Re: [JPP-Devel] modelToViewTransform

2009-04-13 Thread Sunburned Surveyor
: Sunburned Surveyor sunburned.surve...@gmail.com Sent: Friday, April 10, 2009 9:59 PM To: OpenJump develop and use jump-pilot-devel@lists.sourceforge.net Subject: Re: [JPP-Devel] modelToViewTransform Thanks for the explanaiton Bing. Any chance we will be able to integrate your code back

Re: [JPP-Devel] modelToViewTransform

2009-04-10 Thread Sunburned Surveyor
Subject: Re: [JPP-Devel] modelToViewTransform Bing and others: I thought that Swing was already double-buffered, which would make this modificaiton unnecessary. Are we double double-buffering? Or does the improvement come because Swing is only double-buffering the actual LVP envelope, while

Re: [JPP-Devel] modelToViewTransform

2009-04-10 Thread Bing Ran
To: OpenJump develop and use jump-pilot-devel@lists.sourceforge.net Subject: Re: [JPP-Devel] modelToViewTransform Thanks for the explanaiton Bing. Any chance we will be able to integrate your code back into the OpenJUMP core? I know a little about the rendering system in JUMP and would be happy

[JPP-Devel] modelToViewTransform

2009-04-09 Thread Bing Ran
Hi list, Recently I started introducing an image back buffer in the LayerViewPanel in my project for the purpose creating a (another) flicker free panning tool. It was the first thing I was planning to do when I started with OJ. So far I have made nice progress. Basically I have a back

Re: [JPP-Devel] modelToViewTransform

2009-04-09 Thread Larry Becker
Hi Bing, I haven't studied this code for a while, but it seems like the line is moving the origin (top for window coordinate system, bottom for world). regards, Larry 2009/4/9 Bing Ran bing_...@hotmail.com Hi list, Recently I started introducing an image back buffer in the LayerViewPanel

Re: [JPP-Devel] modelToViewTransform

2009-04-09 Thread Sunburned Surveyor
Bing and others: I thought that Swing was already double-buffered, which would make this modificaiton unnecessary. Are we double double-buffering? Or does the improvement come because Swing is only double-buffering the actual LVP envelope, while Bing is developing beyond this envelope? The

Re: [JPP-Devel] modelToViewTransform

2009-04-09 Thread Bing Ran
Yes, it pushed the result point one screen down. Just curious why this is required. From: Larry Becker Sent: Thursday, April 09, 2009 9:09 PM To: OpenJump develop and use Subject: Re: [JPP-Devel] modelToViewTransform Hi Bing, I haven't studied this code for a while, but it seems like

Re: [JPP-Devel] modelToViewTransform

2009-04-09 Thread Bing Ran
much similar to panning on Google Map. -- From: Sunburned Surveyor sunburned.surve...@gmail.com Sent: Thursday, April 09, 2009 10:51 PM To: OpenJump develop and use jump-pilot-devel@lists.sourceforge.net Subject: Re: [JPP-Devel