# IsoSurfaceVtkm
extract surfaces with constant data level

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<title>data_in</title></rect>
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<text x="1.9em" y="0.8999999999999998em" class="text" >input gird or geometry with scalar data<tspan> (data_in)</tspan></text>
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<title>mapdata_in</title></rect>
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<text x="3.0999999999999996em" y="1.9em" class="text" >additional mapped field<tspan> (mapdata_in)</tspan></text>
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<title>data_out</title></rect>
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<text x="1.9em" y="6.8999999999999995em" class="text" >surface with mapped data<tspan> (data_out)</tspan></text>
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## Parameters
|name|description|type|
|-|-|-|
|isovalue|isovalue|Float|
|isopoint|isopoint|Vector|
|point_or_value|point or value interaction (PointPerTimestep, Value, PointInFirstStep)|Int|
|compute_normals|compute normals (structured grids only)|Int|