topic Re: Possible to calculate a raster's standard deviation break values? in Python Questions https://community.esri.com/t5/python-questions/possible-to-calculate-a-raster-s-standard/m-p/538781#M42115 <HTML><HEAD></HEAD><BODY><SPAN>GetRasterProperties_management (in_raster, "STD", {band_index})</SPAN><BR /><SPAN>gives you the Standard Deviation.</SPAN><BR /><BR /><SPAN>GetRasterProperties_management (in_raster, "MEAN", {band_index})</SPAN><BR /><SPAN>gives you the mean.</SPAN><BR /><BR /><SPAN>Similarly, MINIMUM and MAXIMUM returns the range.</SPAN><BR /><BR /><SPAN>The first Standard Deviation should be centered on the Mean: half above and half below.</SPAN><BR /><SPAN>The other breaks are full StdDev steps in each direction, to the end of the range.</SPAN></BODY></HTML> Fri, 01 Feb 2013 12:31:06 GMT markdenil 2013-02-01T12:31:06Z Possible to calculate a raster's standard deviation break values? https://community.esri.com/t5/python-questions/possible-to-calculate-a-raster-s-standard/m-p/538780#M42114 <HTML><HEAD></HEAD><BODY><SPAN>Hello,</SPAN><BR /><BR /><SPAN>I'm trying to reclassify a raster by standard deviation using arcpy.&nbsp; Problem is that when I go to use RemapRange I don't know how to calculate the break values for my new classes.&nbsp; Does anybody know how to get around this?&nbsp; I can access a few raster properties via GetRasterProperties_management(), but I need actual break values before I can reclassify.</SPAN><BR /><BR /><SPAN>arcpy.sa.Reclassify (in_raster, reclass_field, remap, {missing_values})</SPAN><BR /><SPAN>arcpy.sa.RemapRange (remapTable)</SPAN></BODY></HTML> Wed, 30 Jan 2013 14:56:14 GMT https://community.esri.com/t5/python-questions/possible-to-calculate-a-raster-s-standard/m-p/538780#M42114 NickJacob 2013-01-30T14:56:14Z Re: Possible to calculate a raster's standard deviation break values? https://community.esri.com/t5/python-questions/possible-to-calculate-a-raster-s-standard/m-p/538781#M42115 <HTML><HEAD></HEAD><BODY><SPAN>GetRasterProperties_management (in_raster, "STD", {band_index})</SPAN><BR /><SPAN>gives you the Standard Deviation.</SPAN><BR /><BR /><SPAN>GetRasterProperties_management (in_raster, "MEAN", {band_index})</SPAN><BR /><SPAN>gives you the mean.</SPAN><BR /><BR /><SPAN>Similarly, MINIMUM and MAXIMUM returns the range.</SPAN><BR /><BR /><SPAN>The first Standard Deviation should be centered on the Mean: half above and half below.</SPAN><BR /><SPAN>The other breaks are full StdDev steps in each direction, to the end of the range.</SPAN></BODY></HTML> Fri, 01 Feb 2013 12:31:06 GMT https://community.esri.com/t5/python-questions/possible-to-calculate-a-raster-s-standard/m-p/538781#M42115 markdenil 2013-02-01T12:31:06Z Re: Possible to calculate a raster's standard deviation break values? https://community.esri.com/t5/python-questions/possible-to-calculate-a-raster-s-standard/m-p/538782#M42116 <HTML><HEAD></HEAD><BODY><SPAN>Thank you!&nbsp; Great answer.</SPAN></BODY></HTML> Fri, 01 Feb 2013 13:20:11 GMT https://community.esri.com/t5/python-questions/possible-to-calculate-a-raster-s-standard/m-p/538782#M42116 NickJacob 2013-02-01T13:20:11Z Re: Possible to calculate a raster's standard deviation break values? https://community.esri.com/t5/python-questions/possible-to-calculate-a-raster-s-standard/m-p/538783#M42117 <HTML><HEAD></HEAD><BODY><SPAN>You can also use the arcpy.Raster object to get all the properties a tad faster.</SPAN><BR /><BR /><SPAN>Check out: </SPAN><A href="http://resources.arcgis.com/en/help/main/10.1/index.html#//018z00000051000000">http://resources.arcgis.com/en/help/main/10.1/index.html#//018z00000051000000</A></BODY></HTML> Fri, 01 Feb 2013 13:23:22 GMT https://community.esri.com/t5/python-questions/possible-to-calculate-a-raster-s-standard/m-p/538783#M42117 AndrewChapkowski 2013-02-01T13:23:22Z