[fusion-users] Proper Class Names in MapServer Mapfile

Nolte, Tim Tim.Nolte at ipcswirelessinc.com
Tue Sep 8 16:45:58 EDT 2009


OK, so I decided to do a little digging in the MapServer code. I'd like
to propose the following code change in the LoadMap.php:

         //create classes and slot them into the scale breaks
         for ($j=0; $j<$layer->numclasses; $j++) {
             $oClass = $layer->getClass($j);
             $classObj = NULL;
             // Use formatted legend label as defined by CLASS->TITLE
             $classObj->legendLabel = $oClass->title != '' ?
$oClass->title : $oClass->name;
             //$classObj->legendLabel = $oClass->name;
             $classObj->filter = $oClass->getExpression();
             $classMin = $oClass->minscale == -1 ? $layerMin :
max($oClass->minscale, $layerMin);
             $classMax = $oClass->maxscale == -1 ? $layerMax :
min($oClass->maxscale, $layerMax);
             $classObj->minScale = $classMin;
             $classObj->maxScale = $classMax;
             $classObj->index = $j;
             for ($k=0; $k<count($aScaleRanges); $k++) {
                 if ($classMin < $aScaleRanges[$k]->maxScale &&
                     $classMax > $aScaleRanges[$k]->minScale) {
                     array_push($aScaleRanges[$k]->styles, $classObj);
                 }
             }
         }

This block starts around line 306. My code change looks for a
CLASS->TITLE and uses that and if not found falls back on the
CLASS->NAME. I've tested and it works perfectly! I would really like to
not have to manually maintain my custom code here. Thanks!

- Tim

----
Timothy J Nolte - tnolte at ilpcs.com
Network Planning Engineer

iPCS Wireless, Inc.
4717 Broadmoor Ave, Suite G
Kentwood, MI 49512

Office: 616-656-5163
PCS:    616-706-2438
Fax:    616-554-6484
Web: www.ipcswirelessinc.com
-----Original Message-----
From: fusion-users-bounces at lists.osgeo.org
[mailto:fusion-users-bounces at lists.osgeo.org] On Behalf Of Nolte, Tim
Sent: Tuesday, September 08, 2009 4:14 PM
To: fusion-users at lists.osgeo.org
Subject: [fusion-users] Proper Class Names in MapServer Mapfile

I have figured out how to give properly formatted names to groups and
layers. The problem I run into now is I have a few layers that I am
classifying. These classified layers are showing the crude CLASS -> NAME
(e.g. 'on_air_evdo') but I want to have Fusion show a properly formatted
name (e.g. 'EVDO On-Air'). Thanks.

- Tim

----
Timothy J Nolte - tnolte at ilpcs.com
Network Planning Engineer

iPCS Wireless, Inc.
4717 Broadmoor Ave, Suite G
Kentwood, MI 49512

Office: 616-656-5163
PCS:    616-706-2438
Fax:    616-554-6484
Web: www.ipcswirelessinc.com
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