Function: mouseleftclick add point, and right delete, read from a file
to start, about will show version.
add convert() and reconvert() function to use for locate points when
display on screen
move eventfilter from mainwidow to drawwidget, add connect.
add wheel zoom, improve point delete
ready to change to double
OK, now the points' information is double type, and can be changed
easily
fix bugs, which will force double to int, cause big error
delete test file
perfect running move points.
make big change to use same graph process, which will more easy to find
mistake and correct.
correct many bugs in sdk RMST algrothm, now it has been corrected.
now mouse function is all right, start to small map.
make it easy for preparing mapwidget.
i realize the map, but the ui is so ugly. i will make it better
changePoint() function add to speed up, QFile is used to system-crossed,
now a singal point can be display
now add point, but not run correct
now the add point module is correct, start to modify map.
now the map is more beautiful, and more easy to read.
the end of this project
fix a small bug