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A comment on Time flies in Google Earth’s biggest update in years. Parent comment

Re:Time flies in Google Earth’s biggest update in years by tppiotrowski on Thursday April 15, 2021 @02:26PM (#26824354)
Visualising the Earth at planet scale is incredible. I was blown away when the first wind map [1] made it's way onto HN almost a decade ago. I always thought of wind being localised but to see all the currents flow across the USA was soooo cool. It's inspired me to work on my own map of live mountain shadows across the Earth (link in my user profile if you're interested)

[1] https://news.ycombinator.com/item?id=3767889

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Re:Time flies in Google Earth’s biggest update in years by folli on Friday April 16, 2021 @05:14AM (#26831483)
Shade map is cool, which data source are you using for the height map? I've been working on something similar (link also in user profile).
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Re:Time flies in Google Earth’s biggest update in years by tppiotrowski on Friday April 16, 2021 @09:27AM (#26833588)
Mapbox free-tier for Digital Elevation Model (DEM) map tiles. suncalc NPM library to calculate the position of the sun. OSM buildings (hopefully) for buildings in urban areas.

Your app looks great. I like the way you visualise twilight/golden hour on your map. There is another project called shadowmap.org you might like.

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Re:Time flies in Google Earth’s biggest update in years by ehershey on Thursday April 15, 2021 @10:31PM (#26828714)
That shade map is awesome!

Does it include buildings? (Could it, if not?) I’ve been dying for this for ages.

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Re:Time flies in Google Earth’s biggest update in years by tppiotrowski on Friday April 16, 2021 @01:14AM (#26829773)
Including buildings in urban areas and choosing a custom date to see how shadows change over the course of the year are next on the backlog. Contact info is in my profile if you want to keep in touch.
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Re:Time flies in Google Earth’s biggest update in years by OrbitRock on Thursday April 15, 2021 @05:15PM (#26826199)
Woah, your shade map is awesome! I was playing around with it for a long time there, lol.
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