home *** CD-ROM | disk | FTP | other *** search
- .geometry "version 0.1";
- v1 = .free(-0.633152, -0.317935, .green, "1");
- v2 = .free(0.505435, -0.315217, .green, "2");
- v3 = .free(0.5, 0.241848, .green, "3");
- v4 = .v.vvmid(v3, v1, .green, .plus);
- v5 = .v.vvmid(v4, v1, .green, .plus);
- v6 = .v.vvmid(v4, v3, .green, .plus);
- l1 = .l.vv(v6, v2, .invisible, .longline);
- l2 = .l.vv(v1, v2, .green);
- l3 = .l.vlpar(v4, l1, .invisible, .longline);
- l4 = .l.vlpar(v5, l3, .invisible, .longline);
- v7 = .v.ll(l3, l2, .green, .plus);
- v8 = .v.ll(l4, l2, .green, .plus);
- .text("Trisection of a line:");
- .text("");
- .text("This example shows the construction of the trisection of a line.");
- .text("The segment 13 is bisected twice, and a line constructed from the");
- .text("third point to the endpoint 2. Parallel lines are constructed that");
- .text("divide the line 12 into 3 equal parts. The same mechanism can be");
- .text("used to divide a segment into any number of equal parts.");
-