From 5184992d239e4872c0e596f80e90f8a36fa5f23e Mon Sep 17 00:00:00 2001
From: Christophe Geuzaine <cgeuzaine@ulg.ac.be>
Date: Tue, 5 Dec 2000 18:38:11 +0000
Subject: [PATCH] Enhanced trackball + compatibility with set_r
---
Common/Context.cpp | 29 +++++++++++++++++------------
Common/Context.h | 3 ++-
Common/Options.h | 5 ++++-
Unix/CbInput.cpp | 9 +++++++--
Unix/CbOptions.cpp | 30 ++++++++++++++++++++++++------
Unix/Main.cpp | 6 +++++-
6 files changed, 59 insertions(+), 23 deletions(-)
diff --git a/Common/Context.cpp b/Common/Context.cpp
index 65f6fa3fde..0cd885adeb 100644
--- a/Common/Context.cpp
+++ b/Common/Context.cpp
@@ -1,4 +1,4 @@
-/* $Id: Context.cpp,v 1.11 2000-12-05 16:59:11 remacle Exp $ */
+/* $Id: Context.cpp,v 1.12 2000-12-05 18:38:08 geuzaine Exp $ */
#include "Gmsh.h"
#include "Const.h"
@@ -346,10 +346,6 @@ void Init_Context(void){
// Default color options
Init_Colors(0);
- CTX.useTrackball = 1;
- trackball(CTX.quaternion, 0.0, 0.0, 0.0, 0.0);
-
- //Print_Context(stdout);
}
void Print_Context(FILE *file){
@@ -396,20 +392,25 @@ void Print_Context(FILE *file){
void Context_T::buildRotmatrix(float m[4][4])
{
+ double r0, r1, r2;
+ extern void set_r(int i, double val);
+
build_rotmatrix(m, quaternion);
- r[1] = atan2(-m[0][2],sqrt(m[1][2]*m[1][2] + m[2][2]*m[2][2]));
+ r1 = atan2(-m[0][2],sqrt(m[1][2]*m[1][2] + m[2][2]*m[2][2]));
- double c = cos(r[1]);
+ double c = cos(r1);
if(c != 0.0)
{
- r[0] = atan2(m[1][2]/c,m[2][2]/c);
- r[2] = atan2(-m[1][0]/c,m[0][0]/c);
- r[0] *= 180./(Pi);
- r[2] *= 180./(Pi);
+ r0 = atan2(m[1][2]/c,m[2][2]/c) ;
+ r2 = atan2(-m[1][0]/c,m[0][0]/c) ;
+ r0 *= 180./(Pi);
+ r2 *= 180./(Pi);
}
// lazyyyyyy
- r[1] *= 180./(Pi);
+ set_r(0, r0);
+ set_r(1, r1 * 180./(Pi));
+ set_r(2, r2);
}
void Context_T::addQuaternion (float p1x, float p1y, float p2x, float p2y)
@@ -419,3 +420,7 @@ void Context_T::addQuaternion (float p1x, float p1y, float p2x, float p2y)
add_quats(quat, quaternion, quaternion);
}
+void Context_T::setQuaternion (float p1x, float p1y, float p2x, float p2y)
+{
+ trackball(quaternion,p1x,p1y,p2x,p2y);
+}
diff --git a/Common/Context.h b/Common/Context.h
index f1ae9985c8..206f936961 100644
--- a/Common/Context.h
+++ b/Common/Context.h
@@ -1,4 +1,4 @@
-/* $Id: Context.h,v 1.12 2000-12-05 16:59:11 remacle Exp $ */
+/* $Id: Context.h,v 1.13 2000-12-05 18:38:08 geuzaine Exp $ */
#ifndef _CONTEXT_H_
#define _CONTEXT_H_
@@ -146,6 +146,7 @@ class Context_T {
// trackball functions
void buildRotmatrix(float m[4][4]);
+ void setQuaternion (float p1x, float p1y, float p2x, float p2y);
void addQuaternion (float p1x, float p1y, float p2x, float p2y);
};
diff --git a/Common/Options.h b/Common/Options.h
index a4cf563332..943eaacd36 100644
--- a/Common/Options.h
+++ b/Common/Options.h
@@ -1,4 +1,4 @@
-/* $Id: Options.h,v 1.1 2000-12-05 15:28:22 geuzaine Exp $ */
+/* $Id: Options.h,v 1.2 2000-12-05 18:38:09 geuzaine Exp $ */
#ifndef _OPTIONS_H_
#define _OPTIONS_H_
@@ -56,6 +56,7 @@ StringXNumber GeneralOptions_Number[] = {
{ "SameVisual" , GMSH_INT, (void*)&CTX.same_visual , 0. },
{ "Flash" , GMSH_INT, (void*)&CTX.flash , 0. },
{ "AlphaBlending", GMSH_INT, (void*)&CTX.alpha , 0. },
+ { "Trackball" , GMSH_INT, (void*)&CTX.useTrackball , 1. },
{ "Clip0" , GMSH_INT, (void*)&CTX.clip[0] , 0. },
{ "Clip1" , GMSH_INT, (void*)&CTX.clip[1] , 0. },
{ "Clip2" , GMSH_INT, (void*)&CTX.clip[2] , 0. },
@@ -140,6 +141,8 @@ StringXNumber PrintOptions_Number[] = {
// ARRAYS
StringXArray GeneralOptions_Array[] = {
+ { "TrackballQuaternion" ,
+ GMSH_FLOAT, CTX.quaternion , 0., 0., 0., 1. },
{ "ClipPlane0" , GMSH_DOUBLE, CTX.clip_plane[0] , 0., 0., 0., 0. },
{ "ClipPlane1" , GMSH_DOUBLE, CTX.clip_plane[1] , 0., 0., 0., 0. },
{ "ClipPlane2" , GMSH_DOUBLE, CTX.clip_plane[2] , 0., 0., 0., 0. },
diff --git a/Unix/CbInput.cpp b/Unix/CbInput.cpp
index 95630d4d63..9267ff88ac 100644
--- a/Unix/CbInput.cpp
+++ b/Unix/CbInput.cpp
@@ -1,4 +1,4 @@
-/* $Id: CbInput.cpp,v 1.9 2000-12-05 16:59:11 remacle Exp $ */
+/* $Id: CbInput.cpp,v 1.10 2000-12-05 18:38:11 geuzaine Exp $ */
#include "Gmsh.h"
#include "GmshUI.h"
@@ -455,7 +455,12 @@ void InputCb (Widget w, XtPointer client_data, GLwDrawingAreaCallbackStruct *cb)
case 3:
if(Modifier && !ZoomClick){
Modifier = 0;
- set_r(0,0.); set_r(1,0.); set_r(2,0.);
+ if(CTX.useTrackball){
+ CTX.setQuaternion(0.,0.,0.,0.);
+ }
+ else{
+ set_r(0,0.); set_r(1,0.); set_r(2,0.);
+ }
set_t(0,0.); set_t(1,0.); set_t(2,0.);
set_s(0,1.); set_s(1,1.); set_s(2,1.);
Init();
diff --git a/Unix/CbOptions.cpp b/Unix/CbOptions.cpp
index 656ac7982e..c80a12bd52 100644
--- a/Unix/CbOptions.cpp
+++ b/Unix/CbOptions.cpp
@@ -1,4 +1,4 @@
-/* $Id: CbOptions.cpp,v 1.9 2000-12-05 15:23:58 geuzaine Exp $ */
+/* $Id: CbOptions.cpp,v 1.10 2000-12-05 18:38:11 geuzaine Exp $ */
#include "Gmsh.h"
#include "GmshUI.h"
@@ -95,11 +95,29 @@ void OptionsCb (Widget w, XtPointer client_data, XtPointer call_data){
case OPTIONS_SCALEX_LOCKED : CTX.slock[0] = !CTX.slock[0]; break;
case OPTIONS_SCALEY_LOCKED : CTX.slock[1] = !CTX.slock[1]; break;
case OPTIONS_SCALEZ_LOCKED : CTX.slock[2] = !CTX.slock[2]; break;
- case OPTIONS_XVIEW : set_r(0,0.); set_r(1,90.);set_r(2,0.); Init(); Draw(); break;
- case OPTIONS_YVIEW : set_r(0,-90.);set_r(1,0.); set_r(2,0.); Init(); Draw(); break;
- case OPTIONS_ZVIEW : set_r(0,0.); set_r(1,0.); set_r(2,0.); Init(); Draw(); break;
- case OPTIONS_CVIEW : set_t(0,0.); set_t(1,0.); set_t(2,0.);
- set_s(0,1.); set_s(1,1.); set_s(2,1.); Init(); Draw(); break;
+ case OPTIONS_XVIEW :
+ if(CTX.useTrackball)
+ CTX.setQuaternion(0.,0.,1.,0.);
+ set_r(0,0.); set_r(1,90.);set_r(2,0.);
+ Init(); Draw();
+ break;
+ case OPTIONS_YVIEW :
+ if(CTX.useTrackball)
+ CTX.setQuaternion(0.,-1.,0.,0.);
+ set_r(0,-90.);set_r(1,0.); set_r(2,0.);
+ Init(); Draw();
+ break;
+ case OPTIONS_ZVIEW :
+ if(CTX.useTrackball)
+ CTX.setQuaternion(0.,0.,0.,0.);
+ set_r(0,0.); set_r(1,0.); set_r(2,0.);
+ Init(); Draw();
+ break;
+ case OPTIONS_CVIEW :
+ set_t(0,0.); set_t(1,0.); set_t(2,0.);
+ set_s(0,1.); set_s(1,1.); set_s(2,1.);
+ Init(); Draw();
+ break;
case OPTIONS_PVIEW :
XGetWindowAttributes(XtDisplay(WID.G.shell),XtWindow(WID.G.shell),&xattrib);
fprintf(stderr, "-geometry %dx%d -viewport %g %g %g %g %g %g %g %g %g\n",
diff --git a/Unix/Main.cpp b/Unix/Main.cpp
index ddb8f1ff5f..f4c9b77283 100644
--- a/Unix/Main.cpp
+++ b/Unix/Main.cpp
@@ -1,4 +1,4 @@
-/* $Id: Main.cpp,v 1.17 2000-12-05 15:47:07 geuzaine Exp $ */
+/* $Id: Main.cpp,v 1.18 2000-12-05 18:38:11 geuzaine Exp $ */
#include <signal.h>
@@ -61,6 +61,7 @@ char gmsh_help[] =
" -nodb disable double buffering\n"
" -noov disable overlay visual\n"
" -alpha enable alpha blending\n"
+ " -notrack use old interactive rotation mode\n"
" -geometry geom specify main window geometry\n"
" -viewport 9*float specify rotation, translation and scale\n"
" -display disp specify display\n"
@@ -233,6 +234,9 @@ void Get_Options (int argc, char *argv[], int *nbfiles) {
else if(!strcmp(argv[i]+1, "alpha")){
CTX.alpha = 1; i++;
}
+ else if(!strcmp(argv[i]+1, "notrack")){
+ CTX.useTrackball = 0; i++;
+ }
else if(!strcmp(argv[i]+1, "flash")){
CTX.flash = 1; i++;
}
--
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