<div dir="ltr">I have some aerial images;<div>I created a new raster layer and imported the images named IMG_xxx.JPG</div><div><br></div><div>Watching the shell I get this output:</div><div>Warning 4: Failed to open /usr/share/qgis/resources/data/world_map.gpkg: Permission denied.</div><div><br></div><div>then one of the below messages for each picture that's being imported.<br>proj_concatoperation_get_step_count: Object is not a ConcatenatedOperation<br></div><div><br></div><div>The files are successfully imported though.</div><div><br></div><div>After that I go select misc -> merge; I selected all the layers in the input selection then run the process; here's the output log:</div><div>QGIS version: 3.10.4-A Coruña<br>Qt version: 5.12.8<br>GDAL version: 3.0.4<br>GEOS version: 3.8.0-CAPI-1.13.1 <br>PROJ version: Rel. 6.3.1, February 10th, 2020<br>Processing algorithm…<br>Algorithm 'Merge' starting…<br>Input parameters:<br>{ 'DATA_TYPE' : 5, 'EXTRA' : '', 'INPUT' : ['/home/bb/Pictures/g/100MEDIA/IMG_0563.JPG','/home/bb/Pictures/IMG_0564.JPG','/home/bb/Pictures/IMG_0565.JPG','/home/bb/Pictures/IMG_0566.JPG','/home/bb/Pictures/IMG_0567.JPG','/home/bb/Pictures/IMG_0568.JPG','/home/bb/Pictures/IMG_0569.JPG','/home/bb/Pictures/IMG_0570.JPG','/home/bb/Pictures/IMG_0571.JPG','/home/bb/Pictures/IMG_0572.JPG','/home/bb/Pictures/IMG_0573.JPG','/home/bb/Pictures/IMG_0574.JPG','/home/bb/Pictures/IMG_0575.JPG','/home/bb/Pictures/IMG_0576.JPG','/home/bb/Pictures/IMG_0577.JPG','/home/bb/Pictures/IMG_0578.JPG','/home/bb/Pictures/IMG_0579.JPG','/home/bb/Pictures/IMG_0580.JPG','/home/bb/Pictures/IMG_0581.JPG','/home/bb/Pictures/IMG_0582.JPG','/home/bb/Pictures/IMG_0583.JPG','/home/bb/Pictures/IMG_0584.JPG','/home/bb/Pictures/IMG_0585.JPG','/home/bb/Pictures/IMG_0586.JPG','/home/bb/Pictures/IMG_0587.JPG','/home/bb/Pictures/IMG_0588.JPG','/home/bb/Pictures/IMG_0589.JPG','/home/bb/Pictures/IMG_0590.JPG'], 'NODATA_INPUT' : None, 'NODATA_OUTPUT' : None, 'OPTIONS' : '', 'OUTPUT' : 'TEMPORARY_OUTPUT', 'PCT' : False, 'SEPARATE' : False }<br><br>GDAL command:<br>gdal_merge.py -ot Float32 -of GTiff -o /tmp/processing_1e6f694008d5443481b352b46367bb19/c6d4199e2d3c4023aaf0cef72b6d9d26/OUTPUT.tif --optfile /tmp/processing_1e6f694008d5443481b352b46367bb19/65b50c4c9a7044cfb210b0a46cead53c/mergeInputFiles.txt<br>GDAL command output:<br>0...10...20...30...40...50...60...70...80...90...100 - done.<br><br>Execution completed in 17.24 seconds<br>Results:<br>{'OUTPUT': '/tmp/processing_1e6f694008d5443481b352b46367bb19/c6d4199e2d3c4023aaf0cef72b6d9d26/OUTPUT.tif'}<br><br>Loading resulting layers<br>Algorithm 'Merge' finished<br></div><div><br></div><div>the merged image is a .tiff file that's totally empty</div><div><br></div><div>running file on the tmp file:</div><div>/tmp/processing_1e6f694008d5443481b352b46367bb19/c6d4199e2d3c4023aaf0cef72b6d9d26/OUTPUT.tif: TIFF image data, little-endian, direntries=13, height=3648, bps=170, compression=none, PhotometricIntepretation=BlackIsZero, width=5472<br></div><div><br></div><div>output from the file command for one of the input images:</div><div>file Pictures/IMG_0586.JPG <br>Pictures/IMG_0586.JPG: JPEG image data, Exif standard: [TIFF image data, little-endian, direntries=18, height=3648, bps=866, description=default, manufacturer=Hasselblad, model=L1D-20c, orientation=upper-left, width=5472], baseline, precision 8, 5472x3648, components 3<br></div><div><br></div><div>Is this just an issue with the images or something wrong my steps to create orthomosaic from a series of photos.</div><div><br>Best</div></div>