pub trait RONImport: Sized + Grid {
// Required method
fn from_ron_string(s: String) -> Self;
// Provided method
fn import_from_ron(filename: &str) -> Self { ... }
}Expand description
Grid import for RON
Required Methods§
Sourcefn from_ron_string(s: String) -> Self
fn from_ron_string(s: String) -> Self
Generate grid from a RON string
Provided Methods§
Sourcefn import_from_ron(filename: &str) -> Self
fn import_from_ron(filename: &str) -> Self
Import from RON
Examples found in repository?
ndgrid/examples/io.rs (lines 21-23)
13fn main() {
14 // Create a grid using the shapes module: unit_cube_boundary will mesh the surface of a cube
15 let g = shapes::unit_cube_boundary::<f64>(4, 5, 4, ReferenceCellType::Triangle);
16
17 // If the serde option is used, the raw grid data can be exported in RON format
18 g.export_as_ron("_unit_cube_boundary.ron");
19
20 // A grid can be re-imported from raw RON data
21 let g2 = SingleElementGrid::<f64, CiarletElement<f64, IdentityMap>>::import_from_ron(
22 "_unit_cube_boundary.ron",
23 );
24
25 // Print the first 5 cells of each grid
26 println!("The first 5 cells of the grids");
27 for (cell, cell2) in izip!(
28 g.entity_iter(ReferenceCellType::Triangle),
29 g2.entity_iter(ReferenceCellType::Triangle)
30 )
31 .take(5)
32 {
33 println!(
34 "{:?} {:?}",
35 cell.topology()
36 .sub_entity_iter(ReferenceCellType::Point)
37 .collect::<Vec<_>>(),
38 cell2
39 .topology()
40 .sub_entity_iter(ReferenceCellType::Point)
41 .collect::<Vec<_>>(),
42 );
43 }
44
45 println!();
46
47 // Alternatively, grids can be exported and imported to/from Gmsh files
48
49 // Export the grid as a Gmsh .msh file
50 g.export_as_gmsh("_unit_cube_boundary.msh");
51
52 // To import from a Gmsh .msh file, a builder is used
53 let mut b = SingleElementGridBuilder::<f64>::new(3, (ReferenceCellType::Triangle, 1));
54 b.import_from_gmsh("_unit_cube_boundary.msh");
55 let g3 = b.create_grid();
56
57 // Print the first 5 cells of each grid
58 println!("The first 5 cells of the grids");
59 for (cell, cell3) in izip!(
60 g.entity_iter(ReferenceCellType::Triangle),
61 g3.entity_iter(ReferenceCellType::Triangle)
62 )
63 .take(5)
64 {
65 println!(
66 "{:?} {:?}",
67 cell.topology()
68 .sub_entity_iter(ReferenceCellType::Point)
69 .collect::<Vec<_>>(),
70 cell3
71 .topology()
72 .sub_entity_iter(ReferenceCellType::Point)
73 .collect::<Vec<_>>(),
74 );
75 }
76}Dyn Compatibility§
This trait is not dyn compatible.
In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.