feat: polygon 支持text

packages/core/src/services/asset/FontService.ts

@@ -12,7 +12,7 @@ import {
 } from './IFontService';
 export const DEFAULT_CHAR_SET = getDefaultCharacterSet();
 export const DEFAULT_FONT_FAMILY = 'sans-serif';
-export const DEFAULT_FONT_WEIGHT = 'normal';
+export const DEFAULT_FONT_WEIGHT = '800';
 export const DEFAULT_FONT_SIZE = 24;
 export const DEFAULT_BUFFER = 3;
 export const DEFAULT_CUTOFF = 0.25;

packages/layers/src/citybuliding/building.ts

@@ -16,16 +16,6 @@ export default class CityBuildingLayer extends BaseLayer {
       },
     };
   }
-
-  protected renderModels() {
-    this.models.forEach((model) =>
-      model.draw({
-        uniforms: this.layerModel.getUninforms(),
-      }),
-    );
-    return this;
-  }
-
   protected buildModels() {
     this.layerModel = new CityBuildModel(this);
     this.models = this.layerModel.buildModels();

packages/layers/src/core/triangulation.ts

@@ -2,6 +2,7 @@ import { IEncodeFeature } from '@antv/l7-core';
 import { aProjectFlat, lngLatToMeters } from '@antv/l7-utils';
 import earcut from 'earcut';
 import { vec3 } from 'gl-matrix';
+import { calculteCentroid } from '../utils/geo';
 import getNormals from '../utils/polylineNormal';
 import extrudePolygon, {
   extrude_PolygonNormal,
@@ -24,7 +25,7 @@ const GeometryCache: IGeometryCache = {};
  * @param feature 映射feature
  */
 export function PointFillTriangulation(feature: IEncodeFeature) {
-  const coordinates = feature.coordinates as number[];
+  const coordinates = calculteCentroid(feature.coordinates);
   return {
     vertices: [...coordinates, ...coordinates, ...coordinates, ...coordinates],
     indices: [0, 1, 2, 2, 3, 0],
@@ -46,7 +47,6 @@ export function PointExtrudeTriangulation(feature: IEncodeFeature) {
     vertices: positions,
     indices: index,
     normals,
-    // normals: Array.from(computeVertexNormals(positions, index, 3, false)),
     size: 5,
   };
 }
@@ -56,7 +56,7 @@ export function PointExtrudeTriangulation(feature: IEncodeFeature) {
  * @param feature 映射feature
  */
 export function PointImageTriangulation(feature: IEncodeFeature) {
-  const coordinates = feature.coordinates as number[];
+  const coordinates = calculteCentroid(feature.coordinates);
   return {
     vertices: [...coordinates],
     indices: [0],

packages/layers/src/plugins/UpdateModelPlugin.ts

@@ -8,10 +8,9 @@ export default class UpdateModelPlugin implements ILayerPlugin {
   public apply(layer: ILayer) {
     layer.hooks.beforeRender.tap('UpdateModelPlugin', () => {
       // 处理文本更新
-      layer.layerModel.needUpdate();
+      if (layer.layerModel) {
-      // if (layer.layerModel.needUpdate()) {
+        layer.layerModel.needUpdate();
-      //   layer.layerModelNeedUpdate = true;
+      }
-      // }
     });
   }
 }

packages/layers/src/point/models/extrude.ts

@@ -1,6 +1,7 @@
 import { AttributeType, gl, IEncodeFeature, IModel } from '@antv/l7-core';
 import BaseModel from '../../core/BaseModel';
 import { PointExtrudeTriangulation } from '../../core/triangulation';
+import { calculteCentroid } from '../../utils/geo';
 import pointExtrudeFrag from '../shaders/extrude_frag.glsl';
 import pointExtrudeVert from '../shaders/extrude_vert.glsl';
 interface IPointLayerStyleOptions {
@@ -100,7 +101,7 @@ export default class ExtrudeModel extends BaseModel {
         },
         size: 3,
         update: (feature: IEncodeFeature, featureIdx: number) => {
-          const coordinates = feature.coordinates as number[];
+          const coordinates = calculteCentroid(feature.coordinates);
           return [coordinates[0], coordinates[1], 0];
         },
       },

packages/layers/src/point/models/text.ts

@@ -12,6 +12,7 @@ import {
 import { rgb2arr } from '@antv/l7-utils';
 import BaseModel from '../../core/BaseModel';
 import CollisionIndex from '../../utils/collision-index';
+import { calculteCentroid } from '../../utils/geo';
 import {
   getGlyphQuads,
   IGlyphQuad,
@@ -33,14 +34,12 @@ interface IPointTextLayerStyleOptions {
   textAllowOverlap: boolean;
 }
 export function TextTriangulation(feature: IEncodeFeature) {
-  const coordinates = feature.coordinates as number[];
+  const centroid = feature.centroid as number[]; // 计算中心点
   const { glyphQuads } = feature;
   const vertices: number[] = [];
   const indices: number[] = [];
   const coord =
-    coordinates.length === 2
+    centroid.length === 2 ? [centroid[0], centroid[1], 0] : centroid;
-      ? [coordinates[0], coordinates[1], 0]
-      : coordinates;
   glyphQuads.forEach((quad: IGlyphQuad, index: number) => {
     vertices.push(
       ...coord,
@@ -90,8 +89,8 @@ export default class TextModel extends BaseModel {
     const {
       fontWeight = 800,
       fontFamily,
-      stroke,
+      stroke = '#fff',
-      strokeWidth,
+      strokeWidth = 0,
     } = this.layer.getLayerConfig() as IPointTextLayerStyleOptions;
     const { canvas } = this.fontService;
     return {
@@ -235,7 +234,7 @@ export default class TextModel extends BaseModel {
    */
   private initTextFont() {
     const {
-      fontWeight = 'normal',
+      fontWeight = '800',
       fontFamily,
     } = this.layer.getLayerConfig() as IPointTextLayerStyleOptions;
     const data = this.layer.getEncodedData();
@@ -268,7 +267,7 @@ export default class TextModel extends BaseModel {
     } = this.layer.getLayerConfig() as IPointTextLayerStyleOptions;
     const data = this.layer.getEncodedData();
     this.glyphInfo = data.map((feature: IEncodeFeature) => {
-      const { shape = '' } = feature;
+      const { shape = '', coordinates } = feature;
       const shaping = shapeText(
         shape.toString(),
         mapping,
@@ -281,6 +280,7 @@ export default class TextModel extends BaseModel {
       const glyphQuads = getGlyphQuads(shaping, textOffset, false);
       feature.shaping = shaping;
       feature.glyphQuads = glyphQuads;
+      feature.centroid = calculteCentroid(coordinates);
       return feature;
     });
   }
@@ -301,10 +301,10 @@ export default class TextModel extends BaseModel {
     const collisionIndex = new CollisionIndex(width, height);
     const filterData = this.glyphInfo.filter((feature: IEncodeFeature) => {
       const { shaping, id = 0 } = feature;
-      const coordinates = feature.coordinates as [number, number];
+      const centroid = feature.centroid as [number, number];
       const size = feature.size as number;
       const fontScale: number = size / 24;
-      const pixels = this.mapService.lngLatToContainer(coordinates);
+      const pixels = this.mapService.lngLatToContainer(centroid);
       const { box } = collisionIndex.placeCollisionBox({
         x1: shaping.left * fontScale - padding[0],
         x2: shaping.right * fontScale + padding[0],

packages/layers/src/polygon/index.ts

@@ -1,5 +1,6 @@
 import { IEncodeFeature } from '@antv/l7-core';
 import BaseLayer from '../core/BaseLayer';
+import { PointType } from '../point/models/';
 import PolygonModels, { PolygonModelType } from './models/';
 
 interface IPolygonLayerStyleOptions {
@@ -31,6 +32,42 @@ export default class PolygonLayer extends BaseLayer<IPolygonLayerStyleOptions> {
       'shape',
     );
     const shape = shapeAttribute?.scale?.field as PolygonModelType;
-    return shape || 'fill';
+    if (shape === 'fill') {
+      return 'fill';
+    } else if (shape === 'extrude') {
+      return 'extrude';
+    } else if (shape === 'line') {
+      return 'line';
+    } else {
+      return this.getPointModelType();
+    }
+  }
+  protected getPointModelType(): PolygonModelType {
+    // pointlayer
+    //  2D、 3d、 shape、image、text、normal、
+    const layerData = this.getEncodedData();
+    const { shape2d, shape3d } = this.getLayerConfig();
+    const iconMap = this.iconService.getIconMap();
+    const item = layerData.find((fe: IEncodeFeature) => {
+      return fe.hasOwnProperty('shape');
+    });
+    if (!item) {
+      return 'fill';
+    } else {
+      const shape = item.shape;
+      if (shape === 'dot') {
+        return 'point_normal';
+      }
+      if (shape2d?.indexOf(shape as string) !== -1) {
+        return 'point_fill';
+      }
+      if (shape3d?.indexOf(shape as string) !== -1) {
+        return 'point_extrude';
+      }
+      if (iconMap.hasOwnProperty(shape as string)) {
+        return 'point_image';
+      }
+      return 'text';
+    }
   }
 }

packages/layers/src/polygon/models/index.ts

@@ -1,13 +1,32 @@
 import LineModel from '../../line/models/line';
+import PointExtrudeModel from '../../point/models/extrude';
+import PointFillModel from '../../point/models/fill';
+import IMageModel from '../../point/models/image';
+import NormalModel from '../../point/models/normal';
+import TextModel from '../../point/models/text';
 import ExtrudeModel from './extrude';
 import FillModel from './fill';
 
-export type PolygonModelType = 'fill' | 'extrude' | 'line';
+export type PolygonModelType =
+  | 'fill'
+  | 'extrude'
+  | 'line'
+  | 'point_fill'
+  | 'point_image'
+  | 'point_normal'
+  | 'point_extrude'
+  | 'text';
 
 const PolygonModels: { [key in PolygonModelType]: any } = {
   fill: FillModel,
   line: LineModel,
   extrude: ExtrudeModel,
-};
+  text: TextModel,
+  point_fill: PointFillModel,
+  point_image: IMageModel,
+  point_normal: NormalModel,
+  point_extrude: PointExtrudeModel,
 
+  // point_fill: PointModels.fill,
+};
 export default PolygonModels;

packages/layers/src/utils/geo.ts

@@ -0,0 +1,27 @@
+type Position = number[];
+import { isNumber } from 'lodash';
+export function calculteCentroid(
+  coord: Position | Position[] | Position[][],
+): Position {
+  // let pos = coord as Position;
+  if (isNumber(coord[0])) {
+    return coord as Position;
+  } else if (isNumber(coord[0][0])) {
+    throw new Error('当前数据不支持标注');
+  } else if (isNumber(coord[0][0][0])) {
+    const coords = coord as Position[][];
+    let xSum = 0;
+    let ySum = 0;
+    let len = 0;
+    coords.forEach((coor: Position[]) => {
+      coor.forEach((pos) => {
+        xSum += pos[0];
+        ySum += pos[1];
+        len++;
+      });
+    });
+    return [xSum / len, ySum / len, 0];
+  } else {
+    throw new Error('当前数据不支持标注');
+  }
+}

packages/layers/src/utils/symbol-layout.ts

@@ -237,7 +237,7 @@ export function getGlyphQuads(
   textOffset: [number, number] = [0, 0],
   alongLine: boolean,
 ): IGlyphQuad[] {
-  const { positionedGlyphs } = shaping;
+  const { positionedGlyphs = [] } = shaping;
   const quads: IGlyphQuad[] = [];
 
   for (const positionedGlyph of positionedGlyphs) {

stories/Components/components/Zoom.tsx

@@ -19,7 +19,7 @@ export default class ZoomComponent extends React.Component {
     const scene = new Scene({
       id: 'map',
       map: new Mapbox({
-        style: 'mapbox://styles/mapbox/streets-v9',
+        style: 'dark',
         center: [110.19382669582967, 30.258134],
         pitch: 0,
         zoom: 3,
@@ -39,9 +39,10 @@ export default class ZoomComponent extends React.Component {
         '#FF7A45',
         '#CF1D49',
       ])
-      .shape('fill')
+      .shape('name', 'text')
+      .size(10)
       .style({
-        opacity: 0.3,
+        opacity: 1.0,
       });
     scene.addLayer(layer);
     const zoomControl = new Zoom({

stories/Layers/components/Text.tsx

@@ -64,14 +64,14 @@ export default class TextLayerDemo extends React.Component {
       .size(12)
       .color('#fff')
       .style({
-        fontWeight: 200,
+        // fontWeight: 200,
-        textAnchor: 'center', // 文本相对锚点的位置 center|left|right|top|bottom|top-left
+        // textAnchor: 'center', // 文本相对锚点的位置 center|left|right|top|bottom|top-left
-        textOffset: [0, 0], // 文本相对锚点的偏移量 [水平, 垂直]
+        // textOffset: [0, 0], // 文本相对锚点的偏移量 [水平, 垂直]
-        spacing: 2, // 字符间距
+        // spacing: 2, // 字符间距
-        padding: [1, 1], // 文本包围盒 padding [水平，垂直]，影响碰撞检测结果，避免相邻文本靠的太近
+        // padding: [1, 1], // 文本包围盒 padding [水平，垂直]，影响碰撞检测结果，避免相邻文本靠的太近
-        stroke: 'red', // 描边颜色
+        // stroke: 'red', // 描边颜色
-        strokeWidth: 2, // 描边宽度
+        // strokeWidth: 2, // 描边宽度
-        strokeOpacity: 1.0,
+        // strokeOpacity: 1.0,
       });
     scene.addLayer(pointLayer);