update readme
clean diff
add data
Update README.md
Update README.md
commit before trim branch
get vertice dist
minor change
add cal area
add 0813 data
minor
create new markup
load user data interface
fix legend update bug
multi vertices diff
add trim / export feature
delete some data
Update README.md
fix minor bug
Merge branch 'master' of https://github.com/erichoco/Palm-Symbol-Analysis

* 'master' of https://github.com/erichoco/Palm-Symbol-Analysis:
  Update README.md