Revision: 54616
http://brlcad.svn.sourceforge.net/brlcad/?rev=54616&view=rev
Author: ddreeves70
Date: 2013-03-12 08:18:47 +0000 (Tue, 12 Mar 2013)
Log Message:
-----------
the starting of the code to extract the geometry from the model
Added Paths:
-----------
webcad/trunk/geomgen/src/
webcad/trunk/geomgen/src/libgeomgen/
webcad/trunk/geomgen/src/libgeomgen/getwireframe.c
Added: webcad/trunk/geomgen/src/libgeomgen/getwireframe.c
===================================================================
--- webcad/trunk/geomgen/src/libgeomgen/getwireframe.c
(rev 0)
+++ webcad/trunk/geomgen/src/libgeomgen/getwireframe.c 2013-03-12 08:18:47 UTC
(rev 54616)
@@ -0,0 +1,262 @@
+#include "common.h"
+
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+#include <stdio.h>
+
+#include "vmath.h"
+#include "raytrace.h"
+#include "bu.h"
+
+struct wc_solid_geometry
+{
+ struct bu_list l;
+ char *solid_name;
+ int dashflag;
+ int color[3];
+ struct bu_list vhead;
+};
+
+struct wc_display
+{
+ struct wc_solid_geometry *solids;
+ char title[1024];
+ int use_fixed_color;
+ int allow_dash;
+ int number_solids;
+ int fixed_color[3];
+};
+
+int
+rgb_int(int r, int green, int blue)
+{
+ return 0x00ff00;
+}
+
+union tree *
+leaf_func(struct db_tree_state *tsp, const struct db_full_path *path, struct
rt_db_internal *ip, genptr_t data)
+{
+ union tree *curtree;
+ struct wc_display *display = (struct wc_display *) data;
+ struct wc_solid_geometry *solid;
+
+ RT_CK_DB_INTERNAL(ip);
+ RT_CK_TESS_TOL(tsp->ts_ttol);
+ BN_CK_TOL(tsp->ts_tol);
+ RT_CK_RESOURCE(tsp->ts_resp);
+
+ for (BU_LIST_FOR(solid, wc_solid_geometry, (struct bu_list *
)display->solids))
+ {
+ if (strcmp(solid->solid_name, path->fp_names[path->fp_len - 1]->d_namep)
== 0)
+ {
+ RT_GET_TREE(curtree, tsp->ts_resp);
+ curtree->tr_op = OP_NOP;
+
+ return curtree;
+ }
+ }
+
+ display->number_solids += 1;
+ BU_GET(solid, struct wc_solid_geometry);
+
+ BU_LIST_INIT(&solid->vhead);
+
+ if (!ip->idb_meth->ft_plot || ip->idb_meth->ft_plot(&solid->vhead, ip,
tsp->ts_ttol, tsp->ts_tol, NULL ) < 0)
+ {
+ bu_log("%s: plot failure\n", DB_FULL_PATH_CUR_DIR(path)->d_namep);
+ return TREE_NULL; /* ERROR */
+ }
+
+ solid->solid_name = path->fp_names[path->fp_len - 1]->d_namep;
+ if (display->allow_dash)
+ {
+ solid->dashflag = (tsp->ts_sofar & (TS_SOFAR_MINUS | TS_SOFAR_INTER));
+ } else
+ {
+ solid->dashflag = 0;
+ }
+ if (display->use_fixed_color)
+ {
+ solid->color[0] = display->fixed_color[0];
+ solid->color[1] = display->fixed_color[1];
+ solid->color[2] = display->fixed_color[2];
+ } else
+ {
+ solid->color[0] = (int) (tsp->ts_mater.ma_color[0] * 255.);
+ solid->color[1] = (int) (tsp->ts_mater.ma_color[1] * 255.);
+ solid->color[2] = (int) (tsp->ts_mater.ma_color[2] * 255.);
+ }
+
+ BU_LIST_PUSH(&(display->solids->l), &(solid->l));
+
+ /* Indicate success by returning something other than TREE_NULL */
+ RT_GET_TREE(curtree, tsp->ts_resp);
+ curtree->tr_op = OP_NOP;
+
+ return curtree;
+}
+
+int main(int argc, char **argv)
+{
+ static struct rt_i *rtip;
+ char *av[2];
+ struct model *the_model;
+ struct rt_tess_tol ttol;
+ struct bn_tol tol;
+ struct db_tree_state tree_state;
+ struct wc_display display;
+ struct wc_solid_geometry *solid;
+ struct bn_vlist *vp;
+ int i;
+ int start_line;
+ int position;
+ int current_count;
+ float min[3], max[3];
+
+ min[0] = min[1] = min[2] = INFINITY;
+ max[0] = max[1] = max[2] = -INFINITY;
+
+ if (argc < 3)
+ {
+ bu_exit(1, "Usage: %s model.g objects...\n", argv[0]);
+ }
+
+ display.use_fixed_color = 0;
+ display.fixed_color[0] = 255;
+ display.fixed_color[1] = 0;
+ display.fixed_color[2] = 0;
+ display.allow_dash = 1;
+ display.number_solids = 0;
+
+ BU_GET(display.solids, struct wc_solid_geometry);
+ BU_LIST_INIT(&(display.solids->l));
+
+ strcpy(display.title, "");
+ rtip = rt_dirbuild(argv[1], display.title, sizeof(display.title));
+ if (rtip == RTI_NULL )
+ {
+ bu_exit(2, "Building the database directory for [%s] FAILED\n", argv[1]);
+ }
+
+ while (argc > 2)
+ {
+ printf("load (%s)\n", argv[2]);
+ if (rt_gettree(rtip, argv[2]) < 0)
+ printf("Loading the geometry for [%s] FAILED\n", argv[2]);
+ av[0] = argv[2];
+ argc--;
+ argv++;
+ }
+
+ tree_state = rt_initial_tree_state;
+ tree_state.ts_tol = &tol;
+ tree_state.ts_ttol = &ttol;
+ tree_state.ts_m = &the_model;
+
+ ttol.magic = RT_TESS_TOL_MAGIC;
+ ttol.abs = 0.0;
+ ttol.rel = 0.01;
+ ttol.norm = 0.0;
+ tol.magic = BN_TOL_MAGIC;
+ tol.dist = 0.0005;
+ tol.dist_sq = tol.dist * tol.dist;
+ tol.perp = 1e-6;
+ tol.para = 1 - tol.perp;
+
+ /* make empty NMG model */
+ the_model = nmg_mm();
+
+ db_walk_tree(rtip->rti_dbip, 1, (const char **) av, 1, &tree_state, NULL,
NULL, leaf_func, &display);
+
+ if (display.title[0])
+ {
+ printf("Title: %s\n", display.title);
+ }
+
+ printf("number of solids (%d)\n", display.number_solids);
+
+ for (BU_LIST_FOR(solid, wc_solid_geometry, (struct bu_list *
)display.solids))
+ {
+ start_line = 0;
+ for (BU_LIST_FOR(vp, bn_vlist, &solid->vhead))
+ {
+ for (i = 0; i < vp->nused; i++)
+ {
+ if (vp->pt[i][0] < min[0]) min[0] = vp->pt[i][0];
+ if (vp->pt[i][1] < min[1]) min[1] = vp->pt[i][1];
+ if (vp->pt[i][2] < min[2]) min[2] = vp->pt[i][2];
+ if (vp->pt[i][0] > max[0]) max[0] = vp->pt[i][0];
+ if (vp->pt[i][1] > max[1]) max[1] = vp->pt[i][1];
+ if (vp->pt[i][2] > max[2]) max[2] = vp->pt[i][2];
+ printf("%f, %f, %f,", vp->pt[i][0], vp->pt[i][1], vp->pt[i][2]);
+ start_line += 1;
+ if (start_line > 3)
+ {
+ printf("\n");
+ start_line = 0;
+ }
+ }
+ }
+ printf("\n");
+ }
+ printf("\n");
+ position = 0;
+ for (BU_LIST_FOR(solid, wc_solid_geometry, (struct bu_list *
)display.solids))
+ {
+ current_count = 0;
+ for (BU_LIST_FOR(vp, bn_vlist, &solid->vhead))
+ {
+ for (i = 0; i < vp->nused; i++)
+ {
+ if (vp->cmd[i] == 0)
+ {
+ if (current_count > 0)
+ {
+ printf(", %d],\n", current_count);
+ current_count = 0;
+ }
+ printf(" [%d", position);
+ }
+ position += 1;
+ current_count += 1;
+ }
+ }
+ printf(", %d],\n", current_count);
+ }
+ for (BU_LIST_FOR(solid, wc_solid_geometry, (struct bu_list *
)display.solids))
+ {
+ start_line = 0;
+ for (BU_LIST_FOR(vp, bn_vlist, &solid->vhead))
+ {
+ for (i = 0; i < vp->nused; i++)
+ {
+ printf("%f, %f, %f, 1.0, ", (solid->color[0]/255.0),
(solid->color[1]/255.0), (solid->color[2]/255.0));
+ start_line += 1;
+ if (start_line > 3)
+ {
+ printf("\n");
+ start_line = 0;
+ }
+ }
+ }
+ printf("\n");
+ }
+ printf("\n");
+
+ printf("min (%f, %f, %f)\n", min[0], min[1], min[2]);
+ printf("max (%f, %f, %f)\n", max[0], max[1], max[2]);
+ printf("diff (%f, %f, %f)\n", max[0]-min[0], max[1]-min[1], max[2]-min[2]);
+ printf("center (%f, %f, %f)\n", min[0]+((max[0]-min[0])/2),
min[1]+((max[1]-min[1])/2), min[2]+((max[2]-min[2])/2));
+ return 0;
+}
+
+/*
+ * Local Variables:
+ * mode: C
+ * tab-width: 8
+ * indent-tabs-mode: t
+ * c-file-style: "stroustrup"
+ * End:
+ * ex: shiftwidth=4 tabstop=8
+ */
Property changes on: webcad/trunk/geomgen/src/libgeomgen/getwireframe.c
___________________________________________________________________
Added: svn:mim-type
+ text/plain
Added: svn:mime-type
+ text/plain
Added: svn:eol-style
+ native
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