The data I use are juste raster (SRP driver). I test all the raster fonctionality before test the vectorial data.<br><br><div class="gmail_quote">2011/4/26 Lime, Steve D (DNR) <span dir="ltr"><<a href="mailto:steve.lime@state.mn.us">steve.lime@state.mn.us</a>></span><br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div lang="EN-US" link="blue" vlink="purple"><div><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D">Is the data you’re using raster only? Wonder if vector drawing exhibits the same issue.</span></p><p class="MsoNormal">
<span style="font-size:11.0pt;color:#1F497D"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D">Steve</span></p><p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D"> </span></p><div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="font-size:10.0pt">From:</span></b><span style="font-size:10.0pt"> Mohamed Saâd HESSANE [mailto:<a href="mailto:saad.hessane@gmail.com" target="_blank">saad.hessane@gmail.com</a>] <br><b>Sent:</b> Tuesday, April 26, 2011 4:07 AM<br>
<b>To:</b> Frank Warmerdam; Lime, Steve D (DNR)<br><b>Cc:</b> thomas bonfort; <a href="mailto:mapserver-dev@lists.osgeo.org" target="_blank">mapserver-dev@lists.osgeo.org</a></span></p><div class="im"><br><b>Subject:</b> Re: [mapserver-dev] Precision about geotransform</div>
<p></p></div><p class="MsoNormal"> </p><p class="MsoNormal">Hy List,</p><div><div></div><div class="h5"><div><p class="MsoNormal">There's no other explication?</p></div><div><p class="MsoNormal">Thank's</p></div><div>
<p class="MsoNormal" style="margin-bottom:12.0pt"> </p><div><p class="MsoNormal">2011/4/22 Mohamed Saâd HESSANE <<a href="mailto:saad.hessane@gmail.com" target="_blank">saad.hessane@gmail.com</a>></p><p class="MsoNormal">
Hy list,</p><div><p class="MsoNormal">@Lime : I use python mapscript :</p><div><p class="MsoNormal"> </p></div><blockquote style="margin-left:30.0pt;margin-right:0in"><div><div><p class="MsoNormal"><span style="background:#FFCCCC">#!/usr/bin/python</span></p>
</div></div><div><div><p class="MsoNormal"><span style="background:#FFCCCC"># -*- coding: iso-8859-1 -*-</span></p></div></div><div><div><p class="MsoNormal"> </p></div></div><div><div><p class="MsoNormal"><span style="background:#FFCCCC">import mapscript</span></p>
</div></div><div><div><p class="MsoNormal"><span style="background:#FFCCCC">import time, csv</span></p></div></div><div><div><p class="MsoNormal"> </p></div></div><div><div><p class="MsoNormal"><span style="background:#FFCCCC">if __name__ == '__main__' :</span></p>
</div></div><div><div><p class="MsoNormal"><span style="background:#FFCCCC"> mapFile = 'mapfile/mapFile.map'</span></p></div></div><div><div><p class="MsoNormal"><span style="background:#FFCCCC"> maps = mapscript.mapObj(mapFile)</span></p>
</div></div><div><div><p class="MsoNormal"> </p></div></div><div><div><p class="MsoNormal"><span style="background:#FFCCCC"> csvFile = csv.writer(open('rotation.csv', 'a'), delimiter='\t')</span></p>
</div></div><div><div><p class="MsoNormal"> </p></div></div><div><div><p class="MsoNormal"><span style="background:#FFCCCC"> for i in range(360) :</span></p></div></div><div><div><p class="MsoNormal"><span style="background:#FFCCCC"> maps.setRotation(i)</span></p>
</div></div><div><div><p class="MsoNormal"><span style="background:#FFCCCC"> avg = 0</span></p></div></div><div><div><p class="MsoNormal"><span style="background:#FFCCCC"> for j in range(5) : # 5 test and get the average</span></p>
</div></div><div><div><p class="MsoNormal"><span style="background:#FFCCCC"> start = time.clock()</span></p></div></div><div><div><p class="MsoNormal"><span style="background:#FFCCCC"> maps.draw()</span></p>
</div></div><div><div><p class="MsoNormal"><span style="background:#FFCCCC"> end = time.clock()</span></p></div></div><div><div><p class="MsoNormal"> </p></div></div><div><div><p class="MsoNormal"><span style="background:#FFCCCC"> avg += end-start</span></p>
</div></div><div><div><p class="MsoNormal"> </p></div></div><div><div><p class="MsoNormal"><span style="background:#FFCCCC"> avg /= 5</span></p></div></div><div><div><p class="MsoNormal"><span style="background:#FFCCCC"> print i, avg</span></p>
</div></div><div><div><p class="MsoNormal"><span style="background:#FFCCCC"> csvFile.writerow([str(i), '%.2f' % avg])</span></p></div></div></blockquote><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">
The script write a csv file that you can import in OOo Calc or MS Excel. And then make a radar graphic.</p></div><div><p class="MsoNormal">I use a 5 GB datasource of SRP rasters, tileindexed, and having overview. The size is 600x600, and the zoom level is 1.</p>
</div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">@Frank : I m doing a lot of tests about rotation, zooming, resizing... to benchemark mapserver, and set a limit to my futur application. That is why it's important to me to know why it's take less/more time in specific angles.</p>
</div><div><div><p class="MsoNormal"> </p><div><p class="MsoNormal"> </p><div><p class="MsoNormal">2011/4/21 Frank Warmerdam <<a href="mailto:warmerdam@pobox.com" target="_blank">warmerdam@pobox.com</a>></p><div><div>
<p class="MsoNormal">On 11-04-21 10:32 AM, Mohamed Saâd HESSANE wrote:</p><p class="MsoNormal">Hy list,<br>I have a question. I'm doing a benchmarking test of a rotated map, and i get<br>the result in the attached file.<br>
My question is why it take more time to draw a map rotated at 45° than a map<br>rotated at 90° or 183° ???<br>Thank you !</p><p class="MsoNormal"> </p></div></div><p class="MsoNormal" style="margin-bottom:12.0pt">Mohamed,<br>
<br>It is not obvious to me why you are seeing the odd performance-base-on-angle<br>results you are encountering. I implemented the rotation support, and the<br>raster resampler used for warping rasters.<br><br>Best regards,<br>
<span style="color:#888888">-- <br>---------------------------------------+--------------------------------------<br>I set the clouds in motion - turn up | Frank Warmerdam, <a href="mailto:warmerdam@pobox.com" target="_blank">warmerdam@pobox.com</a><br>
light and sound - activate the windows | <a href="http://pobox.com/~warmerdam" target="_blank">http://pobox.com/~warmerdam</a><br>and watch the world go round - Rush | Geospatial Programmer for Rent</span></p></div><p class="MsoNormal">
</p></div></div></div></div></div><p class="MsoNormal"> </p></div></div></div></div></div></blockquote></div><br>