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cesium-wind's Introduction

这种实现方式效率太低了

This implementation is too inefficient

cesium-wind

implement dynamic wind in Cesium

示例

格网风场

数据源

你从index.js中可以看到我使用的是uvwind_d01.json数据。 数据可以按照你的方式进行组织,只要方便读取,我只解释下这个数据的格式。

风场数据由风速X分量和Y分量组成,每个分量格式都是一致的:

  • data (Array) 当前分量每个格点的风速大小(m/s)。

  • header (Object) 描述风场信息是如何组织的

  • meta (Object) 描述风场的一些基本信息,如日期等。

方法

总结

目前在Cesium中实现动态风场,使用Cesium.PolylineGeometry几何元素进行模拟,效果仍然不满意,应该有更好的方法。

cesium-wind's People

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cesium-wind's Issues

vue中使用cesium-vue

我用vue搭建的cesium项目,运用你的cesium-wind时,提示Cesium未定义,我把Cesium引入也不行,不知道怎么解决?

数据格式是什么意思啊

那个json数据里面的数据格式是自己定义的么,还是从哪里找的,是自己的话,是什么意思啊?

我在运行时报了一个错误

qq 20180429154356

DeveloperError: Appearance/Geometry mismatch. The appearance requires vertex shader attribute input 'prevPosition2DHigh', which was not computed as part of the Geometry. Use the appearance's vertexFormat property when constructing the geometry.

请问这是渲染时出的错吗,初学者,望大神能够解惑,万分感谢

运行不出来诶

Hello,想问一下这个代码可以直接运行吗?而且我不是很懂,src下面的index.html里只加载了一些cesium的控件,风场轨迹的js文件都没有引呀。

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