X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?p=xscreensaver;a=blobdiff_plain;f=hacks%2Fglx%2Fprojectiveplane.man;h=8adea81b7557e026b6c5dc26b1cb836625ee8703;hp=0ee01acfd13c7d979b9621f1a5bab764360731fd;hb=d1ae2829ff0fd2a96c16a0c8c5420efaa47d7b30;hpb=7edd66e6bd3209013ee059819747b10b5835635b diff --git a/hacks/glx/projectiveplane.man b/hacks/glx/projectiveplane.man index 0ee01acf..8adea81b 100644 --- a/hacks/glx/projectiveplane.man +++ b/hacks/glx/projectiveplane.man @@ -72,7 +72,7 @@ visualized in different manners. When using distance colors, the origin is the point that is displayed as fully saturated red, which is easier to see as the center of the reddish area on the projective plane. Alternatively, when using distance bands, the origin is the -center of the only band that projects to a disc. When using direction +center of the only band that projects to a disk. When using direction bands, the origin is the point where all direction bands collapse to a point. Finally, when orientation markers are being displayed, the origin the the point where all orientation markers are compressed to a @@ -90,7 +90,7 @@ Note that when the projective plane is displayed with bands, the orientation markers are placed in the middle of the bands. For distance bands, the bands are chosen in such a way that the band at the origin is only half as wide as the remaining bands, which results -in a disc being displayed at the origin that has the same diameter as +in a disk being displayed at the origin that has the same diameter as the remaining bands. This choice, however, also implies that the band at infinity is half as wide as the other bands. Since the projective plane is attached to itself (in a complicated fashion) at the line at @@ -157,7 +157,7 @@ orientation in 4d. As discussed above, this mode enables you to see that the projective plane does not intersect itself in 4d. .PP The rotation speed for each of the six planes around which the -projective plane rotates can be chosen. For the walk-and-turn more, +projective plane rotates can be chosen. For the walk-and-turn mode, only the rotation speeds around the true 4d planes are used (the xy, xz, and yz planes). .PP @@ -397,4 +397,4 @@ No representations are made about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty. .SH AUTHOR -Carsten Steger , 03-jan-2014. +Carsten Steger , 03-oct-2014.