vtkio

A parser and writer for the Visualization Toolkit (VTK) legacy file format.

This is meant to be a feature complete parser of the legacy VTK file format. However, I have only used this parser for tetrahedral and triangle meshes, and I am still lacking real world tests. Pull requests welcome.

This parser is written using nom.

Examples

There are many sample files can be found in the assets directory. For the following example, we will load a VTK file named tet.vtk, modify it and write it back in ASCII VTK format.

extern crate vtkio;
use vtkio::model::*; // import model definition of a VTK file
use vtkio::{import, export_ascii};
fn main() {
    use std::path::PathBuf;
    let file_path = PathBuf::from("tet.vtk");
    
    let mut vtk_file = import(&file_path)
        .expect(&format!("Failed to load file: {:?}", file_path));
    
    vtk_file.version = Version::new((4,2)); // arbitrary change

    export_ascii(vtk_file, &file_path)
        .expect(&format!("Failed to save file: {:?}", file_path));
}

Notes

If you are working with binary files produced by ParaView, it is likely that they will be written in big endian format regardless of your platform. To load binary files in a specific endianness, use the import_le and import_be functions for little and big endian files respectively.

License

This repository is licensed under either of

• Apache License, Version 2.0, (LICENSE-APACHE or https://www.apache.org/licenses/LICENSE-2.0)
• MIT License (LICENSE-MIT or https://opensource.org/licenses/MIT)

at your option.