Each marker is custom scaled to 15m using Custom SLD styling.
<?xml version="1.0" encoding="UTF-8"?> <sld:StyledLayerDescriptor xmlns="http://www.opengis.net/sld" xmlns:sld="http://www.opengis.net/sld" xmlns:ogc="http://www.opengis.net/ogc" xmlns:gml="http://www.opengis.net/gml" version="1.0.0"> <sld:NamedLayer> <sld:Name>Custom External Markers</sld:Name> <sld:UserStyle> <sld:Name>Custom External Markers</sld:Name> <sld:FeatureTypeStyle> <sld:Name>name</sld:Name> <sld:Rule> <sld:Title>Bulldozer</sld:Title> <ogc:Filter> <ogc:PropertyIsEqualTo> <ogc:PropertyName>category</ogc:PropertyName> <ogc:Literal>bulldozer</ogc:Literal> </ogc:PropertyIsEqualTo> </ogc:Filter> <sld:PointSymbolizer uom="http://www.opengeospatial.org/se/units/metre"> <sld:Graphic> <sld:ExternalGraphic> <sld:OnlineResource xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" xlink:href="https://images2.imgbox.com/16/41/WTQ3ZFXN_o.png"/> <sld:Format>image/png</sld:Format> </sld:ExternalGraphic> <sld:Size>15</sld:Size> </sld:Graphic> </sld:PointSymbolizer> </sld:Rule> <sld:Rule> <sld:Title>Roller</sld:Title> <ogc:Filter> <ogc:PropertyIsEqualTo> <ogc:PropertyName>category</ogc:PropertyName> <ogc:Literal>roller</ogc:Literal> </ogc:PropertyIsEqualTo> </ogc:Filter> <sld:PointSymbolizer uom="http://www.opengeospatial.org/se/units/metre"> <sld:Graphic> <sld:ExternalGraphic> <sld:OnlineResource xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" xlink:href="https://images2.imgbox.com/68/f8/AVMrkrKz_o.png"/> <sld:Format>image/png</sld:Format> </sld:ExternalGraphic> <sld:Size>15</sld:Size> </sld:Graphic> </sld:PointSymbolizer> </sld:Rule> <sld:Rule> <sld:Title>Excavator</sld:Title> <ogc:Filter> <ogc:PropertyIsEqualTo> <ogc:PropertyName>category</ogc:PropertyName> <ogc:Literal>excavator</ogc:Literal> </ogc:PropertyIsEqualTo> </ogc:Filter> <sld:PointSymbolizer uom="http://www.opengeospatial.org/se/units/metre"> <sld:Graphic> <sld:ExternalGraphic> <sld:OnlineResource xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" xlink:href="https://images2.imgbox.com/b1/e5/aCC7uqee_o.png"/> <sld:Format>image/png</sld:Format> </sld:ExternalGraphic> <sld:Size>15</sld:Size> </sld:Graphic> </sld:PointSymbolizer> </sld:Rule> </sld:FeatureTypeStyle> </sld:UserStyle> </sld:NamedLayer> </sld:StyledLayerDescriptor>
Asset markers using ground-scaled images.