|
|
 | | Re: Math/Optics Problem
|
| (...) Alrighty. Since I have been studying this stuff for the past month and am supposed to pass a test about it, let's see what I can do. (...) Depends. Does it "focus"? The "fisheye" constant you're referring to is, in technical terms, called the (...) (23 years ago, 14-Aug-01, to lugnet.off-topic.geek)
| | | | | Re: RGB color values for many brick colors
|
| Hi All, I updated my element color palette. Thanks for all the fine comments. It's on our club web site www.pnltc.org under "Articles" There are some links at the bottom of the table that point to some nice reference material. SteveB PNLTC (23 years ago, 14-Aug-01, to lugnet.publish, lugnet.trains, lugnet.faq, lugnet.off-topic.geek, lugnet.cad)
| | | | | Re: Math/Optics Problem
|
| David: (...) <activate brain/> Hmmm... Maybe not. The focus is probably rather affecting the "small obscure" supposedly only "camera dependent" supposedly "constant". (...) I think I have to open a camera (or an optics textbook) and have a look. (...) (23 years ago, 14-Aug-01, to lugnet.off-topic.geek)
| | | | | Re: Math/Optics Problem
|
| (...) Hmm... So both the zoom and the focus affect the fisheye constant? How exactly does the focus change it? I guess I'm imagining the same actual image in and out of focus and not seeing actual change in the image's shapes & relative sizes... (...) (23 years ago, 14-Aug-01, to lugnet.off-topic.geek)
| | | | | Re: Math/Optics Problem
|
| David: (...) No. (...) No. (...) Yes: Focus (I think). (...) dist. from camera = (fisheye const.)*(actual height)/(photo height) + (small obscure camera dependent constant) Since you only ask about the relative distance, the "small doesn't matter. (...) (23 years ago, 14-Aug-01, to lugnet.off-topic.geek)
|
|
