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Commit0367cb4

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common mapcalculateutil 新增方法 review by luox
1 parent95e922f commit0367cb4

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4 files changed

+105
-47
lines changed

4 files changed

+105
-47
lines changed

‎src/common/format/JSON.js‎

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Original file line numberDiff line numberDiff line change
@@ -234,6 +234,7 @@ export class JSONFormat extends Format {
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object=JSON.parse(json,filter);
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}catch(e){
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// Fall through if the regexp test fails.
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return{data:json}
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}
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}
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‎src/common/iServer/CommonServiceBase.js‎

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@@ -143,6 +143,7 @@ export class CommonServiceBase {
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options.crossOrigin=options.crossOrigin!=undefined ?options.crossOrigin :me.crossOrigin;
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options.headers=options.headers||me.headers;
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options.isInTheSameDomain=me.isInTheSameDomain;
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options.withoutFormatSuffix=options.scope.withoutFormatSuffix||false;
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//为url添加安全认证信息片段
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options.url=SecurityManager.appendCredential(options.url);
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@@ -277,6 +278,7 @@ export class CommonServiceBase {
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}
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FetchRequest.commit(options.method,options.url,options.params,{
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headers:options.headers,
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withoutFormatSuffix:options.withoutFormatSuffix,
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withCredentials:options.withCredentials,
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crossOrigin:options.crossOrigin,
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timeout:options.async ?0 :null,

‎src/common/util/MapCalculateUtil.js‎

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Original file line numberDiff line numberDiff line change
@@ -111,3 +111,42 @@ export function conversionDegree(degrees) {
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second=parseInt(second/10)===0 ?`0${second}` :second;
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return`${degree}°${fraction}'${second}`;
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}
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exportfunctionscalesToResolutions(scales,bounds,dpi,unit,level=22){
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varresolutions=[];
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if(scales&&scales.length>0){
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for(leti=0;i<scales.length;i++){
119+
resolutions.push(scaleToResolution(scales[i],dpi,unit));
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}
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}else{
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constmaxReolution=Math.abs(bounds.left-bounds.right)/256;
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for(leti=0;i<level;i++){
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resolutions.push(maxReolution/Math.pow(2,i));
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}
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}
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returnresolutions.sort(function(a,b){
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returnb-a;
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});
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}
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132+
exportfunctiongetZoomByResolution(resolution,resolutions){
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letzoom=0;
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letminDistance;
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for(leti=0;i<resolutions.length;i++){
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if(i===0){
137+
minDistance=Math.abs(resolution-resolutions[i]);
138+
}
139+
if(minDistance>Math.abs(resolution-resolutions[i])){
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minDistance=Math.abs(resolution-resolutions[i]);
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zoom=i;
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}
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}
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returnzoom;
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}
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exportfunctionscaleToResolution(scale,dpi,mapUnit){
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constinchPerMeter=1/0.0254;
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constmeterPerMapUnitValue=getMeterPerMapUnit(mapUnit);
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constresolution=1/(scale*dpi*inchPerMeter*meterPerMapUnitValue);
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returnresolution;
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}
Lines changed: 63 additions & 47 deletions
Original file line numberDiff line numberDiff line change
@@ -1,10 +1,9 @@
11
/* Copyright© 2000 - 2022 SuperMap Software Co.Ltd. All rights reserved.
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* This program are made available under the terms of the Apache License, Version 2.0
33
* which accompanies this distribution and is available at http://www.apache.org/licenses/LICENSE-2.0.html.*/
4-
import{ServiceBase}from'./ServiceBase';
4+
import{ServiceBase}from'./ServiceBase';
55
import{MapServiceasCommonMapService}from'@supermap/iclient-common/iServer/MapService';
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import{TilesetsService}from'@supermap/iclient-common/iServer/TilesetsService';
7-
87
/**
98
*@class MapService
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*@category iServer Map
@@ -23,52 +22,69 @@ import { TilesetsService } from '@supermap/iclient-common/iServer/TilesetsServic
2322
*@usage
2423
*/
2524
exportclassMapServiceextendsServiceBase{
25+
constructor(url,options){
26+
super(url,options);
27+
}
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27-
constructor(url,options){
28-
super(url,options);
29-
}
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/**
30+
*@function MapService.prototype.getMapInfo
31+
*@description 地图信息查询服务。
32+
*@param {RequestCallback} callback - 回调函数。
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*@returns {MapService} 获取服务信息。
34+
*/
35+
getMapInfo(callback){
36+
varme=this;
37+
vargetMapStatusService=newCommonMapService(me.url,{
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proxy:me.options.proxy,
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withCredentials:me.options.withCredentials,
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crossOrigin:me.options.crossOrigin,
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headers:me.options.headers,
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eventListeners:{
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scope:me,
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processCompleted:callback,
45+
processFailed:callback
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},
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projection:me.options.projection
48+
});
49+
getMapStatusService.processAsync();
50+
}
3051

31-
/**
32-
*@function MapService.prototype.getMapInfo
33-
*@description 地图信息查询服务。
34-
*@param {RequestCallback} callback - 回调函数。
35-
*@returns {MapService} 获取服务信息。
36-
*/
37-
getMapInfo(callback){
38-
varme=this;
39-
vargetMapStatusService=newCommonMapService(me.url,{
40-
proxy:me.options.proxy,
41-
withCredentials:me.options.withCredentials,
42-
crossOrigin:me.options.crossOrigin,
43-
headers:me.options.headers,
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eventListeners:{
45-
scope:me,
46-
processCompleted:callback,
47-
processFailed:callback
48-
},projection:me.options.projection
49-
});
50-
getMapStatusService.processAsync();
51-
}
52+
getWkt(callback){
53+
varme=this;
54+
vargetMapStatusService=newCommonMapService(`${me.url}/prjCoordSys.wkt`,{
55+
proxy:me.options.proxy,
56+
withCredentials:me.options.withCredentials,
57+
withoutFormatSuffix:true,
58+
crossOrigin:me.options.crossOrigin,
59+
headers:me.options.headers,
60+
eventListeners:{
61+
scope:me,
62+
processCompleted:callback,
63+
processFailed:callback
64+
},projection:me.options.projection
65+
});
66+
getMapStatusService.processAsync();
67+
}
5268

53-
/**
54-
*@function MapService.prototype.getTilesets
55-
*@description 切片列表信息查询服务。
56-
*@param {RequestCallback} callback - 回调函数。
57-
*@returns {MapService} 获取服务信息。
58-
*/
59-
getTilesets(callback){
60-
varme=this;
61-
vartilesetsService=newTilesetsService(me.url,{
62-
proxy:me.options.proxy,
63-
withCredentials:me.options.withCredentials,
64-
crossOrigin:me.options.crossOrigin,
65-
headers:me.options.headers,
66-
eventListeners:{
67-
scope:me,
68-
processCompleted:callback,
69-
processFailed:callback
70-
}
71-
});
72-
tilesetsService.processAsync();
73-
}
69+
/**
70+
*@function MapService.prototype.getTilesets
71+
*@description 切片列表信息查询服务。
72+
*@param {RequestCallback} callback - 回调函数。
73+
*@returns {MapService} 获取服务信息。
74+
*/
75+
getTilesets(callback){
76+
varme=this;
77+
vartilesetsService=newTilesetsService(me.url,{
78+
proxy:me.options.proxy,
79+
withCredentials:me.options.withCredentials,
80+
crossOrigin:me.options.crossOrigin,
81+
headers:me.options.headers,
82+
eventListeners:{
83+
scope:me,
84+
processCompleted:callback,
85+
processFailed:callback
86+
}
87+
});
88+
tilesetsService.processAsync();
89+
}
7490
}

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