{"id":1802732,"date":"2023-01-09T09:00:15","date_gmt":"2023-01-09T17:00:15","guid":{"rendered":"https:\/\/www.esri.com\/arcgis-blog\/?post_type=blog&p=1802732"},"modified":"2023-01-09T09:04:13","modified_gmt":"2023-01-09T17:04:13","slug":"how-merge-orthomosaics-from-multiple-drone-flights-in-arcgis-pro","status":"publish","type":"blog","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/site-scan\/imagery\/how-merge-orthomosaics-from-multiple-drone-flights-in-arcgis-pro","title":{"rendered":"How to Merge Orthomosaics from Multiple Drone Flights in ArcGIS Pro"},"author":314032,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_searchwp_excluded":""},"categories":[615021,22931,22771],"tags":[766002,30991,115262,25421,759972],"industry":[],"product":[36561,672941],"class_list":["post-1802732","blog","type-blog","status-publish","format-standard","hentry","category-aec","category-imagery","category-natural-resources","tag-drone-imagery","tag-drones","tag-imagery","tag-mosaic-dataset","tag-site-scan","product-arcgis-pro","product-site-scan"],"acf":{"authors":[{"ID":314032,"user_firstname":"Chad","user_lastname":"Lopez","nickname":"CLopez","user_nicename":"clopez","display_name":"Chad Lopez","user_email":"CLopez@esri.com","user_url":"","user_registered":"2022-06-28 20:07:35","user_description":"Chad Lopez works within Esri's Imagery and Remote Sensing team specializing in drone solutions. Chad has worked at Esri since 2018 and holds a GIS Professional Certification (GISP), a Part 107 Remote Pilot Certificate, and a Master of Science in GIS from the University of Redlands. Chad also teaches GIS part time at several higher education institutions in Southern California. Chad is based in Esri's Redlands, California office.","user_avatar":""},{"ID":324552,"user_firstname":"Coty","user_lastname":"Welch","nickname":"CWelch","user_nicename":"cwelch","display_name":"Coty Welch","user_email":"CWelch@esri.com","user_url":"","user_registered":"2022-12-21 19:26:07","user_description":"Coty is a Senior Solution Engineer based out of Charlotte, North Carolina and focuses on imagery and various collection methods. Holding a Master's Degree in Geospatial Science and Technology from North Carolina State University, Coty focuses in Drone workflows and leveraging the ArcGIS Imagery Stack to derive meaningful information.","user_avatar":""}],"related_articles":"","short_description":"In this article we will walk through how to merge orthomosaics from multiple flights into a single image. ","flexible_content":[{"acf_fc_layout":"content","content":"

Creating a Merged Orthomosaic<\/h2>\n

Orthomosaics are some of the most important imagery products that are derived from your drone collects. They serve as the culmination of all your flying and provide a valuable and accurate representation of your collection. Site Scan allows you to process orthomosaics from multiple flights simultaneously in the cloud. But, because you collect at different times or because the area is too large you may be left with multiple separate orthomosaics that should fit together like puzzle pieces, giving you a complete picture of your project, land, or assets. Subsequently, ArcGIS Pro allows you to assemble these pieces together to create one authoritative, seamless and unifying orthomosaic. In this article, we will walk through how you can use ArcGIS Pro to create a merged orthomosaic from multiple drone collections. We can also apply this process to other types of imagery.<\/p>\n"},{"acf_fc_layout":"content","content":"

Creating a Mosaic Dataset<\/h2>\n

Our example uses four orthomosaics derived from four flights along a coast. We downloaded them locally to our machine from Site Scan. The first step to merge orthomosaics will be creating a mosaic dataset. If you are unfamiliar with mosaic datasets they are used to manage, display, analyze, serve, and share imagery and raster data. When you create a new mosaic dataset, it is created as an empty container in the geodatabase with some default properties to which you can add raster data. You can learn more about them here<\/a>. John Nelson also has a great video explaining other mosaic dataset workflows here<\/a>.<\/p>\n"},{"acf_fc_layout":"content","content":"

1. We will first add our orthomosaics into ArcGIS Pro by creating a folder connection. From the Catalog pane right click<\/span><\/p>\n

2. Select\u00a0<\/span>Add Folder Connection.\u00a0<\/span><\/strong>Next, navigate to the folder where your orthomosaics are stored locally, select the folder, and click<\/span><\/p>\n

3. From the folder each orthomosaic can be dragged and dropped into the map. ArcGIS Pro could prompt you to build pyramids. If so select \u201cyes\u201d which will optimize your image\u2019s performance.<\/span><\/p>\n"},{"acf_fc_layout":"image","image":{"ID":1802742,"id":1802742,"title":"Individual orthomosaics brought into ArcGIS Pro.","filename":"2022-12-14_09-27-00.jpg","filesize":348142,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-27-00.jpg","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/site-scan\/imagery\/how-merge-orthomosaics-from-multiple-drone-flights-in-arcgis-pro\/2022-12-14_09-27-00","alt":"Individual orthomosaics brought into ArcGIS Pro.","author":"314032","description":"Individual orthomosaics brought into ArcGIS Pro.","caption":"Individual orthomosaics brought into ArcGIS Pro.","name":"2022-12-14_09-27-00","status":"inherit","uploaded_to":1802732,"date":"2022-12-21 19:24:48","modified":"2022-12-21 19:25:51","menu_order":0,"mime_type":"image\/jpeg","type":"image","subtype":"jpeg","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":1920,"height":1050,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-27-00-213x200.jpg","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-27-00.jpg","medium-width":464,"medium-height":254,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-27-00.jpg","medium_large-width":768,"medium_large-height":420,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-27-00.jpg","large-width":1920,"large-height":1050,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-27-00-1536x840.jpg","1536x1536-width":1536,"1536x1536-height":840,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-27-00.jpg","2048x2048-width":1920,"2048x2048-height":1050,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-27-00-826x452.jpg","card_image-width":826,"card_image-height":452,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-27-00.jpg","wide_image-width":1920,"wide_image-height":1050}},"image_position":"center","orientation":"horizontal","hyperlink":""},{"acf_fc_layout":"content","content":"

4.\u00a0We now need to validate that each orthomosaic is consistent and standardized before processing. We can do this by examining raster properties and checking that Band Count and Pixel Depth is the same for each mission. This can be done by, right-clicking a raster in\u00a0<\/span>Contents > Properties >Source<\/span><\/strong>. In our case, the imagery has 4 bands and the pixel depth is 8-bit unsigned. These values will be used as inputs when creating the mosaic dataset.<\/span><\/p>\n

 <\/p>\n

<\/h2>\n"},{"acf_fc_layout":"image","image":{"ID":1802752,"id":1802752,"title":"Fields to validate the orthomosaic.","filename":"2022-12-14_09-51-27.jpg","filesize":416973,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-51-27.jpg","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/site-scan\/imagery\/how-merge-orthomosaics-from-multiple-drone-flights-in-arcgis-pro\/2022-12-14_09-51-27","alt":"Fields to validate the orthomosaic.","author":"314032","description":"Fields to validate the orthomosaic. Here we are looking at the number of bands and pixel depth.","caption":"Fields to validate the orthomosaic. Here we are looking at the number of bands and pixel depth.","name":"2022-12-14_09-51-27","status":"inherit","uploaded_to":1802732,"date":"2022-12-21 19:29:23","modified":"2022-12-21 19:30:52","menu_order":0,"mime_type":"image\/jpeg","type":"image","subtype":"jpeg","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":1920,"height":1050,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-51-27-213x200.jpg","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-51-27.jpg","medium-width":464,"medium-height":254,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-51-27.jpg","medium_large-width":768,"medium_large-height":420,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-51-27.jpg","large-width":1920,"large-height":1050,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-51-27-1536x840.jpg","1536x1536-width":1536,"1536x1536-height":840,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-51-27.jpg","2048x2048-width":1920,"2048x2048-height":1050,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-51-27-826x452.jpg","card_image-width":826,"card_image-height":452,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-51-27.jpg","wide_image-width":1920,"wide_image-height":1050}},"image_position":"center","orientation":"horizontal","hyperlink":""},{"acf_fc_layout":"content","content":"

5. To create the mosaic dataset we can click the drop-down under \u201cDatabases\u201d and then right-click the geodatabase (.gbd) where we would like to store the mosaic dataset. Then click\u00a0<\/span>New > Mosaic Dataset<\/span><\/strong>.<\/span><\/p>\n"},{"acf_fc_layout":"image","image":{"ID":1802762,"id":1802762,"title":"Creating a new mosaic dataset from the Catalog.","filename":"2022-12-14_09-27-19.jpg","filesize":400486,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-27-19.jpg","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/site-scan\/imagery\/how-merge-orthomosaics-from-multiple-drone-flights-in-arcgis-pro\/2022-12-14_09-27-19","alt":"Creating a new mosaic dataset from the Catalog.","author":"314032","description":"Creating a new mosaic dataset from the Catalog.","caption":"Creating a new mosaic dataset from the Catalog.","name":"2022-12-14_09-27-19","status":"inherit","uploaded_to":1802732,"date":"2022-12-21 19:31:48","modified":"2022-12-21 19:33:43","menu_order":0,"mime_type":"image\/jpeg","type":"image","subtype":"jpeg","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":1920,"height":1050,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-27-19-213x200.jpg","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-27-19.jpg","medium-width":464,"medium-height":254,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-27-19.jpg","medium_large-width":768,"medium_large-height":420,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-27-19.jpg","large-width":1920,"large-height":1050,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-27-19-1536x840.jpg","1536x1536-width":1536,"1536x1536-height":840,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-27-19.jpg","2048x2048-width":1920,"2048x2048-height":1050,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-27-19-826x452.jpg","card_image-width":826,"card_image-height":452,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-27-19.jpg","wide_image-width":1920,"wide_image-height":1050}},"image_position":"center","orientation":"horizontal","hyperlink":""},{"acf_fc_layout":"content","content":"

6. This opens the \u201cCreate Mosaic Dataset\u201d geoprocessing tool. Input a name. Select the coordinate system you would like to use. Set the Number of Bands and Pixel Type to be consistent with your imagery. Click\u00a0Run<\/strong><\/p>\n"},{"acf_fc_layout":"image","image":{"ID":1802772,"id":1802772,"title":"Create Mosaic Dataset menu.","filename":"Create-a-mosaic-dataset-menu-cropped.jpg","filesize":61628,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/Create-a-mosaic-dataset-menu-cropped.jpg","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/site-scan\/imagery\/how-merge-orthomosaics-from-multiple-drone-flights-in-arcgis-pro\/create-a-mosaic-dataset-menu-cropped","alt":"Create Mosaic Dataset menu.","author":"314032","description":"Create Mosaic Dataset menu.","caption":"Create Mosaic Dataset menu.","name":"create-a-mosaic-dataset-menu-cropped","status":"inherit","uploaded_to":1802732,"date":"2022-12-21 19:37:03","modified":"2022-12-21 19:37:57","menu_order":0,"mime_type":"image\/jpeg","type":"image","subtype":"jpeg","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":321,"height":449,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/Create-a-mosaic-dataset-menu-cropped-213x200.jpg","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/Create-a-mosaic-dataset-menu-cropped.jpg","medium-width":187,"medium-height":261,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/Create-a-mosaic-dataset-menu-cropped.jpg","medium_large-width":321,"medium_large-height":449,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/Create-a-mosaic-dataset-menu-cropped.jpg","large-width":321,"large-height":449,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/Create-a-mosaic-dataset-menu-cropped.jpg","1536x1536-width":321,"1536x1536-height":449,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/Create-a-mosaic-dataset-menu-cropped.jpg","2048x2048-width":321,"2048x2048-height":449,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/Create-a-mosaic-dataset-menu-cropped.jpg","card_image-width":321,"card_image-height":449,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/Create-a-mosaic-dataset-menu-cropped.jpg","wide_image-width":321,"wide_image-height":449}},"image_position":"center","orientation":"horizontal","hyperlink":""},{"acf_fc_layout":"content","content":"

7. Now we will add the orthomosaics to the newly created and empty mosaic dataset. Right-click the mosaic dataset in the .gdb and select \u201cAdd Rasters\u201d<\/span><\/p>\n

8. This opens the \u201cAdd Rasters To Mosaic Dataset\u201d geoprocessing tool. For the raster type select \u201cRaster Dataset. \u201d Leave the processing template as default. Input the orthomosaics into the \u201cInput Data\u201d field. We can add rasters individually or if all of the rasters are in the same folder we can select the folder to add all of the rasters to the mosaic dataset. Lastly, under \u201cRaster Processing\u201d check the boxes to Calculate Statistics and Build Raster Pyramids for consistent and fast rendering. Click Run.<\/strong><\/span><\/p>\n"},{"acf_fc_layout":"image","image":{"ID":1802782,"id":1802782,"title":"Add Rasters to Mosaic Dataset menu.","filename":"2022-12-14_09-28-48.jpg","filesize":93224,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-28-48.jpg","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/site-scan\/imagery\/how-merge-orthomosaics-from-multiple-drone-flights-in-arcgis-pro\/2022-12-14_09-28-48","alt":"Add Rasters to Mosaic Dataset menu.","author":"314032","description":"Add Rasters to Mosaic Dataset menu.","caption":"Add Rasters to Mosaic Dataset menu.","name":"2022-12-14_09-28-48","status":"inherit","uploaded_to":1802732,"date":"2022-12-21 19:39:58","modified":"2022-12-21 19:40:51","menu_order":0,"mime_type":"image\/jpeg","type":"image","subtype":"jpeg","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":320,"height":863,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-28-48-213x200.jpg","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-28-48.jpg","medium-width":97,"medium-height":261,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-28-48.jpg","medium_large-width":320,"medium_large-height":863,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-28-48.jpg","large-width":320,"large-height":863,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-28-48.jpg","1536x1536-width":320,"1536x1536-height":863,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-28-48.jpg","2048x2048-width":320,"2048x2048-height":863,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-28-48-172x465.jpg","card_image-width":172,"card_image-height":465,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-28-48.jpg","wide_image-width":320,"wide_image-height":863}},"image_position":"center","orientation":"horizontal","hyperlink":""},{"acf_fc_layout":"content","content":"

Working with the Mosaic Dataset<\/h2>\n

Now that we created the mosaic dataset and added the rasters we can see the footprints of each raster in bright green plus a black box representing the 4th band. Masking allows us to visualize only the RGB bands and exclude the no-data values.<\/span><\/p>\n

    \n
  1. We need to mask the 4th band. To do so right-click the mosaic dataset in the table of contents > Symbology > Mask > Check the box<\/span><\/li>\n<\/ol>\n"},{"acf_fc_layout":"image","image":{"ID":1802892,"id":1802892,"title":"Applying a mask.","filename":"GIF_orth.gif","filesize":2819736,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/GIF_orth.gif","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/site-scan\/imagery\/how-merge-orthomosaics-from-multiple-drone-flights-in-arcgis-pro\/gif_orth","alt":"Applying a mask.","author":"314032","description":"Applying a mask.","caption":"Applying a mask.","name":"gif_orth","status":"inherit","uploaded_to":1802732,"date":"2022-12-21 20:24:22","modified":"2022-12-21 20:26:17","menu_order":0,"mime_type":"image\/gif","type":"image","subtype":"gif","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":1920,"height":1080,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/GIF_orth-213x200.gif","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/GIF_orth.gif","medium-width":464,"medium-height":261,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/GIF_orth.gif","medium_large-width":768,"medium_large-height":432,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/GIF_orth.gif","large-width":1920,"large-height":1080,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/GIF_orth-1536x864.gif","1536x1536-width":1536,"1536x1536-height":864,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/GIF_orth.gif","2048x2048-width":1920,"2048x2048-height":1080,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/GIF_orth-826x465.gif","card_image-width":826,"card_image-height":465,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/GIF_orth-1920x1080.gif","wide_image-width":1920,"wide_image-height":1080}},"image_position":"center","orientation":"horizontal","hyperlink":""},{"acf_fc_layout":"content","content":"

    2. Now we can see that the images overlap. However, there are still large footprints that do not fit the coverage of the imagery. We can update the footprint to the extent of the imagery with the \u201cBuild Footprints\u201d geoprocessing tool. We can access the “Build Footprints” geoprocessing tool by searching for it in the geoprocessing pane. For the Mosaic Dataset dropdown select the mosaic dataset we created and then leave the rest of the defaults as they will work for this example. Click\u00a0<\/span>Run.<\/span><\/strong><\/p>\n

     <\/p>\n"},{"acf_fc_layout":"image","image":{"ID":1802962,"id":1802962,"title":"Build Footprints menu.","filename":"2022-12-14_09-33-50.jpg","filesize":70035,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-33-50.jpg","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/site-scan\/imagery\/how-merge-orthomosaics-from-multiple-drone-flights-in-arcgis-pro\/2022-12-14_09-33-50","alt":"Build Footprints menu.","author":"314032","description":"Build Footprints menu.","caption":"Build Footprints menu.","name":"2022-12-14_09-33-50","status":"inherit","uploaded_to":1802732,"date":"2022-12-21 20:32:14","modified":"2022-12-21 20:32:50","menu_order":0,"mime_type":"image\/jpeg","type":"image","subtype":"jpeg","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":319,"height":864,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-33-50-213x200.jpg","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-33-50.jpg","medium-width":96,"medium-height":261,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-33-50.jpg","medium_large-width":319,"medium_large-height":864,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-33-50.jpg","large-width":319,"large-height":864,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-33-50.jpg","1536x1536-width":319,"1536x1536-height":864,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-33-50.jpg","2048x2048-width":319,"2048x2048-height":864,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-33-50-172x465.jpg","card_image-width":172,"card_image-height":465,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-33-50.jpg","wide_image-width":319,"wide_image-height":864}},"image_position":"center","orientation":"horizontal","hyperlink":""},{"acf_fc_layout":"content","content":"

    3. The footprints are now updated to fit with the extent of the imagery.<\/p>\n"},{"acf_fc_layout":"content","content":"

    Exporting the Merged Orthomosaic<\/h2>\n

    We now have a seamless mosaic dataset. Next, if we want to work directly with the mosaic dataset, composed of several individual rasters, a best practice would be to \u201c<\/span>Build Overviews<\/span><\/a>\u201d to see the mosaic dataset easily at all scales. However, if we want a single unified orthomosaic that combines each of our orthomosaics we will need to export it from the mosaic dataset as a new raster. We can use the \u201c<\/span>Copy Raster<\/span><\/a>\u201d geoprocessing tool to create a .tif file that is a single raster that matches the source images. \u201cCopy Raster\u201d allows you to export imagery into several image formats with parameters to meet your project requirements.<\/span><\/p>\n"},{"acf_fc_layout":"content","content":"

      \n
    1. Open the \u201cCopy Raster\u201d geoprocessing tool from the Geoprocessing pane. Then, set the input raster as the mosaic dataset. Next, give the output raster file a name. Set the pixel type to be consistent with our starting orthomosaics. In this example, it is 8-bit unsigned. Lastly, set the format, In this case, we selected TIFF format. Click\u00a0<\/span>Run.<\/span><\/strong><\/li>\n<\/ol>\n"},{"acf_fc_layout":"image","image":{"ID":1803032,"id":1803032,"title":"Copy Raster menu","filename":"Copy-Raster-Cropped-1.jpg","filesize":57765,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/Copy-Raster-Cropped-1.jpg","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/site-scan\/imagery\/how-merge-orthomosaics-from-multiple-drone-flights-in-arcgis-pro\/copy-raster-cropped-2","alt":"Copy Raster menu","author":"314032","description":"Copy Raster menu","caption":"Copy Raster menu","name":"copy-raster-cropped-2","status":"inherit","uploaded_to":1802732,"date":"2022-12-21 20:40:40","modified":"2022-12-21 20:41:15","menu_order":0,"mime_type":"image\/jpeg","type":"image","subtype":"jpeg","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":320,"height":474,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/Copy-Raster-Cropped-1-213x200.jpg","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/Copy-Raster-Cropped-1.jpg","medium-width":176,"medium-height":261,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/Copy-Raster-Cropped-1.jpg","medium_large-width":320,"medium_large-height":474,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/Copy-Raster-Cropped-1.jpg","large-width":320,"large-height":474,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/Copy-Raster-Cropped-1.jpg","1536x1536-width":320,"1536x1536-height":474,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/Copy-Raster-Cropped-1.jpg","2048x2048-width":320,"2048x2048-height":474,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/Copy-Raster-Cropped-1-314x465.jpg","card_image-width":314,"card_image-height":465,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/Copy-Raster-Cropped-1.jpg","wide_image-width":320,"wide_image-height":474}},"image_position":"center","orientation":"horizontal","hyperlink":""},{"acf_fc_layout":"content","content":"

      2. We now have a merged orthomosaic, but a final step will allow us to view it at multiple scales. Hence, we can use the \u201cBuild Pyramids<\/a>\u201d geoprocessing tool to update overviews for optimized performance. Open the \u201cBuild Pyramids\u201d tool from the geoprocessing pane.<\/p>\n

       <\/p>\n

      In conclusion, We now have a single unified image from multiple drone flights that we can use for other processes or if project delivery requires it to be in a single image. Additionally, we can use this workflow on any flight type or other rasters we need to merge into a single orthomosaic.<\/p>\n"},{"acf_fc_layout":"image","image":{"ID":1803042,"id":1803042,"title":"Merged orthomosaic.","filename":"2022-12-14_09-47-09.jpg","filesize":342837,"url":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-47-09.jpg","link":"https:\/\/www.esri.com\/arcgis-blog\/products\/site-scan\/imagery\/how-merge-orthomosaics-from-multiple-drone-flights-in-arcgis-pro\/2022-12-14_09-47-09","alt":"merged orthomosaic","author":"314032","description":"Merged Orthomosaic.","caption":"Merged orthomosaic in ArcGIS Pro.","name":"2022-12-14_09-47-09","status":"inherit","uploaded_to":1802732,"date":"2022-12-21 20:44:26","modified":"2022-12-21 23:35:42","menu_order":0,"mime_type":"image\/jpeg","type":"image","subtype":"jpeg","icon":"https:\/\/www.esri.com\/arcgis-blog\/wp-includes\/images\/media\/default.png","width":1920,"height":1050,"sizes":{"thumbnail":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-47-09-213x200.jpg","thumbnail-width":213,"thumbnail-height":200,"medium":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-47-09.jpg","medium-width":464,"medium-height":254,"medium_large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-47-09.jpg","medium_large-width":768,"medium_large-height":420,"large":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-47-09.jpg","large-width":1920,"large-height":1050,"1536x1536":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-47-09-1536x840.jpg","1536x1536-width":1536,"1536x1536-height":840,"2048x2048":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-47-09.jpg","2048x2048-width":1920,"2048x2048-height":1050,"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-47-09-826x452.jpg","card_image-width":826,"card_image-height":452,"wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/2022-12-14_09-47-09.jpg","wide_image-width":1920,"wide_image-height":1050}},"image_position":"center","orientation":"horizontal","hyperlink":""},{"acf_fc_layout":"content","content":"

      Summary<\/h2>\n

      Here are our steps in summary:<\/p>\n

        \n
      1. Add drone derived orthomosaics to ArcGIS Pro.<\/li>\n
      2. Create a mosaic dataset.<\/li>\n
      3. Add orthomosaics to the empty mosaic dataset.<\/li>\n
      4. Set appropriate masking for the mosaic dataset.<\/li>\n
      5. Update footprints to fit the collection of orthomosaics.<\/li>\n
      6. Export the merged orthomosaic from the mosaic dataset.<\/li>\n
      7. Build pyramids for easy viewing.<\/li>\n<\/ol>\n"}],"card_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/2022\/12\/BannerImage.jpg","wide_image":"https:\/\/www.esri.com\/arcgis-blog\/app\/uploads\/1999\/12\/MicrosoftTeams-image-3.jpg"},"yoast_head":"\nHow to Merge Orthomosaics from Multiple Drone Flights<\/title>\n<meta name=\"description\" content=\"In this article we will walk through how to merge orthomosaics from multiple drone flights into a combined orthomosaic.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.esri.com\/arcgis-blog\/products\/site-scan\/imagery\/how-merge-orthomosaics-from-multiple-drone-flights-in-arcgis-pro\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Merge Orthomosaics from Multiple Drone Flights in ArcGIS Pro\" \/>\n<meta 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