creates hatched fill classes for svg polygons to be used with Leaflet

see in example.html

• include leaflet-hatchclass.js
• create hatch filled CSS classes using the L.hatchClass() function
• pass the resulting class names in the styling function to className property of features

L.hatchClass(<Array>colors, <Number>strokeWidth, <Number>angle)

• colors: array of CSS colors or array of { color, width } objects. Default: ['black', 'white']
• strokeWidth: in pixels; defaults to 6
• angle: in degrees; defaults to 45

https://samanbey.github.io/leaflet-hatchclass/example.html