Changeset 336 for palm/trunk/DOC/app/chapter_4.5.7.html
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r62 r336 1 1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> 2 2 <html><head> 3 <meta http-equiv="CONTENT-TYPE" content="text/html; charset=windows-1252"><title>PALM 4 chapter 4.5.7</title> <meta name="GENERATOR" content="StarOffice 7 (Win32)"> <meta name="AUTHOR" content="Siegfried Raasch"> <meta name="CREATED" content="20041029;14344622"> <meta name="CHANGED" content="20050119;9531085"> <meta name="KEYWORDS" content="parallel LES model"> <style> 3 <meta http-equiv="CONTENT-TYPE" content="text/html; charset=windows-1252"><title>PALM chapter 4.5.7</title> <meta name="GENERATOR" content="StarOffice 7 (Win32)"> <meta name="AUTHOR" content="Siegfried Raasch"> <meta name="CREATED" content="20041029;14344622"> <meta name="CHANGED" content="20050119;9531085"> <meta name="KEYWORDS" content="parallel LES model"> <style> 5 4 <!-- 6 5 @page { size: 21cm 29.7cm } 7 6 --> 8 7 </style></head> 9 10 8 <body style="direction: ltr;" lang="en-US"><h4 style="line-height: 100%;"><font size="4">4.5.7 11 9 Plots of 12 10 isosurfaces, 2d cross sections and particles with dvrp</font></h4> 13 <p style="line-height: 100%;">The <span style="font-weight: bold;">dvrp</span> 14 software developed by the RRZN 15 (Stephan Olbrich, Carsten Chmielewski) allows a creation of plot 16 sequences with PALM, 17 which can be animated via a special plugin for internet browsers. With 18 suitable graphic hardware even stereoscopic views are 19 possible. <br> 11 <p style="line-height: 100%;"><span style="font-weight: bold;">Preliminary note:</span></p><p style="line-height: 100%;">Usage of the <span style="font-weight: bold;">dvrp</span>-software requires installation of additional software components (dvrp-library, streaming-server, browser-plugin) which are <span style="font-weight: bold;">not</span> 12 part of the PALM distribution. Currently (May 2009), this software is 13 only available on the the HLRN/IMUK system and partly on RIAM's NEC 14 system. If you are interested in using <span style="font-weight: bold;">dvrp</span> on your system, please contact the PALM developers.</p><br><span style="font-weight: bold;">General remarks:</span><p style="line-height: 100%;">The <span style="font-weight: bold;">dvrp</span> 15 software was originally developed by the RRZN 16 (Stephan Olbrich, Carsten Chmielewski) and is meanwhile continuosly developed and improved under the name <span style="font-weight: bold;">dsvr</span> by the University of Düsseldorf (Prof. Stephan Olbrich, see webpage of the <a href="http://www.dsvr-software.de/">dsvr-software</a>). It allows to create 3d-animations with PALM, 17 which can be displayed via a special plugin for internet browsers. With 18 suitable graphic hardware (e.g. NVIDIA quattro FX cards) even stereoscopic views are 19 possible.</p><p style="line-height: 100%;"> 20 20 In contrast to the other kinds of visualization output realized 21 in PALM ( <b>profil</b>, <b>iso2d</b> and <b>AVS</b>),21 in PALM (1d-, 2d-, 3d-NetCDF output), 22 22 where the data 23 is output in a format suitable for the plot software, the creation of 24 plots via <span style="font-weight: bold;">dvrp</span> 23 is output in a format suitable for many kinds of post-processing graphic software, the creation of animations via <span style="font-weight: bold;">dvrp</span> 25 24 software is 26 25 integrated in PALM, i.e. respective routines are directly called within … … 46 45 the main focus of the BMBF project "Application of 47 46 tele-immersion in long-distance networks" (2001-2002), 48 which was a joint project of RRZN, ZIB and IMUK. This work is currently49 continued by RRZN in the new DFG-funded project "EVITA- Untersuchung47 which was a joint project of RRZN, ZIB and IMUK. This work was 48 continued by RRZN in the DFG-funded project "<a href="http://www.rrzn.uni-hannover.de/evita.html">EVITA</a> - Untersuchung 50 49 effizienter 51 <br>Methoden zur visuellen und haptischen tele-immersiven50 Methoden zur visuellen und haptischen tele-immersiven 52 51 Exploration 53 <br>komplexer Volumen- und Strömungsdaten aus52 komplexer Volumen- und Strömungsdaten aus 54 53 parallelisierten, 55 <br>dynamischen 3D-Simulationen" (2005-2007). </p>56 <p style="line-height: 100%;"> The calls of the <span style="font-weight: bold;">dvrp</span> routines are54 dynamischen 3D-Simulationen" (2005-2007). </p> 55 <p style="line-height: 100%;"></p><p style="line-height: 100%;"><span style="font-weight: bold;">Using dvrp with PALM:</span></p><p style="line-height: 100%;">The calls of the <span style="font-weight: bold;">dvrp</span> routines are 57 56 contained within a 58 57 PALM software package (see chapter <a href="chapter_3.7.html">3.7</a>). 59 To use this package, the additional option <tt><fontsize="2">-p60 “dvrp_graphics”</font></tt>61 has to be given in the <b>mrun</b> call. This58 To use this package, the additional option<tt style="font-family: monospace;"> </tt><font style="font-family: Courier New,Courier,monospace;" size="2">-p 59 <span style="font-family: Helvetica,Arial,sans-serif;">“</span>dvrp_graphics<span style="font-family: Helvetica,Arial,sans-serif;">”</span></font><span style="font-family: monospace;"> 60 </span>has to be given in the <b>mrun</b> call. This 62 61 automatically links the 63 62 required libraries. … … 67 66 graphic 68 67 data are not output to local files but directly to a special remote 69 computer which is defined via the package parameter <a href="chapter_4.2.html#dvrp_host">dvrp_host</a>. 70 The 71 default values of the dvrp parameters are cause the output to be 72 directed to a so-called streaming server at the 68 computer which is defined via the package parameter <a href="chapter_4.2.html#dvrp_host">dvrp_host</a>. If the default values of the dvrp parameters are used, data are send to a so-called <span style="font-style: italic;">streaming server</span> at the 73 69 RRZN. Apart from graphic data an additional html file is created, which 74 can be used by an internet browser to view the data (a special <span style="font-weight: bold;">dvrp</span> plugin is 75 needed). </p> 76 <p style="line-height: 100%;">Since July 2001, the basic 77 functionality 78 of the <span style="font-weight: bold;">dvrp</span> 79 software is 80 installed in PALM and steerable via the 81 package parameters. However, some code modifications may still need to 82 be done by the user (e.g. in 83 the subroutine <tt><font style="font-size: 10pt;" size="2">plot_dvrp</font></tt> 84 in order to define suitable color tables). 85 <br>For further detailed information please ask Siegfried Raasch. 86 </p> 70 can be opened by an internet browser to view the data (a special <span style="font-weight: bold;">dvrp</span> plugin is required for this).</p><p style="line-height: 100%;"></p><p style="line-height: 100%;"><span style="font-weight: bold;">Quickstart guide for using dvrp on the HLRN/IMUK-System (May 2009):</span> </p> 71 <ol><li> 72 Add the following define statements for environment variables to the configuration file (<span style="font-family: Courier New,Courier,monospace;">.mrun.config</span>):<br><br><span style="font-family: Courier New,Courier,monospace;"></span><span style="font-family: Courier New,Courier,monospace;"> %dvr_inc 73 -I/home/h/niksiraa/dvr_mvapich2/lib 74 lcsgih parallel</span><br style="font-family: Courier New,Courier,monospace;"><span style="font-family: Courier New,Courier,monospace;"> %dvr_lib -L/home/h/niksiraa/dvr_mvapich2/lib:-lDVRP2:-lftp lcsgih 75 parallel</span><br><br><br></li><li>Add the dvrp-steering parameters to your NAMELIST-parameter file, e.g.<br><br><span style="font-family: Courier New,Courier,monospace;"> &d3par end_time = 3600.0,<br> ... /<br><br> &dvrp_graphics_par dvrp_username = '<replace by your IMUK username>',<br> dvrp_host = '130.75.105.2',<br> 76 77 dvrp_directory = '<replace by a name of your choice>', ... /<br></span><br>For other dvrp-parameters see <a href="chapter_4.2.html#Paketparameter">chapter 4.2</a>. An example parameter file can be found in directory <span style="font-family: Courier New,Courier,monospace;">..../trunk/EXAMPLES/dvr_building</span>.<span style="font-family: Courier New,Courier,monospace;"><br><br></span></li><li>Submit the job with <span style="font-weight: bold;">mrun</span>-command<br><br><span style="font-family: Courier New,Courier,monospace;"> mrun .... -p dvrp_graphics ....</span><br><br></li><li><span style="font-family: Courier New,Courier,monospace;"><span style="font-family: Times New Roman,Times,serif;">After the job has finished, the dvrp-output can be found on the IMUK-cluster in a subdirectory under <span style="font-family: Courier New,Courier,monospace;">/data/raasch/Dvrp_daten</span>. The name of the subdirectory is determined by the dvrp-parameter <a href="chapter_4.2.html#dvrp_directory">dvrp_directory</a> (see above), i.e. if the user has set <span style="font-family: Courier New,Courier,monospace;">dvrp_directory</span> = <span style="font-style: italic;">'movie_1'</span>, the dvrp-data are stored under <span style="font-family: Courier New,Courier,monospace;">/data/raasch/Dvrp_daten/movie_1</span>.<br><br></span></span></li><li><span style="font-family: Courier New,Courier,monospace;"><span style="font-family: Times New Roman,Times,serif;">Change to this subdirectory (e.g. </span></span><span style="font-family: Courier New,Courier,monospace;"><span style="font-family: Times New Roman,Times,serif;"><span style="font-family: Courier New,Courier,monospace;">/data/raasch/Dvrp_daten/movie_1</span></span></span><span style="font-family: Courier New,Courier,monospace;"><span style="font-family: Times New Roman,Times,serif;">) and enter the command<br><br><span style="font-family: Courier New,Courier,monospace;"> process_dvr_output</span><br><br>It will create a file with name <span style="font-family: Courier New,Courier,monospace;">all_streams_streaming.html</span>.<br><br></span></span></li><li><span style="font-family: Courier New,Courier,monospace;"><span style="font-family: Times New Roman,Times,serif;">Call the opera-browser (i.e. enter the command <span style="font-family: Courier New,Courier,monospace;">opera</span>) and open the file </span></span><span style="font-family: Courier New,Courier,monospace;"><span style="font-family: Times New Roman,Times,serif;"><span style="font-family: Courier New,Courier,monospace;">all_streams_streaming.html</span>.</span></span><span style="font-family: Courier New,Courier,monospace;"><span style="font-family: Times New Roman,Times,serif;"></span><br><br></span>A complete example parameter file for ... can be found under .../trunk/.....<br></li></ol><span style="font-weight: bold;">Further features:<br></span>The script<span style="font-family: Courier New,Courier,monospace;"> process_dvr_output </span>has additional options:<br><br><span style="font-weight: bold; font-family: Courier New,Courier,monospace;">-s</span> : <span style="font-weight: bold;">create sequence output</span>. 78 All streams (and static scenes) are collected to one sequence (one 79 static scene), which can be displayed with a browser without using the 80 streaming server (the so-called sequence mode). This allows e.g. to 81 show animations on a notebook without beeing connected to the internet. 82 When the script is called with this option, the sequence is generated 83 in subdirectory sequence_data. Copy this subdirectory and the file 84 all_streams_sequence.html to a directory on your local computer and 85 open the file all_streams_sequence.html with your browser. For this, 86 you will need to install the the dvr-plugin (see webpage of the <a href="http://www.dsvr-software.de/">dsvr-software</a>) on your local computer, which is also available for Windows.<br><br><span style="font-weight: bold;">-a</span> : <span style="font-weight: bold;">acceleration factor</span>. If, in case of sequence mode, the performance of the animation is to slow, you can accelerate it. E.g., by using <span style="font-family: Courier New,Courier,monospace;">"-a 2</span>", only every second frame of the original streams will be used for the sequence.<br><br><br><br><br><span style="font-weight: bold;">Current limitations (May 09):</span><br>Only a special opera-version on host "bora" can be used. Log-in on "bora" and call <span style="font-family: Courier New,Courier,monospace;">/usr/local/bin/opera</span>. <span style="font-weight: bold;">Before that(!!!)</span>, enter the command "<span style="font-family: Courier New,Courier,monospace;">export LD_PRELOAD=libXm.so</span>" ! 87 87 <hr><p style="line-height: 100%;"><br> 88 88 <font color="#000080"><font color="#000080"><a href="chapter_4.5.6.html"><font color="#000080"><img src="left.gif" name="Grafik1" align="bottom" border="2" height="32" width="32"></font></a><a href="index.html"><font color="#000080"><img src="up.gif" name="Grafik2" align="bottom" border="2" height="32" width="32"></font></a><a href="chapter_4.6.html"><font color="#000080"><img src="right.gif" name="Grafik3" align="bottom" border="2" height="32" width="32"></font></a></font></font></p><p style="line-height: 100%;"> <i>Last
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