millions of times per
session. Everything possible (like blackboard access and object creation)
needs to be moved outside of it.
Also, if the user does not select your new selection rendering option, OJ
should continue to render using the old method. Currently, it defaults to a
new rendering method.
One of the limitations of OJ that I would like to overcome is that it runs
out of memory just selecting a million points. The reason for that is the
large overhead of selection feedback graphics. Now that you have created an
options panel for selection feedback it could be possible to turn off
selection feedback completely! This would be a solution for unusually large
datasets.
I hope you understand that since this modification is to the core classes,
it needs to meet higher standards than something an optional plugin.
regards,
Larry
On Sat, Jun 19, 2010 at 12:48 AM, Matthias Scholz <m...@jammerhund.de> wrote:
> Hi Larry!
>
> Hi Matthias,
>>
>> I had some problems applying the patch. I was only able to get the
>> AbstractSelectionRenderer and OptionsPlugIn patches. Eclipse wouldn't
>> create the new files for some reason.
>>
> It seems that my Netbeans use an other diff format as Eclipse... i have
> attached a zip file.
>
>
>> Looking at the changes to AbstractSelectionRenderer, I do have some
>> concerns about efficiency since I have recently made changes there to speed
>> things up. I suggest that you move references to the blackboard outside of
>> AbstractSelectionRenderer, and add vertexStyle as a class variable settable
>> by a public set method. You should
>>
> I'm sorry i do not understand what you mean exactly :-( Can you explain
> this a little bit more?
>
> probably have a default constructor for VertexStyle that gives the legacy
>> behavior.
>>
> The com.vividsolutions.jump.workbench.ui.renderer.style.VertexStyle class
> doesn't have a public default constructor, you must use the
> VertexStylesFactory for that.
>
>
>> You should be able to call repaint() from LayerViewPanel.
>>
> Thank you, it runs :-)
>
> Matthias
>
>>
>> regards,
>> Larry Becker
>>
>>
>> On Fri, Jun 18, 2010 at 3:43 PM, Matthias Scholz <m...@jammerhund.de<mailto:
>> m...@jammerhund.de>> wrote:
>>
>> Hi,
>>
>> the attached patch are a first version of my selectionstyle
>> enhancement. You can change the selectionstyle with a new tab in
>> the optionsdialog. The stylings are stored in the persistent
>> Blackboard -> workbench-state.xml.
>>
>> Please take a look at my code and tell me your opinion. It would
>> be nice if you can integrate the code into the project.
>>
>> Can anybody tell me how i can do a "repaint" after the OK button
>> was pressed(SelectionStyllingOptionsPanel.okPressed()). In the
>> actual version you must move or zoom the map that you see the new
>> styling setting. It would be better if you see the changes
>> immediately.
>>
>> Matthias
>>
>>
>>
>>
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