# ReadModel
read polygonal geometry models with Assimp (STL, OBJ, 3DS, Collada, DXF, PLY, X3D, ...)

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<title>grid_out</title></rect>
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## Parameters
|name|description|type|
|-|-|-|
|first_step|first timestep to read|Int|
|last_step|last timestep to read (-1: last)|Int|
|step_increment|number of steps to increment|Int|
|first_rank|rank for first partition of first timestep|Int|
|filename|name of file (%1%: block, %2%: timestep)|String|
|indexed_geometry|create indexed geometry?|Int|
|triangulate|only create triangles|Int|
|first_block|number of first block|Int|
|last_block|number of last block|Int|
|ignore_errors|ignore files that are not found|Int|