主要是交通行业的时空矩阵的3维热力图表达方式，不同检测器与不同时间段的流量作为颜色的第三位导入，热力图调整颜色表达更清晰(mianly used for transportation engineering. It can plot the three dimension of the real traffic situation, including different temporal and spatial. the code also can modify the parameter