本文主要是介绍基于arcpy api的RPC校正,希望对大家解决编程问题提供一定的参考价值,需要的开发者们随着小编来一起学习吧!
本文是来填坑的,之前写的RPC的基本原理,从底层写RPC校正还是很有难度的,目前为了快速的工程化,先写了一个基于arcpy中RPC校正的脚本。
核心代码如下:
import os
import arcpydef OrthoCorrected(in_ras, out_ras_path):'''Incorporates elevation data and image metadata to accurately line up imagery.:param in_ras: Select the raster dataset that you want to orthorectify. The raster must have rational polynomial coefficients (RPCs) in its metadata.:param out_ras_path: The output path:return: None'''script_path = os.path.split(os.path.realpath(__file__))[0]dem_path = os.path.join(script_path,"GMTED2km.tif")in_ras_path = os.path.split(in_ras)out_ras = os.path.join(out_ras_path, in_ras_path[1][:-5]+'_rpc.tif')arcpy.CreateOrthoCorrectedRasterDataset_management(in_ras, out_ras, "DEM", "#", dem_path, "#", "#", "GEOID")
前文:RPC基础原理
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