*** empty log message ***

demos/anim-all.script

+//
+// Animate all visible views and save the animation as a 320x240 mpeg
+// and a 320x240 animated gif
+// 
+// Requirements: mpeg_encode, whirlgif and a UNIX shell
+//
+// Usage: gmsh file(s) anim-all.script
+//
+// Output: anim.mpg and anim.gif
+//
+
+General.GraphicsWidth = 320 ; 
+General.GraphicsHeight = 240 ;
+PostProcessing.Link = 1;
+
+For i In {1:View[0].NbTimeStep}
+
+  Draw;
+  If (i < 10)
+    Print Sprintf("anim-00%g.jpg", i);
+    Print Sprintf("anim-00%g.gif", i);
+  EndIf
+  If (i >= 10 && i < 100)
+    Print Sprintf("anim-0%g.jpg", i);
+    Print Sprintf("anim-0%g.gif", i);
+  EndIf
+  If (i >= 100)
+    Print Sprintf("anim-%g.jpg", i);
+    Print Sprintf("anim-%g.gif", i);
+  EndIf
+  View[0].TimeStep++;
+
+EndFor
+
+// create the parameter file for mpeg_encode
+
+System 'echo "PATTERN          I"               > anim.par' ;
+System 'echo "BASE_FILE_FORMAT JPEG"           >> anim.par' ;
+System 'echo "GOP_SIZE         30"             >> anim.par' ;
+System 'echo "SLICES_PER_FRAME 1"              >> anim.par' ;
+System 'echo "PIXEL            HALF"           >> anim.par' ;
+System 'echo "RANGE            10"             >> anim.par' ;
+System 'echo "PSEARCH_ALG      TWOLEVEL"       >> anim.par' ;
+System 'echo "BSEARCH_ALG      CROSS2"         >> anim.par' ;
+System 'echo "IQSCALE          8"              >> anim.par' ;
+System 'echo "PQSCALE          10"             >> anim.par' ;
+System 'echo "BQSCALE          25"             >> anim.par' ;
+System 'echo "REFERENCE_FRAME  ORIGINAL"       >> anim.par' ;
+System 'echo "OUTPUT           anim.mpg"       >> anim.par' ;
+System 'echo "INPUT_CONVERT    *"              >> anim.par' ;
+System 'echo "INPUT_DIR        ."              >> anim.par' ;
+System 'echo "INPUT"                           >> anim.par' ;
+If (View[0].NbTimeStep < 10)
+  System Sprintf('echo "anim-*.jpg [001-00%g]" >> anim.par', View[0].NbTimeStep) ;
+EndIf
+If (View[0].NbTimeStep >= 10 && View[0].NbTimeStep < 100)
+  System Sprintf('echo "anim-*.jpg [001-0%g]"  >> anim.par', View[0].NbTimeStep) ;
+EndIf
+If (View[0].NbTimeStep >= 100)
+  System Sprintf('echo "anim-*.jpg [001-%g]"   >> anim.par', View[0].NbTimeStep) ;
+EndIf
+System 'echo "END_INPUT"                       >> anim.par' ;
+
+// Call mpeg_encode
+
+System "mpeg_encode anim.par" ;
+
+// Call whirlgif
+
+System "whirlgif -loop -o anim.gif anim-*.gif" ;
+
+// Clean-up all temp files
+
+System "rm -f anim-*.gif" ;
+System "rm -f anim-*.jpg" ;
+System "rm -f anim.par" ;
+
+// One could also rename the output files with the view name
+
+// System StrCat( StrCat("mv anim.gif ", Sprintf(View[0].Name)), ".gif");
+// System StrCat( StrCat("mv anim.mpg ", Sprintf(View[0].Name)), ".mpg");
+

demos/anim-seq.script

+//
+// Animate all loaded views sequentially and save the animation as
+// a 320x240 mpeg and a 320x240 animated gif
+// 
+// Requirements: mpeg_encode, whirlgif and a UNIX shell
+//
+// Usage: gmsh file(s) anim-seq.script
+//
+// Output: anim.mpg and anim.gif
+//
+
+General.GraphicsWidth = 320 ; 
+General.GraphicsHeight = 240 ;
+PostProcessing.Link = 0;
+
+// Hide all views
+
+For i In {1:PostProcessing.NbViews}
+  View[i-1].Visible = 0;
+EndFor
+
+// Loop on all views
+
+index = 0;
+
+For i In {1:PostProcessing.NbViews}
+
+  // Display view i-1
+
+  View[i-1].Visible = 1;
+
+  // Loop on all solutions in view i-1
+
+  For j In {1:View[i-1].NbTimeStep}
+
+    index++;
+    Draw;
+    If (index < 10)
+      Print Sprintf("anim-00%g.jpg", index);
+      Print Sprintf("anim-00%g.gif", index);
+    EndIf
+    If (index >= 10 && index < 100)
+      Print Sprintf("anim-0%g.jpg", index);
+      Print Sprintf("anim-0%g.gif", index);
+    EndIf
+    If (index >= 100)
+      Print Sprintf("anim-%g.jpg", index);
+      Print Sprintf("anim-%g.gif", index);
+    EndIf
+    View[i-1].TimeStep++;
+
+  EndFor
+
+  View[i-1].Visible = 0;
+
+EndFor
+
+// create the parameter file for mpeg_encode
+
+System 'echo "PATTERN          I"               > anim.par' ;
+System 'echo "BASE_FILE_FORMAT JPEG"           >> anim.par' ;
+System 'echo "GOP_SIZE         30"             >> anim.par' ;
+System 'echo "SLICES_PER_FRAME 1"              >> anim.par' ;
+System 'echo "PIXEL            HALF"           >> anim.par' ;
+System 'echo "RANGE            10"             >> anim.par' ;
+System 'echo "PSEARCH_ALG      TWOLEVEL"       >> anim.par' ;
+System 'echo "BSEARCH_ALG      CROSS2"         >> anim.par' ;
+System 'echo "IQSCALE          8"              >> anim.par' ;
+System 'echo "PQSCALE          10"             >> anim.par' ;
+System 'echo "BQSCALE          25"             >> anim.par' ;
+System 'echo "REFERENCE_FRAME  ORIGINAL"       >> anim.par' ;
+System 'echo "OUTPUT           anim.mpg"       >> anim.par' ;
+System 'echo "INPUT_CONVERT    *"              >> anim.par' ;
+System 'echo "INPUT_DIR        ."              >> anim.par' ;
+System 'echo "INPUT"                           >> anim.par' ;
+If (index < 10)
+  System Sprintf('echo "anim-*.jpg [001-00%g]" >> anim.par', index) ;
+EndIf
+If (index >= 10 && index < 100)
+  System Sprintf('echo "anim-*.jpg [001-0%g]"  >> anim.par', index) ;
+EndIf
+If (index >= 100)
+  System Sprintf('echo "anim-*.jpg [001-%g]"   >> anim.par', index) ;
+EndIf
+System 'echo "END_INPUT"                       >> anim.par' ;
+
+// Call mpeg_encode
+
+System "mpeg_encode anim.par" ;
+
+// Call whirlgif
+
+System "whirlgif -loop -o anim.gif anim-*.gif" ;
+
+// Clean-up all temp files
+
+System "rm -f anim-*.gif" ;
+System "rm -f anim-*.jpg" ;
+System "rm -f anim.par" ;
+