Revision: 51737
http://brlcad.svn.sourceforge.net/brlcad/?rev=51737&view=rev
Author: phoenixyjll
Date: 2012-08-01 08:47:43 +0000 (Wed, 01 Aug 2012)
Log Message:
-----------
The first step of manipulating booleans on NURBS b-rep objects. (WIP)
Modified Paths:
--------------
brlcad/trunk/src/librt/primitives/brep/brep.cpp
Modified: brlcad/trunk/src/librt/primitives/brep/brep.cpp
===================================================================
--- brlcad/trunk/src/librt/primitives/brep/brep.cpp 2012-07-31 21:18:27 UTC
(rev 51736)
+++ brlcad/trunk/src/librt/primitives/brep/brep.cpp 2012-08-01 08:47:43 UTC
(rev 51737)
@@ -3227,6 +3227,67 @@
}
+int
+rt_brep_boolean(struct rt_db_internal *out, const struct rt_db_internal *ip1,
const struct rt_db_internal *ip2, const int UNUSED(operation))
+{
+ RT_CK_DB_INTERNAL(ip1);
+ RT_CK_DB_INTERNAL(ip2);
+ struct rt_brep_internal *bip1, *bip2;
+ bip1 = (struct rt_brep_internal *)ip1->idb_ptr;
+ bip2 = (struct rt_brep_internal *)ip2->idb_ptr;
+ RT_BREP_CK_MAGIC(bip1);
+ RT_BREP_CK_MAGIC(bip2);
+
+ ON_Brep *brep1, *brep2, *brep_out;
+ brep1 = bip1->brep;
+ brep2 = bip2->brep;
+ brep_out = ON_Brep::New();
+
+ int facecount1 = brep1->m_F.Count();
+ int facecount2 = brep2->m_F.Count();
+ ON_SimpleArray<ON_BrepFace *> facearray(facecount1 + facecount2);
+ ON_SimpleArray<ON_SimpleArray<ON_NurbsCurve *> > curvesarray(facecount1 +
facecount2);
+
+
+ for (int i = 0; i < facecount1; i++) {
+ facearray.Append(&(brep1->m_F[i]));
+ }
+ for (int i = 0; i < facecount2; i++) {
+ facearray.Append(&(brep2->m_F[i]));
+ }
+
+ for (int i = 0; i < facecount1; i++) {
+ for (int j = 0; j < facecount2; j++) {
+ ON_SimpleArray<ON_NurbsCurve *> curve_uv, curve_st, curve_3d;
+ if
(brlcad::surface_surface_intersection(brep1->m_S[brep1->m_F[i].m_si],
+
brep2->m_S[brep2->m_F[j].m_si],
+ curve_3d,
+ curve_uv,
+ curve_st))
+ continue;
+ for (int k = 0; k < curve_3d.Count(); k++) {
+ delete curve_3d[k];
+ }
+ curvesarray[i].Append(curve_uv.Count(), curve_uv.Array());
+ curvesarray[facecount1 + j].Append(curve_st.Count(),
curve_st.Array());
+ }
+ }
+
+ struct rt_brep_internal *bip_out;
+ bip_out = (struct rt_brep_internal *)bu_malloc(sizeof(struct
rt_brep_internal), "allocate structure");
+ bip_out->magic = RT_BREP_INTERNAL_MAGIC;
+ bip_out->brep = brep_out;
+ RT_DB_INTERNAL_INIT(out);
+ out->idb_ptr = (genptr_t)bip_out;
+ out->idb_major_type = DB5_MAJORTYPE_BRLCAD;
+ out->idb_meth = &rt_functab[ID_BREP];
+ out->idb_minor_type = ID_BREP;
+
+ // WIP
+ return 0;
+}
+
+
/** @} */
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