mapnik/tests/visual_tests/styles/marker-line-placement-many-vertices.xml

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE Map>
<Map srs="+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over" background-color="white">
    <Parameters>
        <Parameter name="sizes">600, 400</Parameter>
    </Parameters>
    <Layer name="layer" srs="+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over">
        <StyleName>My Style</StyleName>
        <Datasource>
            <Parameter name="type">csv</Parameter>
            <Parameter name="inline">
                name,wkt
                one,"LINESTRING(-11910145.81 4703881.8, -11910145.81 4703423.84,-11910160.59 4703432.16,-11910166.19 4703437.59,-11910173.45 4703446.41,-11910177.3 4703450.97,-11910192.16 4703462.59,-11910204.85 4703471.78,-11910212.45 4703479.48,-11910221.64 4703489.36,-11910226.1 4703494.08,-11910237.21 4703504.49,-11910243.24 4703510.09,-11910248.05 4703515.34,-11910252.77 4703519.28,-11910270.35 4703533.17,-11910287.15 4703551.01,-11910297.38 4703561.96,-11910305.77 4703571.92,-11910310.15 4703577.61,-11910316.36 4703584.26,-11910322.14 4703588.67,-11910331.31 4703595.72,-11910344.33 4703608.96,-11910351.24 4703615.98,-11910355.65 4703620.48,-11910366.33 4703631.8,-11910372.95 4703639.49,-11910377.01 4703645.05,-11910379.94 4703647.91,-11910384.5 4703651.34,-11910393.1 4703660.65,-11910398.84 4703665.75,-11910405.07 4703670.16,-11910407.65 4703673.09,-11910410.87 4703677.79,-11910414.38 4703681.34,-11910417.73 4703687.09,-11910420.81 4703692.48,-11910429.84 4703699.54,-11910432.91 4703703.67,-11910437.32 4703710.88,-11910442.36 4703715.78,-11910449.22 4703720.33,-11910451.95 4703722.55,-11910455.8 4703727.74,-11910464.26 4703732.86,-11910471.12 4703737.82,-11910478.04 4703746.84,-11910491.9 4703763.57,-11910498.05 4703770.49,-11910507.08 4703782.24,-11910519.18 4703795.54,-11910521.99 4703802.82,-11910526.6 4703809.54,-11910530.8 4703813.87,-11910535.7 4703823.8,-11910540.95 4703834.86,-11910543.54 4703839.76,-11910548.78 4703853.41,-11910550.39 4703856.97,-11910553.61 4703860.69,-11910555.77 4703869.08,-11910558.86 4703875.87,-11910561.37 4703879.51,-11910566.84 4703882.72,-11910571.38 4703883.63,-11910576.21 4703884.4,-11910580.05 4703884.4,-11910584.18 4703885.38,-11910593.08 4703887.55,-11910599.16 4703891.19,-11910605.39 4703894.13,-11910609.37 4703895.74,-11910612.17 4703896.01,-11910617.49 4703893.15,-11910623.37 4703888.19,-11910634.42 4703883.42,-11910644.28 4703881.75,-11910653.52 4703881.8)"
            </Parameter>
        </Datasource>
    </Layer>

    <Style name="My Style">
        <Rule>
            <MarkersSymbolizer file="shape://ellipse" placement="line" spacing="30" />
            <LineSymbolizer stroke-width="0.2" stroke="#ff0000" />
        </Rule>
    </Style>
</Map>