topic Re: Aggregate Rasters with Python? in Geoprocessing Questions https://community.esri.com/t5/geoprocessing-questions/aggregate-rasters-with-python/m-p/428431#M14393 <HTML><HEAD></HEAD><BODY><P>You can use timedelta to calculate the date based on the daynumber in a year as explained here:</P><P><A class="link-titled" href="http://stackoverflow.com/questions/17216169/convert-julian-day-into-date" title="http://stackoverflow.com/questions/17216169/convert-julian-day-into-date">python - Convert julian day into date - Stack Overflow</A>&nbsp;</P></BODY></HTML> Wed, 14 Sep 2016 17:17:01 GMT XanderBakker 2016-09-14T17:17:01Z Aggregate Rasters with Python? https://community.esri.com/t5/geoprocessing-questions/aggregate-rasters-with-python/m-p/428430#M14392 <HTML><HEAD></HEAD><BODY><P>Hi!&nbsp;</P><P></P><P>I'm trying to aggregate daily rasters into monthly rasters. I wanted to use a wildcard, however, the date values of these rasters are in Day of Julian Calendar Year.&nbsp;</P><P></P><P>Usually, I do two for loops:&nbsp;</P><P></P><P>for year in range(2000, 2016): &nbsp;#years of models 2000-2015</P><P>&nbsp; &nbsp;for month in range(1,13): #calendar months 1-12</P><P></P><P>Ex: ModelV3_2014001, ModelV3_2014002</P><P>However, since the file names have the DOY instead of the month, how would I address this issue?</P><P></P><P>Any suggestions or help would be greatly appreciated!&nbsp;</P><P>Many thanks!&nbsp;</P></BODY></HTML> Wed, 14 Sep 2016 16:52:28 GMT https://community.esri.com/t5/geoprocessing-questions/aggregate-rasters-with-python/m-p/428430#M14392 NMWater 2016-09-14T16:52:28Z Re: Aggregate Rasters with Python? https://community.esri.com/t5/geoprocessing-questions/aggregate-rasters-with-python/m-p/428431#M14393 <HTML><HEAD></HEAD><BODY><P>You can use timedelta to calculate the date based on the daynumber in a year as explained here:</P><P><A class="link-titled" href="http://stackoverflow.com/questions/17216169/convert-julian-day-into-date" title="http://stackoverflow.com/questions/17216169/convert-julian-day-into-date">python - Convert julian day into date - Stack Overflow</A>&nbsp;</P></BODY></HTML> Wed, 14 Sep 2016 17:17:01 GMT https://community.esri.com/t5/geoprocessing-questions/aggregate-rasters-with-python/m-p/428431#M14393 XanderBakker 2016-09-14T17:17:01Z