leaflet heatmap简单的可视化湖州通话数据 假设数据量很大,没法用浏览器直接绘制热力图,把绘制热力图这一步骤放到线下计算分析。使用Apache Spark并行计算数据之后,再使用Apache Spark绘制热力图,然后用leafletjs加载OpenStreetMap图层和热力图图层,以达到良好的交互效果。现在使用Apache Spark实现绘制,可能是Apache Spark不擅长这方面的计算或者是我没有设计好算法,并行计算的速度比不上单机计算。Apache Spark绘制热力图和计算代码在这 https://github.com/yuanzhaokang/ParallelizeHeatmap.git .
portfolioMy personal portfolio and resume page.
room-sprawlIf you're trying to get out there and contribute to some open source projects but feel a bit intimidated about getting your very first PR, this project might be for you
DrackerAn iOS and React App to track debt and send/receive payments.
naturaljsAdd natural language programming capabilities to javascript
urbitConnects to a running Urbit ship via JavaScript