draw shp file

Cargo.lock

@@ -23,6 +23,15 @@ version = "1.0.70"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7de8ce5e0f9f8d88245311066a578d72b7af3e7088f32783804676302df237e4"
 
+[[package]]
+name = "approx"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cab112f0a86d568ea0e627cc1d6be74a1e9cd55214684db5561995f6dad897c6"
+dependencies = [
+ "num-traits",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -111,7 +120,7 @@ dependencies = [
  "js-sys",
  "num-integer",
  "num-traits",
- "time",
+ "time 0.1.45",
  "wasm-bindgen",
  "winapi",
 ]
@@ -126,6 +135,10 @@ dependencies = [
  "gtk4",
  "plotters",
  "plotters-backend",
+ "rand",
+ "rand_distr",
+ "rand_xorshift",
+ "shapefile",
 ]
 
 [[package]]
@@ -265,6 +278,16 @@ dependencies = [
  "syn 2.0.15",
 ]
 
+[[package]]
+name = "dbase"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3c1a2a9e9238982f599f25b54ec2c7cf1518cc97084cf0c8da475f8a3727fe7"
+dependencies = [
+ "byteorder",
+ "time 0.3.20",
+]
+
 [[package]]
 name = "dirs-next"
 version = "2.0.0"
@@ -526,6 +549,17 @@ dependencies = [
  "system-deps",
 ]
 
+[[package]]
+name = "geo-types"
+version = "0.7.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a5f0b3068e1537a4b861ec3734f4aa9c317d537cf0845bf6fb6221973499d26c"
+dependencies = [
+ "approx",
+ "num-traits",
+ "serde",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.2.9"
@@ -854,6 +888,12 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "libm"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "348108ab3fba42ec82ff6e9564fc4ca0247bdccdc68dd8af9764bbc79c3c8ffb"
+
 [[package]]
 name = "link-cplusplus"
 version = "1.0.8"
@@ -934,6 +974,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
 dependencies = [
  "autocfg",
+ "libm",
 ]
 
 [[package]]
@@ -1074,6 +1115,12 @@ dependencies = [
  "miniz_oxide 0.7.1",
 ]
 
+[[package]]
+name = "ppv-lite86"
+version = "0.2.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
+
 [[package]]
 name = "proc-macro-crate"
 version = "1.3.1"
@@ -1126,6 +1173,55 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "rand"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+dependencies = [
+ "libc",
+ "rand_chacha",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+dependencies = [
+ "ppv-lite86",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+dependencies = [
+ "getrandom",
+]
+
+[[package]]
+name = "rand_distr"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32cb0b9bc82b0a0876c2dd994a7e7a2683d3e7390ca40e6886785ef0c7e3ee31"
+dependencies = [
+ "num-traits",
+ "rand",
+]
+
+[[package]]
+name = "rand_xorshift"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d25bf25ec5ae4a3f1b92f929810509a2f53d7dca2f50b794ff57e3face536c8f"
+dependencies = [
+ "rand_core",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.2.16"
@@ -1208,6 +1304,20 @@ name = "serde"
 version = "1.0.160"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bb2f3770c8bce3bcda7e149193a069a0f4365bda1fa5cd88e03bca26afc1216c"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.160"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "291a097c63d8497e00160b166a967a4a79c64f3facdd01cbd7502231688d77df"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.15",
+]
 
 [[package]]
 name = "serde_spanned"
@@ -1218,6 +1328,17 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "shapefile"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f77dc980d3b70a602ad40a20e9a5137800d5271ce25ec9e2a2826ca24a4be18"
+dependencies = [
+ "byteorder",
+ "dbase",
+ "geo-types",
+]
+
 [[package]]
 name = "simd-adler32"
 version = "0.3.5"
@@ -1320,6 +1441,22 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "time"
+version = "0.3.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd0cbfecb4d19b5ea75bb31ad904eb5b9fa13f21079c3b92017ebdf4999a5890"
+dependencies = [
+ "serde",
+ "time-core",
+]
+
+[[package]]
+name = "time-core"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2e153e1f1acaef8acc537e68b44906d2db6436e2b35ac2c6b42640fff91f00fd"
+
 [[package]]
 name = "toml"
 version = "0.7.3"

Cargo.toml

@@ -9,10 +9,15 @@ edition = "2021"
 cairo-rs = { version = "0.17.0", features = ["xlib"] }
 glib = "0.17.9"
 gtk = { version = "0.6.6", package = "gtk4", features = ["v4_8"] }
+shapefile = { version = "0.4", features = ["geo-types"] }
+
 # gtk = "0.15.5"
 
 plotters = "0.3.4"
 plotters-backend = "0.3.4"
+rand = "0.8.5"
+rand_distr = "0.4.3"
+rand_xorshift = "0.3.0"
 
 [build-dependencies]
 glib-build-tools = "0.17.0"

src/main.rs

@@ -1,12 +1,17 @@
 use backend::CairoBackend;
+use plotters::prelude::*;
+use rand_distr::{Distribution, Normal};
+use rand_xorshift;
+use shapefile;
+
 use gtk::gdk::Display;
 use gtk::{
     gio, glib, style_context_add_provider_for_display, Application, ApplicationWindow, CssProvider,
     StyleContext,
 };
 use gtk::{prelude::*, DrawingArea};
-use plotters::prelude::{ChartBuilder, IntoDrawingArea};
+// use plotters::prelude::{ChartBuilder, IntoDrawingArea, Rectangle};
-use plotters::style::{BLACK, WHITE};
+use plotters::style::{HSLColor, BLACK, WHITE};
 // use plotters::prelude::DrawingArea;
 use window::Window;
 mod backend;
@@ -43,13 +48,38 @@ fn build_ui(app: &Application) {
 
         root.fill(&WHITE);
 
+        let mut polygons = shapefile::read_as::<_, shapefile::Polygon, shapefile::dbase::Record>(
+            "/Users/ruomu/china/省界_region.shp",
+        )
+        .unwrap();
+
+        let (polygon, polygon_record) = polygons.first().unwrap();
+
+        let x_range = polygon.bbox().x_range();
+        let y_range = polygon.bbox().y_range();
+
         let mut chart = ChartBuilder::on(&root)
-            .margin(20)
+            .set_label_area_size(LabelAreaPosition::Left, 60)
-            .build_cartesian_2d(-2.1f64..0.6f64, -1.2f64..1.2f64).unwrap();
+            .set_label_area_size(LabelAreaPosition::Bottom, 60)
+            .caption("Area Chart Demo", ("sans-serif", 40))
+            .build_cartesian_2d(x_range[0]..x_range[1], y_range[0]..y_range[1])
+            .unwrap();
 
-        chart.configure_mesh().draw().unwrap();
+        chart
+            .configure_mesh()
+            .disable_x_mesh()
+            .disable_y_mesh()
+            .draw()
+            .unwrap();
 
+        let ring = polygon.ring(0).unwrap();
 
+        chart
+            .draw_series(
+                AreaSeries::new(ring.points().iter().map(|x| (x.x, x.y)), 0.0, &RED.mix(0.2))
+                    .border_style(&RED),
+            )
+            .unwrap();
     });
 
     window.set_child(Some(&drawing_area));