Openlayer Load offline Baidu map implementation and its problems __ Baidu offline map

openlayer Load offline Baidu map realization and its problems

1. Offline map using slices for the download of too le map downloads, download format for Baidu map slices, download methods can see I wrote before the blog;

2. Use the Baidu API transformation coordinates after positioning North station accurate, use OL API conversion site offset larger, guess is because Baidu map slices also exist migration algorithm problem, please great God advice;

3. Set up a virtual map service path before the blog has been described in detail;

4. Reference materials

Http://www.360doc.com/content/18/0126/16/52383422_725304419.shtml

http://blog.csdn.net/sparkexpert/article/details/53899463

5. The code is as follows;

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