| 1 | <!-- ******************************************************** -->
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| 2 | <!-- -->
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| 3 | <!-- [History] -->
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| 4 | <!-- Converted to DocBook: Katsuya Amako, Aug-2006 -->
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| 5 | <!-- -->
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| 6 | <!-- ******************************************************** -->
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| 7 |
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| 8 |
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| 9 | <!-- ******************* Section (Level#1) ****************** -->
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| 10 | <sect1 id="sect.MkMovie">
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| 11 | <title>
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| 12 | Making a Movie
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| 13 | </title>
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| 14 |
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| 15 | <para>
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| 16 | These instructions are suggestive only. The following procedures
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| 17 | have not been tested on all platforms. There are clearly some
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| 18 | instructions that apply only to Unix-like systems with an X-Windows
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| 19 | based windowing system. However, it should not be difficult to take
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| 20 | the ideas presented here and extend them to other platforms and
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| 21 | systems.
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| 22 | </para>
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| 23 |
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| 24 | <para>
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| 25 | The procedures described here need graphics drivers that
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| 26 | can produce picture files that can be converted to a form suitable
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| 27 | for an MPEG encoder. There may be other ways of capturing the
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| 28 | screen images and we would be happy to hear about them. Graphics
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| 29 | drivers currently capable of producing picture files are:
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| 30 |
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| 31 | <informaltable>
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| 32 | <tgroup cols="2">
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| 33 | <tbody>
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| 34 | <row>
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| 35 | <entry>
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| 36 | <emphasis role="bold">Driver</emphasis>
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| 37 | </entry>
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| 38 | <entry>
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| 39 | <emphasis role="bold">File type</emphasis>
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| 40 | </entry>
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| 41 | </row>
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| 42 | <row>
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| 43 | <entry>
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| 44 | DAWNFILE
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| 45 | </entry>
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| 46 | <entry>
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| 47 | prim then eps using <emphasis role="bold">dawn</emphasis>
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| 48 | </entry>
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| 49 | </row>
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| 50 | <row>
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| 51 | <entry>
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| 52 | HepRepFile
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| 53 | </entry>
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| 54 | <entry>
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| 55 | HepRep1
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| 56 | </entry>
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| 57 | </row>
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| 58 | <row>
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| 59 | <entry>
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| 60 | HepRep
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| 61 | </entry>
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| 62 | <entry>
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| 63 | HepRep2
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| 64 | </entry>
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| 65 | </row>
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| 66 | <row>
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| 67 | <entry>
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| 68 | OGLX
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| 69 | </entry>
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| 70 | <entry>
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| 71 | eps
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| 72 | </entry>
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| 73 | </row>
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| 74 | <row>
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| 75 | <entry>
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| 76 | RayTracer
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| 77 | </entry>
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| 78 | <entry>
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| 79 | jpeg
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| 80 | </entry>
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| 81 | </row>
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| 82 | <row>
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| 83 | <entry>
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| 84 | VRMLFILE
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| 85 | </entry>
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| 86 | <entry>
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| 87 | vrml
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| 88 | </entry>
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| 89 | </row>
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| 90 | </tbody>
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| 91 | </tgroup>
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| 92 | </informaltable>
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| 93 | </para>
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| 94 |
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| 95 | <para>
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| 96 | So far, only DAWNFILE, OGLX and RayTracer have been "road tested".
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| 97 | Once in a standard format, such as eps, the
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| 98 | <emphasis role="bold">convert</emphasis> program from
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| 99 | <ulink url="http://www.imagemagick.org">
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| 100 | ImageMagick
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| 101 | </ulink>
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| 102 | can convert to ppm files suitable for
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| 103 | <emphasis role="bold">mpeg2encode</emphasis>.
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| 104 | </para>
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| 105 |
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| 106 |
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| 107 | <!-- ******************* Section (Level#2) ****************** -->
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| 108 | <sect2 id="sect.MkMovie.OGLX">
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| 109 | <title>
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| 110 | OGLX
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| 111 | </title>
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| 112 |
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| 113 | <para>
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| 114 | Make a macro something like this:
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| 115 |
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| 116 | <informalexample>
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| 117 | <programlisting>
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| 118 | /control/verbose 2
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| 119 | /vis/open OGLSX 600x600-0+0
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| 120 | /vis/drawVolume
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| 121 | /vis/viewer/reset
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| 122 | /vis/viewer/set/style surface
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| 123 | /vis/viewer/set/projection perspective 50 deg
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| 124 | /control/alias phi 30
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| 125 | /control/loop movie.loop theta 0 360 1
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| 126 | </programlisting>
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| 127 | </informalexample>
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| 128 |
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| 129 | which invokes movie.loop, which is something like:
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| 130 |
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| 131 | <informalexample>
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| 132 | <programlisting>
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| 133 | /vis/viewer/set/viewpointThetaPhi {theta} {phi}
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| 134 | /vis/viewer/zoom 1.005
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| 135 | /vis/ogl/printEPS
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| 136 | </programlisting>
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| 137 | </informalexample>
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| 138 | </para>
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| 139 |
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| 140 | <para>
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| 141 | This produces lots of eps files. Then...
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| 142 |
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| 143 | <informalexample>
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| 144 | <programlisting>
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| 145 | <ulink url="./make_mpeg2encode_parfile.sh">make_mpeg2encode_parfile.sh</ulink> G4OpenGL_*eps
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| 146 | </programlisting>
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| 147 | </informalexample>
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| 148 | </para>
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| 149 |
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| 150 | <para>
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| 151 | Then edit mpeg2encode.par to specify file type and size, etc.:
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| 152 |
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| 153 | <informalexample>
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| 154 | <programlisting>
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| 155 | $ diff mpeg2encode.par~ mpeg2encode.par
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| 156 | 7c7
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| 157 | < 1 /* input picture file format: 0=*.Y,*.U,*.V, 1=*.yuv, 2=*.ppm */
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| 158 | ---
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| 159 | > 2 /* input picture file format: 0=*.Y,*.U,*.V, 1=*.yuv, 2=*.ppm */
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| 160 | 15,17c15,17
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| 161 | < /* horizontal_size */
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| 162 | < /* vertical_size */
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| 163 | < 8 /* aspect_ratio_information 1=square pel, 2=4:3, 3=16:9, 4=2.11:1 */
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| 164 | ---
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| 165 | > 600 /* horizontal_size */
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| 166 | > 600 /* vertical_size */
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| 167 | > 1 /* aspect_ratio_information 1=square pel, 2=4:3, 3=16:9, 4=2.11:1 */
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| 168 | </programlisting>
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| 169 | </informalexample>
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| 170 | </para>
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| 171 |
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| 172 | <para>
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| 173 | Then convert to ppm:
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| 174 |
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| 175 | <informalexample>
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| 176 | <programlisting>
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| 177 | for i in G4OpenGL*eps;
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| 178 | do j=`basename $i .eps`; command="convert $i $j.ppm"; echo $command; $command; done
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| 179 | </programlisting>
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| 180 | </informalexample>
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| 181 | </para>
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| 182 |
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| 183 | <para>
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| 184 | Then
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| 185 |
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| 186 | <informalexample>
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| 187 | <programlisting>
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| 188 | mpeg2encode mpeg2encode.par G4OpenGL.mpg
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| 189 | </programlisting>
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| 190 | </informalexample>
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| 191 | </para>
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| 192 |
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| 193 | <para>
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| 194 | Then, on Mac, for example:
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| 195 |
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| 196 | <informalexample>
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| 197 | <programlisting>
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| 198 | open G4OpenGL.mpg
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| 199 | </programlisting>
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| 200 | </informalexample>
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| 201 |
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| 202 | opens a QuickTime player.
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| 203 | </para>
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| 204 |
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| 205 | </sect2>
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| 206 |
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| 207 |
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| 208 | <!-- ******************* Section (Level#2) ****************** -->
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| 209 | <sect2 id="sect.MkMovie.DAWNFILE">
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| 210 | <title>
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| 211 | DAWNFILE
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| 212 | </title>
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| 213 |
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| 214 | <para>
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| 215 | You need to invoke <emphasis role="bold">dawn</emphasis> in "direct" mode,
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| 216 | which picks up parameters from .DAWN_1.history, and suppress the GUI:
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| 217 |
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| 218 | <informalexample>
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| 219 | <programlisting>
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| 220 | alias dawn='dawn -d'
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| 221 | export DAWN_BATCH=1
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| 222 | </programlisting>
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| 223 | </informalexample>
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| 224 | </para>
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| 225 |
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| 226 | <para>
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| 227 | Change OGLSX to DAWNFILE in the above set of Geant4 commands and
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| 228 | run. Then convert to ppm files as above:
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| 229 |
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| 230 | <informalexample>
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| 231 | <programlisting>
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| 232 | for i in g4_*.eps;
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| 233 | do j=`basename $i .eps`; command="convert $i $j.ppm"; echo $command; $command; done
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| 234 | </programlisting>
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| 235 | </informalexample>
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| 236 | </para>
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| 237 |
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| 238 | <para>
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| 239 | Then make a .par file:
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| 240 |
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| 241 | <informalexample>
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| 242 | <programlisting>
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| 243 | <ulink url="./make_mpeg2encode_parfile.sh">make_mpeg2encode_parfile.sh</ulink> g4_*ppm
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| 244 | </programlisting>
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| 245 | </informalexample>
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| 246 |
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| 247 | and edit mpeg2encode.par:
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| 248 |
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| 249 | <informalexample>
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| 250 | <programlisting>
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| 251 | $ diff mpeg2encode.par~ mpeg2encode.par
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| 252 | 7c7
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| 253 | < 1 /* input picture file format: 0=*.Y,*.U,*.V, 1=*.yuv, 2=*.ppm */
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| 254 | ---
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| 255 | > 2 /* input picture file format: 0=*.Y,*.U,*.V, 1=*.yuv, 2=*.ppm */
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| 256 | 9c9
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| 257 | < 1 /* number of first frame */
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| 258 | ---
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| 259 | > 0 /* number of first frame */
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| 260 | 15,16c15,16
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| 261 | < /* horizontal_size */
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| 262 | < /* vertical_size */
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| 263 | ---
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| 264 | > 482 /* horizontal_size */
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| 265 | > 730 /* vertical_size */
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| 266 | </programlisting>
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| 267 | </informalexample>
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| 268 | </para>
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| 269 |
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| 270 | <para>
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| 271 | Then encode and play:
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| 272 |
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| 273 | <informalexample>
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| 274 | <programlisting>
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| 275 | mpeg2encode mpeg2encode.par DAWN.mpg
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| 276 | open DAWN.mpg
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| 277 | </programlisting>
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| 278 | </informalexample>
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| 279 | </para>
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| 280 |
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| 281 | </sect2>
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| 282 |
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| 283 |
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| 284 | <!-- ******************* Section (Level#2) ****************** -->
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| 285 | <sect2 id="sect.MkMovie.RyTrcX">
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| 286 | <title>
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| 287 | RayTracerX
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| 288 | </title>
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| 289 |
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| 290 | <para>
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| 291 | <informalexample>
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| 292 | <programlisting>
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| 293 | /control/verbose 2
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| 294 | /vis/open RayTracerX 600x600-0+0
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| 295 | # (Raytracer doesn't need a scene; smoother not to /vis/drawVolume.)
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| 296 | /vis/viewer/reset
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| 297 | /vis/viewer/set/style surface
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| 298 | /vis/viewer/set/projection perspective 50 deg
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| 299 | /control/alias phi 30
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| 300 | /control/loop movie.loop theta 0 360 1
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| 301 | </programlisting>
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| 302 | </informalexample>
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| 303 |
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| 304 | where movie.loop is as above. This produces lots of jpeg files (but
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| 305 | takes 3 days!!!). Then...
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| 306 |
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| 307 | <informalexample>
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| 308 | <programlisting>
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| 309 | <ulink url="./make_mpeg2encode_parfile.sh">make_mpeg2encode_parfile.sh</ulink> g4RayTracer*jpeg
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| 310 | </programlisting>
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| 311 | </informalexample>
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| 312 | </para>
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| 313 |
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| 314 | <para>
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| 315 | Then edit mpeg2encode.par to specify file type and size, etc.:
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| 316 |
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| 317 | <informalexample>
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| 318 | <programlisting>
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| 319 | $ diff mpeg2encode.par.orig mpeg2encode.par
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| 320 | 7c7
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| 321 | < 1 /* input picture file format: 0=*.Y,*.U,*.V, 1=*.yuv, 2=*.ppm */
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| 322 | ---
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| 323 | > 2 /* input picture file format: 0=*.Y,*.U,*.V, 1=*.yuv, 2=*.ppm */
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| 324 | 15,17c15,17
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| 325 | < /* horizontal_size */
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| 326 | < /* vertical_size */
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| 327 | < 8 /* aspect_ratio_information 1=square pel, 2=4:3, 3=16:9, 4=2.11:1 */
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| 328 | ---
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| 329 | > 600 /* horizontal_size */
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| 330 | > 600 /* vertical_size */
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| 331 | > 1 /* aspect_ratio_information 1=square pel, 2=4:3, 3=16:9, 4=2.11:1 */
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| 332 | </programlisting>
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| 333 | </informalexample>
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| 334 | </para>
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| 335 |
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| 336 | <para>
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| 337 |
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| 338 | Then convert to ppm, encode and play:
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| 339 |
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| 340 | <informalexample>
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| 341 | <programlisting>
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| 342 | for i in g4*jpeg;
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| 343 | do j=`basename $i .jpeg`; command="convert $i $j.ppm"; echo $command; $command; done
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| 344 | mpeg2encode mpeg2encode.par g4RayTracer.mpg
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| 345 | open g4RayTracer.mpg
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| 346 | </programlisting>
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| 347 | </informalexample>
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| 348 | </para>
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| 349 |
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| 350 |
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| 351 | </sect2>
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| 352 | </sect1>
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