create/
create.rs

1use dbase::{dbase_record, TableWriterBuilder};
2use shapefile::{dbase, Point, Polyline, Writer};
3
4fn example_1() {
5    const FILE_NAME: &str = "hello_shape_1.shp";
6
7    let square = Polyline::new(vec![
8        Point::new(0.0, 0.0),
9        Point::new(0.0, 1.0),
10        Point::new(1.0, 1.0),
11        Point::new(1.0, 0.0),
12    ]);
13
14    let bigger_square = Polyline::new(vec![
15        Point::new(0.0, 0.0),
16        Point::new(0.0, 10.0),
17        Point::new(10.0, 10.0),
18        Point::new(10.0, 0.0),
19    ]);
20
21    // Create the builder for the accompanying dbase (.dbf) file
22    // For this simple example we will only have a single field
23    // "Name", with 55 chars max
24    let table_builder =
25        TableWriterBuilder::new().add_character_field("Name".try_into().unwrap(), 55);
26
27    {
28        let mut writer = Writer::from_path(FILE_NAME, table_builder)
29            .expect("Failed to create the shapefile writer");
30
31        let mut first_record = dbase::Record::default();
32        first_record.insert("Name".to_string(), "Square".to_string().into());
33        writer
34            .write_shape_and_record(&square, &first_record)
35            .expect("Failed to write first record");
36
37        let mut second_record = dbase::Record::default();
38        second_record.insert("Name".to_string(), "Big Square".to_string().into());
39        writer
40            .write_shape_and_record(&bigger_square, &second_record)
41            .expect("Failed to write second record");
42    }
43
44    println!("File created, you can use `cargo run --example print-content {FILE_NAME}`");
45}
46
47fn example_2() {
48    dbase_record!(
49        #[derive(Debug)]
50        struct UserRecord {
51            first_name: String,
52            last_name: String,
53        }
54    );
55
56    const FILE_NAME: &str = "hello_shape_2.shp";
57
58    let square = Polyline::new(vec![
59        Point::new(0.0, 0.0),
60        Point::new(0.0, 1.0),
61        Point::new(1.0, 1.0),
62        Point::new(1.0, 0.0),
63    ]);
64
65    let bigger_square = Polyline::new(vec![
66        Point::new(0.0, 0.0),
67        Point::new(0.0, 10.0),
68        Point::new(10.0, 10.0),
69        Point::new(10.0, 0.0),
70    ]);
71
72    // Create the builder for the accompanying dbase (.dbf) file
73    let table_builder = TableWriterBuilder::new()
74        .add_character_field("FirstName".try_into().unwrap(), 55)
75        .add_character_field("LastName".try_into().unwrap(), 55);
76
77    {
78        let mut writer = Writer::from_path(FILE_NAME, table_builder)
79            .expect("Failed to create the shapefile writer");
80
81        let first_record = UserRecord {
82            first_name: "Yoshi".to_string(),
83            last_name: "Green".to_string(),
84        };
85
86        writer
87            .write_shape_and_record(&square, &first_record)
88            .expect("Failed to write first record");
89
90        let second_record = UserRecord {
91            first_name: "Yoshi".to_string(),
92            last_name: "Red".to_string(),
93        };
94        writer
95            .write_shape_and_record(&bigger_square, &second_record)
96            .expect("Failed to write second record");
97    }
98
99    println!("File created, you can use `cargo run --example print-content {FILE_NAME}`");
100}
101
102fn main() {
103    example_1();
104    example_2();
105}
create/create.rs

create/
create.rs
