HI, this is not so much related to OpenLayers, but to server components: db and mapserver that generate image, so you should try asking there (have you made spatial indexes in your database? )<br><br>cheers<br><br><div class="gmail_quote">
On Mon, Aug 31, 2009 at 7:31 AM, Rahn Hanno (rahn) <span dir="ltr"><<a href="mailto:rahn@zhaw.ch">rahn@zhaw.ch</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
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<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;">Hello list,</span></font></p>
<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;"> </span></font></p>
<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;" lang="EN-GB">I have another question. I have a solution with 4
different maps. In this maps there will always be the same geometries
(polygons) but the polygons will style with a sld file in different ways.</span></font></p>
<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;" lang="EN-GB">Now my question. My solution is not very fast. Are
there possibilities for upgrade the performance of the maps? I think you can do
some things to get a higher performance, but I don’t know what someone
has to do for this. Are there some rules or tipps from you to get a better
performance?</span></font></p>
<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;" lang="EN-GB"> </span></font></p>
<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;" lang="EN-GB">My data comes from a postgreSQL/postgis database. You
can see an example here:</span></font></p>
<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;" lang="EN-GB"><a href="http://webgis.hsw.ch/GINES/Start.php" target="_blank">http://webgis.hsw.ch/GINES/Start.php</a></span></font></p>
<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;" lang="EN-GB"> </span></font></p>
<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;" lang="EN-GB">Is it better to use tiles for this?</span></font></p>
<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;" lang="EN-GB"> </span></font></p>
<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;" lang="EN-GB">Greetings</span></font></p>
<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;" lang="EN-GB">Hanno Rahn</span></font></p>
<p><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial;" lang="EN-GB"> </span></font></p>
<p><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New";" lang="EN-GB">------------------------------------------</span></font></p>
<p><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New";" lang="EN-GB">Hanno Rahn, Dipl.-Ing. (FH)
Geoinfor</span></font><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New";">matik</span></font></p>
<p><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New";">ZHAW Zürcher Hochschule für Angewandte
Wissenschaften Umwelt und Natürliche Ressourcen </span></font></p>
<p><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New";">Fachstelle Geoinformatik </span></font></p>
<p><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New";">Grüental, Postfach CH-8820 Wädenswil </span></font></p>
<p><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New";" lang="EN-GB">Tel +41 (0)58 934 5592</span></font></p>
<p><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New";" lang="EN-GB">Fax +41 (0)58 934 5580 </span></font></p>
<p><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New";" lang="EN-GB"><a href="mailto:hanno.rahn@zhaw.ch" target="_blank">hanno.rahn@zhaw.ch</a> </span></font></p>
<p><font size="2" face="Courier New"><span style="font-size: 10pt; font-family: "Courier New";" lang="EN-GB"> </span></font></p>
<p><font size="3" face="Times New Roman"><span style="font-size: 12pt;" lang="EN-GB"> </span></font></p>
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<br></blockquote></div><br><br clear="all"><br>-- <br>Ivan Grcic<br>