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ExternalSoftware Engineering
DEV Community

How barometer.today draws its isobars

barometer.today shows air pressure for any city: the reading now, the change since yesterday, and the week ahead. It also has a world isobar map, animated hour by hour from a day back to four days ahead. This post explains what isobars are and the algorithms that we use to draw them. The code is Python with numpy, scipy, contourpy and shapely, and anyone drawing contour maps from gridded data will meet the same problems. Air pressure varies from place to place, and a weather map shows this wit

programmingwebdev
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ExternalTechnology Trends
The Verge Tech

Audi’s new A2 E-tron is its most affordable and efficient EV yet

When shopping for an electric vehicle, affordability is becoming a more common trait. But affordable and energy efficient is truly a rare breed. Often you have to sacrifice one for the other. Want something affordable? Great, here's a range loser. Want something that goes the distance? Be ready to pay the price. Surprisingly, here comes Audi to split the difference. The German automaker's new A2 E-tron compact crossover is inexpensive, starting at just £32,200 (about $45,000). And it absolutel

The Verge TechRead original

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