title: Breather category: surface titleCN: Breather scripts:
http://echarts.baidu.com/resource/echarts-gl-latest/dist/echarts-gl.min.js,https://rawgit.com/ecomfe/echarts-gl/master/test/lib/download.js,https://rawgit.com/ecomfe/echarts-gl/master/test/js/exportGL2PLY.js
Breather parametric surface
http://xahlee.info/surface/breather_p/breather_p.html