Oilslick – an elevation map showing fine detail in terrain

• river-runner

  71 375 7.9 Svelte

  Uses USGS/MERIT Basin data to visualize the path of a rain droplet to its endpoint.

If you didn’t see it a few weeks ago this was submitted to HN:

https://river-runner-global.samlearner.com/

“Drop a raindrop anywhere in the world and watch where it ends up”

https://news.ycombinator.com/item?id=29841737

• terrain

  1 76 10.0 Python

  Generate contours, hillshade, Terrain RGB, slope-angle shading tiles from elevation data.

  

• SurveyJS

  surveyjs.io sponsored

  Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

  

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