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PrincipalAxisGL.c

/* PrincipalAxisGL.c */
/**********************************************************************************************************
Copyright (c) 2002-2007 Abdul-Rahman Allouche. All rights reserved

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
documentation files (the Gabedit), to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

  The above copyright notice and this permission notice shall be included in all copies or substantial portions
  of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
************************************************************************************************************/


#include "../../Config.h"
#include "GlobalOrb.h"
#include "../Geometry/GeomGlobal.h"
#include "../Utils/Vector3d.h"
#include "../Utils/Transformation.h"
#include "../Utils/Constantes.h"
#include "../Utils/UtilsInterface.h"
#include "../Utils/Utils.h"
#include "../Utils/Jacobi.h"
#include "../Common/Windows.h"
#include "Cylinder.h"
#include "GLArea.h"

#define Deg_Rad 180.0/PI

/************************************************************************/
typedef struct _PrincipalAxisGLDef
{
 gboolean show;
 gboolean negative;
 gboolean def;
 gfloat origin[3];
 gfloat radius;
 gfloat scal;
 gfloat firstVector[3];
 gfloat secondVector[3];
 gfloat thirdVector[3];
 gfloat inertia[3];

 gfloat firstColor[3];
 gfloat secondColor[3];
 gfloat thirdColor[3];
}PrincipalAxisGLDef;

static PrincipalAxisGLDef axis;
/************************************************************************/
void getPrincipalAxisInertias(gfloat* I)
{
      gint i;
      for(i=0;i<3;i++) I[i] = axis.inertia[i];
}
/************************************************************************/
void getPrincipalAxisProperties(gboolean* show, gboolean* negative, gboolean* def, gfloat origin[], gfloat* radius, gfloat* scal,
            gfloat firstVector[],gfloat secondVector[], gfloat thirdVector[],
            gfloat firstColor[],gfloat secondColor[], gfloat thirdColor[])

{
      gint i;
      *show = axis.show;
      *negative = axis.negative;
      *def = axis.def;
      for(i=0;i<3;i++) origin [i] = axis.origin[i];
      *radius = axis.radius;
      *scal = axis.scal;
      for(i=0;i<3;i++)
      {
            firstVector[i] = axis.firstVector[i]; 
            secondVector[i] = axis.secondVector[i]; 
            thirdVector[i] = axis.thirdVector[i]; 
            firstColor[i] = axis.firstColor[i]; 
            secondColor[i] = axis.secondColor[i]; 
            thirdColor[i] = axis.thirdColor[i]; 
      }
}
/************************************************************************/
void initPrincipalAxisGL()
{
      axis.show = FALSE;
      axis.negative = FALSE;
      axis.def = FALSE;
      axis.origin[0] = 0;
      axis.origin[1] = 0;
      axis.origin[2] = 0;
      axis.radius = 0.25;
      axis.scal = 5;

      axis.firstVector[0] = 1.0; 
      axis.firstVector[1] = 0.0; 
      axis.firstVector[2] = 0.0; 

      axis.secondVector[0] = 0.0; 
      axis.secondVector[1] = 1.0; 
      axis.secondVector[2] = 0.0; 

      axis.thirdVector[0] = 0.0; 
      axis.thirdVector[1] = 0.0; 
      axis.thirdVector[2] = 1.0; 

      axis.inertia[0] = 1.0; 
      axis.inertia[1] = 1.0; 
      axis.inertia[2] = 1.0; 

      axis.firstColor[0] = 1.0; 
      axis.firstColor[1] = 0.0; 
      axis.firstColor[2] = 0.0; 

      axis.secondColor[0] = 0.0; 
      axis.secondColor[1] = 1.0; 
      axis.secondColor[2] = 0.0; 

      axis.thirdColor[0] = 0.0; 
      axis.thirdColor[1] = 1.0; 
      axis.thirdColor[2] = 1.0; 
}
/******************************************************************/
void save_principal_axis_properties()
{
      gchar *axesfile;
      FILE *file;

      axesfile = g_strdup_printf("%s%sprincipalAxes",gabedit_directory(),G_DIR_SEPARATOR_S);

      file = FOpen(axesfile, "w");

      fprintf(file,"%d\n",axis.show);
      fprintf(file,"%d\n",axis.negative);
      fprintf(file,"%f %f %f\n",axis.origin[0],axis.origin[1],axis.origin[2]);
      fprintf(file,"%f\n",axis.radius);
      fprintf(file,"%f\n",axis.scal);
      fprintf(file,"%f %f %f\n",axis.firstColor[0],axis.firstColor[1],axis.firstColor[2]);
      fprintf(file,"%f %f %f\n",axis.secondColor[0],axis.secondColor[1],axis.secondColor[2]);
      fprintf(file,"%f %f %f\n",axis.thirdColor[0], axis.thirdColor[1], axis.thirdColor[2]);

      fclose(file);

      g_free(axesfile);
}
/******************************************************************/
void read_principal_axis_properties()
{
      gchar *axesfile;
      FILE *file;
      gint n;

      initPrincipalAxisGL();
      axesfile = g_strdup_printf("%s%sprincipalAxes",gabedit_directory(),G_DIR_SEPARATOR_S);

      file = FOpen(axesfile, "r");
      if(!file) return;

      n = fscanf(file,"%d\n",&axis.show);
      if(n != 1) { initPrincipalAxisGL(); return ; fclose(file); g_free(axesfile);}
      n = fscanf(file,"%d\n",&axis.negative);
      if(n != 1) { initPrincipalAxisGL(); return ; fclose(file); g_free(axesfile);}
      n = fscanf(file,"%f %f %f\n",&axis.origin[0],&axis.origin[1],&axis.origin[2]);
      if(n != 3) { initPrincipalAxisGL(); return ; fclose(file); g_free(axesfile);}
      n = fscanf(file,"%f\n",&axis.radius);
      if(n != 1) { initPrincipalAxisGL(); return ; fclose(file); g_free(axesfile);}
      n = fscanf(file,"%f\n",&axis.scal);
      if(n != 1) { initPrincipalAxisGL(); return ; fclose(file); g_free(axesfile);}
      n = fscanf(file,"%f %f %f\n",&axis.firstColor[0],&axis.firstColor[1],&axis.firstColor[2]);
      if(n != 3) { initPrincipalAxisGL(); return ; fclose(file); g_free(axesfile);}
      n = fscanf(file,"%f %f %f\n",&axis.secondColor[0],&axis.secondColor[1],&axis.secondColor[2]);
      if(n != 3) { initPrincipalAxisGL(); return ; fclose(file); g_free(axesfile);}
      n = fscanf(file,"%f %f %f\n",&axis.thirdColor[0],&axis.thirdColor[1],&axis.thirdColor[2]);
      if(n != 3) { initPrincipalAxisGL(); return ; fclose(file); g_free(axesfile);}

      fclose(file);

      g_free(axesfile);
}
/********************************************************************************/
static void set_rot_matrice(gdouble m[6])
{
      guint i;
      guint ip;
      guint j;
      guint k;
      gdouble a;
      gdouble* XYZ[3];
      gdouble C[3]; /* center of masses*/
      gdouble mt = 0;

      for(i=0;i<3;i++)
      {
            XYZ[i] = g_malloc(Ncenters*sizeof(gdouble));
            C[i] = 0.0;
      }


      for(j=0;j<(guint)Ncenters;j++)
      {
            mt += GeomOrb[j].Prop.masse;
            XYZ[0][j] = GeomOrb[j].C[0];
            XYZ[1][j] = GeomOrb[j].C[1];
            XYZ[2][j] = GeomOrb[j].C[2];
      }
      for(i=0;i<3;i++)
            for(j=0;j<(guint)Ncenters;j++)
                  C[i] += GeomOrb[j].Prop.masse*XYZ[i][j];
      for(i=0;i<3;i++)
            C[i] /= mt;

      for(j=0;j<(guint)Ncenters;j++)
            for(i=0;i<3;i++)
                  XYZ[i][j] -= C[i];
      
      k = 0;
      for(i=0;i<3;i++)
            for(ip=i;ip<3;ip++)
      {
            m[k] = 0.0;

            for(j=0;j<(guint)Ncenters;j++)
            {
                  if(i==ip)
                  a = XYZ[(i+1)%3][j]*XYZ[(ip+1)%3][j]
                    + XYZ[(i+2)%3][j]*XYZ[(ip+2)%3][j];
                  else
                  {
                        a =-XYZ[i][j]*XYZ[ip][j];
                  }
                  m[k] += GeomOrb[j].Prop.masse*a;
            }
            k++;
      }

      for(i=0;i<3;i++)
            g_free(XYZ[i]);
}
/********************************************************************************/
static void compute_the_principal_axis()
{
      gdouble m[6];
      gdouble** v = g_malloc(3*sizeof(gdouble*));
      gint nrot;
      gint i;
      gdouble I[3];

      axis.def = FALSE;
      axis.inertia[0] = 1.0;
      axis.inertia[1] = 1.0;
      axis.inertia[2] = 1.0;
      if(Ncenters<1) return;

      for(i=0;i<3;i++)
       v[i] = g_malloc(3*sizeof(gdouble));

      set_rot_matrice(m);
      jacobi(m, 3,I,v,&nrot);

      axis.firstVector[0] = v[0][0]; 
      axis.firstVector[1] = v[1][0]; 
      axis.firstVector[2] = v[2][0]; 

      axis.secondVector[0] = v[0][1]; 
      axis.secondVector[1] = v[1][1]; 
      axis.secondVector[2] = v[2][1]; 

      axis.thirdVector[0] = v[0][2]; 
      axis.thirdVector[1] = v[1][2]; 
      axis.thirdVector[2] = v[2][2]; 

      axis.inertia[0] = I[0]; 
      axis.inertia[1] = I[1]; 
      axis.inertia[2] = I[2]; 

      for(i=0;i<3;i++) g_free(v[i]);
      g_free(v);
      axis.def = TRUE;
}
/******************************************************************/
static void set_axis(GtkWidget* fp,gpointer data)
{
      GtkWidget** entrys = (GtkWidget**)data;
      gdouble  *vFirst = g_object_get_data(G_OBJECT (fp), "FirstColor");
      gdouble  *vSecond = g_object_get_data(G_OBJECT (fp), "SecondColor");
      gdouble  *vThird = g_object_get_data(G_OBJECT (fp), "ThirdColor");
      gboolean  *negative = g_object_get_data(G_OBJECT (fp), "Negative");
      G_CONST_RETURN gchar* tentry;
      gint i;

      tentry = gtk_entry_get_text(GTK_ENTRY(entrys[0]));
      axis.scal = atof(tentry);
      if(axis.scal<1e-6) axis.scal = 1.0;
      for(i=1;i<4;i++)
      {
            tentry = gtk_entry_get_text(GTK_ENTRY(entrys[i]));
            axis.origin[i-1] = atof(tentry)*ANG_TO_BOHR;
      }

      tentry = gtk_entry_get_text(GTK_ENTRY(entrys[4]));
      axis.radius = atof(tentry)*ANG_TO_BOHR;

      if(axis.radius<1e-6) axis.radius = 0.1;

      for(i=0;i<3;i++)
      {
             axis.firstColor[i] = vFirst[i];
             axis.secondColor[i] = vSecond[i];
             axis.thirdColor[i] = vThird[i];
      }
      axis.negative = *negative;
      rafresh_window_orb();
}
/******************************************************************/
static void set_negative(GtkWidget* button,gpointer data)
{
      gboolean  *negative= g_object_get_data(G_OBJECT (button), "Negative");
      *negative = !(*negative);
}
/******************************************************************/
static void set_axis_color(GtkColorSelection *Sel,gpointer *d)
{
      GdkColor color;
      gdouble  *v = g_object_get_data(G_OBJECT (Sel), "Color");

      gtk_color_selection_get_current_color(Sel,&color);
      
      v[0] =color.red/65535.0;
      v[1] =color.green/65535.0;
      v[2] =color.blue/65535.0;
}
/******************************************************************/
static void set_axis_button_color(GtkObject *button,gpointer *data)
{
      GtkStyle *style = g_object_get_data(G_OBJECT (button), "Style");
      gdouble  *v = g_object_get_data(G_OBJECT (button), "Color");
      GtkWidget *OldButton  = g_object_get_data(G_OBJECT (button), "Button");
      style =  gtk_style_copy(style); 
      style->bg[0].red=(gushort)(v[0]*65535.0);
      style->bg[0].green=(gushort)(v[1]*65535.0);
      style->bg[0].blue=(gushort)(v[2]*65535.0);
      gtk_widget_set_style(OldButton, style);
}
/******************************************************************/
static void open_color_dlg_axis(GtkWidget *button,gpointer data)
{

      GtkColorSelectionDialog *colorDlg;
      GtkStyle* style = g_object_get_data(G_OBJECT (button), "Style");
      GtkWidget *win = g_object_get_data(G_OBJECT (button), "Win");
      gdouble* v = g_object_get_data(G_OBJECT (button), "Color");;
      GdkColor color;

      colorDlg = (GtkColorSelectionDialog *)gtk_color_selection_dialog_new("Set Dipole Color");
      color.red = (gushort)(v[0]*65535);
      color.green = (gushort)(v[1]*65535);
      color.blue = (gushort)(v[2]*65535);
      gtk_color_selection_set_current_color (GTK_COLOR_SELECTION (colorDlg->colorsel), &color);
      gtk_color_selection_set_current_color (GTK_COLOR_SELECTION (colorDlg->colorsel), &color);
      gtk_window_set_transient_for(GTK_WINDOW(colorDlg),GTK_WINDOW(win));
        gtk_window_set_position(GTK_WINDOW(colorDlg),GTK_WIN_POS_CENTER);
      gtk_window_set_modal (GTK_WINDOW (colorDlg), TRUE);
      g_signal_connect(G_OBJECT(colorDlg), "delete_event",(GtkSignalFunc)destroy_button_windows,NULL);
      g_signal_connect(G_OBJECT(colorDlg), "delete_event",GTK_SIGNAL_FUNC(gtk_widget_destroy),NULL);

      g_object_set_data(G_OBJECT (colorDlg->colorsel), "Color", v);
      gtk_widget_hide(colorDlg->help_button);
      g_signal_connect_swapped(G_OBJECT(colorDlg->ok_button),"clicked",
            (GtkSignalFunc)set_axis_color,GTK_OBJECT(colorDlg->colorsel));

      g_object_set_data(G_OBJECT (colorDlg->ok_button), "Color", v);
      g_object_set_data(G_OBJECT (colorDlg->ok_button), "Button", button);
      g_object_set_data(G_OBJECT (colorDlg->ok_button), "Style", style);
      g_signal_connect(G_OBJECT(colorDlg->ok_button),"clicked", (GtkSignalFunc)set_axis_button_color,NULL);

      g_signal_connect_swapped(G_OBJECT(colorDlg->ok_button), "clicked",
            (GtkSignalFunc)destroy_button_windows,GTK_OBJECT(colorDlg));
      g_signal_connect_swapped(G_OBJECT(colorDlg->ok_button),"clicked",
            (GtkSignalFunc)gtk_widget_destroy,GTK_OBJECT(colorDlg));

      g_signal_connect_swapped(G_OBJECT(colorDlg->cancel_button), "clicked",
            (GtkSignalFunc)destroy_button_windows,GTK_OBJECT(colorDlg));
      g_signal_connect_swapped(G_OBJECT(colorDlg->cancel_button),"clicked",
            (GtkSignalFunc)gtk_widget_destroy,GTK_OBJECT(colorDlg));

      add_button_windows(" Set Color ",GTK_WIDGET(colorDlg));
      gtk_widget_show(GTK_WIDGET(colorDlg));

}
/*********************************************************************/
void set_principal_axisGL_dialog ()
{
  GtkWidget *fp;
  GtkWidget *frame;
  GtkWidget *vboxall;
  GtkWidget *vboxframe;
  GtkWidget *hbox;
  GtkWidget *button;
  GtkStyle *style;
  GtkWidget *table;
  static GtkWidget* entrys[5];
  static gdouble vFirst[3];
  static gdouble vSecond[3];
  static gdouble vThird[3];
  static gboolean negative;
  gchar* tlabel[5]={"Factor","X Origin(Ang)","Y Origin(Ang)","Z Origin(Ang)","Radius"};
  gint i;
  gchar tmp[1024];

  /* principal Window */
  fp = gtk_window_new(GTK_WINDOW_TOPLEVEL);
  gtk_window_set_title(GTK_WINDOW(fp),"Set the principal axis parameters");
  gtk_container_set_border_width (GTK_CONTAINER (fp), 5);

  gtk_window_set_position(GTK_WINDOW(fp),GTK_WIN_POS_CENTER);
  gtk_window_set_modal (GTK_WINDOW (fp), TRUE);
  gtk_window_set_transient_for(GTK_WINDOW(fp),GTK_WINDOW(PrincipalWindow));

  g_signal_connect(G_OBJECT(fp),"delete_event",(GtkSignalFunc)gtk_widget_destroy,NULL);

  vboxall = create_vbox(fp);
  frame = gtk_frame_new (NULL);
  gtk_container_set_border_width (GTK_CONTAINER (frame), 5);
  gtk_container_add (GTK_CONTAINER (vboxall), frame);
  gtk_widget_show (frame);

  vboxframe = create_vbox(frame);
  table = gtk_table_new(9,4,FALSE);
  gtk_box_pack_start_defaults(GTK_BOX(vboxframe), table);
  for(i=0;i<5;i++)
  {
      add_label_table(table,tlabel[i],(gushort)i,0);
      add_label_table(table," : ",(gushort)i,1); 

      entrys[i] = gtk_entry_new ();
      gtk_widget_show (entrys[i]);
      gtk_table_attach(GTK_TABLE(table),entrys[i],2,2+1,i,i+1,
              (GtkAttachOptions)(GTK_FILL | GTK_EXPAND) ,
              (GtkAttachOptions)(GTK_FILL | GTK_EXPAND),
              3,3);

      if(i!=0)
      {
            if(i==4)
            {
                  gchar* t = g_strdup_printf("%f",axis.radius*BOHR_TO_ANG);
                  gtk_entry_set_text(GTK_ENTRY(entrys[i]),t);
                  g_free(t);
            }
            else
            {
                  gchar* t = g_strdup_printf("%f",axis.origin[i-1]*BOHR_TO_ANG);
                  gtk_entry_set_text(GTK_ENTRY(entrys[i]),t);
                  g_free(t);
            }
      }
      else
      {
            gchar* t = g_strdup_printf("%f",axis.scal);
            gtk_entry_set_text(GTK_ENTRY(entrys[i]),t);
            g_free(t);
      }
  }

  i = 5;
  add_label_table(table,"Color for the first axis ",(gushort)i,0);
  add_label_table(table," : ",(gushort)i,1); 
  style = gtk_widget_get_style(fp);
  button = gtk_button_new_with_label(" ");
  style =  gtk_style_copy(style); 
  style->bg[0].red=axis.firstColor[0]*65535.0;
  style->bg[0].green=axis.firstColor[1]*65535.0;
  style->bg[0].blue=axis.firstColor[2]*65535.0;

  vFirst[0] = axis.firstColor[0];
  vFirst[1] = axis.firstColor[1];
  vFirst[2] = axis.firstColor[2];

  gtk_widget_set_style(button, style );
  gtk_table_attach(GTK_TABLE(table),button,2,2+1,i,i+1,
              (GtkAttachOptions)(GTK_FILL | GTK_EXPAND) ,
              (GtkAttachOptions)(GTK_FILL | GTK_EXPAND),
              3,3);
  gtk_widget_show (button);

  g_object_set_data(G_OBJECT (button), "Style", style);
  g_object_set_data(G_OBJECT (button), "Win", fp);
  g_object_set_data(G_OBJECT (button), "Color", vFirst);
  g_signal_connect(G_OBJECT(button), "clicked", (GtkSignalFunc)open_color_dlg_axis, NULL);
  sprintf(tmp," I = %0.6f",axis.inertia[0]);
  add_label_table(table,tmp,(gushort)i,3);

  i++;
  add_label_table(table,"Color for the second axis ",(gushort)i,0);
  add_label_table(table," : ",(gushort)i,1); 

  style = gtk_widget_get_style(fp);
  button = gtk_button_new_with_label(" ");
  style =  gtk_style_copy(style); 
  style->bg[0].red=axis.secondColor[0]*65535.0;
  style->bg[0].green=axis.secondColor[1]*65535.0;
  style->bg[0].blue=axis.secondColor[2]*65535.0;

  vSecond[0] = axis.secondColor[0];
  vSecond[1] = axis.secondColor[1];
  vSecond[2] = axis.secondColor[2];

  gtk_widget_set_style(button, style );
  gtk_table_attach(GTK_TABLE(table),button,2,2+1,i,i+1,
              (GtkAttachOptions)(GTK_FILL | GTK_EXPAND) ,
              (GtkAttachOptions)(GTK_FILL | GTK_EXPAND),
              3,3);
  gtk_widget_show (button);
  g_object_set_data(G_OBJECT (button), "Style", style);
  g_object_set_data(G_OBJECT (button), "Win", fp);
  g_object_set_data(G_OBJECT (button), "Color", vSecond);
  g_signal_connect(G_OBJECT(button), "clicked", (GtkSignalFunc)open_color_dlg_axis, NULL);
  sprintf(tmp," I = %0.6f",axis.inertia[1]);
  add_label_table(table,tmp,(gushort)i,3);

  i++;
  add_label_table(table,"Color for the third axis ",(gushort)i,0);
  add_label_table(table," : ",(gushort)i,1); 

  style = gtk_widget_get_style(fp);
  button = gtk_button_new_with_label(" ");
  style =  gtk_style_copy(style); 
  style->bg[0].red=axis.thirdColor[0]*65535.0;
  style->bg[0].green=axis.thirdColor[1]*65535.0;
  style->bg[0].blue=axis.thirdColor[2]*65535.0;

  vThird[0] = axis.thirdColor[0];
  vThird[1] = axis.thirdColor[1];
  vThird[2] = axis.thirdColor[2];

  gtk_widget_set_style(button, style );
  gtk_table_attach(GTK_TABLE(table),button,2,2+1,i,i+1,
              (GtkAttachOptions)(GTK_FILL | GTK_EXPAND) ,
              (GtkAttachOptions)(GTK_FILL | GTK_EXPAND),
              3,3);
  gtk_widget_show (button);
  g_object_set_data(G_OBJECT (button), "Style", style);
  g_object_set_data(G_OBJECT (button), "Win", fp);
  g_object_set_data(G_OBJECT (button), "Color", vThird);
  g_signal_connect(G_OBJECT(button), "clicked", (GtkSignalFunc)open_color_dlg_axis, NULL);
  sprintf(tmp," I = %0.6f",axis.inertia[2]);
  add_label_table(table,tmp,(gushort)i,3);

  i++;
  button = gtk_check_button_new_with_label ("Show the negative part of the axes");
  negative = axis.negative;
  g_object_set_data(G_OBJECT (button), "Negative", &negative);
  gtk_table_attach(GTK_TABLE(table),button,0,3,i,i+1,
              (GtkAttachOptions)(GTK_FILL | GTK_EXPAND) ,
              (GtkAttachOptions)(GTK_FILL | GTK_EXPAND),
              3,3);
  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), negative);
  g_signal_connect(G_OBJECT(button), "clicked", (GtkSignalFunc)set_negative, NULL);


  hbox = create_hbox(vboxall);
  button = create_button(PrincipalWindow,"OK");
  gtk_box_pack_start (GTK_BOX( hbox), button, TRUE, TRUE, 3);
  g_object_set_data(G_OBJECT (button), "FirstColor", vFirst);
  g_object_set_data(G_OBJECT (button), "SecondColor", vSecond);
  g_object_set_data(G_OBJECT (button), "ThirdColor", vThird);
  g_object_set_data(G_OBJECT (button), "Negative", &negative);
  g_signal_connect(G_OBJECT(button), "clicked",GTK_SIGNAL_FUNC(set_axis),(gpointer)entrys);
  g_signal_connect_swapped(G_OBJECT(button), "clicked",GTK_SIGNAL_FUNC(gtk_widget_destroy),GTK_OBJECT(fp));
  gtk_widget_show (button);

  button = create_button(PrincipalWindow,"Apply");
  gtk_box_pack_start (GTK_BOX( hbox), button, TRUE, TRUE, 3);
  g_object_set_data(G_OBJECT (button), "FirstColor", vFirst);
  g_object_set_data(G_OBJECT (button), "SecondColor", vSecond);
  g_object_set_data(G_OBJECT (button), "ThirdColor", vThird);
  g_object_set_data(G_OBJECT (button), "Negative", &negative);
  g_signal_connect(G_OBJECT(button), "clicked",GTK_SIGNAL_FUNC(set_axis),(gpointer)entrys);
  gtk_widget_show (button);

  button = create_button(PrincipalWindow,"Close");
  gtk_box_pack_start (GTK_BOX( hbox), button, TRUE, TRUE, 3);
  g_signal_connect_swapped(G_OBJECT(button), "clicked",GTK_SIGNAL_FUNC(gtk_widget_destroy),GTK_OBJECT(fp));

  gtk_widget_show (button);
   
  gtk_widget_show_all(fp);
}
/************************************************************************/
gboolean testShowPrincipalAxisGL()
{
      return axis.show;
}
/************************************************************************/
void showPrincipalAxisGL()
{
      axis.show = TRUE;
}
/************************************************************************/
void hidePrincipalAxisGL()
{
      axis.show = FALSE;
}
/************************************************************************/
static void rotatedVector(V3d v)
{
      V3d vz={0.0,0.0,1.0};
      V3d   vert;
      gfloat angle;


      v3d_cross(vz,v,vert);
      angle = acos(v3d_dot(vz,v)/v3d_length(v))*Deg_Rad;
        
      if(fabs(angle)<1e-6)
            return;
      if(fabs(angle-180)<1e-6)
            glRotated(angle, 1.0, 0.0, 0.0);
      else
      glRotated(angle, vert[0],vert[1],vert[2]);

}
/************************************************************************/
static void drawPrism(GLfloat radius,V3d Base1Pos,V3d Base2Pos)
{
            V3d Direction;
            double lengt;
            GLUquadricObj *obj;
            glPushMatrix();
            glTranslated(Base1Pos[0],Base1Pos[1],Base1Pos[2]);
            Direction[0] = Base2Pos[0]-Base1Pos[0];
            Direction[1] = Base2Pos[1]-Base1Pos[1];
            Direction[2] = Base2Pos[2]-Base1Pos[2];
            lengt = v3d_length(Direction);

            rotatedVector(Direction);
            obj = gluNewQuadric();
            gluQuadricNormals(obj, GL_SMOOTH);
            gluQuadricDrawStyle(obj, GLU_FILL);
            gluCylinder (obj,radius,radius/5,lengt,10,10);
            gluDeleteQuadric(obj);
            glPopMatrix(); 
}

/***************************************************************************************************************/
static void drawPrismColor(GLfloat radius,V3d Base1Pos,V3d Base2Pos, V4d Specular,V4d Diffuse,V4d Ambiant)
{
      glMaterialfv(GL_FRONT_AND_BACK,GL_SPECULAR,Specular);
      glMaterialfv(GL_FRONT_AND_BACK,GL_DIFFUSE,Diffuse);
      glMaterialfv(GL_FRONT_AND_BACK,GL_AMBIENT,Ambiant);
      glMateriali(GL_FRONT_AND_BACK,GL_SHININESS,50);
      drawPrism(radius,Base1Pos,Base2Pos);
}
/***************************************************************************************************************/
static void drawAxis(V3d vector, GLfloat radius,V3d origin, V4d specular,V4d diffuse,V4d ambiant)
{
      GLfloat p1=90;
      GLfloat p2=10;
      GLfloat p = p1 + p2;
      V3d bottom;
      V3d top;
      V3d center;
      double lengt;
      gint i;
      V4d diffuseFleche;
      V4d ambiantFleche;

      bottom[0] = origin[0];
      bottom[1] = origin[1];
      bottom[2] = origin[2];
      if(axis.negative)
      {
            bottom[0] -= vector[0];
            bottom[1] -= vector[1];
            bottom[2] -= vector[2];
      }

      top[0] = origin[0] + vector[0];
      top[1] = origin[1] + vector[1];
      top[2] = origin[2] + vector[2];

      lengt = v3d_length(vector);

      if(radius<0.1) radius = 0.1;

      center[0] = (bottom[0]*p2 + top[0]*p1)/p;
      center[1] = (bottom[1]*p2 + top[1]*p1)/p;
      center[2] = (bottom[2]*p2 + top[2]*p1)/p;

      Cylinder_Draw_Color(radius/2,bottom,center,specular,diffuse,ambiant);
      for(i=0;i<3;i++)
      {
            diffuseFleche[i] = diffuse[i] *0.6;
            ambiantFleche[i] = ambiant[i] *0.6;
      }
      diffuseFleche[3] = diffuse[3];
      ambiantFleche[3] = ambiant[3];

      drawPrismColor(radius,center,top,specular,diffuseFleche,ambiantFleche);
}
/************************************************************************/
GLuint principalAxisGenList(GLuint axisList)
{
      V4d specular = {1.0f,1.0f,1.0f,1.0f};
      V4d FirstDiffuse = {1.0f,1.0f,1.0f,1.0f};
      V4d FirstAmbiant = {1.0f,1.0f,1.0f,1.0f};
      V4d secondDiffuse = {1.0f,1.0f,1.0f,1.0f};
      V4d secondAmbiant = {1.0f,1.0f,1.0f,1.0f};
      V4d thirdDiffuse = {1.0f,1.0f,1.0f,1.0f};
      V4d thirdAmbiant = {1.0f,1.0f,1.0f,1.0f};
      V3d firstVector = {1.0f,1.0f,1.0f};
      V3d secondVector = {1.0f,1.0f,1.0f};
      V3d thirdVector = {1.0f,1.0f,1.0f};
      GLfloat radius = axis.radius;
      gint i;

      if (glIsList(axisList) == GL_TRUE) glDeleteLists(axisList,1);

      compute_the_principal_axis();

      if(!axis.def) return 0;

      for(i=0;i<3;i++)
      {
            FirstDiffuse[i] = axis.firstColor[i];
            secondDiffuse[i] = axis.secondColor[i];
            thirdDiffuse[i] = axis.thirdColor[i];

            FirstAmbiant[i] = FirstDiffuse[i]/10;
            secondAmbiant[i] = secondDiffuse[i]/10;
            thirdAmbiant[i] = thirdDiffuse[i]/10;
      }
      FirstDiffuse[3] = 1;
      FirstAmbiant[3] = 1;

      secondDiffuse[3] = 1;
      secondAmbiant[3] = 1;

      thirdDiffuse[3] = 1;
      thirdAmbiant[3] = 1;

      for(i=0;i<3;i++)
      {
            firstVector[i]   =  axis.firstVector[i]*axis.scal;
            secondVector[i]   =  axis.secondVector[i]*axis.scal;
            thirdVector[i] =  axis.thirdVector[i]*axis.scal;
      }
      

      

    axisList = glGenLists(1);
      glNewList(axisList, GL_COMPILE);
      drawAxis(firstVector, radius, axis.origin,  specular, FirstDiffuse, FirstAmbiant);
      drawAxis(secondVector, radius, axis.origin,  specular, secondDiffuse, secondAmbiant);
      drawAxis(thirdVector, radius, axis.origin,  specular, thirdDiffuse, thirdAmbiant);
      glEndList();
      return axisList;
}
/************************************************************************/
void principalAxisShowList(GLuint axisList)
{
      if(TypeGeom==GABEDIT_TYPEGEOM_NO) return;

      if(!axis.show) return;
      if(!axis.def) return;

      if (glIsList(axisList) == GL_TRUE) glCallList(axisList);

}
/************************************************************************/



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