(Android and iOS) How to transfer and process images after the mission

Once the images are captured with the app, there are several ways to transfer them to the computer for processing with Pix4D Desktop:

 
Important: Aside from the app, the term Project refers to a Mission meaning to a single project file (.p4d) generated by the app.

 

Option A

From the cloud it is possible to download the images, some outputs, the project file (.p4d) and the results folders from the cloud to a computer.

 
Note: Option A is only possible after synchronizing with the drone and uploading the mission to the cloud. For more information: 204716225 (Android), 204057579 (iOS).

1. Download the files from Pix4D Cloud and open the project with Pix4D Desktop locally. For more information: 115000707003.
2. Once the project is loaded, on the Menu bar, click View > Processing. The Processing bar opens on the bottom of the main window.
3. Ensure that 1. Initial Processing is selected and that 2. Point cloud and Mesh and 3. DSM, Orthomosaic and Index are unselected.
4. Click Start.
5. Analyze the results and further process. For more information: 202557339.

 

Option B

 To copy the images from the device to the computer, the steps are as follows:

 
Note: Option B is only possible after synchronizing with the drone, meaning transferring the images from the drone to the device and generating the .p4d file. For more information: 204716225 (Android), 204057579 (iOS).

 

Procedure with Android

1. Connect the device with a USB cable to the computer.
2. Open the device directory.

2.1. In the Windows File Explorer, click This PC.
2.2. In the section Devices and drives, double click the device.

3. Browse for the Pix4D folder and double click it.

windows_browse_folder.PNG

4. Select the Project_##### folder containing the mission to be copied.
5. Select the desired Mission_#####_#### folder.
6. Each mission folder contains both the .p4d file and a folder data containing the captured images. Copy the images and the .p4d file to the desired location on the computer.

Procedure with iOS

1. Connect the device with a USB cable to the computer.

1.1. The iOS device should ask to trust the computer, click Trust.
1.2. The Mac computer should ask for the permission to access information on the device, click Continue.

2. Launch iTunes. Download the application if needed: https://www.apple.com/itunes/download/.
3. Select the iOS device from the phone icon on the top.



4. On the left sidebar, select Apps and scroll down to the bottom of the window.

iTunes_browse_folder.png

5. In the Apps section, select Pix4Dcapture.
6. A list of the missions is displayed on the right. Select the desired Mission_##### folder and click Save to...

7. Each mission folder contains both the .p4d file and a folder Mission_#####_data containing the captured images. Choose the desired directory on the computer where to copy the folder.

 
Note: There are alternatives to share the mission data without having to connect the device to a computer.
  • (Android) The .p4d file and images can be shared by email or any suitable platform. For more information: 115000292206.
  • (iOS) The .p4d file can be sent by email using a specific option in the app. For more information: 204072489. In this case, the images can extracted from the drone via Option C.


After having transferred the mission folder:

1. Click the .p4d file to open the project with Pix4D Desktop.
2. Once the project is loaded, on the Menu bar, click View > Processing. The Processing bar opens on the bottom of the main window.
3. Ensure that 1. Initial Processing is selected and that 2. Point cloud and Mesh and 3. DSM, Orthomosaic and Index are unselected.
4. Click Start.
5. Analyze the results and further process. For more information: 202557339.

 

Option C

To copy the images from the SD card of the drone/camera or from the internal memory of the drone, no need to perform any post-flight action with the app. For more information: 204911905.

 
Note: Option C is possible in any cases meaning that synchronizing the mission is not required. Option C is an alternative to options A and B.
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