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  • geoserver中SLD样式 点 随比例尺缩放而变化

    在小付同学的帮助下,完成了SLD样式中点随着比例尺缩放而变化的效果。

    涉及的主要是三个属性,MAXSCALEDENOMINATOR,MINSCALEDENOMINATOR和SCALE。

    另外,点的样式<WellKnownName>triangle</WellKnownName>,可以有circle,square,triangle,cross,X,star,等其他。

    实现的整个点样式具体如下

    sld样式
    <?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">
    <NamedLayer>
    <Name>Simple point</Name>
    <UserStyle>
    <Title>GeoServer SLD Cook Book: Simple point</Title>
    <FeatureTypeStyle>
    <Rule>
    <MaxScaleDenominator>200000</MaxScaleDenominator>
    <MinScaleDenominator>150000</MinScaleDenominator>
    <PointSymbolizer>
    <Graphic>
    <Mark>
    <WellKnownName>triangle</WellKnownName>
    <Fill>
    <CssParameter name="fill">#FF0000</CssParameter>
    </Fill>
    </Mark>
    <Size>4</Size>
    </Graphic>
    </PointSymbolizer>
    </Rule>
    <Rule>
    <MaxScaleDenominator>150000</MaxScaleDenominator>
    <MinScaleDenominator>100000</MinScaleDenominator>
    <PointSymbolizer>
    <Graphic>
    <Mark>
    <WellKnownName>triangle</WellKnownName>
    <Fill>
    <CssParameter name="fill">#FF0000</CssParameter>
    </Fill>
    </Mark>
    <Size>6</Size>
    </Graphic>
    </PointSymbolizer>
    </Rule>
    <Rule>
    <MaxScaleDenominator>100000</MaxScaleDenominator>
    <MinScaleDenominator>50000</MinScaleDenominator>
    <PointSymbolizer>
    <Graphic>
    <Mark>
    <WellKnownName>triangle</WellKnownName>
    <Fill>
    <CssParameter name="fill">#FF0000</CssParameter>
    </Fill>
    </Mark>
    <Size>8</Size>
    </Graphic>
    </PointSymbolizer>
    </Rule>
    <Rule>
    <MaxScaleDenominator>50000</MaxScaleDenominator>
    <MinScaleDenominator>10000</MinScaleDenominator>
    <PointSymbolizer>
    <Graphic>
    <Mark>
    <WellKnownName>triangle</WellKnownName>
    <Fill>
    <CssParameter name="fill">#FF0000</CssParameter>
    </Fill>
    </Mark>
    <Size>10</Size>
    </Graphic>
    </PointSymbolizer>
    </Rule>
    <Rule>
    <MaxScaleDenominator>10000</MaxScaleDenominator>
    <MinScaleDenominator>5000</MinScaleDenominator>
    <PointSymbolizer>
    <Graphic>
    <Mark>
    <WellKnownName>triangle</WellKnownName>
    <Fill>
    <CssParameter name="fill">#FF0000</CssParameter>
    </Fill>
    </Mark>
    <Size>12</Size>
    </Graphic>
    </PointSymbolizer>
    </Rule>
    <Rule>
    <MaxScaleDenominator>5000</MaxScaleDenominator>
    <MinScaleDenominator>1000</MinScaleDenominator>
    <PointSymbolizer>
    <Graphic>
    <Mark>
    <WellKnownName>triangle</WellKnownName>
    <Fill>
    <CssParameter name="fill">#FF0000</CssParameter>
    </Fill>
    </Mark>
    <Size>14</Size>
    </Graphic>
    </PointSymbolizer>
    </Rule>
    </FeatureTypeStyle>
    </UserStyle>
    </NamedLayer>
    </StyledLayerDescriptor>

          

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  • 原文地址:https://www.cnblogs.com/gisalameda/p/1853695.html
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