<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><DIV><BR class="khtml-block-placeholder"></DIV><DIV>Hi Steve,</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>I've rebuilt mapserver with the debug option and copied the new php_mapscript.so over.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>And I've added the debug option in the map file as well.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>no luck.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>I see this in my configure log.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>configure:10254: checking whether we should enable debug features...</DIV><DIV>configure:10271: result: Enabling debug features: -g in CFLAGS and msDebug() to stderr (-DENABLE_STDERR_DEBUG).</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>I checked all of my PHP and apache logs and don't see anything. Do you see anything I missed?</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>thanks,</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>boice</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV><BR class="khtml-block-placeholder"></DIV><BR><DIV><BLOCKQUOTE type="cite"><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">2) build mapserver with the debug option in ./configure</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><SPAN class="Apple-converted-space"> </SPAN>then add DEBUG TRUE to the map section of you mapfile</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><SPAN class="Apple-converted-space"> </SPAN>then render you map and look in /var/log/apache/error.log</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><SPAN class="Apple-converted-space"> </SPAN>and you will fine information about how long it takes each layer</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><SPAN class="Apple-converted-space"> </SPAN>to render. do this at the various scales you use.</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><SPAN class="Apple-converted-space"> </SPAN>if you have huge shapefiles and you are only rendering parts of them</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><SPAN class="Apple-converted-space"> </SPAN>then consider using shape2tile to break the data into tiles.</DIV></BLOCKQUOTE><DIV><BR class="khtml-block-placeholder"></DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV><BR class="khtml-block-placeholder"></DIV><BR><BLOCKQUOTE type="cite"><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">3) optimize the slow layers</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><SPAN class="Apple-converted-space"> </SPAN>a) reduce the amount of data you are displaying</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><SPAN class="Apple-converted-space"> </SPAN>maybe turn off that layer at that scale</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><SPAN class="Apple-converted-space"> </SPAN>create a generalize version of that layer for that scale</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><SPAN class="Apple-converted-space"> </SPAN>b) reduce the number of labels if you label cache time is large</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><SPAN class="Apple-converted-space"> </SPAN>turn off some of the labels you are drawing at that scale</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">4) if it is a raster layer that is slow, then post a message asking</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><SPAN class="Apple-converted-space"> </SPAN>Frank Warmerdam or Ed McNierney for suggestions on how to improve</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><SPAN class="Apple-converted-space"> </SPAN>your reaster performance</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">5) if I haven't covered it here or you are sure what to do about a specific performance issue, post a more specific question.</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">6) oh yeah, if you are using shapefiles and have problems rendering data mvoing to postgres will generally not help you.</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">-Steve W</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; min-height: 14px; "><BR></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">boice tomlin wrote:</DIV> <BLOCKQUOTE type="cite"><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Hello users,</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">The map located here;</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><A href="http://gisinventory.net/status_maps.html">http://gisinventory.net/status_maps.html</A></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">takes a while to load.<SPAN class="Apple-converted-space"> </SPAN>At least at the national view where there is a lot of area to render.</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">I am looking for alternative ways to generate the map that will significantly improve performance.</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Currently I am using php and looping through data and turning on layers as I go.<SPAN class="Apple-converted-space"> </SPAN>The PHP part is lightning fast.<SPAN class="Apple-converted-space"> </SPAN>But after I get the map ready mapserver takes several seconds to generate it.</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">I'm curious about alternative ways to handle this problem and wonder if anyone had comments on any of them.</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">1) modifying the shape files in some way so the layer information is in those files.</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">2) using a db such as postgres with postgis.</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Right now I have to generate a bunch of dynamic classes in PHP using the general method below.</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">$lyr = $this->ramona_map->getLayerByName("state_yes");</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><SPAN class="Apple-converted-space"> </SPAN>$cla = $lyr->getClass(0);</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><SPAN class="Apple-converted-space"> </SPAN>$cla->setExpression("/".$expression."/");</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><SPAN class="Apple-converted-space"> </SPAN>$lyr->set("status", MS_ON);</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">I have to do this several hundred times to represent all of the data.<SPAN class="Apple-converted-space"> </SPAN>The time it takes to generate the map seem proportionate to the amount of layers I make visible.<SPAN class="Apple-converted-space"> </SPAN>And again this is on the mapserver side and not PHP.<SPAN class="Apple-converted-space"> </SPAN>PHP does its part of the operation in thousandths of a second.</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">thanks,</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">-boice tomlin</DIV><DIV style="margin-top: 0px; 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