Do you want to developp your own augmented reality browser or just developp and application with augmented reality? In the first case, the orientation of screen do anything, just check how you update a point location in screen. The jumping result by updating of your point location on the screen.
On Jan 13, 4:12 am, prachi <[email protected]> wrote: > Hi > > Yeah Im getting the coordinates but they are always jumping on the > screen........Is something to do with remapCoordinatesystem method for > landscape mode...bcozzz i hav set the oreintation of my camera as > landscape mode... > > If smbdyy can guide me with the correct approach of how to start with > augmented reality browse.... > > On Jan 12, 7:14 pm, JP <[email protected]> wrote: > > > > > > > > > On Jan 12, 2:59 am, prachi <[email protected]> wrote: > > > > Hi > > > > Iam developing an augmented reality browser on my ownn...........But > > > not able to get the screen cooridinates.... > > > > I will discuss my whole problem here.....as im not sure at which point > > > i stuck up... > > > > I hav a set of latitude longitude values for different points.Taking > > > them Iam calculating x,y,z coordinates for each point.Using left > > > handed rule ie.x towards east y towards north and z upwards > > > values which i get are:- > > > > x=(a+altitude)*(Math.cos(latitude)*Math.sin(longitude));//x > > > y=(a+altitude)*Math.sin(latitude);//y > > > z=(a+altitude)*(Math.cos(latitude)*Math.cos(longitude));//z > > > > where a=app 80m i have taken radius of earth.The origin is defined to > > > be at centre of earth(ECEF) > > > > SensorManager.getRotationMatrix(RTmp, I, grav, mag); > > > SensorManager.remapCoordinateSystem(RTmp, > > > SensorManager.AXIS_X, > > > SensorManager.AXIS_Z, R); > > > SensorManager.getOrientation(R, values); > > > azimuth = (float)((values[0])*(180/Math.PI)); //in degree > > > pitch = (float)((values[1])*(180/Math.PI)); //in degree > > > roll = (float)((values[2])*(180/Math.PI)); //in degree > > > > Then using perspective projection Iam calculating screen coordinates. > > > Iam refering below link for perspective projection:-- > > > >http://en.wikipedia.org/wiki/3D_projection#Perspective_projection > > > > In the above link Iam replacing thetax with pitch,thetay with > > > roll,thetaz with azimuth. > > > > Watever screen coordinates i got from above calculations Iam plotting > > > a circle using canvas.But Iam unable to see anything. > > > > Pleae help as Iam stuck up with this for the past 3 dayzzz :( :( > > > Hard to give a direct answer from that far. Did you fire up the > > debugger and check the coordinate values you get? If they "hit" the > > screen and you do not "see anything", the problem is some place else, > > drawing the overlay. (This doesn't mean you've necessarily got the > > math right, but at least it's a start).- Hide quoted text - > > > - Show quoted text - -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
