[Geoserver-devel] [jira] Created: (GEOS-1999) SLD's tag does not affect Placemark elements

[Tyler Erickson (JIRA)]

SLD's <Size> tag does not affect Placemark elements
---------------------------------------------------

                 Key: GEOS-1999
                 URL: http://jira.codehaus.org/browse/GEOS-1999
             Project: GeoServer
          Issue Type: Bug
          Components: Google Earth KML Output
    Affects Versions: 1.7.0-beta1
            Reporter: Tyler Erickson
            Assignee: Andrea Aime


The KML returned by GeoServer can be in two forms: Placemark or Overlay 
elements.  The Overlay element displays scaled point graphics as described by 
the SLD, but the Placemark elements are not scaled  and all placemark elements 
are the same size.

(i.e. the KML is missing the <IconStyle><scale> tag that would scale the 
placemark)

Here is an example SLD that returns a variable size point symbol...

<?xml version="1.0" encoding="iso-8859-1"?>
<StyledLayerDescriptor version="1.0.0" 
xsi:schemaLocation="http://www.opengis.net/sld StyledLayerDescriptor.xsd" 
xmlns="http://www.opengis.net/sld"; xmlns:ogc="http://www.opengis.net/ogc"; 
xmlns:xlink="http://www.w3.org/1999/xlink";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";>
  <!-- a named layer is the basic building block of an sld document -->
  <NamedLayer>
    <Name>Object Tracking Style</Name>
    <UserStyle>
      <!-- they have names, titles and abstracts -->
      <Title>Object Tracking Style</Title>
      <Abstract>A style that symbolizes point objects that are being 
tracked</Abstract>
      <!-- FeatureTypeStyles describe how to render different features -->
      <!-- a feature type for points -->
      <FeatureTypeStyle>
        <!--FeatureTypeName>Feature</FeatureTypeName-->
        <Rule>
          <Name>Rule Default</Name>
          <Title>Default Rule</Title>
          <Abstract>Default Rule</Abstract>
          <!-- like a linesymbolizer but with a fill too -->
          <PointSymbolizer>
            <Graphic>
              <ExternalGraphic>
                <OnlineResource xlink:type="simple" 
xlink:href="http://maps.google.com/mapfiles/kml/shapes/donut.png"; />
                <Format>image/png</Format>
              </ExternalGraphic>
              <Mark>
                <Fill>
                  <CssParameter name="fill">#FF0000</CssParameter>
                  <CssParameter name="fill-opacity">1.0</CssParameter>
                </Fill>
              </Mark>
              <Size>
                <ogc:Mul>
                  <ogc:PropertyName>location_horiz_error</ogc:PropertyName>
                  <ogc:Literal>0.1</ogc:Literal>
                </ogc:Mul>
              </Size>
            </Graphic>
          </PointSymbolizer>
        </Rule>
      </FeatureTypeStyle>
    </UserStyle>
  </NamedLayer>
</StyledLayerDescriptor>

Here is an example KML that is returned by geoserver (that is missing a <scale> 
element...

<?xml version="1.0" encoding="UTF-8"?>
<kml xmlns="http://earth.google.com/kml/2.2";>
<Document>
        <name>KmlFile</name>
        <Style id="GeoServerStylev_observation.nfm-e769109_11aa6554706_-5628">
                <IconStyle>
                        <Icon>
                                
<href>http://maps.google.com/mapfiles/kml/shapes/donut.png</href>
                        </Icon>
                </IconStyle>
        </Style>
        <Placemark id="v_observation.nfm-e769109_11aa6554706_-5628">
                <description><![CDATA[<h4>v_observation</h4>

<ul class="textattributes">
  <li><strong><span class="atr-name">observation_id</span>:</strong> <span 
class="atr-value">1904</span></li>
  <li><strong><span class="atr-name">datestamp</span>:</strong> <span 
class="atr-value">6/19/08 12:01 AM</span></li>
  
  <li><strong><span class="atr-name">location_horiz_error</span>:</strong> 
<span class="atr-value">500.0</span></li>
  <li><strong><span class="atr-name">location_vert</span>:</strong> <span 
class="atr-value"></span></li>
  <li><strong><span class="atr-name">location_vert_error</span>:</strong> <span 
class="atr-value"></span></li>
  <li><strong><span class="atr-name">direction</span>:</strong> <span 
class="atr-value"></span></li>
  <li><strong><span class="atr-name">speed</span>:</strong> <span 
class="atr-value"></span></li>
  <li><strong><span class="atr-name">observation_type_no</span>:</strong> <span 
class="atr-value">0</span></li>
  <li><strong><span class="atr-name">temp_object_id</span>:</strong> <span 
class="atr-value">1</span></li>
</ul>]]></description>
                <LookAt>
                        <longitude>6.83558117478245</longitude>
                        <latitude>4.60914294994307</latitude>
                        <altitude>0</altitude>
                        <range>700</range>
                        <tilt>10</tilt>
                        <heading>10</heading>
                </LookAt>
                <TimeStamp><when>2008-06-19T00:01:00-04:00</when>
</TimeStamp>
                
<styleUrl>#GeoServerStylev_observation.nfm-e769109_11aa6554706_-5628</styleUrl>
                <Point>
                        <coordinates>6.83558117,4.60914295,0</coordinates>
                </Point>
        </Placemark>
</Document>
</kml>





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