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提交 4412d512 编写于 作者: L lang
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Remove map tool

上级 410ed4b1
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map/tool/compress.js 已删除 100644 → 0
浏览文件 @ 410ed4b1
function compress(json) {
json.UTF8Encoding = true;
var features = json.features;
features.forEach(function (feature){
var encodeOffsets = feature.geometry.encodeOffsets = [];
var coordinates = feature.geometry.coordinates;
if (feature.geometry.type === 'MultiPolygon') {
coordinates.forEach(function (polygon, idx1){
encodeOffsets[idx1] = [];
polygon.forEach(function (coordinate, idx2) {
coordinates[idx1][idx2] = encodePolygon(
coordinate, encodeOffsets[idx1][idx2] = []
);
});
});
}
else {
coordinates.forEach(function (coordinate, idx){
coordinates[idx] = encodePolygon(
coordinate, encodeOffsets[idx] = []
);
});
}
});
return json;
}
function encodePolygon(coordinates, encodeOffsets) {
var result = '';
var prevX = quantize(coordinates[0][0]);
var prevY = quantize(coordinates[0][1]);
// Store the origin offset
encodeOffsets[0] = prevX;
encodeOffsets[1] = prevY;
for (var i = 0; i < coordinates.length; i++) {
var point = coordinates[i];
result += encode(point[0], prevX);
result += encode(point[1], prevY);
prevX = quantize(point[0]);
prevY = quantize(point[1]);
}
return result;
}
function quantize(val) {
return Math.ceil(val * 1024);
}
function encode(val, prev){
// Quantization
val = quantize(val);
// var tmp = val;
// Delta
var delta = val - prev;
if (((delta << 1) ^ (delta >> 15)) + 64 === 8232) {
//WTF, 8232 will get syntax error in js code
delta--;
}
// ZigZag
delta = (delta << 1) ^ (delta >> 15);
// add offset and get unicode
return String.fromCharCode(delta + 64);
// var tmp = {'tmp' : str};
// try{
// eval("(" + JSON.stringify(tmp) + ")");
// }catch(e) {
// console.log(val + 64);
// }
}
module.exports = compress;
\ No newline at end of file
map/tool/fetchAMap.js 已删除 100644 → 0
浏览文件 @ 410ed4b1
var request = require('request');
var fs = require('fs');
var provinceList = ['台湾省', '河北省', '山西省', '内蒙古自治区', '辽宁省', '吉林省','黑龙江省', '江苏省', '浙江省', '安徽省', '福建省', '江西省', '山东省','河南省', '湖北省', '湖南省', '广东省', '广西壮族自治区', '海南省', '四川省', '贵州省', '云南省', '西藏自治区', '陕西省', '甘肃省', '青海省', '宁夏回族自治区', '新疆维吾尔自治区'];
// var provinceList = ['台湾', '河北', '山西', '内蒙古', '辽宁', '吉林','黑龙江', '江苏', '浙江', '安徽', '福建', '江西', '山东','河南', '湖北', '湖南', '广东', '广西', '海南', '四川', '贵州', '云南', '西藏', '陕西', '甘肃', '青海', '宁夏', '新疆'];
var centralCityFullList = ['北京市', '天津市', '上海市', '重庆市', '香港特别行政区', '澳门特别行政区'
];
var API_BASE = 'http://restapi.amap.com/v3/config/';
var API_KEY = 'd619ce5126cfe80ad9c645fcc1b54e52';
function makeRequestUrl (obj, type) {
var paramStr = '';
for (var name in obj) {
paramStr += (paramStr ? '&' : '?') + name + '=' + encodeURIComponent(obj[name]);
}
paramStr += '&key=' + API_KEY + '&output=json';
// console.log(API_BASE + type + paramStr);
return API_BASE + type + paramStr;
}
function makeDistritSearchUrl(obj) {
return makeRequestUrl({
extensions: 'all',
keywords: obj.keywords,
subdistrict: 1
}, 'district');
}
provinceList.forEach(function (provinceName) {
request(makeDistritSearchUrl({
keywords: provinceName,
level: 'province'
}), function (err, response, body) {
if (!fs.existsSync('./tmp/' + provinceName)) {
fs.mkdirSync('./tmp/' + provinceName);
}
fs.writeFileSync('./tmp/' + provinceName +'.json', body, 'utf-8');
var res = JSON.parse(body);
res.districts[0].districts.forEach(function (city) {
request(makeDistritSearchUrl({
keywords: city.name,
level: 'city'
}), function (err, response, body) {
fs.writeFileSync('./tmp/' + provinceName + '/' + city.name +'.json', body, 'utf-8');
});
});
});
});
centralCityFullList.forEach(function (cityName) {
request(makeDistritSearchUrl({
keywords: cityName,
level: 'city'
}), function (err, response, body) {
fs.writeFileSync('./tmp/' + cityName +'.json', body, 'utf-8');
});
});
\ No newline at end of file
map/tool/genGeo.js 已删除 100644 → 0
浏览文件 @ 410ed4b1
var fs = require('fs');
var compress = require('./compress');
var simplify = require('./simplify');
var pinyin = require('pinyin');
var jsTplStr = fs.readFileSync('./jsTpl.js', 'utf-8');
var provinceList = ['台湾', '河北', '山西', '内蒙古', '辽宁', '吉林','黑龙江', '江苏', '浙江', '安徽', '福建', '江西', '山东','河南', '湖北', '湖南', '广东', '广西', '海南', '四川', '贵州', '云南', '西藏', '陕西', '甘肃', '青海', '宁夏', '新疆'];
var provinceFullList = ['台湾省', '河北省', '山西省', '内蒙古自治区', '辽宁省', '吉林省','黑龙江省', '江苏省', '浙江省', '安徽省', '福建省', '江西省', '山东省','河南省', '湖北省', '湖南省', '广东省', '广西壮族自治区', '海南省', '四川省', '贵州省', '云南省', '西藏自治区', '陕西省', '甘肃省', '青海省', '宁夏回族自治区', '新疆维吾尔自治区'];
var centralCityFullList = ['北京市', '天津市', '上海市', '重庆市', '香港特别行政区', '澳门特别行政区'
];
var centralCityList = ['北京', '天津', '上海', '重庆', '香港', '澳门'];
// var provinceShortFullMap = provinceList.reduce(function (obj, val, idx) {
// return (obj[val] = provinceFullList[idx]);
// }, {});
var provinceFullShortMap = provinceFullList.reduce(function (obj, val, idx) {
obj[val] = provinceList[idx];
return obj;
}, {});
var centralCityFullShortMap = centralCityFullList.reduce(function (obj, val, idx) {
obj[val] = centralCityList[idx];
return obj;
}, {});
function polygonArea(pts) {
var area = 0;
for (var i = pts.length - 1, j = 0; j < pts.length;) {
var pt0 = pts[0];
var pt1 = pts[1];
i = j;
j++;
area += pt0[0] * pt1[1] - pt1[0] * pt0[1];
}
return Math.abs(area);
}
function makeFeature(district, minArea, simplifyRatio) {
var boundaries = district.polyline.split('|').map(function (str) {
return str.split(';').map(function (strPt) {
var pt = strPt.split(',');
return [+pt[0], +pt[1]];
});
}).map(function (polygon) {
return simplify(polygon, simplifyRatio, true);
}).filter(function (polygon) {
// Remove small area isload
return polygonArea(polygon) > minArea;
});
if (district.name === '海南省') {
var maxArea = 0;
var maxAreaPolygon;
for (var i = 0; i < boundaries.length; i++) {
var area = polygonArea(boundaries[i]);
if (area > maxArea) {
maxArea = area;
maxAreaPolygon = boundaries[i];
}
}
// 去除南海诸岛
boundaries = [maxAreaPolygon];
}
var feature = {
id: district.adcode,
geometry: {
type: boundaries.length > 1 ? 'MultiPolygon' : 'Polygon',
coordinates: boundaries.length > 1 ? [boundaries] : boundaries
},
properties: {
cp: district.center.split(',').map(function (a) {return +a;}),
name: centralCityFullShortMap[district.name]
|| provinceFullShortMap[district.name] || district.name,
childNum: boundaries.length
}
};
return feature;
}
function readProvince(provinceName) {
return JSON.parse(fs.readFileSync('./tmp/' + provinceName + '.json', 'utf-8'));
}
function readCity(provinceName, cityName) {
return JSON.parse(fs.readFileSync('./tmp/' + provinceName + '/' + cityName + '.json', 'utf-8'));
}
function makeChina() {
var geoJson = {
type: 'FeatureCollection',
features: provinceFullList.map(function (provinceName) {
var json = readProvince(provinceName);
return makeFeature(json.districts[0], 7, 0.015);
})
};
geoJson.features = geoJson.features.concat(centralCityFullList.map(function (cityName) {
var json = readProvince(cityName);
return makeFeature(json.districts[0], 7, 0.015);
}));
var jsonStr = JSON.stringify(compress(geoJson));
fs.writeFileSync(
'../json/china.json',
jsonStr,
'utf-8'
);
fs.writeFileSync(
'../js/china.js',
jsTplStr.replace('{{name}}', 'china')
.replace('{{data}}', jsonStr),
'utf-8'
);
}
function makeProvince(provinceName) {
var provinceDetail = readProvince(provinceName);
var geoJson = {
type: 'FeatureCollection',
features: provinceDetail.districts[0].districts.map(function (city) {
var cityCode = city.citycode;
var cityDetail = readCity(provinceName, city.name);
return makeFeature(cityDetail.districts.filter(function (distrct) {
return distrct.citycode === cityCode;
})[0], 0, 0.0005);
})
};
var jsonStr = JSON.stringify(compress(geoJson));
var pinyinName = pinyin(provinceFullShortMap[provinceName], {
// heteronym: true,
style: pinyin.STYLE_NORMAL
}).join('');
fs.writeFileSync(
'../json/province/' + pinyinName + '.json',
jsonStr,
'utf-8'
);
fs.writeFileSync(
'../js/province/' + pinyinName + '.js',
jsTplStr.replace('{{name}}', provinceFullShortMap[provinceName])
.replace('{{data}}', jsonStr),
'utf-8'
);
}
makeChina();
provinceFullList.forEach(function (provinceName) {
if (provinceName === '台湾省') {
return;
}
console.log('Generating ' + provinceName);
makeProvince(provinceName);
});
var worldNameMap = {
// 'United States': 'United States of America',
// 'Côte d\'Ivoire': 'Ivory Coast',
// 'Central African Rep.': 'Central African Republic',
// 'S. Sudan': 'South Sudan',
// 'Dem. Rep. Congo': 'Democratic Republic of the Congo',
'Republic of Congo': 'Republic of the Congo'
};
// World
var worldGeo = JSON.parse(fs.readFileSync('./world/tmp/world.json', 'utf-8'));
var taiwanFeature;
var chinaFeature;
worldGeo.features = worldGeo.features.filter(function (feature) {
if (feature.properties && feature.properties.name === 'Taiwan') {
taiwanFeature = feature;
return false;
}
if (feature.properties && feature.properties.name === 'China') {
chinaFeature = feature;
}
return feature.geometry && feature.properties
&& feature.properties.name !== 'Antarctica';
}).map(function (feature) {
var res = {
geometry: {
type: feature.geometry.type,
coordinates: feature.geometry.coordinates
},
properties: {
name: worldNameMap[feature.properties.sovereignt]
|| feature.properties.sovereignt,
childNum: feature.geometry.coordinates.length
}
};
if (feature.properties.cp) {
res.properties.cp = feature.properties.cp;
}
return res;
});
if (taiwanFeature) {
chinaFeature.geometry.coordinates.push(taiwanFeature.geometry.coordinates);
chinaFeature.properties.childNum++;
}
var worldGeoStr = JSON.stringify(worldGeo);
fs.writeFileSync('../json/world.json', worldGeoStr , 'utf-8');
fs.writeFileSync(
'../js/world.js',
jsTplStr.replace('{{name}}', 'world')
.replace('{{data}}', worldGeoStr),
'utf-8'
);
\ No newline at end of file
map/tool/jsTpl.js 已删除 100644 → 0
浏览文件 @ 410ed4b1
(function (root, factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module.
define(['exports', 'echarts'], factory);
} else if (typeof exports === 'object' && typeof exports.nodeName !== 'string') {
// CommonJS
factory(exports, require('echarts'));
} else {
// Browser globals
factory({}, root.echarts);
}
}(this, function (exports, echarts) {
var log = function (msg) {
if (typeof console !== 'undefined') {
console && console.error && console.error(msg);
}
}
if (!echarts) {
log('ECharts is not Loaded');
return;
}
if (!echarts.registerMap) {
log('ECharts Map is not loaded')
return;
}
echarts.registerMap('{{name}}', {{data}});
}));
\ No newline at end of file
map/tool/simplify.js 已删除 100644 → 0
浏览文件 @ 410ed4b1
/*
(c) 2013, Vladimir Agafonkin
Simplify.js, a high-performance JS polyline simplification library
mourner.github.io/simplify-js
*/
(function () { 'use strict';
// to suit your point format, run search/replace for '[0]' and '[1]';
// for 3D version, see 3d branch (configurability would draw significant performance overhead)
// square distance between 2 points
function getSqDist(p1, p2) {
var dx = p1[0] - p2[0],
dy = p1[1] - p2[1];
return dx * dx + dy * dy;
}
// square distance from a point to a segment
function getSqSegDist(p, p1, p2) {
var x = p1[0],
y = p1[1],
dx = p2[0] - x,
dy = p2[1] - y;
if (dx !== 0 || dy !== 0) {
var t = ((p[0] - x) * dx + (p[1] - y) * dy) / (dx * dx + dy * dy);
if (t > 1) {
x = p2[0];
y = p2[1];
} else if (t > 0) {
x += dx * t;
y += dy * t;
}
}
dx = p[0] - x;
dy = p[1] - y;
return dx * dx + dy * dy;
}
// rest of the code doesn't care about point format
// basic distance-based simplification
function simplifyRadialDist(points, sqTolerance) {
var prevPoint = points[0],
newPoints = [prevPoint],
point;
for (var i = 1, len = points.length; i < len; i++) {
point = points[i];
if (getSqDist(point, prevPoint) > sqTolerance) {
newPoints.push(point);
prevPoint = point;
}
}
if (prevPoint !== point) newPoints.push(point);
return newPoints;
}
function simplifyDPStep(points, first, last, sqTolerance, simplified) {
var maxSqDist = sqTolerance,
index;
for (var i = first + 1; i < last; i++) {
var sqDist = getSqSegDist(points[i], points[first], points[last]);
if (sqDist > maxSqDist) {
index = i;
maxSqDist = sqDist;
}
}
if (maxSqDist > sqTolerance) {
if (index - first > 1) simplifyDPStep(points, first, index, sqTolerance, simplified);
simplified.push(points[index]);
if (last - index > 1) simplifyDPStep(points, index, last, sqTolerance, simplified);
}
}
// simplification using Ramer-Douglas-Peucker algorithm
function simplifyDouglasPeucker(points, sqTolerance) {
var last = points.length - 1;
var simplified = [points[0]];
simplifyDPStep(points, 0, last, sqTolerance, simplified);
simplified.push(points[last]);
return simplified;
}
// both algorithms combined for awesome performance
function simplify(points, tolerance, highestQuality) {
if (points.length <= 2) return points;
var sqTolerance = tolerance !== undefined ? tolerance * tolerance : 1;
points = highestQuality ? points : simplifyRadialDist(points, sqTolerance);
points = simplifyDouglasPeucker(points, sqTolerance);
return points;
}
// export as AMD module / Node module / browser or worker variable
if (typeof define === 'function' && define.amd) define(function() { return simplify; });
else if (typeof module !== 'undefined') module.exports = simplify;
else if (typeof self !== 'undefined') self.simplify = simplify;
else window.simplify = simplify;
})();
\ No newline at end of file
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