(Android, iOS) Is the .p4d file required for processing?

There are several options to process images that were captured with the app: From the cloud, the device or the drone's memory. For more information: 214516203.
One option is to use the project file (.p4d) generated by the app after synchronizing the mission. For more information: 204716225 (Android), 204057579 (iOS).

The paragraphs below clarify the use of the .p4d file to process with Pix4D Desktop.

 

Android .p4d file

Processing with or without the .p4d is almost equivalent, meaning it does not significantly impact the reconstruction of the model.

The camera is triggered by a fixed time lapse meaning the images can be very close in terms of visual content like in the corners where the drone slows down. When synchronizing, redundant images are discarded. These images might also be blurry because the drone turns. Therefore, there are more images on the drone’s SD card than on the mobile device and in the .p4d.

Without the .p4d, it is still possible to process the images transferred to the device and those on the drone (after discarding blurry ones). For more information (Options B and C): 214516203.
If necessary the images can be disabled once the project is created: 202560069.

In addition, a default processing area and some processing settings are automatically defined in the .p4d but can still be defined later manually in the software. For more information: 205319155, 202560179.

 

iOS .p4d file

Processing with or without the .p4d is equivalent, meaning it does not impact the reconstruction of the model.

However, a default processing area and some processing settings are automatically defined in the .p4d but can still be defined later manually in the software. For more information: 205319155, 202560179.

 

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