1importpickle2importpsycopg23importalphashape4importnumpy as np5importgeopandas as gpd6importmatplotlib.pyplot as plt7fromshapely.geometryimportPoint89#table_exist10deftable_exist(table_name=None, conn=None, cur=None):11try:12cur.execute("select to_regclass("+"\'"+ table_name +"\'"+") is ...
S4:形变区边界提取:在Delaunay三角网的基础上,采用Alphashape算法进行形变区边界线提取。 通过采用上述技术方案,使用Alphashape算法对整体提取的点集进行计算,从而方便整体获得显著形变区域情况,增加了整体的提取速度,且增加了整体的提取精度。 进一步地,所述S2具体步骤为根据S1中得到的PS点进行统计分析,计算形变速率的均值...
1importpickle2importpsycopg23importalphashape4importnumpy as np5importgeopandas as gpd6importmatplotlib.pyplot as plt7fromshapely.geometryimportPoint89#table_exist10deftable_exist(table_name=None, conn=None, cur=None):11try:12cur.execute("select to_regclass("+"\'"+ table_name +"\'"+") is ...