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201908/20190814_01.md

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## PostgreSQL PostGIS 坐标转换项目 - 百度坐标(BD09)、国测局坐标(火星坐标,GCJ02)、和WGS84坐标系之间的转换
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### 作者
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digoal
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### 日期
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2019-08-14
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### 标签
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PostgreSQL , PostGIS , 百度坐标(BD09), 国测局坐标(火星坐标,GCJ02), WGS84坐标系
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----
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## 背景
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分享几个社区小伙伴开源的坐标转换项目。感谢他们。
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1、批量对数据进行加偏到百度坐标,高德谷歌的火星坐标,或者逆向纠偏
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https://github.com/FreeGIS/Postgis_Coordinate_Transform
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2、基于PostgreSQL+PostGIS的坐标转换函数,支持点、线、面的WGS84、GCJ02、BD09坐标互转
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https://github.com/geocompass/pg-coordtransform
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3、一个提供了百度坐标(BD09)、国测局坐标(火星坐标,GCJ02)、和WGS84坐标系之间的转换的工具模块。
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https://github.com/wandergis/coordTransform
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转换前后
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![pic](20190814_01_pic_001.jpg)
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![pic](20190814_01_pic_002.jpg)
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<a rel="nofollow" href="http://info.flagcounter.com/h9V1" ><img src="http://s03.flagcounter.com/count/h9V1/bg_FFFFFF/txt_000000/border_CCCCCC/columns_2/maxflags_12/viewers_0/labels_0/pageviews_0/flags_0/" alt="Flag Counter" border="0" ></a>
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## [digoal's 大量PostgreSQL文章入口](https://github.com/digoal/blog/blob/master/README.md "22709685feb7cab07d30f30387f0a9ae")
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## [免费领取阿里云RDS PostgreSQL实例、ECS虚拟机](https://free.aliyun.com/ "57258f76c37864c6e6d23383d05714ea")
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201908/20190814_01_pic_001.jpg

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201908/20190814_01_pic_002.jpg

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201908/readme.md

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### 文章列表
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----
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##### 20190814_01.md [《PostgreSQL PostGIS 坐标转换项目 - 百度坐标(BD09)、国测局坐标(火星坐标,GCJ02)、和WGS84坐标系之间的转换》](20190814_01.md)
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##### 20190813_01.md [《PostgreSQL Oracle 兼容性之 dump chars's byte stream - decode》](20190813_01.md)
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##### 20190812_02.md [《PostgreSQL 数据库资源限制 + HOOK(limit guc) - 降低攻击伤害、自动SQL优化等》](20190812_02.md)
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##### 20190812_01.md [《chrome清理缓存socket, dns》](20190812_01.md)

README.md

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### 所有文档如下
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----
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##### 201908/20190814_01.md [《PostgreSQL PostGIS 坐标转换项目 - 百度坐标(BD09)、国测局坐标(火星坐标,GCJ02)、和WGS84坐标系之间的转换》](201908/20190814_01.md)
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##### 201908/20190813_01.md [《PostgreSQL Oracle 兼容性之 dump chars's byte stream - decode》](201908/20190813_01.md)
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##### 201908/20190812_02.md [《PostgreSQL 数据库资源限制 + HOOK(limit guc) - 降低攻击伤害、自动SQL优化等》](201908/20190812_02.md)
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##### 201908/20190812_01.md [《chrome清理缓存socket, dns》](201908/20190812_01.md)

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