conspire/geometry/mesh/tessellation/write/
mod.rs

1#[cfg(test)]
2mod test;
3
4use crate::{
5    geometry::mesh::{Connectivity, tessellation::Tessellation},
6    io::Write,
7    math::Tensor,
8};
9use std::{
10    fs::File,
11    io::{BufWriter, Error as ErrorIO, Write as WriteIO},
12    path::Path,
13};
14
15impl<P> Write<P> for Tessellation
16where
17    P: AsRef<Path>,
18{
19    type Error = ErrorIO;
20    fn write(&self, path: P) -> Result<(), Self::Error> {
21        let mut writer = BufWriter::new(File::create(path)?);
22        writer.write_all(&[0_u8; 80])?;
23        writer.write_all(&(self.mesh.number_of_elements() as u32).to_le_bytes())?;
24        self.mesh
25            .connectivities()
26            .iter()
27            .zip(self.normals.iter())
28            .try_for_each(|(connectivity, normals)| match connectivity {
29                Connectivity::Triangular(triangles) => triangles
30                    .iter()
31                    .zip(normals.iter())
32                    .try_for_each(|(nodes, normal)| {
33                        normal.iter().try_for_each(|&component| {
34                            writer.write_all(&(component as f32).to_le_bytes())
35                        })?;
36                        nodes.iter().try_for_each(|&node| {
37                            self.mesh.coordinates()[node]
38                                .iter()
39                                .try_for_each(|&coordinate| {
40                                    writer.write_all(&(coordinate as f32).to_le_bytes())
41                                })
42                        })?;
43                        writer.write_all(&0_u16.to_le_bytes())
44                    }),
45                _ => panic!("STL only supports triangular blocks"),
46            })?;
47        writer.flush()
48    }
49}
conspire/geometry/mesh/tessellation/write/mod.rs

conspire/geometry/mesh/tessellation/write/
mod.rs
