1、前言
在研究ArcGIS API for JavaScript时会遇到这样的问题,比如我们在做缓冲区分析时,用分析的范围作为空间查询query的参数,在执行结果中总是会看到“esri.config.defaults.io.proxyUrl 尚未设置”错误,但是我们手动绘制一个简单多边形作为输入参数则不会出现上述错误。
问题原因:
一般使用框选的时候对query.geometry,
Last week I wrote up a cheat sheet for transitioning from Landsat 7 to Landsat 8 that went into the band specifications and listed some common band compositions. Due to popular demand, I’m going to d
类似上篇博客内容,这次直接对要素属性内容考试编辑import arcpy
from arcpy import env
env.workspace=r”C:UsersyaoDocumentsArcGISDefault.gdb”
print “修改之前:”
Cur=arcpy.SearchCursor(“地级市”,”回族<0.5″)
for row in Cur:
aa = row.ge