| 1 | <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>8.10. Making a Movie</title><link rel="stylesheet" href="../xml/XSLCustomizationLayer/G4HTMLStylesheet.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.71.1"><link rel="start" href="index.html" title="Geant4 User's Guide for Application Developers"><link rel="up" href="ch08.html" title="Chapter 8. Visualization"><link rel="prev" href="ch08s09.html" title="8.9. Polylines, Markers and Text"><link rel="next" href="ch09.html" title="Chapter 9. Examples"><script language="JavaScript">
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| 2 | function remote_win(fName)
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| 3 | {
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| 4 | var url = "AllResources/Detector/geometry.src/" + fName;
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| 5 | RemoteWin=window.open(url,"","resizable=no,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,copyhistory=0,width=520,height=520")
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| 6 | RemoteWin.creator=self
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| 7 | }
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| 8 | </script></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">8.10.
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| 9 | Making a Movie
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| 10 | </th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ch08s09.html"><img src="AllResources/IconsGIF/prev.gif" alt="Prev"></a> </td><th width="60%" align="center">Chapter 8.
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| 11 | Visualization
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| 12 | </th><td width="20%" align="right"> <a accesskey="n" href="ch09.html"><img src="AllResources/IconsGIF/next.gif" alt="Next"></a></td></tr></table><hr></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="sect.MkMovie"></a>8.10.
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| 13 | Making a Movie
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| 14 | </h2></div></div></div><p>
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| 15 | These instructions are suggestive only. The following procedures
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| 16 | have not been tested on all platforms. There are clearly some
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| 17 | instructions that apply only to Unix-like systems with an X-Windows
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| 18 | based windowing system. However, it should not be difficult to take
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| 19 | the ideas presented here and extend them to other platforms and
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| 20 | systems.
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| 21 | </p><p>
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| 22 | The procedures described here need graphics drivers that
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| 23 | can produce picture files that can be converted to a form suitable
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| 24 | for an MPEG encoder. There may be other ways of capturing the
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| 25 | screen images and we would be happy to hear about them. Graphics
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| 26 | drivers currently capable of producing picture files are:
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| 27 |
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| 28 | </p><div class="informaltable"><table border="1"><colgroup><col><col></colgroup><tbody><tr><td>
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| 29 | <span class="bold"><strong>Driver</strong></span>
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| 30 | </td><td>
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| 31 | <span class="bold"><strong>File type</strong></span>
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| 32 | </td></tr><tr><td>
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| 33 | DAWNFILE
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| 34 | </td><td>
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| 35 | prim then eps using <span class="bold"><strong>dawn</strong></span>
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| 36 | </td></tr><tr><td>
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| 37 | HepRepFile
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| 38 | </td><td>
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| 39 | HepRep1
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| 40 | </td></tr><tr><td>
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| 41 | HepRep
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| 42 | </td><td>
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| 43 | HepRep2
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| 44 | </td></tr><tr><td>
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| 45 | OGLX
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| 46 | </td><td>
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| 47 | eps
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| 48 | </td></tr><tr><td>
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| 49 | RayTracer
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| 50 | </td><td>
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| 51 | jpeg
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| 52 | </td></tr><tr><td>
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| 53 | VRMLFILE
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| 54 | </td><td>
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| 55 | vrml
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| 56 | </td></tr></tbody></table></div><p>
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| 57 | </p><p>
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| 58 | So far, only DAWNFILE, OGLX and RayTracer have been "road tested".
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| 59 | Once in a standard format, such as eps, the
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| 60 | <span class="bold"><strong>convert</strong></span> program from
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| 61 | <a href="http://www.imagemagick.org" target="_top">
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| 62 | ImageMagick
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| 63 | </a>
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| 64 | can convert to ppm files suitable for
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| 65 | <span class="bold"><strong>mpeg2encode</strong></span>.
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| 66 | </p><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="sect.MkMovie.OGLX"></a>8.10.1.
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| 67 | OGLX
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| 68 | </h3></div></div></div><p>
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| 69 | Make a macro something like this:
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| 70 |
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| 71 | </p><div class="informalexample"><pre class="programlisting">
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| 72 | /control/verbose 2
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| 73 | /vis/open OGLSX 600x600-0+0
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| 74 | /vis/drawVolume
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| 75 | /vis/viewer/reset
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| 76 | /vis/viewer/set/style surface
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| 77 | /vis/viewer/set/projection perspective 50 deg
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| 78 | /control/alias phi 30
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| 79 | /control/loop movie.loop theta 0 360 1
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| 80 | </pre></div><p>
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| 81 |
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| 82 | which invokes movie.loop, which is something like:
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| 83 |
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| 84 | </p><div class="informalexample"><pre class="programlisting">
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| 85 | /vis/viewer/set/viewpointThetaPhi {theta} {phi}
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| 86 | /vis/viewer/zoom 1.005
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| 87 | /vis/ogl/printEPS
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| 88 | </pre></div><p>
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| 89 | </p><p>
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| 90 | This produces lots of eps files. Then...
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| 91 |
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| 92 | </p><div class="informalexample"><pre class="programlisting">
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| 93 | <a href="./make_mpeg2encode_parfile.sh" target="_top">make_mpeg2encode_parfile.sh</a> G4OpenGL_*eps
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| 94 | </pre></div><p>
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| 95 | </p><p>
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| 96 | Then edit mpeg2encode.par to specify file type and size, etc.:
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| 97 |
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| 98 | </p><div class="informalexample"><pre class="programlisting">
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| 99 | $ diff mpeg2encode.par~ mpeg2encode.par
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| 100 | 7c7
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| 101 | < 1 /* input picture file format: 0=*.Y,*.U,*.V, 1=*.yuv, 2=*.ppm */
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| 102 | ---
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| 103 | > 2 /* input picture file format: 0=*.Y,*.U,*.V, 1=*.yuv, 2=*.ppm */
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| 104 | 15,17c15,17
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| 105 | < /* horizontal_size */
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| 106 | < /* vertical_size */
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| 107 | < 8 /* aspect_ratio_information 1=square pel, 2=4:3, 3=16:9, 4=2.11:1 */
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| 108 | ---
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| 109 | > 600 /* horizontal_size */
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| 110 | > 600 /* vertical_size */
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| 111 | > 1 /* aspect_ratio_information 1=square pel, 2=4:3, 3=16:9, 4=2.11:1 */
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| 112 | </pre></div><p>
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| 113 | </p><p>
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| 114 | Then convert to ppm:
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| 115 |
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| 116 | </p><div class="informalexample"><pre class="programlisting">
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| 117 | for i in G4OpenGL*eps;
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| 118 | do j=`basename $i .eps`; command="convert $i $j.ppm"; echo $command; $command; done
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| 119 | </pre></div><p>
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| 120 | </p><p>
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| 121 | Then
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| 122 |
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| 123 | </p><div class="informalexample"><pre class="programlisting">
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| 124 | mpeg2encode mpeg2encode.par G4OpenGL.mpg
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| 125 | </pre></div><p>
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| 126 | </p><p>
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| 127 | Then, on Mac, for example:
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| 128 |
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| 129 | </p><div class="informalexample"><pre class="programlisting">
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| 130 | open G4OpenGL.mpg
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| 131 | </pre></div><p>
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| 132 |
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| 133 | opens a QuickTime player.
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| 134 | </p></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="sect.MkMovie.DAWNFILE"></a>8.10.2.
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| 135 | DAWNFILE
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| 136 | </h3></div></div></div><p>
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| 137 | You need to invoke <span class="bold"><strong>dawn</strong></span> in "direct" mode,
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| 138 | which picks up parameters from .DAWN_1.history, and suppress the GUI:
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| 139 |
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| 140 | </p><div class="informalexample"><pre class="programlisting">
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| 141 | alias dawn='dawn -d'
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| 142 | export DAWN_BATCH=1
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| 143 | </pre></div><p>
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| 144 | </p><p>
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| 145 | Change OGLSX to DAWNFILE in the above set of Geant4 commands and
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| 146 | run. Then convert to ppm files as above:
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| 147 |
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| 148 | </p><div class="informalexample"><pre class="programlisting">
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| 149 | for i in g4_*.eps;
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| 150 | do j=`basename $i .eps`; command="convert $i $j.ppm"; echo $command; $command; done
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| 151 | </pre></div><p>
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| 152 | </p><p>
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| 153 | Then make a .par file:
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| 154 |
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| 155 | </p><div class="informalexample"><pre class="programlisting">
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| 156 | <a href="./make_mpeg2encode_parfile.sh" target="_top">make_mpeg2encode_parfile.sh</a> g4_*ppm
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| 157 | </pre></div><p>
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| 158 |
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| 159 | and edit mpeg2encode.par:
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| 160 |
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| 161 | </p><div class="informalexample"><pre class="programlisting">
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| 162 | $ diff mpeg2encode.par~ mpeg2encode.par
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| 163 | 7c7
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| 164 | < 1 /* input picture file format: 0=*.Y,*.U,*.V, 1=*.yuv, 2=*.ppm */
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| 165 | ---
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| 166 | > 2 /* input picture file format: 0=*.Y,*.U,*.V, 1=*.yuv, 2=*.ppm */
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| 167 | 9c9
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| 168 | < 1 /* number of first frame */
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| 169 | ---
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| 170 | > 0 /* number of first frame */
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| 171 | 15,16c15,16
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| 172 | < /* horizontal_size */
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| 173 | < /* vertical_size */
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| 174 | ---
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| 175 | > 482 /* horizontal_size */
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| 176 | > 730 /* vertical_size */
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| 177 | </pre></div><p>
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| 178 | </p><p>
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| 179 | Then encode and play:
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| 180 |
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| 181 | </p><div class="informalexample"><pre class="programlisting">
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| 182 | mpeg2encode mpeg2encode.par DAWN.mpg
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| 183 | open DAWN.mpg
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| 184 | </pre></div><p>
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| 185 | </p></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="sect.MkMovie.RyTrcX"></a>8.10.3.
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| 186 | RayTracerX
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| 187 | </h3></div></div></div><p>
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| 188 | </p><div class="informalexample"><pre class="programlisting">
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| 189 | /control/verbose 2
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| 190 | /vis/open RayTracerX 600x600-0+0
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| 191 | # (Raytracer doesn't need a scene; smoother not to /vis/drawVolume.)
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| 192 | /vis/viewer/reset
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| 193 | /vis/viewer/set/style surface
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| 194 | /vis/viewer/set/projection perspective 50 deg
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| 195 | /control/alias phi 30
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| 196 | /control/loop movie.loop theta 0 360 1
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| 197 | </pre></div><p>
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| 198 |
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| 199 | where movie.loop is as above. This produces lots of jpeg files (but
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| 200 | takes 3 days!!!). Then...
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| 201 |
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| 202 | </p><div class="informalexample"><pre class="programlisting">
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| 203 | <a href="./make_mpeg2encode_parfile.sh" target="_top">make_mpeg2encode_parfile.sh</a> g4RayTracer*jpeg
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| 204 | </pre></div><p>
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| 205 | </p><p>
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| 206 | Then edit mpeg2encode.par to specify file type and size, etc.:
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| 207 |
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| 208 | </p><div class="informalexample"><pre class="programlisting">
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| 209 | $ diff mpeg2encode.par.orig mpeg2encode.par
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| 210 | 7c7
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| 211 | < 1 /* input picture file format: 0=*.Y,*.U,*.V, 1=*.yuv, 2=*.ppm */
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| 212 | ---
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| 213 | > 2 /* input picture file format: 0=*.Y,*.U,*.V, 1=*.yuv, 2=*.ppm */
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| 214 | 15,17c15,17
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| 215 | < /* horizontal_size */
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| 216 | < /* vertical_size */
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| 217 | < 8 /* aspect_ratio_information 1=square pel, 2=4:3, 3=16:9, 4=2.11:1 */
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| 218 | ---
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| 219 | > 600 /* horizontal_size */
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| 220 | > 600 /* vertical_size */
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| 221 | > 1 /* aspect_ratio_information 1=square pel, 2=4:3, 3=16:9, 4=2.11:1 */
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| 222 | </pre></div><p>
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| 223 | </p><p>
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| 224 |
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| 225 | Then convert to ppm, encode and play:
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| 226 |
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| 227 | </p><div class="informalexample"><pre class="programlisting">
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| 228 | for i in g4*jpeg;
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| 229 | do j=`basename $i .jpeg`; command="convert $i $j.ppm"; echo $command; $command; done
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| 230 | mpeg2encode mpeg2encode.par g4RayTracer.mpg
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| 231 | open g4RayTracer.mpg
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| 232 | </pre></div><p>
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| 233 | </p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="ch08s09.html"><img src="AllResources/IconsGIF/prev.gif" alt="Prev"></a> </td><td width="20%" align="center"><a accesskey="u" href="ch08.html"><img src="AllResources/IconsGIF/up.gif" alt="Up"></a></td><td width="40%" align="right"> <a accesskey="n" href="ch09.html"><img src="AllResources/IconsGIF/next.gif" alt="Next"></a></td></tr><tr><td width="40%" align="left" valign="top">8.9.
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| 234 | Polylines, Markers and Text
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| 235 | </td><td width="20%" align="center"><a accesskey="h" href="index.html"><img src="AllResources/IconsGIF/home.gif" alt="Home"></a></td><td width="40%" align="right" valign="top"> Chapter 9.
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| 236 | Examples
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| 237 | </td></tr></table></div></body></html>
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