/* geomio.c Copyright (C) 2005,2006,2007 Eugene K. Ressler, Jr. This file is part of Sketch, a small, simple system for making 3d drawings with LaTeX and the PSTricks or TikZ package. Sketch is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. Sketch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Sketch; see the file COPYING.txt. If not, see http://www.gnu.org/copyleft */ #include "geomio.h" void print_pt_2d (FILE * f, POINT_2D pt) { fprintf (f, "(%.3f,%.3f)", pt[X], pt[Y]); } void print_pt_3d (FILE * f, POINT_3D pt) { fprintf (f, "(%.3f,%.3f,%.3f)", pt[X], pt[Y], pt[Z]); } void print_polyline_3d (FILE * f, POLYLINE_3D * polyline) { int i; fprintf (f, "\\line"); for (i = 0; i < polyline->n_vertices; i++) print_pt_3d (f, polyline->v[i]); fprintf (f, "\n"); } void print_polygon_2d (FILE * f, POLYGON_2D * polygon) { int i; fprintf (f, "\\polygon"); for (i = 0; i < polygon->n_sides; i++) print_pt_2d (f, polygon->v[i]); fprintf (f, "\n"); } void print_polygon_3d (FILE * f, POLYGON_3D * polygon) { int i; fprintf (f, "\\polygon"); for (i = 0; i < polygon->n_sides; i++) print_pt_3d (f, polygon->v[i]); fprintf (f, "\n"); } void print_plane (FILE * f, PLANE * plane) { fprintf (f, "\\plane[n=%.3f %.3f %.3f,p=%.3f %.3f %.3f,c=%.3f]\n", plane->n[X], plane->n[Y], plane->n[Z], plane->p[X], plane->p[Y], plane->p[Z], plane->c); }