From 46db2184928517cba6677c970451f71322568792 Mon Sep 17 00:00:00 2001
From: Thomas Fuhrmann <thomas.fuhrmann@geosphere.at>
Date: Fri, 14 Mar 2025 13:34:16 +0100
Subject: [PATCH] Work on bore profiling

---
 app/components/Form.tsx                |  34 +-
 app/three/CustomMapHeightNodeShader.ts |  31 +-
 app/three/SceneView.ts                 | 167 +++++-
 app/three/config.ts                    |   2 +
 app/three/utils/build-scene.ts         |  11 +-
 app/three/utils/create-borehole-svg.ts |  60 +++
 package-lock.json                      | 681 +++++++++++++++++++++++++
 package.json                           |   2 +
 8 files changed, 940 insertions(+), 48 deletions(-)
 create mode 100644 app/three/utils/create-borehole-svg.ts

diff --git a/app/components/Form.tsx b/app/components/Form.tsx
index d6b4c7d..b8a007c 100644
--- a/app/components/Form.tsx
+++ b/app/components/Form.tsx
@@ -1,13 +1,13 @@
 "use client";
 
-import { ReactNode, useContext, useRef, useState } from "react";
+import { ChangeEvent, ReactNode, useContext, useRef, useState } from "react";
 
 import {
   SceneViewContext,
   SceneViewContextType,
 } from "../providers/scene-view-provider";
 import { Mesh, MeshStandardMaterial } from "three";
-import { scheduler } from "timers/promises";
+import { CustomEvent } from "../three/SceneView";
 
 function Toggle({
   title,
@@ -15,7 +15,7 @@ function Toggle({
   defaultChecked,
 }: {
   title: string;
-  onChange: () => void;
+  onChange: (e: any) => void;
   defaultChecked?: boolean;
 }) {
   return (
@@ -44,6 +44,7 @@ function Accordion({
 }) {
   const [expanded, setExpanded] = useState<boolean>(true);
   const accordionBodyRef = useRef<HTMLDivElement>(null);
+
   function handleClick() {
     if (!accordionBodyRef.current) return;
 
@@ -56,7 +57,7 @@ function Accordion({
       <h2 id="accordion-collapse-heading-1">
         <button
           type="button"
-          className="flex items-center justify-between w-full p-5 font-medium rtl:text-right text-gray-500 border border-b-0 border-gray-200 rounded-t-xl focus:ring-4 focus:ring-gray-200 dark:focus:ring-gray-800 dark:border-gray-700 dark:text-gray-400 hover:bg-gray-100 dark:hover:bg-gray-800 gap-3 hover:cursor-pointer"
+          className="flex items-center justify-between w-full p-5 font-medium rtl:text-right text-gray-500 border border-b-0 border-gray-200 rounded-t focus:ring-4 focus:ring-gray-200 dark:focus:ring-gray-800 dark:border-gray-700 dark:text-gray-400 hover:bg-gray-100 dark:hover:bg-gray-800 gap-3 hover:cursor-pointer"
           data-accordion-target="#accordion-collapse-body-1"
           aria-expanded={expanded ? "true" : "false"}
           aria-controls="accordion-collapse-body-1"
@@ -95,6 +96,7 @@ function Accordion({
 }
 
 export function Form() {
+  const svgContainerRef = useRef<HTMLDivElement>(null);
   const { sceneView } = useContext(SceneViewContext) as SceneViewContextType;
 
   function handleChange() {
@@ -127,10 +129,33 @@ export function Form() {
     sceneView.toggleTopography();
   }
 
+  function handleDrilling(e: ChangeEvent) {
+    if (!sceneView) return;
+
+    if ((e.target as HTMLInputElement).checked) {
+      sceneView.enableRaycaster();
+      sceneView.addEventListener("svg-created", handleSVGCreated);
+    } else {
+      sceneView.disableRaycaster();
+      sceneView.removeEventListener("svg-created", handleSVGCreated);
+    }
+  }
+
+  function handleSVGCreated(e: CustomEvent) {
+    if (!svgContainerRef.current || !e.detail || !e.detail.element) return;
+
+    while (svgContainerRef.current.children.length > 0) {
+      const c = svgContainerRef.current.children[0];
+      svgContainerRef.current.removeChild(c);
+    }
+    svgContainerRef.current.appendChild(e.detail.element);
+  }
+
   return (
     <div className="w-full flex flex-col gap-2 overflow-y-auto">
       <div className="w-full flex flex-col gap-3 p-4 border border-gray-200 rounded shadow">
         <Toggle title="Slicing Box" onChange={handleChange} />
+        <Toggle title="Drilling Profiler" onChange={handleDrilling} />
         <Toggle title="Coordinate Grid" onChange={handleChangeCG} />
         <Toggle title="Wireframe" onChange={handleChangeWireframe} />
         <Toggle
@@ -178,6 +203,7 @@ export function Form() {
             </div>
           }
         </Accordion>
+        <div ref={svgContainerRef}> </div>
       </div>
     </div>
   );
diff --git a/app/three/CustomMapHeightNodeShader.ts b/app/three/CustomMapHeightNodeShader.ts
index 47abcb8..81bc2f5 100644
--- a/app/three/CustomMapHeightNodeShader.ts
+++ b/app/three/CustomMapHeightNodeShader.ts
@@ -73,8 +73,8 @@ export class CustomMapHeightNodeShader extends MapHeightNode {
   );
 
   public constructor(
-    parentNode: MapHeightNode | undefined | null,
-    mapView: MapView | undefined | null,
+    parentNode: MapHeightNode | undefined,
+    mapView: MapView,
     location: number = QuadTreePosition.root,
     level: number = 0,
     x: number = 0,
@@ -87,14 +87,6 @@ export class CustomMapHeightNodeShader extends MapHeightNode {
       })
     );
 
-    if (parentNode === null) {
-      parentNode = undefined;
-    }
-
-    if (mapView === null) {
-      mapView = undefined;
-    }
-
     super(
       parentNode,
       mapView,
@@ -173,10 +165,9 @@ export class CustomMapHeightNodeShader extends MapHeightNode {
     ) {
       console.warn("Geo-Three: Loading tile outside of provider range: ", this);
 
-      // @ts-ignore
-      this.material.map = MapHeightNodeShader.defaultTexture;
-      // @ts-ignore
-      this.material.needsUpdate = true;
+      (this.material as MeshPhongMaterial).map =
+        CustomMapHeightNodeShader.defaultTexture;
+      (this.material as MeshPhongMaterial).needsUpdate = true;
       return;
     }
 
@@ -191,16 +182,16 @@ export class CustomMapHeightNodeShader extends MapHeightNode {
         return;
       }
 
-      const texture = new Texture(image as any);
+      const texture = new Texture(image as HTMLImageElement);
       texture.generateMipmaps = false;
       texture.format = RGBAFormat;
       texture.magFilter = NearestFilter;
       texture.minFilter = NearestFilter;
       texture.needsUpdate = true;
 
-      // @ts-ignore
-      this.material.userData.heightMap.value = texture;
+      (this.material as Material).userData.heightMap.value = texture;
     } catch (e) {
+      console.warn("Could not fetch tile: ", e);
       if (this.disposed) {
         return;
       }
@@ -208,13 +199,11 @@ export class CustomMapHeightNodeShader extends MapHeightNode {
       console.warn("Geo-Three: Failed to load height data: ", this);
 
       // Water level texture (assume that missing texture will be water level)
-      // @ts-ignore
-      this.material.userData.heightMap.value =
+      (this.material as Material).userData.heightMap.value =
         CustomMapHeightNodeShader.defaultHeightTexture;
     }
 
-    // @ts-ignore
-    this.material.needsUpdate = true;
+    (this.material as Material).needsUpdate = true;
 
     this.heightLoaded = true;
   }
diff --git a/app/three/SceneView.ts b/app/three/SceneView.ts
index c438baf..f24f401 100644
--- a/app/three/SceneView.ts
+++ b/app/three/SceneView.ts
@@ -1,38 +1,72 @@
-import { Group, Material, Mesh, MeshStandardMaterial, Scene } from "three";
+import {
+  Camera,
+  Group,
+  Mesh,
+  MeshBasicMaterial,
+  MeshStandardMaterial,
+  Plane,
+  Raycaster,
+  Scene,
+  SphereGeometry,
+  Vector2,
+  Vector3,
+} from "three";
 import { buildMeshes } from "./utils/build-meshes";
 import { Extent, buildScene } from "./utils/build-scene";
-import { getCenter3D, getMetadata, transform } from "./utils/utils";
-import { MODEL_ID, SERVICE_URL } from "./config";
+import { getMetadata, transform } from "./utils/utils";
+import { MAPTILER_API_KEY, MODEL_ID, SERVICE_URL } from "./config";
 import {
   Orientation,
   buildClippingplanes,
 } from "./utils/build-clipping-planes";
 import { buildCoordinateGrid } from "./utils/build-coordinate-grid";
 import { DragControls } from "three/examples/jsm/Addons.js";
-import {
-  DebugProvider,
-  HeightDebugProvider,
-  MapHeightNode,
-  MapTilerProvider,
-  MapView,
-  OpenStreetMapsProvider,
-} from "geo-three";
+import { MapTilerProvider, MapView, OpenStreetMapsProvider } from "geo-three";
 import { CustomMapHeightNodeShader } from "./CustomMapHeightNodeShader";
+import { createSVG } from "./utils/create-borehole-svg";
 
-export class SceneView {
+export type CustomEvent = CustomEventInit<{
+  element: SVGSVGElement | null;
+}>;
+
+export class SceneView extends EventTarget {
   private _scene: Scene;
   private _dragControls: DragControls;
   private _model: Group;
+  private _camera: Camera;
+  private _container: HTMLElement;
+  private _raycaster: Raycaster;
+  private _extent: Extent;
+  private _startX: number = 0;
+  private _startY: number = 0;
+  private _isDragging: boolean = false;
+  private static _DRAG_THRESHOLD = 5;
 
-  constructor(scene: Scene, model: Group, controls: DragControls) {
+  constructor(
+    scene: Scene,
+    model: Group,
+    controls: DragControls,
+    camera: Camera,
+    container: HTMLElement,
+    extent: Extent
+  ) {
+    super();
     this._scene = scene;
     this._dragControls = controls;
     this._model = model;
+    this._camera = camera;
+    this._container = container;
+    this._raycaster = new Raycaster();
+    this._extent = extent;
   }
 
   static async create(container: HTMLElement, modelId: string) {
-    const { scene, model, dragControls } = await init(container, modelId);
-    return new SceneView(scene, model, dragControls);
+    const { scene, model, dragControls, camera, extent } = await init(
+      container,
+      modelId
+    );
+
+    return new SceneView(scene, model, dragControls, camera, container, extent);
   }
 
   get scene() {
@@ -118,9 +152,108 @@ export class SceneView {
       topo.visible = !topo.visible;
     }
   }
+
+  private _onPointerClick(event: MouseEvent) {
+    // Convert screen position to NDC (-1 to +1 range)
+    const pointer = new Vector2();
+    const clientRectangle = this._container.getBoundingClientRect();
+    pointer.x = (event.clientX / clientRectangle.width) * 2 - 1;
+    pointer.y = -(event.clientY / clientRectangle.height) * 2 + 1;
+
+    // Raycast from the camera
+    this._raycaster.setFromCamera(pointer, this._camera);
+
+    // Intersect with plane
+    const plane = new Plane(new Vector3(0, 0, 1), 0);
+    const worldPoint = new Vector3();
+    this._raycaster.ray.intersectPlane(plane, worldPoint);
+
+    // Cast a vertical ray from above
+    this._castVerticalRay(worldPoint);
+  }
+
+  private _castVerticalRay(targetPosition: Vector3) {
+    const z = this._extent.zmax + 10000;
+    const startPoint = new Vector3(targetPosition.x, targetPosition.y, z);
+
+    const direction = new Vector3(0, 0, -1);
+    this._raycaster.set(startPoint, direction);
+
+    // Check intersections with objects in the scene
+    const meshes = this._model.children.filter((c) => c.name !== "Topography");
+    const intersects = this._raycaster.intersectObjects(meshes, true);
+
+    this._addPoint(targetPosition);
+    if (intersects.length > 0) {
+      const data = [];
+      for (let i = 0; i < intersects.length; i += 2) {
+        const depthStart = intersects[i].point.z;
+        const depthEnd = intersects[i + 1].point.z;
+        let name = intersects[i].object.name;
+        let color = `#${(
+          (intersects[i].object as Mesh).material as MeshStandardMaterial
+        ).color.getHexString()}`;
+
+        data.push({ depthStart, depthEnd, name, color });
+      }
+
+      const element = createSVG(data, 400, 800, this._extent);
+      const event = new CustomEvent("svg-created", {
+        detail: { element },
+      });
+      this.dispatchEvent(event);
+    }
+  }
+
+  private _pointerDownListener = (event: PointerEvent) => {
+    this._isDragging = false;
+    this._startX = event.clientX;
+    this._startY = event.clientY;
+  };
+
+  private _pointerMoveListener = (event: PointerEvent) => {
+    if (
+      Math.abs(event.clientX - this._startX) > SceneView._DRAG_THRESHOLD ||
+      Math.abs(event.clientY - this._startY) > SceneView._DRAG_THRESHOLD
+    ) {
+      this._isDragging = true;
+    }
+  };
+
+  private _pointerUpListener = (event: PointerEvent) => {
+    if (!this._isDragging) {
+      this._onPointerClick(event);
+    }
+  };
+
+  enableRaycaster() {
+    this._container.addEventListener("pointerdown", this._pointerDownListener);
+    this._container.addEventListener("pointermove", this._pointerMoveListener);
+    this._container.addEventListener("pointerup", this._pointerUpListener);
+  }
+
+  disableRaycaster() {
+    this._container.removeEventListener(
+      "pointerdown",
+      this._pointerDownListener
+    );
+    this._container.removeEventListener(
+      "pointermove",
+      this._pointerMoveListener
+    );
+    this._container.removeEventListener("pointerup", this._pointerUpListener);
+  }
+
+  private _addPoint(point: Vector3) {
+    const geometry = new SphereGeometry(2500, 16, 16); // Small sphere
+    const material = new MeshBasicMaterial({ color: 0xff0000 }); // Red color
+    const sphere = new Mesh(geometry, material);
+
+    sphere.position.set(point.x, point.y, point.z);
+    this._scene.add(sphere);
+  }
 }
 
-const MAPTILER_API_KEY = "1JkD1W8u5UM5Tjd8r3Wl ";
 async function init(container: HTMLElement, modelId = MODEL_ID) {
   const modelData = await getMetadata(SERVICE_URL + modelId);
   const mappedFeatures = modelData.mappedfeatures;
@@ -188,5 +321,5 @@ async function init(container: HTMLElement, modelId = MODEL_ID) {
   map.name = "topography";
   scene.add(map);
 
-  return { scene, model, dragControls };
+  return { scene, model, dragControls, camera, extent };
 }
diff --git a/app/three/config.ts b/app/three/config.ts
index 33f10be..d942486 100644
--- a/app/three/config.ts
+++ b/app/three/config.ts
@@ -5,3 +5,5 @@ export const SERVICE_URL =
 export const VERTICES_URL = "https://geusegdi01.geus.dk/geom3d/data/nodes/";
 export const TRIANGLE_INDICES_URL =
   "https://geusegdi01.geus.dk/geom3d/data/triangles/";
+
+export const MAPTILER_API_KEY = "1JkD1W8u5UM5Tjd8r3Wl ";
diff --git a/app/three/utils/build-scene.ts b/app/three/utils/build-scene.ts
index 4db9e21..a77c088 100644
--- a/app/three/utils/build-scene.ts
+++ b/app/three/utils/build-scene.ts
@@ -6,8 +6,6 @@ import {
   DirectionalLight,
   Group,
   Object3D,
-  Vector3,
-  HemisphereLight,
 } from "three";
 
 import { OrbitControls } from "three/addons/controls/OrbitControls.js";
@@ -99,27 +97,28 @@ function animate() {
 function buildDefaultLights(scene: Scene, extent: Extent) {
   const center = getCenter3D(extent);
 
+  // Directional light position
   const lightPosition = {
     x: center.x,
-    y: center.y - 200000,
+    y: center.y - 15000,
     z: extent.zmax + 100000,
   };
 
   const lights = [];
 
   // Ambient light
-  const ambient = new AmbientLight(0xffffff, 2);
+  const ambient = new AmbientLight(0xffffff, 1);
   lights.push(ambient);
 
   // Directional lights
-  const directionalLight = new DirectionalLight(0xffffff, 2);
+  const directionalLight = new DirectionalLight(0xffffff, 1.5);
   directionalLight.position.set(
     lightPosition.x,
     lightPosition.y,
     lightPosition.z
   );
 
-  // Create a target for the ligth
+  // Create a target for the directional light
   const target = new Object3D();
   target.position.set(center.x, center.y, center.z);
   scene.add(target);
diff --git a/app/three/utils/create-borehole-svg.ts b/app/three/utils/create-borehole-svg.ts
new file mode 100644
index 0000000..7d27cb1
--- /dev/null
+++ b/app/three/utils/create-borehole-svg.ts
@@ -0,0 +1,60 @@
+import * as d3 from "d3";
+import { Extent } from "./build-scene";
+
+// SVG dimensions
+const margin = { top: 20, right: 250, bottom: 20, left: 20 };
+
+interface Data {
+  depthStart: number;
+  depthEnd: number;
+  name: string;
+  color: string;
+}
+
+export function createSVG(
+  data: Data[],
+  width: number = 400,
+  height: number = 800,
+  extent: Extent
+) {
+  console.log(data);
+  const svg = d3
+    .create("svg")
+    .attr("width", width)
+    .attr("height", height)
+    .attr("viewBox", [0, 0, width, height])
+    .attr("style", "max-width: 100%; height: auto;");
+
+  // Scales: Invert Y-axis so depth increases downward
+  const zmax = d3.max(data, (d) => d.depthStart) ?? extent.zmax;
+  const zmin = d3.max(data, (d) => d.depthEnd) ?? extent.zmin;
+  const zScale = d3
+    .scaleLinear()
+    .domain([zmax, zmin])
+    .range([margin.top, height - margin.bottom]);
+
+  // Draw bars (formations)
+  svg
+    .append("g")
+    .selectAll()
+    .data(data)
+    .join("rect")
+    .attr("x", margin.left)
+    .attr("y", (d) => zScale(d.depthStart))
+    .attr("height", (d) => zScale(d.depthEnd) - zScale(d.depthStart))
+    .attr("width", width - margin.left - margin.right)
+    .attr("fill", (d) => d.color);
+
+  // Add labels (formation names)
+  svg
+    .selectAll(".label")
+    .data(data)
+    .enter()
+    .append("text")
+    .attr("class", "label")
+    .attr("x", width - margin.right + 5) // Place text slightly outside the bar
+    .attr("y", (d) => (zScale(d.depthStart) + zScale(d.depthEnd)) / 2) // Center in the bar
+    .text((d) => d.name);
+
+  return svg.node();
+}
diff --git a/package-lock.json b/package-lock.json
index 4554206..7704f87 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,6 +8,7 @@
       "name": "3d-viewer",
       "version": "0.1.0",
       "dependencies": {
+        "d3": "^7.9.0",
         "earcut": "^3.0.1",
         "geo-three": "^0.1.15",
         "next": "15.2.1",
@@ -19,6 +20,7 @@
       "devDependencies": {
         "@eslint/eslintrc": "^3",
         "@tailwindcss/postcss": "^4.0.11",
+        "@types/d3": "^7.4.3",
         "@types/earcut": "^3.0.0",
         "@types/node": "^22",
         "@types/proj4": "^2.5.6",
@@ -1016,6 +1018,259 @@
       "integrity": "sha512-vJmvvwFxYuGnF2axRtPYocag6Clbb5YS7kLL+SO/TeVFzHqDIWrNKYtcsPMibjDx9O+bu+psAy9NKfWklassUA==",
       "dev": true
     },
+    "node_modules/@types/d3": {
+      "version": "7.4.3",
+      "resolved": "https://registry.npmjs.org/@types/d3/-/d3-7.4.3.tgz",
+      "integrity": "sha512-lZXZ9ckh5R8uiFVt8ogUNf+pIrK4EsWrx2Np75WvF/eTpJ0FMHNhjXk8CKEx/+gpHbNQyJWehbFaTvqmHWB3ww==",
+      "dev": true,
+      "dependencies": {
+        "@types/d3-array": "*",
+        "@types/d3-axis": "*",
+        "@types/d3-brush": "*",
+        "@types/d3-chord": "*",
+        "@types/d3-color": "*",
+        "@types/d3-contour": "*",
+        "@types/d3-delaunay": "*",
+        "@types/d3-dispatch": "*",
+        "@types/d3-drag": "*",
+        "@types/d3-dsv": "*",
+        "@types/d3-ease": "*",
+        "@types/d3-fetch": "*",
+        "@types/d3-force": "*",
+        "@types/d3-format": "*",
+        "@types/d3-geo": "*",
+        "@types/d3-hierarchy": "*",
+        "@types/d3-interpolate": "*",
+        "@types/d3-path": "*",
+        "@types/d3-polygon": "*",
+        "@types/d3-quadtree": "*",
+        "@types/d3-random": "*",
+        "@types/d3-scale": "*",
+        "@types/d3-scale-chromatic": "*",
+        "@types/d3-selection": "*",
+        "@types/d3-shape": "*",
+        "@types/d3-time": "*",
+        "@types/d3-time-format": "*",
+        "@types/d3-timer": "*",
+        "@types/d3-transition": "*",
+        "@types/d3-zoom": "*"
+      }
+    },
+    "node_modules/@types/d3-array": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/@types/d3-array/-/d3-array-3.2.1.tgz",
+      "integrity": "sha512-Y2Jn2idRrLzUfAKV2LyRImR+y4oa2AntrgID95SHJxuMUrkNXmanDSed71sRNZysveJVt1hLLemQZIady0FpEg==",
+      "dev": true
+    },
+    "node_modules/@types/d3-axis": {
+      "version": "3.0.6",
+      "resolved": "https://registry.npmjs.org/@types/d3-axis/-/d3-axis-3.0.6.tgz",
+      "integrity": "sha512-pYeijfZuBd87T0hGn0FO1vQ/cgLk6E1ALJjfkC0oJ8cbwkZl3TpgS8bVBLZN+2jjGgg38epgxb2zmoGtSfvgMw==",
+      "dev": true,
+      "dependencies": {
+        "@types/d3-selection": "*"
+      }
+    },
+    "node_modules/@types/d3-brush": {
+      "version": "3.0.6",
+      "resolved": "https://registry.npmjs.org/@types/d3-brush/-/d3-brush-3.0.6.tgz",
+      "integrity": "sha512-nH60IZNNxEcrh6L1ZSMNA28rj27ut/2ZmI3r96Zd+1jrZD++zD3LsMIjWlvg4AYrHn/Pqz4CF3veCxGjtbqt7A==",
+      "dev": true,
+      "dependencies": {
+        "@types/d3-selection": "*"
+      }
+    },
+    "node_modules/@types/d3-chord": {
+      "version": "3.0.6",
+      "resolved": "https://registry.npmjs.org/@types/d3-chord/-/d3-chord-3.0.6.tgz",
+      "integrity": "sha512-LFYWWd8nwfwEmTZG9PfQxd17HbNPksHBiJHaKuY1XeqscXacsS2tyoo6OdRsjf+NQYeB6XrNL3a25E3gH69lcg==",
+      "dev": true
+    },
+    "node_modules/@types/d3-color": {
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/@types/d3-color/-/d3-color-3.1.3.tgz",
+      "integrity": "sha512-iO90scth9WAbmgv7ogoq57O9YpKmFBbmoEoCHDB2xMBY0+/KVrqAaCDyCE16dUspeOvIxFFRI+0sEtqDqy2b4A==",
+      "dev": true
+    },
+    "node_modules/@types/d3-contour": {
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+        "d3-dispatch": "1 - 3",
+        "d3-ease": "1 - 3",
+        "d3-interpolate": "1 - 3",
+        "d3-timer": "1 - 3"
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+      "engines": {
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+      "peerDependencies": {
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+    "node_modules/d3-zoom": {
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+        "d3-drag": "2 - 3",
+        "d3-interpolate": "1 - 3",
+        "d3-selection": "2 - 3",
+        "d3-transition": "2 - 3"
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     "node_modules/damerau-levenshtein": {
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@@ -1909,6 +2548,14 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/delaunator": {
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+      "resolved": "https://registry.npmjs.org/delaunator/-/delaunator-5.0.1.tgz",
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       "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-2.0.3.tgz",
@@ -2947,6 +3594,17 @@
         "node": ">= 0.4"
       }
     },
+    "node_modules/iconv-lite": {
+      "version": "0.6.3",
+      "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.6.3.tgz",
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+        "safer-buffer": ">= 2.1.2 < 3.0.0"
+      },
+      "engines": {
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       "version": "5.3.2",
       "resolved": "https://registry.npmjs.org/ignore/-/ignore-5.3.2.tgz",
@@ -2995,6 +3653,14 @@
         "node": ">= 0.4"
       }
     },
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+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/internmap/-/internmap-2.0.3.tgz",
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+      "engines": {
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       "version": "3.0.5",
       "resolved": "https://registry.npmjs.org/is-array-buffer/-/is-array-buffer-3.0.5.tgz",
@@ -4381,6 +5047,11 @@
         "node": ">=0.10.0"
       }
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+      "resolved": "https://registry.npmjs.org/robust-predicates/-/robust-predicates-3.0.2.tgz",
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@@ -4404,6 +5075,11 @@
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+    },
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@@ -4456,6 +5132,11 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/safer-buffer": {
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+      "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
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diff --git a/package.json b/package.json
index 9df59c5..7b7bd19 100644
--- a/package.json
+++ b/package.json
@@ -9,6 +9,7 @@
     "lint": "next lint"
   },
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     "earcut": "^3.0.1",
     "geo-three": "^0.1.15",
     "next": "15.2.1",
@@ -20,6 +21,7 @@
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     "@tailwindcss/postcss": "^4.0.11",
+    "@types/d3": "^7.4.3",
     "@types/earcut": "^3.0.0",
     "@types/node": "^22",
     "@types/proj4": "^2.5.6",