QGIS、geoserver分子分母式标注等技巧

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已于 2025-02-18 16:08:37 修改 · 291 阅读

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#qgis #标注 #geoserver

于 2025-02-07 09:45:22 首次发布

1.QGIS下分子分母式标注

 right( "zddm",7) ||  '\n' || char(45) || char(45)|| char(45)|| char(45)|| char(45)|| char(45)|| char(45)|| char(45)||  '\n'|| "zl"

2. geoserver下样式实现分子分母式的标注

<?xml version="1.0" encoding="UTF-8"?>
<StyledLayerDescriptor xmlns="http://www.opengis.net/sld" xsi:schemaLocation="http://www.opengis.net/sld http://schemas.opengis.net/sld/1.1.0/StyledLayerDescriptor.xsd" xmlns:se="http://www.opengis.net/se" version="1.1.0" xmlns:ogc="http://www.opengis.net/ogc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink">
  <NamedLayer>
    <se:Name>zdjbxx</se:Name>
    <UserStyle>
      <se:Name>zdjbxx</se:Name>
      <se:FeatureTypeStyle>
        <se:Rule>
          <se:Name>Single symbol</se:Name>
          <se:PolygonSymbolizer>
            <se:Fill>
              <se:SvgParameter name="fill">#ccd99c</se:SvgParameter>
              <se:SvgParameter name="fill-opacity">0.25</se:SvgParameter>
            </se:Fill>
            <se:Stroke>
              <se:SvgParameter name="stroke">#b8d93f</se:SvgParameter>
              <se:SvgParameter name="stroke-opacity">0.25</se:SvgParameter>
              <se:SvgParameter name="stroke-width">2</se:SvgParameter>
              <se:SvgParameter name="stroke-linejoin">bevel</se:SvgParameter>
            </se:Stroke>
          </se:PolygonSymbolizer>
        </se:Rule>
        <se:Rule>
          <!-- 分子 -->
          <se:TextSymbolizer>
            <se:Label>
              <ogc:Function name="strSubstringStart">
                <ogc:PropertyName>zddm</ogc:PropertyName>
                <ogc:Literal>12</ogc:Literal>
              </ogc:Function>
            </se:Label>
            <se:Font>
              <se:SvgParameter name="font-family">微软雅黑</se:SvgParameter>
              <se:SvgParameter name="font-size">20</se:SvgParameter>
            </se:Font>
            <se:LabelPlacement>
              <se:PointPlacement>
                <se:AnchorPoint>
                  <se:AnchorPointX>0.5</se:AnchorPointX>
                  <se:AnchorPointY>0.5</se:AnchorPointY>
                </se:AnchorPoint>
                <se:Displacement>
                  <se:DisplacementX>0</se:DisplacementX>
                  <se:DisplacementY>20</se:DisplacementY>
                </se:Displacement>
              </se:PointPlacement>
            </se:LabelPlacement>
            <se:Halo>