Re: [R] RGL- Drawing Circle

2012-01-12 Thread Uwe Ligges
On 12.01.2012 13:21, gli wrote: thanks for the help, Duncan. but when you said "study some geometry", He meant basic school maths, I suppose. Uwe do you mean the rgl package pdf reference mannual or other documents? please clarify. i am a total beginner on rgl. graham -- View this messa

Re: [R] RGL- Drawing Circle

2012-01-12 Thread gli
thanks for the help, Duncan. but when you said "study some geometry", do you mean the rgl package pdf reference mannual or other documents? please clarify. i am a total beginner on rgl. graham -- View this message in context: http://r.789695.n4.nabble.com/RGL-Drawing-Circle-tp4278717p4288776.ht

Re: [R] RGL- Drawing Circle

2012-01-11 Thread Duncan Murdoch
On 12-01-11 9:08 AM, gli wrote: thanks Duncan. I think want my circle to be in user coordinates. I tried the first code u gave me and it gives me a circle. but how can i: 1) change the radius ? 2) place the circle at a given x,y,z coordinate? 3) turn it 90 degree up like these circle plate b

Re: [R] RGL- Drawing Circle

2012-01-11 Thread Uwe Ligges
On 11.01.2012 15:08, gli wrote: thanks Duncan. I think want my circle to be in user coordinates. I tried the first code u gave me and it gives me a circle. but how can i: 1) change the radius ? 2) place the circle at a given x,y,z coordinate? 3) turn it 90 degree up like these circle plate

Re: [R] RGL- Drawing Circle

2012-01-11 Thread gli
thanks Duncan. I think want my circle to be in user coordinates. I tried the first code u gave me and it gives me a circle. but how can i: 1) change the radius ? 2) place the circle at a given x,y,z coordinate? 3) turn it 90 degree up like these circle plate bus stop? http://www.geocities.co.

Re: [R] RGL- Drawing Circle

2012-01-09 Thread Duncan Murdoch
On 09/01/2012 10:12 AM, gli wrote: hi, i want to draw a simple circle by using 3d package RGL. i think i can use the command rgl.lines by studying the code from: http://www.swiftless.com/tutorials/opengl/circle.html but is there a faster and easier way to do it?? The code on that page is m

[R] RGL- Drawing Circle

2012-01-09 Thread gli
hi, i want to draw a simple circle by using 3d package RGL. i think i can use the command rgl.lines by studying the code from: http://www.swiftless.com/tutorials/opengl/circle.html but is there a faster and easier way to do it?? graham -- View this message in context: http://r.789695.n4.na