mapnik/tests/visual_tests/styles/orientation.xml

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE Map>
<Map background-color="white" srs="+proj=latlong +datum=WGS84">

    <Layer name="layer" srs="+proj=latlong +datum=WGS84">
        <StyleName>My Style</StyleName>
        <Datasource>
            <Parameter name="type">shape</Parameter>
            <Parameter name="file">../data/points.shp</Parameter>
        </Datasource>
    </Layer>

    <Style name="My Style">
        <Rule>
            <Filter>[nr] = '1'</Filter>
            <TextSymbolizer face-name="DejaVu Sans Book" size="16" placement="point" orientation="45">"XYZ"</TextSymbolizer>
            <PointSymbolizer allow-overlap="true"/> 
        </Rule>
        <Rule>
            <Filter>[nr] = '2'</Filter>
            <TextSymbolizer face-name="DejaVu Sans Book" size="16" placement="point" orientation="90">"XYZ"</TextSymbolizer>
            <PointSymbolizer allow-overlap="true"/>
        </Rule>
        <Rule>
            <Filter>[nr] = '3'</Filter>
            <TextSymbolizer face-name="DejaVu Sans Book" size="16" placement="point" orientation="180">"XYZ"</TextSymbolizer>
            <PointSymbolizer allow-overlap="true"/>
        </Rule>
        <Rule>
            <Filter>[nr] = '4'</Filter>
            <TextSymbolizer face-name="DejaVu Sans Book" size="16" placement="point" orientation="45" dy="10">"Line&#10;break"</TextSymbolizer>
            <PointSymbolizer allow-overlap="true"/>
        </Rule>
        <Rule>
            <Filter>[nr] = '5'</Filter>
            <TextSymbolizer face-name="DejaVu Sans Book" size="16" placement="point" orientation="45" dy="10">"XYZ"</TextSymbolizer>
            <PointSymbolizer allow-overlap="true"/>
        </Rule>
        <Rule>
            <Filter>[nr] = '6'</Filter>
            <TextSymbolizer face-name="DejaVu Sans Book" size="16" placement="point" orientation="90" dy="10">"XYZ"</TextSymbolizer>
            <PointSymbolizer allow-overlap="true"/>
        </Rule>
        <Rule>
            <Filter>[nr] = '7'</Filter>
            <TextSymbolizer face-name="DejaVu Sans Book" size="16" placement="point" orientation="180" dy="10">"XYZ"</TextSymbolizer>
            <PointSymbolizer allow-overlap="true"/>
        </Rule>
        <Rule>
            <Filter>[nr] = '8'</Filter>
            <TextSymbolizer face-name="DejaVu Sans Book" size="16" placement="point" orientation="0" dx="0.01" dy="-0.01" rotate-displacement="true">"XYZ"</TextSymbolizer>
            <PointSymbolizer allow-overlap="true"/>
        </Rule>
        <Rule>
            <Filter>[nr] = '9'</Filter>
            <TextSymbolizer face-name="DejaVu Sans Book" size="16" placement="point" orientation="90" dy="0.01" dx="-0.01" rotate-displacement="false">"XYZ"</TextSymbolizer>
            <PointSymbolizer allow-overlap="true"/>
        </Rule>
        <Rule>
            <Filter>[nr] = '10'</Filter>
            <TextSymbolizer face-name="DejaVu Sans Book" size="16" placement="point" orientation="180" dy="10" rotate-displacement="true">"XYZ"</TextSymbolizer>
            <PointSymbolizer allow-overlap="true"/>
        </Rule>
    </Style>

</Map>