L7
webgl-dunes
| L7 | webgl-dunes | |
|---|---|---|
| 1 | 1 | |
| 3,484 | 35 | |
| 0.9% | - | |
| 9.5 | 0.0 | |
| 5 days ago | 9 months ago | |
| TypeScript | TypeScript | |
| MIT License | MIT License |
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L7
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Any GIS developers here?
I use Javascript do geospatial data visualization. I recommend learning GIS development through open source。 an open source spatial data visualization engine L7 https://github.com/antvis/L7 welcome star
webgl-dunes
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Rendering dunes terrain in WebGL
To examine how objects are rendered, you can take a look at drawScene() method in DunesRenderer.ts — first we render depth map to texture (this is needed for soft particles), then render on-screen objects in front-to-back order (first closest and largest objects, then distant) to efficiently utilize z-buffer culling. Terrain in the scene is represented as a single square tile. Its polycount is reduced to 31k faces in order not to split geometry and to draw it with a single draw call. This polycount produces a reasonably good quality. However, its area is not quite large enough to create a feel of infinite sand desert — when the camera is placed slightly above terrain boundaries of square terrain its limits are clearly visible:
What are some alternatives?
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TimeChart - An chart library specialized for large-scale time-series data, built on WebGL.
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