Function read_surface_mesh

splashsurf/src/io.rs:238–273

Loads a surface mesh from the given file path, automatically detects the file format

(
    input_file: P,
    _format_params: &InputFormatParameters,
)

/// Loads a surface mesh from the given file path, automatically detects the file format
pub fn read_surface_mesh<R: Real, P: AsRef<Path>>(
    input_file: P,
    _format_params: &InputFormatParameters,
) -> Result<MeshWithData<R, TriMesh3d<R>>, anyhow::Error> {
    let input_file = input_file.as_ref();
    info!("Reading mesh from \"{}\"...", input_file.display());

    let mesh = if let Some(extension) = input_file.extension() {
        profile!("loading surface mesh");

        let extension = extension
            .to_str()
            .ok_or(anyhow!("Invalid extension of input file"))?;

        match extension.to_lowercase().as_str() {
            "vtk" => vtk_format::surface_mesh_from_vtk(input_file),
            "ply" => ply_format::surface_mesh_from_ply(input_file),
            _ => Err(anyhow!(
                "Unsupported file format extension \"{}\" for reading surface meshes",
                extension
            )),
        }
    } else {
        Err(anyhow!(
            "Unable to detect file format of mesh input file (file name has to end with supported extension)",
        ))
    }?;

    info!(
        "Successfully read mesh with {} vertices and {} cells.",
        mesh.mesh.vertices().len(),
        mesh.mesh.cells().len()
    );

    Ok(mesh)
}

/// Writes a mesh and its attribute data to the given file path, automatically detects the file format
pub fn write_mesh<'a, R: Real, MeshT: Mesh3d<R>, P: AsRef<Path>>(