Part 1: Button 1
5 markers, four sides and middle
side marks the middle of middle and side
middle for antipode and four side markers Button 2
Enable perimeter of the four markers by hover Part 2: Button 3
Two markers 200km, circle in middle
Circle click creates 10 markers in perimeter Button 4
300km square with geo location markers Part 3: Button 5
Interactive create area
hover for 100markers and colour shift
hover out for heatmap and reverse colour Button 6
Wind overlay on map Part 4: Button 7
Direction with step markers
Marker show streetview infowindow

Button 1 : auto start just click button 1 , Button 2: works after in antipode

Button 3 : click map for first marker , Button 4 : Click map where to have center of square

Button 5 : Start clicking on the map as points of a polygon , Button 6 : button toggles the overlay

Button 7 : Starts at london , click two points on map to start