Subject:
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Re: LDGlite and LPub
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Newsgroups:
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lugnet.cad.dev
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Date:
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Mon, 25 Oct 2004 21:20:33 GMT
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Viewed:
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1802 times
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In lugnet.cad.dev, Travis Cobbs wrote:
> Please note that L3P's field of view is the horizontal field of view, and
> OpenGL's is the vertical field of view. You have to convert if you want the
> same result. You can check real quick by doing a square image in each. If they
> look the same, then it's a good bet that's the problem.
In case you don't want to think about the math, here it is:
vfov = 2*atan(tan(hfov/2)/(width/height))
--Travis
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Message has 1 Reply: ![](/news/x.gif) | | Re: LDGlite and LPub
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| (...) See, this is why ldview is so much better. I'm still trying to absorb the first post and you whip out the math. Ok, apparently I knew about the horizontal/vertical bit at one point because the code to print an l3p command line contains this (...) (20 years ago, 26-Oct-04, to lugnet.cad.dev)
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Message is in Reply To:
![](/news/x.gif) | | Re: LDGlite and LPub
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| (...) Please note that L3P's field of view is the horizontal field of view, and OpenGL's is the vertical field of view. You have to convert if you want the same result. You can check real quick by doing a square image in each. If they look the same, (...) (20 years ago, 25-Oct-04, to lugnet.cad.dev)
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52 Messages in This Thread: ![LDGlite and LPub -Kevin L. Clague (13-Oct-04 to lugnet.cad)](/news/x.gif) ![](/news/246.gif) ![Re: LDGlite and LPub (and maybe ldview? -Don Heyse (13-Oct-04 to lugnet.cad)](/news/x.gif) ![](/news/46.gif) ![Re: LDGlite and LPub (and maybe ldview? -Steve Bliss (14-Oct-04 to lugnet.cad)](/news/x.gif) ![](/news/246.gif) ![Re: LDGlite and LPub (and maybe ldview? -Don Heyse (14-Oct-04 to lugnet.cad)](/news/x.gif) ![](/news/46.gif) ![Re: LDGlite and LPub (and maybe ldview? -Steve Bliss (15-Oct-04 to lugnet.cad)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/x.gif) ![](/news/268.gif) ![Re: LDGlite and LPub (and maybe ldview? -Travis Cobbs (14-Oct-04 to lugnet.cad)](/news/x.gif) ![](/news/46.gif) ![Re: LDGlite and LPub (and maybe ldview? -Steve Bliss (14-Oct-04 to lugnet.cad)](/news/x.gif) ![](/news/46.gif) ![Re: LDGlite and LPub (and maybe ldview? -Don Heyse (14-Oct-04 to lugnet.cad)](/news/x.gif) ![](/news/46.gif) ![Re: LDGlite and LPub (and maybe ldview? -Travis Cobbs (14-Oct-04 to lugnet.cad)](/news/x.gif) ![](/news/46.gif) ![Re: LDGlite and LPub (and maybe ldview? -Don Heyse (14-Oct-04 to lugnet.cad)](/news/x.gif) ![](/news/46.gif) ![Re: LDGlite and LPub (and maybe ldview? -Travis Cobbs (14-Oct-04 to lugnet.cad, lugnet.cad.dev)](/news/x.gif) ![](/news/46.gif) ![Re: LDGlite and LPub (and maybe ldview? -Don Heyse (15-Oct-04 to lugnet.cad.dev)](/news/x.gif) ![](/news/46.gif) ![Re: LDGlite and LPub (and maybe ldview? -Don Heyse (15-Oct-04 to lugnet.cad.dev)](/news/x.gif) ![](/news/46.gif) ![Re: LDGlite and LPub (and maybe ldview? -Don Heyse (15-Oct-04 to lugnet.cad.dev)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: LDGlite and LPub (and maybe ldview? -Ross Crawford (15-Oct-04 to lugnet.cad)](/news/x.gif) ![](/news/246.gif) ![Re: LDGlite and LPub (and maybe ldview? -Steve Bliss (15-Oct-04 to lugnet.cad)](/news/x.gif) ![](/news/46.gif) ![Re: LDGlite and LPub (and maybe ldview? -Orion Pobursky (15-Oct-04 to lugnet.cad)](/news/x.gif) ![](/news/46.gif) ![Re: LDGlite and LPub (and maybe ldview? -Steve Bliss (15-Oct-04 to lugnet.cad)](/news/x.gif) ![](/news/246.gif) ![Re: LDGlite and LPub (and maybe ldview? -Andrew Westrate (15-Oct-04 to lugnet.cad)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: LDGlite and LPub (and maybe ldview? -David Laswell (15-Oct-04 to lugnet.cad)](/news/x.gif) ![](/news/46.gif) ![Re: LDGlite and LPub (and maybe ldview? -Orion Pobursky (16-Oct-04 to lugnet.cad)](/news/x.gif) ![](/news/246.gif) ![Re: LDGlite and LPub (and maybe ldview? -Jan Folkersma (16-Oct-04 to lugnet.cad)](/news/x.gif) ![](/news/246.gif) ![Re: LDGlite and LPub (and maybe ldview? -Orion Pobursky (16-Oct-04 to lugnet.cad)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: LDGlite and LPub (and maybe ldview? -Tim David (18-Oct-04 to lugnet.cad)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/x.gif) ![](/news/268.gif) ![Re: LDGlite and LPub (and maybe ldview? -Steve Bliss (18-Oct-04 to lugnet.cad)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: LDGlite and LPub (and maybe ldview? -Dan Boger (18-Oct-04 to lugnet.cad)](/news/x.gif) ![](/news/46.gif) ![Re: LDGlite and LPub (and maybe ldview? -Orion Pobursky (18-Oct-04 to lugnet.cad)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: LDGlite and LPub (and maybe ldview? -Chris Dee (15-Oct-04 to lugnet.cad)](/news/x.gif) ![](/news/46.gif) ![Re: LDGlite and LPub (and maybe ldview? -Steve Bliss (15-Oct-04 to lugnet.cad)](/news/x.gif)
![](/news/x.gif) ![](/news/68.gif) ![Re: LDGlite and LPub -Kevin L. Clague (24-Oct-04 to lugnet.cad)](/news/x.gif) ![](/news/246.gif) ![Re: LDGlite and LPub -Don Heyse (24-Oct-04 to lugnet.cad)](/news/x.gif) ![](/news/46.gif) ![Re: LDGlite and LPub -Kevin L. Clague (25-Oct-04 to lugnet.cad.dev)](/news/x.gif) ![](/news/46.gif) ![Re: LDGlite and LPub -Don Heyse (25-Oct-04 to lugnet.cad.dev)](/news/x.gif) ![](/news/246.gif) ![Re: LDGlite and LPub -Kevin L. Clague (25-Oct-04 to lugnet.cad.dev)](/news/x.gif) ![](/news/46.gif) ![Re: LDGlite and LPub -Don Heyse (25-Oct-04 to lugnet.cad.dev)](/news/x.gif) ![](/news/246.gif) ![Re: LDGlite and LPub -Kevin L. Clague (25-Oct-04 to lugnet.cad.dev)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: LDGlite and LPub -Kevin L. Clague (25-Oct-04 to lugnet.cad.dev)](/news/x.gif) ![](/news/46.gif) ![Re: LDGlite and LPub -Don Heyse (25-Oct-04 to lugnet.cad.dev)](/news/x.gif) ![](/news/46.gif) ![Re: LDGlite and LPub -Kevin L. Clague (25-Oct-04 to lugnet.cad.dev)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: LDGlite and LPub -Travis Cobbs (25-Oct-04 to lugnet.cad.dev)](/news/x.gif) ![](/news/46.gif) ![You are here](/news/here.gif) ![](/news/46.gif) ![Re: LDGlite and LPub -Don Heyse (26-Oct-04 to lugnet.cad.dev)](/news/x.gif) ![](/news/46.gif) ![Re: LDGlite and LPub -Travis Cobbs (26-Oct-04 to lugnet.cad.dev)](/news/x.gif) ![](/news/46.gif) ![Re: LDGlite and LPub -Don Heyse (26-Oct-04 to lugnet.cad.dev)](/news/x.gif) ![](/news/46.gif) ![Re: LDGlite and LPub -Travis Cobbs (26-Oct-04 to lugnet.cad.dev)](/news/x.gif) ![](/news/246.gif) ![Re: LDGlite and LPub -Anders Isaksson (26-Oct-04 to lugnet.cad.dev)](/news/x.gif)
![](/news/x.gif) ![](/news/28.gif) ![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: LDGlite and LPub -Don Heyse (26-Oct-04 to lugnet.cad.dev)](/news/x.gif) ![](/news/46.gif) ![Re: LDGlite and LPub -Kevin L. Clague (29-Oct-04 to lugnet.cad.dev)](/news/x.gif) ![](/news/46.gif) ![Re: LDGlite and LPub -Don Heyse (30-Oct-04 to lugnet.cad.dev)](/news/x.gif) ![](/news/46.gif) ![Re: LDGlite and LPub -Kevin L. Clague (1-Nov-04 to lugnet.cad.dev)](/news/x.gif)
![](/news/x.gif) ![](/news/x.gif) ![](/news/68.gif) ![Re: LDGlite and LPub -Lars C. Hassing (5-Nov-04 to lugnet.cad)](/news/x.gif) ![](/news/46.gif) ![Re: LDGlite and LPub -Kevin L. Clague (5-Nov-04 to lugnet.cad)](/news/x.gif)
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