mapnik test vertical-alignment=top

mapnik-2.3-text-top-800-800-1.0-agg.png

mapnik-3.0-text-top-800-800-1.0-agg.png

test.xml

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE Map>
<!-- Upright test -->
<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">csv</Parameter>
            <Parameter name="file">../data/lines2.csv</Parameter>
        </Datasource>
    </Layer>

    <Style name="My Style">
        <Rule>
            <LineSymbolizer stroke-width="12" stroke="red"/>
            <TextSymbolizer
                face-name="DejaVu Sans Book"
                size="16"
                placement="line"
                max-char-angle-delta="0"
                vertical-alignment="top"
                spacing="20"
                >"vertical-alignment=top"</TextSymbolizer>
            <MarkersSymbolizer placement="vertex-first" />
        </Rule>
    </Style>

</Map>