topic Can a python raster function operate on specific layers in a mosaic dataset? in Python Questions https://community.esri.com/t5/python-questions/can-a-python-raster-function-operate-on-specific/m-p/758000#M58511 <HTML><HEAD></HEAD><BODY><P>I'm trying to create a python raster function that would be applied to a mosaic dataset, to do some relatively simple on-the-fly processing and display/output the result.</P><P></P><P>I'm unclear how (or if possible) to pass in specific layers in the mosaic dataset, as a result of either a query on the MD's attribute table, or as a result of specifying the date and dimension - I can (and have) setup the mosaic dataset as multidimensional, with two variables, and time as the dimension. (not sure if that helps or hinders).</P><P></P><P>The .getConfiguration method has an extractBands attribute, that is close to what I want. But the data don't have bands. So perhaps one solution is to setup some sort of dummy band structure, but I think that would get overly complicated to read the data in that way.&nbsp; I'd rather just be able to directly set a query on the mosaic dataset attributes to define the raster layer returned from the MD. Or on the multidimensional variables/dimensions.</P><P></P><P>There's also the selectRasters method, but I don't see much documentation on that...the example just shows it selecting one of two already input/defined rasters: <A href="https://github.com/Esri/raster-functions/wiki/PythonRasterFunction#selectrasters" title="https://github.com/Esri/raster-functions/wiki/PythonRasterFunction#selectrasters">PythonRasterFunction · Esri/raster-functions Wiki · GitHub</A></P><P></P><P>I could also break the mosaic dataset into two separate MDs, one per variable, but I'd still need to select on time...and in this case, I cant just use the time properties to select the time, as I specifically need to access data from both the current day (which could be set using time slider etc) AND the previous day.</P><P></P><P>Is this possible? Or am I on the wrong track here and there's some other better way to go about running a raster function on specific layers (defined by input parameters) in a mosaic dataset?&nbsp; In the end, the idea would be to set this up as a processing template on the mosaic dataset, that a user would then set the parameters for.&nbsp; </P><P></P><P>Thanks in advance for any suggestions.</P></BODY></HTML> Thu, 21 May 2015 19:33:38 GMT DanSlayback 2015-05-21T19:33:38Z Can a python raster function operate on specific layers in a mosaic dataset? https://community.esri.com/t5/python-questions/can-a-python-raster-function-operate-on-specific/m-p/758000#M58511 <HTML><HEAD></HEAD><BODY><P>I'm trying to create a python raster function that would be applied to a mosaic dataset, to do some relatively simple on-the-fly processing and display/output the result.</P><P></P><P>I'm unclear how (or if possible) to pass in specific layers in the mosaic dataset, as a result of either a query on the MD's attribute table, or as a result of specifying the date and dimension - I can (and have) setup the mosaic dataset as multidimensional, with two variables, and time as the dimension. (not sure if that helps or hinders).</P><P></P><P>The .getConfiguration method has an extractBands attribute, that is close to what I want. But the data don't have bands. So perhaps one solution is to setup some sort of dummy band structure, but I think that would get overly complicated to read the data in that way.&nbsp; I'd rather just be able to directly set a query on the mosaic dataset attributes to define the raster layer returned from the MD. Or on the multidimensional variables/dimensions.</P><P></P><P>There's also the selectRasters method, but I don't see much documentation on that...the example just shows it selecting one of two already input/defined rasters: <A href="https://github.com/Esri/raster-functions/wiki/PythonRasterFunction#selectrasters" title="https://github.com/Esri/raster-functions/wiki/PythonRasterFunction#selectrasters">PythonRasterFunction · Esri/raster-functions Wiki · GitHub</A></P><P></P><P>I could also break the mosaic dataset into two separate MDs, one per variable, but I'd still need to select on time...and in this case, I cant just use the time properties to select the time, as I specifically need to access data from both the current day (which could be set using time slider etc) AND the previous day.</P><P></P><P>Is this possible? Or am I on the wrong track here and there's some other better way to go about running a raster function on specific layers (defined by input parameters) in a mosaic dataset?&nbsp; In the end, the idea would be to set this up as a processing template on the mosaic dataset, that a user would then set the parameters for.&nbsp; </P><P></P><P>Thanks in advance for any suggestions.</P></BODY></HTML> Thu, 21 May 2015 19:33:38 GMT https://community.esri.com/t5/python-questions/can-a-python-raster-function-operate-on-specific/m-p/758000#M58511 DanSlayback 2015-05-21T19:33:38Z