mapnik/tests/visual_tests/styles/repeat-labels-4.xml

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE Map>
<Map background-color="white" srs="+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs">
    <Parameters>
        <Parameter name="sizes">750,250</Parameter>
    </Parameters>

    <Style name="line">
        <Rule>
            <LineSymbolizer stroke-width="8" stroke="orange"/>
        </Rule>
    </Style>

    <Style name="marker">
        <Rule>
            <Filter>[type] = 'poi'</Filter>
            <MarkersSymbolizer />
        </Rule>
    </Style>

    <Style name="shield">
        <Rule>
            <Filter>[type] = 'motorway'</Filter>
            <ShieldSymbolizer margin="10" repeat-distance="60" spacing="120" placement="line" face-name="DejaVu Sans Book" size="10" fill="white" file="../../data/svg/rect.svg" transform="scale(0.75)">[ref]</ShieldSymbolizer>
        </Rule>
    </Style>

    <Style name="text">
        <Rule>
            <Filter>[type] != 'poi'</Filter>
            <TextSymbolizer margin="3" repeat-distance="40" spacing="70" placement="line" face-name="DejaVu Sans Book" size="12">[name]</TextSymbolizer>
        </Rule>
    </Style>

    <Layer name="layer" srs="+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs">
        <StyleName>line</StyleName>
        <StyleName>marker</StyleName>
        <StyleName>shield</StyleName>
        <StyleName>text</StyleName>
        <Datasource>
            <Parameter name="type">csv</Parameter>
            <Parameter name="extent">-12, -4, 12, 4</Parameter>
            <Parameter name="file">../data/repeat-labels.csv</Parameter>
        </Datasource>
    </Layer>

</Map>