├── tests ├── __init__.py ├── data │ ├── point │ │ ├── point.cpg │ │ ├── point.dbf │ │ ├── point.shp │ │ ├── point.shx │ │ ├── point.prj │ │ └── point.qpj │ ├── multiPoint │ │ ├── multi-point.cpg │ │ ├── multi-point.dbf │ │ ├── multi-point.shp │ │ ├── multi-point.shx │ │ ├── multi-point.prj │ │ └── multi-point.qpj │ ├── multiPolygon │ │ ├── polygon_wgs.cpg │ │ ├── polygon_wgs.dbf │ │ ├── polygon_wgs.shp │ │ ├── polygon_wgs.shx │ │ ├── polygon_wgs.prj │ │ └── polygon_wgs.qpj │ ├── multiPolyline │ │ ├── polyline_wgs.cpg │ │ ├── polyline_wgs.dbf │ │ ├── polyline_wgs.shp │ │ ├── polyline_wgs.shx │ │ └── polyline_wgs.prj │ └── polygon │ │ └── polygon.geojson └── test_transform.py ├── requirements.txt ├── coord_convert ├── __init__.py ├── coordconvert.py └── transform.py ├── .gitignore ├── assets └── all.jpg ├── .pypic ├── .github └── workflows │ ├── test.yml │ └── pypi.yml ├── LICENSE ├── setup.py └── README.md /tests/__init__.py: -------------------------------------------------------------------------------- 1 | -------------------------------------------------------------------------------- /tests/data/point/point.cpg: -------------------------------------------------------------------------------- 1 | UTF-8 -------------------------------------------------------------------------------- /requirements.txt: -------------------------------------------------------------------------------- 1 | click 2 | tqdm 3 | fiona -------------------------------------------------------------------------------- /tests/data/multiPoint/multi-point.cpg: -------------------------------------------------------------------------------- 1 | UTF-8 -------------------------------------------------------------------------------- /coord_convert/__init__.py: -------------------------------------------------------------------------------- 1 | __version__ = '0.2.1' 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https://raw.githubusercontent.com/sshuair/coord-convert/HEAD/tests/data/multiPolygon/polygon_wgs.dbf -------------------------------------------------------------------------------- /tests/data/multiPolygon/polygon_wgs.shp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/sshuair/coord-convert/HEAD/tests/data/multiPolygon/polygon_wgs.shp -------------------------------------------------------------------------------- /tests/data/multiPolygon/polygon_wgs.shx: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/sshuair/coord-convert/HEAD/tests/data/multiPolygon/polygon_wgs.shx -------------------------------------------------------------------------------- /tests/data/multiPolyline/polyline_wgs.dbf: -------------------------------------------------------------------------------- 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GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137,298.257223563]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]] -------------------------------------------------------------------------------- /tests/data/multiPoint/multi-point.prj: -------------------------------------------------------------------------------- 1 | GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137,298.257223563]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]] -------------------------------------------------------------------------------- /tests/data/multiPolygon/polygon_wgs.prj: -------------------------------------------------------------------------------- 1 | GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137,298.257223563]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]] -------------------------------------------------------------------------------- /tests/data/multiPolyline/polyline_wgs.prj: -------------------------------------------------------------------------------- 1 | GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137,298.257223563]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]] -------------------------------------------------------------------------------- /tests/data/point/point.qpj: -------------------------------------------------------------------------------- 1 | GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4326"]] 2 | -------------------------------------------------------------------------------- /tests/data/multiPoint/multi-point.qpj: -------------------------------------------------------------------------------- 1 | GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4326"]] 2 | -------------------------------------------------------------------------------- /tests/data/multiPolygon/polygon_wgs.qpj: -------------------------------------------------------------------------------- 1 | GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4326"]] 2 | -------------------------------------------------------------------------------- /.pypic: -------------------------------------------------------------------------------- 1 | [distutils] 2 | index-servers= 3 | pypi 4 | testpypi 5 | 6 | [pypi] 7 | repository = https://upload.pypi.org/legacy/ 8 | username = 9 | password = 10 | 11 | [testpypi] 12 | repository = https://test.pypi.org/legacy/ 13 | username = 14 | password = -------------------------------------------------------------------------------- /.github/workflows/test.yml: -------------------------------------------------------------------------------- 1 | name: pytest 2 | 3 | on: [push] 4 | 5 | jobs: 6 | build: 7 | 8 | runs-on: ubuntu-latest 9 | strategy: 10 | max-parallel: 4 11 | matrix: 12 | python-version: [3.5, 3.6, 3.7] 13 | 14 | steps: 15 | - uses: actions/checkout@v1 16 | - name: Set up Python ${{ matrix.python-version }} 17 | uses: actions/setup-python@v1 18 | with: 19 | python-version: ${{ matrix.python-version }} 20 | - name: Install dependencies 21 | run: | 22 | python -m pip install --upgrade pip 23 | pip install -r requirements.txt 24 | - name: Lint with flake8 25 | run: | 26 | pip install flake8 27 | # stop the build if there are Python syntax errors or undefined names 28 | flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics 29 | # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide 30 | flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics 31 | - name: Test with pytest 32 | run: | 33 | pip install pytest 34 | pytest 35 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2018 sshuair 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /.github/workflows/pypi.yml: -------------------------------------------------------------------------------- 1 | name: pypi 2 | 3 | on: [release] 4 | 5 | jobs: 6 | build: 7 | 8 | runs-on: ubuntu-latest 9 | strategy: 10 | max-parallel: 4 11 | matrix: 12 | python-version: [3.6] 13 | 14 | steps: 15 | - uses: actions/checkout@v1 16 | - name: Set up Python ${{ matrix.python-version }} 17 | uses: actions/setup-python@v1 18 | with: 19 | python-version: ${{ matrix.python-version }} 20 | - name: Install dependencies 21 | run: | 22 | python -m pip install --upgrade pip 23 | pip install -r requirements.txt 24 | - name: Lint with flake8 25 | run: | 26 | pip install flake8 27 | # stop the build if there are Python syntax errors or undefined names 28 | flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics 29 | # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide 30 | flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics 31 | - name: Test with pytest 32 | run: | 33 | pip install pytest 34 | pytest 35 | - name: build wheels 36 | run: | 37 | pip install setuptools wheel twine 38 | python setup.py sdist bdist_wheel 39 | python -m twine upload -r pypi --verbose -u ${{ secrets.PYPI_USERNAME }} -p ${{ secrets.PYPI_PASSWORD }} dist/* -------------------------------------------------------------------------------- /setup.py: -------------------------------------------------------------------------------- 1 | #coding: --utf-8-- 2 | from setuptools import setup 3 | 4 | # version 5 | with open('coord_convert/__init__.py') as f: 6 | for line in f: 7 | if line.find('__version__') >= 0: 8 | version = line.split('=')[1].strip() 9 | version = version.strip('"') 10 | version = version.strip("'") 11 | break 12 | 13 | # install requirements 14 | with open('requirements.txt') as f: 15 | requirements = [x.strip() for x in f.readlines()] 16 | 17 | # readme 18 | with open('README.md', encoding='utf-8') as f: 19 | readme = f.read() 20 | 21 | setup( 22 | name='coord-convert', 23 | version = version, 24 | description = u'china mars coordinate convertor.', 25 | long_description = readme, 26 | long_description_content_type="text/markdown", 27 | classifiers=[ 28 | 'Development Status :: 4 - Beta', 29 | 'Intended Audience :: Developers', 30 | 'Intended Audience :: Information Technology', 31 | 'Intended Audience :: Science/Research', 32 | 'License :: OSI Approved :: MIT License', 33 | 'Programming Language :: C', 34 | 'Programming Language :: Cython', 35 | 'Programming Language :: Python :: 3.5', 36 | 'Programming Language :: Python :: 3.6', 37 | 'Programming Language :: Python :: 3', 38 | 'Topic :: Multimedia :: Graphics :: Graphics Conversion', 39 | 'Topic :: Scientific/Engineering :: GIS'], 40 | keywords='coordinate vector china', 41 | author='sshuair', 42 | author_email='sshuair@gmail.com', 43 | url='https://github.com/sshuair/coord-convert', 44 | packages = ['coord_convert'], 45 | install_requires=requirements, 46 | entry_points=''' 47 | [console_scripts] 48 | coord_covert=coord_convert.coordconvert:convertor 49 | ''' 50 | 51 | ) 52 | -------------------------------------------------------------------------------- /tests/test_transform.py: -------------------------------------------------------------------------------- 1 | import pytest 2 | from coord_convert.transform import wgs2gcj, wgs2bd, gcj2wgs, gcj2bd, bd2wgs, bd2gcj 3 | from coord_convert.transform import Transform 4 | 5 | lon, lat = 120.0, 40.0 6 | 7 | def test_gcj_wgs(): 8 | forward_lon, forward_lat = wgs2gcj(lon, lat) 9 | assert isinstance(forward_lon, float) 10 | assert isinstance(forward_lat, float) 11 | 12 | reversed_lon, reversed_lat = gcj2wgs(forward_lon, forward_lat) 13 | assert round(reversed_lon, 6) == lon 14 | assert round(reversed_lat, 6) == lat 15 | 16 | 17 | def test_gcj_bd(): 18 | forward_lon, forward_lat = gcj2bd(lon, lat) 19 | assert isinstance(forward_lon, float) 20 | assert isinstance(forward_lat, float) 21 | 22 | reversed_lon, reversed_lat = bd2gcj(forward_lon, forward_lat) 23 | assert round(reversed_lon, 6) == lon 24 | assert round(reversed_lat, 6) == lat 25 | 26 | 27 | def test_wgs_bd(): 28 | forward_lon, forward_lat = wgs2bd(lon, lat) 29 | assert isinstance(forward_lon, float) 30 | assert isinstance(forward_lat, float) 31 | 32 | reversed_lon, reversed_lat = bd2wgs(forward_lon, forward_lat) 33 | assert round(reversed_lon, 6) == lon 34 | assert round(reversed_lat, 6) == lat 35 | 36 | def test_Transform(): 37 | transform = Transform() 38 | forward_lon, forward_lat = getattr(transform, 'wgs2gcj')(lon, lat) 39 | reversed_lon, reversed_lat = getattr(transform, 'gcj2wgs')(forward_lon, forward_lat) 40 | assert round(reversed_lon, 6) == lon 41 | assert round(reversed_lat, 6) == lat 42 | 43 | forward_lon, forward_lat = getattr(transform, 'wgs2bd')(lon, lat) 44 | reversed_lon, reversed_lat = getattr(transform, 'bd2wgs')(forward_lon, forward_lat) 45 | assert round(reversed_lon, 6) == lon 46 | assert round(reversed_lat, 6) == lat 47 | 48 | forward_lon, forward_lat = getattr(transform, 'gcj2bd')(lon, lat) 49 | reversed_lon, reversed_lat = getattr(transform, 'bd2gcj')(forward_lon, forward_lat) 50 | assert round(reversed_lon, 6) == lon 51 | assert round(reversed_lat, 6) == lat -------------------------------------------------------------------------------- /coord_convert/coordconvert.py: -------------------------------------------------------------------------------- 1 | # -*- coding: utf-8 -*- 2 | import fiona 3 | from tqdm import tqdm 4 | import click 5 | 6 | from coord_convert.transform import Transform 7 | 8 | 9 | def recur_map(f, data): 10 | """递归处理所有坐标 11 | 12 | Arguments: 13 | f {function} -- [apply function] 14 | data {collection} -- [fiona collection] 15 | """ 16 | 17 | return[ not type(x) is list and f(x) or recur_map(f, x) for x in data ] 18 | 19 | 20 | @click.command() 21 | @click.argument('convert_type', type=click.STRING) 22 | @click.argument('src_path', type=click.Path(exists=True)) 23 | @click.argument('dst_path', type=click.Path(exists=False)) 24 | def convertor(src_path, dst_path, convert_type): 25 | """convert input china coordinate to another. 26 | 27 | \b 28 | Arguments: 29 | convert_type {string} -- [coordinate convert type, e.g. wgs2bd] 30 | \b 31 | wgs2gcj : convert WGS-84 to GCJ-02 32 | wgs2bd : convert WGS-84 to DB-09 33 | gcj2wgs : convert GCJ-02 to WGS-84 34 | gcj2bd : convert GCJ-02 to BD-09 35 | bd2wgs : convert BD-09 to WGS-84 36 | bd2gcj : convert BD-09 to GCJ-02 37 | 38 | src_path {string} -- [source file path] 39 | dst_path {string} -- [destination file path] 40 | 41 | 42 | Example: 43 | 44 | \b 45 | coord_covert wgs2gcj ./test/data/line/multi-polygon.shp ~/temp/qqqq.shp 46 | """ 47 | 48 | with fiona.open(src_path, 'r', encoding='utf-8') as source: 49 | source_schema = source.schema.copy() 50 | with fiona.open(dst_path, 'w', encoding='utf-8', **source.meta) as out: 51 | transform = Transform() 52 | f = lambda x: getattr(transform, convert_type)(x[0], x[1]) #dynamic call convert func 53 | 54 | for fea in tqdm(source): 55 | collections = fea['geometry']['coordinates'] 56 | if type(collections) is tuple: 57 | fea['geometry']['coordinates'] = f(collections) 58 | elif type(collections) is list: 59 | fea['geometry']['coordinates'] = recur_map(f, collections) 60 | else: 61 | raise TypeError("collection must be list or tuple") 62 | out.write(fea) 63 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # China Coordinate Convertor 2 | 3 | [![Actions Status](https://github.com/sshuair/coord-convert/workflows/pytest/badge.svg)](https://github.com/sshuair/coord-convert/actions) 4 | [![GitHub stars](https://img.shields.io/github/stars/sshuair/coord-convert)](https://github.com/sshuair/coord-convert/stargazers) 5 | [![GitHub forks](https://img.shields.io/github/forks/sshuair/coord-convert)](https://github.com/sshuair/coord-convert/network) 6 | [![GitHub license](https://img.shields.io/github/license/sshuair/coord-convert)](https://github.com/sshuair/coord-convert/blob/master/LICENSE) 7 | 8 | [中国火星坐标](https://en.wikipedia.org/wiki/Restrictions_on_geographic_data_in_China)转换命令行工具，用于`WGS-84`(未偏移坐标), `GCJ-02`（国家测绘局、高德、谷歌中国地图）, `BD-09`(百度坐标系)三者之间的互相转换，支持文件格式： 9 | - ESRI Shapefile 10 | - GeoJSON 11 | 12 | 图片名称 13 | 14 | ## 安装 15 | 推荐使用： 16 | `pip install coord-convert` 17 | 18 | 或者也可以从源码安装： 19 | ``` 20 | git clone https://github.com/sshuair/coord-convert.git 21 | pip install -r requirements.txt 22 | python setup.py install 23 | ``` 24 | 25 | ## 依赖 26 | - python3 27 | - fiona 28 | - tqdm 29 | - click 30 | 31 | ## 使用方法 32 | >注意：火星坐标转换是针对经纬度的转换，因此在进行转换前需要将坐标转换成经纬度；比如web墨卡托(3857)等投影坐标系需要先转成经纬度坐标(4326) 33 | 34 | ### Python API调用 35 | 在python程序中调用相应的坐标转换接口 36 | 37 | ```python 38 | from coord_convert.transform import wgs2gcj, wgs2bd, gcj2wgs, gcj2bd, bd2wgs, bd2gcj 39 | lon, lat = 120, 40 40 | gcj_lon, gcj_lat = wgs2gcj(lon, lat) 41 | bd_lon, bd_lat = wgs2bd(lon, lat) 42 | print(gcj_lon, gcj_lat) # the result should be: 120.00567568355486 40.0013047896019 43 | 44 | ``` 45 | 46 | 47 | ### 命令行调用 48 | 火星坐标转换还支持命令行直接对shp、geojson等文件进行转换，比如 49 | 50 | ```bash 51 | ~/temp > coord_covert gcj2wgs tests/data/Polyline/polyline.geojson aa.geojson 52 | 100%|██████████████████████████████████████████████████████| 219/219 [00:00<00:00, 550.93it/s] 53 | ``` 54 | 55 | 更详细的用法： 56 | ``` 57 | convert input china coordinate to another. 58 | 59 | Arguments: 60 | convert_type {string} -- [coordinate convert type, e.g. wgs2bd] 61 | 62 | wgs2gcj : convert WGS-84 to GCJ-02 63 | wgs2bd : convert WGS-84 to DB-09 64 | gcj2wgs : convert GCJ-02 to WGS-84 65 | gcj2bd : convert GCJ-02 to BD-09 66 | bd2wgs : convert BD-09 to WGS-84 67 | bd2gcj : convert BD-09 to GCJ-02 68 | 69 | src_path {string} -- [source file path] 70 | dst_path {string} -- [destination file path] 71 | 72 | 73 | Example: 74 | coord_covert wgs2gcj ./tests/data/polygon/polygon_wgs.shp ~/temp/polygon_gcj.shp 75 | 76 | ``` 77 | -------------------------------------------------------------------------------- /coord_convert/transform.py: -------------------------------------------------------------------------------- 1 | # -*- coding: utf-8 -*- 2 | from math import sin, cos, sqrt, fabs, atan2 3 | from math import pi as PI 4 | 5 | 6 | # define ellipsoid 7 | a = 6378245.0 8 | f = 1 / 298.3 9 | b = a * (1 - f) 10 | ee = 1 - (b * b) / (a * a) 11 | 12 | 13 | def outOfChina(lng, lat): 14 | """check weather lng and lat out of china 15 | 16 | Arguments: 17 | lng {float} -- longitude 18 | lat {float} -- latitude 19 | 20 | Returns: 21 | Bollen -- True or False 22 | """ 23 | return not (72.004 <= lng <= 137.8347 and 0.8293 <= lat <= 55.8271) 24 | 25 | 26 | def transformLat(x, y): 27 | ret = -100.0 + 2.0 * x + 3.0 * y + 0.2 * y * y + 0.1 * x * y + 0.2 * sqrt(fabs(x)) 28 | ret = ret + (20.0 * sin(6.0 * x * PI) + 20.0 * sin(2.0 * x * PI)) * 2.0 / 3.0 29 | ret = ret + (20.0 * sin(y * PI) + 40.0 * sin(y / 3.0 * PI)) * 2.0 / 3.0 30 | ret = ret + (160.0 * sin(y / 12.0 * PI) + 320.0 * sin(y * PI / 30.0)) * 2.0 / 3.0 31 | return ret 32 | 33 | 34 | def transformLon(x, y): 35 | ret = 300.0 + x + 2.0 * y + 0.1 * x * x + 0.1 * x * y + 0.1 * sqrt(fabs(x)) 36 | ret = ret + (20.0 * sin(6.0 * x * PI) + 20.0 * sin(2.0 * x * PI)) * 2.0 / 3.0 37 | ret = ret + (20.0 * sin(x * PI) + 40.0 * sin(x / 3.0 * PI)) * 2.0 / 3.0 38 | ret = ret + (150.0 * sin(x / 12.0 * PI) + 300.0 * sin(x * PI / 30.0)) * 2.0 / 3.0 39 | return ret 40 | 41 | 42 | def wgs2gcj(wgsLon, wgsLat): 43 | """wgs coord to gcj 44 | 45 | Arguments: 46 | wgsLon {float} -- lon 47 | wgsLat {float} -- lat 48 | 49 | Returns: 50 | tuple -- gcj coords 51 | """ 52 | 53 | if outOfChina(wgsLon, wgsLat): 54 | return wgsLon, wgsLat 55 | dLat = transformLat(wgsLon - 105.0, wgsLat - 35.0) 56 | dLon = transformLon(wgsLon - 105.0, wgsLat - 35.0) 57 | radLat = wgsLat / 180.0 * PI 58 | magic = sin(radLat) 59 | magic = 1 - ee * magic * magic 60 | sqrtMagic = sqrt(magic) 61 | dLat = (dLat * 180.0) / ((a * (1 - ee)) / (magic * sqrtMagic) * PI) 62 | dLon = (dLon * 180.0) / (a / sqrtMagic * cos(radLat) * PI) 63 | gcjLat = wgsLat + dLat 64 | gcjLon = wgsLon + dLon 65 | return (gcjLon, gcjLat) 66 | 67 | 68 | def gcj2wgs(gcjLon, gcjLat): 69 | g0 = (gcjLon, gcjLat) 70 | w0 = g0 71 | g1 = wgs2gcj(w0[0], w0[1]) 72 | # w1 = w0 - (g1 - g0) 73 | w1 = tuple(map(lambda x: x[0]-(x[1]-x[2]), zip(w0,g1,g0))) 74 | # delta = w1 - w0 75 | delta = tuple(map(lambda x: x[0] - x[1], zip(w1, w0))) 76 | while (abs(delta[0]) >= 1e-6 or abs(delta[1]) >= 1e-6): 77 | w0 = w1 78 | g1 = wgs2gcj(w0[0], w0[1]) 79 | # w1 = w0 - (g1 - g0) 80 | w1 = tuple(map(lambda x: x[0]-(x[1]-x[2]), zip(w0,g1,g0))) 81 | # delta = w1 - w0 82 | delta = tuple(map(lambda x: x[0] - x[1], zip(w1, w0))) 83 | return w1 84 | 85 | 86 | def gcj2bd(gcjLon, gcjLat): 87 | z = sqrt(gcjLon * gcjLon + gcjLat * gcjLat) + 0.00002 * sin(gcjLat * PI * 3000.0 / 180.0) 88 | theta = atan2(gcjLat, gcjLon) + 0.000003 * cos(gcjLon * PI * 3000.0 / 180.0) 89 | bdLon = z * cos(theta) + 0.0065 90 | bdLat = z * sin(theta) + 0.006 91 | return (bdLon, bdLat) 92 | 93 | 94 | def bd2gcj(bdLon, bdLat): 95 | x = bdLon - 0.0065 96 | y = bdLat - 0.006 97 | z = sqrt(x * x + y * y) - 0.00002 * sin(y * PI * 3000.0 / 180.0) 98 | theta = atan2(y, x) - 0.000003 * cos(x * PI * 3000.0 / 180.0) 99 | gcjLon = z * cos(theta) 100 | gcjLat = z * sin(theta) 101 | return (gcjLon, gcjLat) 102 | 103 | 104 | def wgs2bd(wgsLon, wgsLat): 105 | gcj = wgs2gcj(wgsLon, wgsLat) 106 | return gcj2bd(gcj[0], gcj[1]) 107 | 108 | 109 | def bd2wgs(bdLon, bdLat): 110 | gcj = bd2gcj(bdLon, bdLat) 111 | return gcj2wgs(gcj[0], gcj[1]) 112 | 113 | 114 | class Transform(): 115 | 116 | def transformLat(self, x, y): 117 | return transformLat(x, y) 118 | 119 | def transformLon(self, x, y): 120 | return transformLon(x, y) 121 | 122 | def wgs2gcj(self, wgsLon, wgsLat): 123 | return wgs2gcj(wgsLon, wgsLat) 124 | 125 | def gcj2wgs(self, gcjLon, gcjLat): 126 | return gcj2wgs(gcjLon, gcjLat) 127 | 128 | def gcj2bd(self, gcjLon, gcjLat): 129 | return gcj2bd(gcjLon, gcjLat) 130 | 131 | def bd2gcj(self, bdLon, bdLat): 132 | return bd2gcj(bdLon, bdLat) 133 | 134 | def wgs2bd(self, wgsLon, wgsLat): 135 | return wgs2bd(wgsLon, wgsLat) 136 | 137 | def bd2wgs(self, bdLon, bdLat): 138 | return bd2wgs(bdLon, bdLat) 139 | -------------------------------------------------------------------------------- /tests/data/polygon/polygon.geojson: -------------------------------------------------------------------------------- 1 | { 2 | "type": "FeatureCollection", 3 | "name": "polygon", 4 | "crs": { "type": "name", 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