fix: 统一地形高度

antvis · Jun 5, 2024 · b3c51c4 · b3c51c4
1 parent c5a1897
commit b3c51c4
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Showing 4 changed files with 6 additions and 6 deletions.
diff --git a/examples/demos/geometry/terrain.ts b/examples/demos/geometry/terrain.ts
@@ -29,8 +29,8 @@ export const terrain: TestCase = async (options) => {
     terrainTexture:
       'https://gw.alipayobjects.com/mdn/rms_23a451/afts/img/A*eYFaRYlnnOUAAAAAAAAAAAAAARQnAQ',
     rgb2height: (r, g, b) => {
-      let h = -10000.0 + (r * 255.0 * 256.0 * 256.0 + g * 255.0 * 256.0 + b * 255.0) * 0.1;
-      h = h / 20 - 127600;
+      let h = (r * 255.0 * 256.0 * 256.0 + g * 255.0 * 256.0 + b * 255.0) * 0.1;
+      h = h / 200 - 12750;
       h = Math.max(0, h);
       return h;
     },

diff --git a/packages/layers/src/geometry/models/plane.ts b/packages/layers/src/geometry/models/plane.ts
@@ -47,7 +47,7 @@ export default class PlaneModel extends BaseModel {
 
       for (let ix = 0; ix < gridX1; ix++) {
         const x = ix * segmentWidth - widthHalf;
-        positions.push(x + lng, -y + lat, 10);
+        positions.push(x + lng, -y + lat, 0);
         positions.push(ix / gridX);
         positions.push(1 - iy / gridY);
       }

diff --git a/site/examples/geometry/geometry/demo/rain.js b/site/examples/geometry/geometry/demo/rain.js
@@ -22,7 +22,7 @@ scene.on('loaded', () => {
       center: [120, 30],
       spriteCount: 120,
       spriteRadius: 10,
-      spriteTop: 300,
+      spriteTop: 400,
       spriteUpdate: 10,
       spriteScale: 0.8,
     });

diff --git a/site/examples/geometry/geometry/demo/terrain.js b/site/examples/geometry/geometry/demo/terrain.js
@@ -27,8 +27,8 @@ scene.on('loaded', () => {
     terrainTexture:
       'https://gw.alipayobjects.com/mdn/rms_23a451/afts/img/A*eYFaRYlnnOUAAAAAAAAAAAAAARQnAQ',
     rgb2height: (r, g, b) => {
-      let h = -10000.0 + (r * 255.0 * 256.0 * 256.0 + g * 255.0 * 256.0 + b * 255.0) * 0.1;
-      h = h / 20 - 127600;
+      let h = (r * 255.0 * 256.0 * 256.0 + g * 255.0 * 256.0 + b * 255.0) * 0.1;
+      h = h / 200 - 12750;
       h = Math.max(0, h);
       return h;
     },