From 7fdd5153eaf6d43b99aff707f02185470be91640 Mon Sep 17 00:00:00 2001
From: Christophe Geuzaine <cgeuzaine@ulg.ac.be>
Date: Wed, 21 Apr 2004 04:26:45 +0000
Subject: [PATCH] - added little GUI for mesh cutting plane - added option to
draw the intersecting layer as surfaces
---
Common/Context.h | 2 +-
Common/DefaultOptions.h | 2 ++
Common/Options.cpp | 33 ++++++++++++++++-
Common/Options.h | 1 +
Fltk/Callbacks.cpp | 8 ++++-
Fltk/GUI.cpp | 24 +++++++++++--
Graphics/Mesh.cpp | 78 +++++++++++++++++++++++++++++------------
7 files changed, 121 insertions(+), 27 deletions(-)
diff --git a/Common/Context.h b/Common/Context.h
index 8c2900debc..73e27ae764 100644
--- a/Common/Context.h
+++ b/Common/Context.h
@@ -174,7 +174,7 @@ public :
int histogram, initial_only;
double normals, tangents, explode;
int color_scheme, color_carousel ;
- int use_cut_plane;
+ int use_cut_plane, cut_plane_as_surface;
double cut_planea,cut_planeb,cut_planec,cut_planed;
double evalCutPlane (double x, double y, double z){
double val = cut_planea * x + cut_planeb * y + cut_planec * z + cut_planed;
diff --git a/Common/DefaultOptions.h b/Common/DefaultOptions.h
index 1ab63e4eab..70da94164b 100644
--- a/Common/DefaultOptions.h
+++ b/Common/DefaultOptions.h
@@ -720,6 +720,8 @@ StringXNumber MeshOptions_Number[] = {
"CPU time for the generation of the current mesh (in seconds)" },
{ F, "CutPlane" , opt_mesh_use_cut_plane , 0 ,
"Enable mesh cut plane" },
+ { F, "CutPlaneAsSurface" , opt_mesh_cut_plane_as_surface , 1 ,
+ "Draw the cut as a surface to speed up drawing" },
{ F, "CutPlaneA" , opt_mesh_cut_planea , 1. ,
"First cut plane equation coefficient (`A' in `AX+BY+CZ+D=0')" },
{ F, "CutPlaneB" , opt_mesh_cut_planeb , 0. ,
diff --git a/Common/Options.cpp b/Common/Options.cpp
index 11d5bddcbc..a3ac107f4b 100644
--- a/Common/Options.cpp
+++ b/Common/Options.cpp
@@ -1,4 +1,4 @@
-// $Id: Options.cpp,v 1.146 2004-04-20 21:47:36 geuzaine Exp $
+// $Id: Options.cpp,v 1.147 2004-04-21 04:26:44 geuzaine Exp $
//
// Copyright (C) 1997-2004 C. Geuzaine, J.-F. Remacle
//
@@ -3475,13 +3475,32 @@ double opt_mesh_use_cut_plane(OPT_ARGS_NUM)
{
if(action & GMSH_SET)
CTX.mesh.use_cut_plane = (int)val;
+#if defined(HAVE_FLTK)
+ if(WID && (action & GMSH_GUI))
+ WID->mesh_butt[16]->value(CTX.mesh.use_cut_plane);
+#endif
return CTX.mesh.use_cut_plane;
}
+double opt_mesh_cut_plane_as_surface(OPT_ARGS_NUM)
+{
+ if(action & GMSH_SET)
+ CTX.mesh.cut_plane_as_surface = (int)val;
+#if defined(HAVE_FLTK)
+ if(WID && (action & GMSH_GUI))
+ WID->mesh_butt[22]->value(CTX.mesh.cut_plane_as_surface);
+#endif
+ return CTX.mesh.cut_plane_as_surface;
+}
+
double opt_mesh_cut_planea(OPT_ARGS_NUM)
{
if(action & GMSH_SET)
CTX.mesh.cut_planea = val;
+#if defined(HAVE_FLTK)
+ if(WID && (action & GMSH_GUI))
+ WID->mesh_value[14]->value(CTX.mesh.cut_planea);
+#endif
return CTX.mesh.cut_planea;
}
@@ -3489,6 +3508,10 @@ double opt_mesh_cut_planeb(OPT_ARGS_NUM)
{
if(action & GMSH_SET)
CTX.mesh.cut_planeb = val;
+#if defined(HAVE_FLTK)
+ if(WID && (action & GMSH_GUI))
+ WID->mesh_value[15]->value(CTX.mesh.cut_planeb);
+#endif
return CTX.mesh.cut_planeb;
}
@@ -3496,6 +3519,10 @@ double opt_mesh_cut_planec(OPT_ARGS_NUM)
{
if(action & GMSH_SET)
CTX.mesh.cut_planec = val;
+#if defined(HAVE_FLTK)
+ if(WID && (action & GMSH_GUI))
+ WID->mesh_value[16]->value(CTX.mesh.cut_planec);
+#endif
return CTX.mesh.cut_planec;
}
@@ -3503,6 +3530,10 @@ double opt_mesh_cut_planed(OPT_ARGS_NUM)
{
if(action & GMSH_SET)
CTX.mesh.cut_planed = val;
+#if defined(HAVE_FLTK)
+ if(WID && (action & GMSH_GUI))
+ WID->mesh_value[17]->value(CTX.mesh.cut_planed);
+#endif
return CTX.mesh.cut_planed;
}
diff --git a/Common/Options.h b/Common/Options.h
index 861c679a71..442350e7cf 100644
--- a/Common/Options.h
+++ b/Common/Options.h
@@ -376,6 +376,7 @@ double opt_mesh_order(OPT_ARGS_NUM);
double opt_mesh_dual(OPT_ARGS_NUM);
double opt_mesh_interactive(OPT_ARGS_NUM);
double opt_mesh_use_cut_plane(OPT_ARGS_NUM);
+double opt_mesh_cut_plane_as_surface(OPT_ARGS_NUM);
double opt_mesh_cut_planea(OPT_ARGS_NUM);
double opt_mesh_cut_planeb(OPT_ARGS_NUM);
double opt_mesh_cut_planec(OPT_ARGS_NUM);
diff --git a/Fltk/Callbacks.cpp b/Fltk/Callbacks.cpp
index 93d1eb4edb..47b86f0aea 100644
--- a/Fltk/Callbacks.cpp
+++ b/Fltk/Callbacks.cpp
@@ -1,4 +1,4 @@
-// $Id: Callbacks.cpp,v 1.217 2004-04-21 00:28:50 geuzaine Exp $
+// $Id: Callbacks.cpp,v 1.218 2004-04-21 04:26:44 geuzaine Exp $
//
// Copyright (C) 1997-2004 C. Geuzaine, J.-F. Remacle
//
@@ -1087,6 +1087,8 @@ void mesh_options_ok_cb(CALLBACK_ARGS)
opt_mesh_lines_num(0, GMSH_SET, WID->mesh_butt[13]->value());
opt_mesh_surfaces_num(0, GMSH_SET, WID->mesh_butt[14]->value());
opt_mesh_volumes_num(0, GMSH_SET, WID->mesh_butt[15]->value());
+ opt_mesh_use_cut_plane(0, GMSH_SET, WID->mesh_butt[16]->value());
+ opt_mesh_cut_plane_as_surface(0, GMSH_SET, WID->mesh_butt[22]->value());
opt_mesh_light(0, GMSH_SET, WID->mesh_butt[17]->value());
opt_mesh_color_carousel(0, GMSH_SET,
WID->mesh_butt[18]->value()? 0 :
@@ -1107,6 +1109,10 @@ void mesh_options_ok_cb(CALLBACK_ARGS)
opt_mesh_tangents(0, GMSH_SET, WID->mesh_value[13]->value());
opt_mesh_point_size(0, GMSH_SET, WID->mesh_value[10]->value());
opt_mesh_line_width(0, GMSH_SET, WID->mesh_value[11]->value());
+ opt_mesh_cut_planea(0, GMSH_SET, WID->mesh_value[14]->value());
+ opt_mesh_cut_planeb(0, GMSH_SET, WID->mesh_value[15]->value());
+ opt_mesh_cut_planec(0, GMSH_SET, WID->mesh_value[16]->value());
+ opt_mesh_cut_planed(0, GMSH_SET, WID->mesh_value[17]->value());
opt_mesh_point_type(0, GMSH_SET, WID->mesh_choice[0]->value());
opt_mesh_line_type(0, GMSH_SET, WID->mesh_choice[1]->value());
diff --git a/Fltk/GUI.cpp b/Fltk/GUI.cpp
index 030bf8dbf6..baacff23e5 100644
--- a/Fltk/GUI.cpp
+++ b/Fltk/GUI.cpp
@@ -1,4 +1,4 @@
-// $Id: GUI.cpp,v 1.286 2004-04-21 00:28:50 geuzaine Exp $
+// $Id: GUI.cpp,v 1.287 2004-04-21 04:26:45 geuzaine Exp $
//
// Copyright (C) 1997-2004 C. Geuzaine, J.-F. Remacle
//
@@ -1853,7 +1853,6 @@ void GUI::create_option_window()
mesh_butt[17]->type(FL_TOGGLE_BUTTON);
mesh_butt[17]->down_box(TOGGLE_BOX);
mesh_butt[17]->selection_color(TOGGLE_COLOR);
- mesh_butt[17]->selection_color(RADIO_COLOR);
mesh_value[9] = new Fl_Value_Input(2 * WB, 2 * WB + 2 * BH, IW, BH, "Explode elements");
mesh_value[9]->minimum(0);
@@ -1912,6 +1911,27 @@ void GUI::create_option_window()
s->end();
o->end();
}
+ {
+ Fl_Group *o = new Fl_Group(WB, WB + BH, width - 2 * WB, height - 2 * WB - BH, "Cut plane");
+ o->hide();
+ mesh_butt[16] = new Fl_Check_Button(2 * WB, 2 * WB + 1 * BH, BW, BH, "Enable");
+ mesh_butt[16]->type(FL_TOGGLE_BUTTON);
+ mesh_butt[16]->down_box(TOGGLE_BOX);
+ mesh_butt[16]->selection_color(TOGGLE_COLOR);
+ mesh_butt[22] = new Fl_Check_Button(2 * WB, 2 * WB + 2 * BH, BW, BH, "Draw intersecting layer as surface");
+ mesh_butt[22]->type(FL_TOGGLE_BUTTON);
+ mesh_butt[22]->down_box(TOGGLE_BOX);
+ mesh_butt[22]->selection_color(TOGGLE_COLOR);
+
+ mesh_value[14] = new Fl_Value_Input(2 * WB, 2 * WB + 3 * BH, IW, BH, "A");
+ mesh_value[15] = new Fl_Value_Input(2 * WB, 2 * WB + 4 * BH, IW, BH, "B");
+ mesh_value[16] = new Fl_Value_Input(2 * WB, 2 * WB + 5 * BH, IW, BH, "C");
+ mesh_value[17] = new Fl_Value_Input(2 * WB, 2 * WB + 6 * BH, IW, BH, "D");
+ for(i = 14; i <= 17; i++) {
+ mesh_value[i]->align(FL_ALIGN_RIGHT);
+ }
+ o->end();
+ }
o->end();
}
mesh_window->end();
diff --git a/Graphics/Mesh.cpp b/Graphics/Mesh.cpp
index d63e3b1ced..f54f2dda09 100644
--- a/Graphics/Mesh.cpp
+++ b/Graphics/Mesh.cpp
@@ -1,4 +1,4 @@
-// $Id: Mesh.cpp,v 1.75 2004-04-20 22:36:39 geuzaine Exp $
+// $Id: Mesh.cpp,v 1.76 2004-04-21 04:26:45 geuzaine Exp $
//
// Copyright (C) 1997-2004 C. Geuzaine, J.-F. Remacle
//
@@ -151,7 +151,9 @@ void Draw_Mesh(Mesh * M)
//printf("normal mesh drawing\n");
if(M->status >= 3 && (CTX.mesh.volumes_faces || CTX.mesh.volumes_edges ||
- CTX.mesh.volumes_num)) {
+ CTX.mesh.volumes_num ||
+ (CTX.mesh.use_cut_plane && CTX.mesh.cut_plane_as_surface &&
+ (CTX.mesh.surfaces_edges || CTX.mesh.surfaces_faces)))) {
Tree_Action(M->Volumes, Draw_Mesh_Volumes);
}
@@ -637,6 +639,22 @@ void Draw_Simplex_Surface(void *a, void *b)
}
}
+int intersectCutPlane(int num, Vertex **v, int *edges, int *faces)
+{
+ if(CTX.mesh.cut_plane_as_surface &&
+ (CTX.mesh.surfaces_edges || CTX.mesh.surfaces_faces)){
+ double val = CTX.mesh.evalCutPlane(v[0]->Pos.X, v[0]->Pos.Y, v[0]->Pos.Z);
+ for(int i = 1; i < num; i++){
+ if(val * CTX.mesh.evalCutPlane(v[i]->Pos.X, v[i]->Pos.Y, v[i]->Pos.Z) < 0){
+ *edges = CTX.mesh.surfaces_edges;
+ *faces = CTX.mesh.surfaces_faces;
+ return 1;
+ }
+ }
+ }
+ return 0;
+}
+
void Draw_Simplex_Volume(void *a, void *b)
{
Simplex *s;
@@ -681,12 +699,16 @@ void Draw_Simplex_Volume(void *a, void *b)
double Zc = .25 * (s->V[0]->Pos.Z + s->V[1]->Pos.Z +
s->V[2]->Pos.Z + s->V[3]->Pos.Z);
+ int edges = CTX.mesh.volumes_edges;
+ int faces = CTX.mesh.volumes_faces;
+
if(CTX.mesh.use_cut_plane) {
- if(CTX.mesh.evalCutPlane(Xc, Yc, Zc) < 0)
- return;
+ if(!intersectCutPlane(3, s->V, &edges, &faces))
+ if(CTX.mesh.evalCutPlane(Xc, Yc, Zc) < 0)
+ return;
}
- if(CTX.mesh.surfaces_faces || CTX.mesh.volumes_faces){
+ if(CTX.mesh.surfaces_faces || faces){
glColor4ubv((GLubyte *) & CTX.color.mesh.line);
}
else{
@@ -715,7 +737,7 @@ void Draw_Simplex_Volume(void *a, void *b)
}
}
- if(CTX.mesh.volumes_edges) {
+ if(edges) {
if(!s->VSUP){
glBegin(GL_LINES);
glVertex3d(X[0], Y[0], Z[0]); glVertex3d(X[1], Y[1], Z[1]);
@@ -778,7 +800,7 @@ void Draw_Simplex_Volume(void *a, void *b)
gl2psDisable(GL2PS_LINE_STIPPLE);
}
- if(CTX.mesh.volumes_faces){
+ if(faces){
if(theColor.type)
glColor4ubv((GLubyte *) & theColor.mesh);
else if(CTX.mesh.color_carousel == 1)
@@ -926,12 +948,16 @@ void Draw_Hexahedron_Volume(void *a, void *b)
Zc *= .125;
Yc *= .125;
+ int edges = CTX.mesh.volumes_edges;
+ int faces = CTX.mesh.volumes_faces;
+
if(CTX.mesh.use_cut_plane) {
- if(CTX.mesh.evalCutPlane(Xc, Yc, Zc) < 0)
- return;
+ if(!intersectCutPlane(8, h->V, &edges, &faces))
+ if(CTX.mesh.evalCutPlane(Xc, Yc, Zc) < 0)
+ return;
}
- if(CTX.mesh.surfaces_faces || CTX.mesh.volumes_faces){
+ if(CTX.mesh.surfaces_faces || faces){
glColor4ubv((GLubyte *) & CTX.color.mesh.line);
}
else{
@@ -953,7 +979,7 @@ void Draw_Hexahedron_Volume(void *a, void *b)
Z[i] = Zc + CTX.mesh.explode * (h->V[i]->Pos.Z - Zc);
}
- if(CTX.mesh.volumes_edges){
+ if(edges){
glBegin(GL_LINE_LOOP);
glVertex3d(X[0], Y[0], Z[0]);
glVertex3d(X[1], Y[1], Z[1]);
@@ -1025,7 +1051,7 @@ void Draw_Hexahedron_Volume(void *a, void *b)
gl2psDisable(GL2PS_LINE_STIPPLE);
}
- if(CTX.mesh.volumes_faces){
+ if(faces){
if(theColor.type)
glColor4ubv((GLubyte *) & theColor.mesh);
else if(CTX.mesh.color_carousel == 1)
@@ -1114,12 +1140,16 @@ void Draw_Prism_Volume(void *a, void *b)
Zc /= 6.;
Yc /= 6.;
+ int edges = CTX.mesh.volumes_edges;
+ int faces = CTX.mesh.volumes_faces;
+
if(CTX.mesh.use_cut_plane) {
- if(CTX.mesh.evalCutPlane(Xc, Yc, Zc) < 0)
- return;
+ if(!intersectCutPlane(6, p->V, &edges, &faces))
+ if(CTX.mesh.evalCutPlane(Xc, Yc, Zc) < 0)
+ return;
}
- if(CTX.mesh.surfaces_faces || CTX.mesh.volumes_faces){
+ if(CTX.mesh.surfaces_faces || faces){
glColor4ubv((GLubyte *) & CTX.color.mesh.line);
}
else{
@@ -1141,7 +1171,7 @@ void Draw_Prism_Volume(void *a, void *b)
Z[i] = Zc + CTX.mesh.explode * (p->V[i]->Pos.Z - Zc);
}
- if(CTX.mesh.volumes_edges){
+ if(edges){
glBegin(GL_LINE_LOOP);
glVertex3d(X[0], Y[0], Z[0]);
glVertex3d(X[1], Y[1], Z[1]);
@@ -1204,7 +1234,7 @@ void Draw_Prism_Volume(void *a, void *b)
gl2psDisable(GL2PS_LINE_STIPPLE);
}
- if(CTX.mesh.volumes_faces){
+ if(faces){
if(theColor.type)
glColor4ubv((GLubyte *) & theColor.mesh);
else if(CTX.mesh.color_carousel == 1)
@@ -1287,12 +1317,16 @@ void Draw_Pyramid_Volume(void *a, void *b)
Zc /= 5.;
Yc /= 5.;
+ int edges = CTX.mesh.volumes_edges;
+ int faces = CTX.mesh.volumes_faces;
+
if(CTX.mesh.use_cut_plane) {
- if(CTX.mesh.evalCutPlane(Xc, Yc, Zc) < 0)
- return;
+ if(!intersectCutPlane(5, p->V, &edges, &faces))
+ if(CTX.mesh.evalCutPlane(Xc, Yc, Zc) < 0)
+ return;
}
- if(CTX.mesh.surfaces_faces || CTX.mesh.volumes_faces){
+ if(CTX.mesh.surfaces_faces || faces){
glColor4ubv((GLubyte *) & CTX.color.mesh.line);
}
else{
@@ -1314,7 +1348,7 @@ void Draw_Pyramid_Volume(void *a, void *b)
Z[i] = Zc + CTX.mesh.explode * (p->V[i]->Pos.Z - Zc);
}
- if(CTX.mesh.volumes_edges){
+ if(edges){
glBegin(GL_LINE_LOOP);
glVertex3d(X[0], Y[0], Z[0]);
glVertex3d(X[1], Y[1], Z[1]);
@@ -1339,7 +1373,7 @@ void Draw_Pyramid_Volume(void *a, void *b)
Draw_String(Num);
}
- if(CTX.mesh.volumes_faces){
+ if(faces){
if(theColor.type)
glColor4ubv((GLubyte *) & theColor.mesh);
else if(CTX.mesh.color_carousel == 1)
--
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