Interactive Projective Geometry

About: icyberspace.net

Go to the link above and play with projective geometry interactively !!  "You may play with the bright red dots to shift the appearance!"

Thanks Mark
group mark

See Cinderella for the interactivity.

See CFR's site for a  similar geometry.





Tags

  1. projective geometry
  2. icyberspace.net
  3. cfr

Comments


C says
Nope! CFR didn't invent it either although he advanced it into some uncharted waters. Here is a link that provides more background & some other interactive diagrams on the basics.


Seth says
C 2010-05-25 12:33:50 13817
You missed the point in my email where I said that the diagram at icyberspace.net was only a sample from Cinderella of what can be done with cinderella software. See http://www.cinderella.de/tiki-index.php for your own tour.  When I get a I will take some of CFR's projective geometry, perhaps even Fermatique, & make it webable.

Oh, so that was not actually CFR's geometry?

C says
Basically you draw the pictures. There is a button on the Framework which goes into hyperbolic for the Loon view.  My research is not in depth yet.  I want to begin simple then work up to the complex. The algebra & the geometry are congruent with eachother - he calls that Peacock's Law, IMHO.

C says
BTW, you can download a temporary copy with some limits and run Cinderella yourself. It's not very expensive for a full license either ~ 69$


Mark de LA says
C 2010-05-25 14:30:25 13817
Nope! CFR didn't invent it either although he advanced it into some uncharted waters. Here is a link that provides more background & some other interactive diagrams on the basics.
seth 2010-05-25 14:47:50 [item 13817#21602]
So all you need to do is to plug in the equations for one of CFR's diagrams and then generate?   One thing that would be cool would be to plug in the equations for LOON and then on another run the equations for LWEN and then allow the browser to click which on they wanted to explore.  If you want to do that, i'll volenteer to write the HTML5/PHP scripting for it.
In the desktop version Cinderalla does that just the push of a button . The challenge I have right now is that none of my 5 browsers can authorize java interaction with Cinderella due to security & so far the suggestions on the web are no help. Still looking for a different one that avoids Java.  The werid thing is that theBrain is written in Java & works & so does Breck‚Äôs website. 
 

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