Revision: 73882
http://sourceforge.net/p/brlcad/code/73882
Author: starseeker
Date: 2019-09-10 17:45:32 +0000 (Tue, 10 Sep 2019)
Log Message:
-----------
Set up to plot individual surface patch bboxes in 2D.
Modified Paths:
--------------
brlcad/trunk/src/libbrep/cdt_surf.cpp
Modified: brlcad/trunk/src/libbrep/cdt_surf.cpp
===================================================================
--- brlcad/trunk/src/libbrep/cdt_surf.cpp 2019-09-10 16:40:24 UTC (rev
73881)
+++ brlcad/trunk/src/libbrep/cdt_surf.cpp 2019-09-10 17:45:32 UTC (rev
73882)
@@ -101,6 +101,8 @@
vmax = v2;
}
+ void plot(const char *filename);
+
double umin;
double umax;
double vmin;
@@ -107,6 +109,31 @@
double vmax;
};
+void SPatch::plot(const char *filename)
+{
+ FILE* plot_file = fopen(filename, "w");
+ struct bu_color c = BU_COLOR_INIT_ZERO;
+ bu_color_rand(&c, BU_COLOR_RANDOM_LIGHTENED);
+ pl_color_buc(plot_file, &c);
+
+ ON_2dPoint p2dmin(umin, vmin);
+ ON_2dPoint p2dmax(umax, vmax);
+ ON_Line line(p2dmin, p2dmax);
+ ON_BoundingBox bb = line.BoundingBox();
+ fastf_t pt[4][3];
+ VSET(pt[0], bb.Max().x, bb.Min().y, 0);
+ VSET(pt[1], bb.Max().x, bb.Max().y, 0);
+ VSET(pt[2], bb.Min().x, bb.Max().y, 0);
+ VSET(pt[3], bb.Min().x, bb.Min().y, 0);
+ pdv_3move(plot_file, pt[0]);
+ pdv_3cont(plot_file, pt[1]);
+ pdv_3cont(plot_file, pt[2]);
+ pdv_3cont(plot_file, pt[3]);
+ pdv_3cont(plot_file, pt[0]);
+
+ fclose(plot_file);
+}
+
static double
uline_len_est(struct cdt_surf_info *sinfo, double u1, double u2, double v)
{
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