Processing algorithm… Algorithm 'Merge' starting… Input parameters: { 'DATA_TYPE' : 5, 'INPUT' : ['C:/Users/loren/Giant Files/HEC-RAS Dam Break/Source Data/USGS_NED_one_meter_x46y436_CA_FEMA_R9_Russian_2017_IMG_2018/USGS_NED_one_meter_x46y436_CA_FEMA_R9_Russian_2017_IMG_2018.img','C:/Users/loren/Giant Files/HEC-RAS Dam Break/Source Data/USGS_NED_one_meter_x47y435_CA_FEMA_R9_Russian_2017_IMG_2018/USGS_NED_one_meter_x47y435_CA_FEMA_R9_Russian_2017_IMG_2018.img','C:/Users/loren/Giant Files/HEC-RAS Dam Break/Source Data/USGS_NED_one_meter_x47y436_CA_FEMA_R9_Russian_2017_IMG_2018/USGS_NED_one_meter_x47y436_CA_FEMA_R9_Russian_2017_IMG_2018.img'], 'NODATA_INPUT' : None, 'NODATA_OUTPUT' : None, 'OPTIONS' : '', 'OUTPUT' : 'C:/Users/loren/AppData/Local/Temp/processing_544af2b511d3484ab90a79f29ca1f08b/a380246e366848acbc7f8f9db32b56fc/OUTPUT.tif', 'PCT' : False, 'SEPARATE' : False } GDAL command: cmd.exe /C gdal_merge.bat -ot Float32 -of GTiff -o C:/Users/loren/AppData/Local/Temp/processing_544af2b511d3484ab90a79f29ca1f08b/a380246e366848acbc7f8f9db32b56fc/OUTPUT.tif --optfile C:/Users/loren/AppData/Local/Temp/processing_544af2b511d3484ab90a79f29ca1f08b\mergeInputFiles.txt GDAL command output: 0Traceback (most recent call last): File "C:\OSGEO4~1\bin\gdal_merge.py", line 540, in sys.exit(main()) File "C:\OSGEO4~1\bin\gdal_merge.py", line 526, in main fi.copy_into( t_fh, band, band, nodata ) File "C:\OSGEO4~1\bin\gdal_merge.py", line 270, in copy_into nodata_arg ) File "C:\OSGEO4~1\bin\gdal_merge.py", line 77, in raster_copy m_band ) File "C:\OSGEO4~1\bin\gdal_merge.py", line 131, in raster_copy_with_mask to_write = Numeric.choose( mask_test, (data_src, data_dst) ) File "C:\OSGEO4~1\apps\Python27\lib\site-packages\numpy\core\fromnumeric.py", line 354, in choose return _wrapfunc(a, 'choose', choices, out=out, mode=mode) File "C:\OSGEO4~1\apps\Python27\lib\site-packages\numpy\core\fromnumeric.py", line 57, in _wrapfunc return getattr(obj, method)(*args, **kwds) MemoryError Execution completed in 7.65 seconds Results: {'OUTPUT': } Loading resulting layers Algorithm 'Merge' finished