Re: [osg-users] World space normal.

2018-07-11 Thread shayne.tueller
Shouldn't the normal be multiplied by the inverse transpose of the modelview matrix? (Only upper 3x3 portion) Sent via the Samsung Galaxy S7 active, an AT&T 4G LTE smartphone Original message From: "Rowley, Marlin R" Date: 7/11/18 7:17 AM (GMT-07:00) To: OpenSceneGraph User

Re: [osg-users] OpenSceneGraph/osgEarth vs VulkanSceneGraph/vsgpagedlod

2021-03-17 Thread shayne.tueller
Impressive Robert.Thanks for sharing.ShayneSent from my Sprint Samsung Galaxy Note9. Original message From: Robert Osfield Date: 3/17/21 1:36 PM (GMT-07:00) To: OpenSceneGraph Users Subject: [osg-users] OpenSceneGraph/osgEarth vs VulkanSceneGraph/vsgpagedlod Hi All,Over the

Re: [osg-users] Height of terrain

2017-03-03 Thread shayne.tueller
If your database is in geocentric coordinates, a z value of zero puts you at the equator somewhere...most likely where there is no terrain data.  Make sure your geocentric coordinates are correct for where you have terrain data. Sent via the Samsung Galaxy S® 5 ACTIVE™, an AT&T 4G LTE sma

Re: [osg-users] osg Coordinate system

2017-04-28 Thread shayne.tueller
If you change to geocentric coordinates, the "up" vector is the normal to the spheriod at the XYZ location. I'm not sure what you mean by the Y coordinate. Sent via the Samsung Galaxy S7 active, an AT&T 4G LTE smartphone Original message From: Vinoth Rajendran Date: 4/28/17 5:

Re: [osg-users] How to get height above terrain in lat/long location?

2018-01-19 Thread shayne.tueller
Does your terrain display correctly in osgviewer? Make sure elevation data exists for the given lat lon... Shayne Sent via the Samsung Galaxy S7 active, an AT&T 4G LTE smartphone Original message From: Siyamak Mohammadinejad Date: 12/28/17 5:25 AM (GMT-07:00) To: osg-users@