【feature】leaflet initmap 对接tileset

Author: songyumeng

src/common/iServer/InitMapServiceBase.js

@@ -53,12 +53,20 @@ export class InitMapServiceBase {
    * @returns {Promise}
    */
   getMapInfo(callback) {
-    return new Promise((resolve, reject) => {
-      const mapService = this.createMapService();
-      mapService.getMapInfo((res) => {
-        callback(res, resolve, reject);
+    const mapService = this.createMapService();
+    if(callback){
+      return new Promise((resolve, reject) => {
+        mapService.getMapInfo((res) => {
+          callback(res, resolve, reject);
+        });
       });
-    });
+    }
+    return mapService.getMapInfo();
+    
+  }
+
+  getTilesets() {
+    return this.createMapService().getTilesets();
   }
 
   /**

src/common/util/MapCalculateUtil.js

@@ -137,12 +137,26 @@ export function conversionDegree(degrees) {
   * const result = scalesToResolutions(scales, bounds, dpi, mapUnit);
   * ```
  */
- export function scalesToResolutions(scales, bounds, dpi, mapUnit, level = 22) {
+ export function scalesToResolutions(scales, bounds, dpi, mapUnit, level = 22, baseScale) {
   var resolutions = [];
   if (scales && scales.length > 0) {
     for (let i = 0; i < scales.length; i++) {
       resolutions.push(scaleToResolution(scales[i], dpi, mapUnit));
     }
+  } else if (baseScale){
+    const maxReolution = Math.abs(bounds.left - bounds.right) / 256;
+    const baseRes = scaleToResolution(baseScale, dpi, mapUnit);
+    let topRes = baseRes;
+    for (let i = 0; i < level; i++) {
+      const temp = baseRes * Math.pow(2, i);
+      if(Math.abs(temp,maxReolution)<= 1E-6 || temp>maxReolution){
+        topRes = temp;
+        break;
+      }
+    }
+    for (let i = 0; i < level; i++) {
+      resolutions.push(topRes / Math.pow(2, i));
+    }
   } else {
     const maxReolution = Math.abs(bounds.left - bounds.right) / 256;
     for (let i = 0; i < level; i++) {
@@ -220,6 +234,13 @@ export function scaleToResolution(scale, dpi, mapUnit) {
   return resolution;
 }
 
+export function getDpi(scale, resolution, mapUnit) {
+  const inchPerMeter = 1 / 0.0254;
+  const meterPerMapUnitValue = getMeterPerMapUnit(mapUnit);
+  const dpi = 1.0/resolution/(scale * inchPerMeter * meterPerMapUnitValue);
+  return dpi;
+}
+
 /**
  * 范围是否相交。
  * @param {Array} extent1 范围 1。

src/leaflet/core/Util.js

@@ -6,7 +6,8 @@
  import {
   getMeterPerMapUnit as MeterPerMapUnit,
   getZoomByResolution,
-  scalesToResolutions
+  scalesToResolutions,
+  getDpi
 } from '@supermap/iclient-common/util/MapCalculateUtil';
 
  /**
@@ -230,5 +231,6 @@ export var getResolutionFromScaleDpi = function(scale, dpi, coordUnit, datumAxis
 };
 export {
   getZoomByResolution,
-  scalesToResolutions
+  scalesToResolutions,
+  getDpi
 }