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  HowTo:  Automate the export of rasters from an SDE raster catalog

【相关信息】
Article ID: 40988
Software:
ArcGIS - ArcInfo 10
ArcGIS for Desktop Advanced 10.1
ArcGIS for Desktop Standard 10.1
Platforms:
Windows Server 2003, Vista, Server 2008, Windows 7, Windows 8

【问题描述】
GIS managers and administrators sometimes need to automate the process of exporting rasters from SDE raster catalogs to raster datasets on disk. Instructions provided describe how to do this.
2015-11-27 添加评论
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    【解决方案】
    The below Python script demonstrates how to automate the export of raster datasets from an SDE raster catalog to a raster dataset on disk. The background value is also set to zero in the below script.
    1. Modify the parameters below according to the environment:
    workspace = r"Database Connections\lclinton2_SQL08_R2.sde\sde101.SDE.Prasanta"
    
outras = r"C:\Data\outrasters"

    2. 

    import arcpy, os, string
    

    
def ExtractRasterFromRC(workspace,outras):
    
    
    
    count = arcpy.GetCount_management(workspace)
    
    str_cnt = str(count)
    
    int_cnt = int(str_cnt)
    
      
    
    cnt = 1
    
    while cnt <= int_cnt:
    
        raster = workspace + os.sep + "Raster.OBJECTID=" + str(cnt)
    
        name = "tiff_" + str(cnt) + ".tif"
    
        name_out = outras + os.sep + name
    
        print "Reading {0}".format(raster)
    
        arcpy.CopyRaster_management(raster,name_out,"DEFAULTS","0","0","","","8_BIT_UNSIGNED")
    
        print "Copied {0}".format(name_out)
    
        cnt += 1
    
    
    

    
if __name__=="__main__":
    
    workspace = r"Database Connections\lclinton2_SQL08_R2.sde\sde101.SDE.Prasanta"
    
    outras = r"C:\Data\outrasters"
    
    ExtractRasterFromRC(workspace,outras)


    【创建及修改时间】
    Created: 3/15/2013

    Last Modified: 8/5/2013
    【原文链接】
    http://support.esri.com/en/kno ... 40988
    回复时间：2015-12-04 08:19:47 0 0
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