"Impact Zone" map visualization

[ephcoding]

highlight impacted areas on the map using linear/radial SVG gradients

<defs> <linearGradient id='SvgMapGradient' gradientUnits='userSpaceOnUse' gradientTransform='rotate(45)' <stop offset='0%' stopColor='#111' /> <stop offset='50%' stopColor='#333' /> <stop offset='60%' stopColor='#f00' /> <stop offset='70%' stopColor='#333' /> <stop offset='100%' stopColor='#111' /> </linearGradient> </defs>