[osg-users] performance while viewering a OSGGIS layer model

2011-05-07 Thread Lv Qing
Hi, ... Hi, I have a VPB generated terrain model (.osga),about 4000KM*4000KM and near 3 G. When I use osg2.8.4 viewering this model ,it cost me 15%~25% cpu usage. I also make a province boundary layer model using OSGGIS,it convers some vector shp file to a .ive model (all lines) which is

Re: [osg-users] performance while viewering a OSGGIS layer model

2011-05-07 Thread Chris 'Xenon' Hanson
On 5/7/2011 9:35 AM, Lv Qing wrote: I have a VPB generated terrain model (.osga),about 4000KM*4000KM and near 3 G. When I use osg2.8.4 viewering this model ,it cost me 15%~25% cpu usage. I also make a province boundary layer model using OSGGIS,it convers some vector shp file to a .ive

Re: [osg-users] performance while viewering a OSGGIS layer model

2011-05-07 Thread Lv Qing
Hi, ... I mean why viewering a much small model (3.5mb) takes as much cpu usage as a large one(3.0G)? Thank you! Cheers, Lv -- Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=39156#39156 ___

Re: [osg-users] performance while viewering a OSGGIS layer model

2011-05-07 Thread Chris 'Xenon' Hanson
On 5/7/2011 10:03 AM, Lv Qing wrote: I mean why viewering a much small model (3.5mb) takes as much cpu usage as a large one(3.0G)? Your large model uses sophisticated heirarchical LOD techniques to not ever have all the large data in memory at once. -- Chris 'Xenon' Hanson, omo sanza