diff --git a/tutorial/t8.geo b/tutorial/t8.geo
index e4aa22df4b970ca76ede1b29480c4810b444b6f8..6bcd10f2493df95ee4653e6d6cacac8da7e5f7af 100644
--- a/tutorial/t8.geo
+++ b/tutorial/t8.geo
@@ -1,7 +1,7 @@
-/*********************************************************************
+/*********************************************************************
*
* Gmsh tutorial 8
- *
+ *
* Post-processing, scripting, animations, options
*
*********************************************************************/
@@ -15,7 +15,7 @@ Include "view4.pos";
// We then set some general options:
-General.Trackball = 0;
+General.Trackball = 0;
General.RotationX = 0; General.RotationY = 0; General.RotationZ = 0;
General.Color.Background = White; General.Color.Foreground = Black;
General.Color.Text = Black;
@@ -53,15 +53,14 @@ View[v2].Height = 130;
View[v3].Visible = 0;
-// We then loop from 1 to 255 with a step of 1. (To use a different
+// We then loop from 1 to 3 with a step of 1. (To use a different
// step, just add a third argument in the list. For example, `For num
// In {0.5:1.5:0.1}' would increment num from 0.5 to 1.5 with a step
// of 0.1.)
t = 0;
-//For num In {1:1}
-For num In {1:255}
+For num In {1:3}
View[v0].TimeStep = t;
View[v1].TimeStep = t;
@@ -69,30 +68,35 @@ For num In {1:255}
View[v3].TimeStep = t;
t = (View[v0].TimeStep < View[v0].NbTimeStep-1) ? t+1 : 0;
-
+
View[v0].RaiseZ += 0.01/View[v0].Max * t;
If (num == 3)
- // We want to create 320x240 frames when num == 3:
- General.GraphicsWidth = 320;
- General.GraphicsHeight = 240;
+ // We want to create 640x480 frames when num == 3:
+ General.GraphicsWidth = General.MenuWidth + 640;
+ General.GraphicsHeight = 480;
EndIf
+ frames = 50;
+
// It is possible to nest loops:
- For num2 In {1:50}
+ For num2 In {1:frames}
General.RotationX += 10;
General.RotationY = General.RotationX / 3;
General.RotationZ += 0.1;
-
+
Sleep 0.01; // sleep for 0.01 second
Draw; // draw the scene
If (num == 3)
// The `Print' command saves the graphical window; the `Sprintf'
// function permits to create the file names on the fly:
+ /*
Print Sprintf("t8-%02g.gif", num2);
+ Print Sprintf("t8-%02g.ppm", num2);
Print Sprintf("t8-%02g.jpg", num2);
+ */
EndIf
EndFor
@@ -101,25 +105,48 @@ For num In {1:255}
// Here we could make a system call to generate a movie. For example,
// with whirlgif:
- //
- // System "whirlgif -minimize -loop -o t8.gif t8-*.gif";
-
- // with mpeg_encode:
- //
- // System "mpeg_encode t8.par";
+ /*
+ System "whirlgif -minimize -loop -o t8.gif t8-*.gif";
+ */
+
+ // with mpeg_encode (create parameter file first, then run encoder):
+ /*
+ Printf("PATTERN I") > "t8.par";
+ Printf("BASE_FILE_FORMAT PPM") >> "t8.par";
+ Printf("GOP_SIZE 1") >> "t8.par";
+ Printf("SLICES_PER_FRAME 1") >> "t8.par";
+ Printf("PIXEL HALF") >> "t8.par";
+ Printf("RANGE 10") >> "t8.par";
+ Printf("PSEARCH_ALG EXHAUSTIVE") >> "t8.par";
+ Printf("BSEARCH_ALG CROSS2") >> "t8.par";
+ Printf("IQSCALE 1") >> "t8.par";
+ Printf("PQSCALE 1") >> "t8.par";
+ Printf("BQSCALE 25") >> "t8.par";
+ Printf("REFERENCE_FRAME DECODED") >> "t8.par";
+ Printf("OUTPUT t8.mpg") >> "t8.par";
+ Printf("INPUT_CONVERT *") >> "t8.par";
+ Printf("INPUT_DIR .") >> "t8.par";
+ Printf("INPUT") >> "t8.par";
+ tmp = Sprintf("t8-*.ppm [01-%02g]", frames);
+ Printf(tmp) >> "t8.par";
+ Printf("END_INPUT") >> "t8.par";
+ System "mpeg_encode t8.par";
+ */
// with mencoder:
- //
- // System "mencoder 'mf://*.jpg' -mf fps=5 -o t8.mpg -ovc lavc
- // -lavcopts vcodec=mpeg1video:vhq";
- // System "mencoder 'mf://*.jpg' -mf fps=5 -o t8.mpg -ovc lavc
- // -lavcopts vcodec=mpeg4:vhq";
+ /*
+ System "mencoder 'mf://*.jpg' -mf fps=5 -o t8.mpg -ovc lavc
+ -lavcopts vcodec=mpeg1video:vhq";
+ System "mencoder 'mf://*.jpg' -mf fps=5 -o t8.mpg -ovc lavc
+ -lavcopts vcodec=mpeg4:vhq";
+ */
// with ffmpeg:
- //
- // System "ffmpeg -hq -r 5 -b 800 -vcodec mpeg1video
- // -i t8-%02d.jpg t8.mpg"
- // System "ffmpeg -hq -r 5 -b 800 -i t8-%02d.jpg t8.asf"
+ /*
+ System "ffmpeg -hq -r 5 -b 800 -vcodec mpeg1video
+ -i t8-%02d.jpg t8.mpg"
+ System "ffmpeg -hq -r 5 -b 800 -i t8-%02d.jpg t8.asf"
+ */
EndIf
EndFor
diff --git a/tutorial/t8.par b/tutorial/t8.par
deleted file mode 100644
index 9b10b487c9ed903004a44d01ce6dd159ffebcef6..0000000000000000000000000000000000000000
--- a/tutorial/t8.par
+++ /dev/null
@@ -1,50 +0,0 @@
-#
-# parameter file for mpeg_encode
-#
-
-PATTERN I
-# PATTERN IB
-# PATTERN IBBBP
-# PATTERN IBBPBBPBBPBBPBB
-
-BASE_FILE_FORMAT JPEG
-# BASE_FILE_FORMAT PPM
-# BASE_FILE_FORMAT YUV
-# YUV_SIZE 320x240
-
-GOP_SIZE 1
-# GOP_SIZE 30
-
-SLICES_PER_FRAME 1
-
-PIXEL HALF
-
-RANGE 10
-
-PSEARCH_ALG TWOLEVEL
-# PSEARCH_ALG LOGARITHMIC
-
-BSEARCH_ALG CROSS2
-
-IQSCALE 1
-# IQSCALE 8
-
-PQSCALE 10
-
-BQSCALE 25
-
-REFERENCE_FRAME DECODED
-# REFERENCE_FRAME ORIGINAL
-
-OUTPUT t8.mpg
-
-INPUT_CONVERT *
-
-INPUT_DIR .
-
-INPUT
-t8-*.jpg [01-50]
-# t8-*.ppm [01-50]
-# t8-*.yuv [01-50]
-END_INPUT
-