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/*
Copyright (C) 2003 by Sean David Fleming
sean@ivec.org
This program 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 2
of the License, or (at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
The GNU GPL can also be found at http://www.gnu.org
*/
/*************/
/* constants */
/*************/
enum {HF_CURVATURE, HF_LAST};
enum {SPATIAL_LINE, SPATIAL_SURFACE, SPATIAL_SOLID};
enum {SPATIAL_GENERIC, SPATIAL_VECTOR, SPATIAL_MORPHOLOGY};
/**************/
/* structures */
/**************/
struct spatial_pak
{
gint type; /* SPATIAL_GENERIC, or special type */
gint size; /* vertices per spatial method primitive */
gint method; /* openGL drawing */
gint material; /* 1 = wire, 2 = surface (wire or solid), 3 = solid */
gint periodic; /* create images */
gint show_label;
gchar *label;
gdouble x[3]; /* label position */
gdouble c[3]; /* label colour */
gpointer data; /* general purpose associated data */
GSList *list; /* vertex list */
};
/**************/
/* prototypes */
/**************/
void spatial_destroy(gpointer, struct model_pak *);
void spatial_destroy_by_type(gint, struct model_pak *);
void spatial_destroy_by_label(const gchar *, struct model_pak *);
void spatial_destroy_all(struct model_pak *);
void delete_vector_at(gdouble *, struct model_pak *);
gpointer spatial_new(const gchar *, gint , gint, gint, struct model_pak *);
void spatial_vertex_add(gdouble *, gdouble *, gpointer);
void spatial_vnorm_add(gdouble *, gdouble *, gdouble *, gpointer);
void spatial_point_add(struct core_pak *, struct model_pak *);
gpointer spatial_build_facet(gdouble *, GSList *, struct model_pak *);
void spatial_vdata_add(gdouble *, gdouble *, gdouble *, gpointer, gpointer);
void spatial_data_set(gpointer, gpointer);
gpointer spatial_data_get(gpointer);
void compute_plane(gdouble *, GList *);
void compute_normal(gdouble *, gdouble *, gdouble *, gdouble *);
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