Re: [osg-users] about GIS Vector Overlay Problem

2008-01-14 Thread Glenn Waldron
There are some clipping bugs/issues with the overlay node ... there were some fairly recent posts on the subject if you search back ... no resolution yet unfortunately though. -gw On Jan 13, 2008 10:20 PM, ZHMW < [EMAIL PROTECTED]> wrote: > I have changed the VIEW_DEPENDENT_WITH_ORTHOGRAPHIC_

Re: [osg-users] about GIS Vector Overlay Problem

2008-01-13 Thread ZHMW
I have changed the VIEW_DEPENDENT_WITH_ORTHOGRAPHIC_OVERLAY mode, but The overlay texture map disappear at some distance, I have not find the rule. I don't why. 在08-1-13,Glenn Waldron <[EMAIL PROTECTED]> 写道: > > Hi, > If you are using VIEW_DEPENDENT_WITH_ORTHOGRAPHIC_OVERLAY mode, the > displa

Re: [osg-users] about GIS Vector Overlay Problem

2008-01-12 Thread Glenn Waldron
Hi, If you are using VIEW_DEPENDENT_WITH_ORTHOGRAPHIC_OVERLAY mode, the display resolution of the overlay texture will depend on how much of the texture is seen. For example, if you are looking out towards the horizon, the overlay will appear blockier because it must render a larger piece of it wit

[osg-users] about GIS Vector Overlay Problem

2008-01-12 Thread 赵明伟
Hi, EveryOne. I am using the VPB and osgGIS. My step as follows: first use the image and dem file of a small region to generate terrain models by VPB , and then use the shp file to generate vector shape models, finally, in my application, I set the vector shape models' root as overlay to t