Manually taking oblique images with R10C and Site Scan Field

Oblique images can be used standalone or incorporated into the photogrammetry process to include the orthomosaic, mesh, or model that is generated. Nadir imagery is generally not sufficient to build an accurate point cloud of a site that contains vertical surfaces. Site Scan allows you to take oblique images autonomously, however you also have the option of taking oblique images manually.

As previously mentioned, there is no need to acquire these images manually. You can plan out an autonomous “Crosshatch survey” which would also help you complementing the nadir imagery collected using “Area Survey“.

Follow the steps below to acquire oblique images manually :

  1. Set up a “New Survey” from within Site Scan Field.
  2. After you click on the “Fly Survey” button and go through the pre flight checklist, you can take off by sliding the button to the right.
  3. Press “Pause” to pause the survey and “FLY” on the controller to exit Survey Mode and enter Fly Mode. You will see Site Scan Field surface an error.
  4. Fly around manually using the control sticks and gimbal paddle. To take an image, depress the gimbal paddle. Land manually or by pressing the Home button on the controller or within Site Scan Field.
  5. After landing, the images get pulled from the vehicle to the iPad as shown hereNote: the expected number of images will correspond to that expected by the original survey, so you will usually see a “Survey Partially Complete” warning.

  6. Upload the images to Site Scan Manager or view them from within Site Scan Field
  7. Once uploaded to Site Scan Manager, your images can be accessed from any device, can be visualized on a map, and processed into an ortho, mesh, or point cloud using the Autodesk ReCap service that is included with your Site Scan subscription.
  8. To process the job, log into and log in using your Site Scan account and select the desired project from the main page
  9. Once the desired job has been selected, go into the “Job Data” tab –> click on “Process Job” and it will then move it over to “Active Processes” indicating processing has started.
  10. Once it finishes the processing phase, you’ll find the results under “Job Data” along with a link in the far right to download each result.

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