Pix4Dfields -FAQ

What is Pix4Dfields?

Pix4Dfields is a product by Pix4D. An advanced agriculture mapping software for aerial crop analysis and digital farming. To download the latest version of Pix4Dfields: Download Pix4Dfields. 

How does Pix4Dfields work?

Pix4Dfields uses a direct-to-orthomosaic photogrammetry pipeline optimized for fast processing of smooth terrain from drone imagery. By focusing on this specific domain Pix4Dfields provides high-quality maps processed in a fraction of the time, allowing immediate analysis while still on-site using a laptop computer.

How do I try Pix4Dfields?

You can explore Pix4Dfields for 15 days for free with limited export functionality.

Existing Pix4D users:
Download Pix4Dfields from the download page. By logging in with your existing credentials you will be able to test Pix4Dfields for free.

New Pix4D users:
To create a Pix4D user account go to the sign-up page. Upon completion, you will be redirected to the Pix4Dfields download page where you can download the software and demo datasets.

Is Pix4Dfields available for macOS and Windows?

Yes, Pix4Dfields is available for both macOS and Windows.

How many computers can be used with the same account?

Each Pix4Dfields license is linked to a Pix4D account. Pix4Dfields can run on one computer at a time, but the license is floating and can be used to log in on any number of computers.

Are the inputs and outputs of Pix4Dfields compatible with other Pix4D software?

Yes, it is possible to import the exports from Pix4Dmapper (and other software) into Pix4Dfields and vice versa.

What is the price and type of licenses of Pix4Dfields?

Pix4Dfields is offered with monthly, yearly, and perpetual licenses. For more information: Pix4Dfields pricing

Are there any bundle offers available for Pix4Dfields?

Yes. You can buy Pix4Dfields in combination with Pix4Dmapper, Pix4D Cloud, or other product from Pix4D. We also frequently have exclusive bundles with some of our camera and drone partners. For more information: Contact sales

Can I use Pix4Dfields with no internet connection?

Yes, Pix4Dfields is specifically designed to convert images into high-resolution maps, with no cloud or internet connection required. However, note that before using it on a new computer, you will need to activate your license. While connected to the internet, log into your Pix4D account (or create a new one) and select a license so that you can use Pix4Dfields. The software will store this license on your computer until it expires, so you can work offline.

 
Note: Data sync and the connection to John Deere Operation Center features require internet connection. For more information: Data sync and How to connect to John Deere Operations Center

Which cameras are supported in Pix4Dfields?

Pix4Dfields processes RGB images, multispectral images, and the thermal band of the Altum camera. A list with a sample of the supported cameras, and the complete database can be found here: Pix4Dfields supported cameras

 
Note:  If an RGB or multispectral camera is not supported in Pix4Dfields, it is possible to process the dataset if a file with the internal camera parameters is provided. For more information: User- provided camera parameter file for Pix4Dfields

Are there any demo data sets I can use to test Pix4Dfields?

Yes, the example datasets can be downloaded from the dashboard once you have activated a license. The datasets can also be downloaded from Example projects for Pix4Dfields.

These datasets may only be used for personal or professional training. For commercial or promotional use, “Courtesy of Pix4D / pix4d.com” must be displayed and all the text linked to pix4d.com. For more information on usage, contact our marketing team.

What hardware specifications do you need to run Pix4Dfields?

There are recommended hardware and software requirements to use Pix4Dfields see: Computer requirements

Does Pix4Dfields support ground control points (GCPs)?

Pix4Dfields does not support ground control points (GCPs). If you need to use GCPs for improved accuracy and reconstruction, we recommend that you use Pix4Dmapper.

Can Pix4Dfields process oblique imagery?

Pix4Dfields supports processing nadir images captured with a drone camera pointing straight down. If you want to process oblique images, we recommend that you use Pix4Dmapper.

My map doesn’t look great. Why?

The quality of your map can be affected by factors such as low overlap, reflective surfaces in the area (water or glass), or large areas of the same color or texture (snow or sky). Please reach out to Support if you are encountering such issues, we can identify the cause and provide some recommendations for your future flights.

 
Note:  Pix4Dfields recommended side and frontal overlap is 80%

What is the difference between a map generated in Pix4Dmapper and Pix4Dfields?

Pix4Dmapper takes fine-grained local variations in altitude into account when building maps, whereas Pix4Dfields is optimized for representing terrain, using a coarser ground model. If you have a lot of 3D structure in your maps, Pix4Dmapper will give more accurate results for the areas with the 3D structure. However, Pix4Dfields will still give good results on any surrounding terrain.

Does Pix4Dfields include the same radiometric correction module as Pix4Dmapper?

Both products use the same radiometric correction module to correct individual input images. Pix4Dfields uses a different (faster) method to stitch the images into an orthomosaic. For more information: Radiometric correction in Pix4Dfields. 

What is the geometric accuracy of Pix4Dfields?

It depends on the dataset, see What is the difference between a map generated in Pix4Dmapper and Pix4Dfields?. Pix4Dfields performs relatively well on the ground. However, on buildings and other structures above the ground, high accuracy cannot be expected because Pix4Dfields uses a coarse ground model.

Absolute accuracy: On terrain features, the accuracy is 1-3 x the average GSD, or the GPS accuracy of the camera, whichever is larger.
Relative accuracy: On terrain features, the accuracy is 1-3 x the average GSD of the output orthomosaic. 

What is the difference between the digital surface model (DSM) generated in Pix4Dfields and Pix4Dmapper?

While both digital surface models (DSMs) are outputs generated with Pix4D software, each is more specific to the industry the software is created for. With the DSM generated in Pix4Dmapper you can get the accurate elevation value of each pixel, with or without above-ground objects, ready for your preferred GIS workflow. DSMs generated in Pix4Dfields capture terrain well, but are less accurate in representing buildings and other vertical structures. They are a useful tool when addressing irrigation variability and pinpointing erosion-prone areas, but are not intended for high-resolution usage. The absolute altitude of the DSM generated in Pix4Dfields will depend on the quality of the GPS information from the image acquisition.

Does Pix4Dfields process thermal imagery?

Pix4Dfields can process the thermal band of the Micanse Altum camera.

In zonation how do you decide if the zones are significantly different from each other?

Pix4Dfields automatically calculates the zones based on how many classes you select. The regions are based on clustering regions with similar values together.

What is the default coordinate system in Pix4Dfields?

The default coordinate system is the corresponding Universal Transverse Mercator (UTM) zone (datum WGS84).

Can I create a report of my outputs in Pix4Dfields?

You can create a PDF report of your outputs. To do so go to the export button in your top bar and once in the Export panel simply select the export type to be PDF report. Then include all the outputs you would like to display in the PDF report and hit export.

Can I share my data from one device to another device?

Pix4Dfields comes with data sync functionality that connects your projects across devices, taking your data from the field to the office. For more information: Data sync Another way of sharing a project from Pix4Dfields to another Pix4Dfields user is exporting the project as a p4f file.

Can I upload Pix4Dfields layers to a farm management system?

It is possible to export zonation & prescription maps to a tractor terminal for variable rate fertilizer application as a shapefile. For more information: How to export a variable application rate map to a tractor terminal.

As a Pix4Dfields user, you can transfer orthomosaics, reflectance maps, vegetation indices, zonation, and prescription maps layers from your Pix4Dfields account to the John Deere Operations Center.

 
Note:  Pix4Dfields outputs such as Orthomosaics, Digital Surface Model, and Index maps are exported as a GeoTIFF file. See Pix4Dfields inputs and outputs. Different Farm Management Systems support GeoTIFF files. Please refer to your Farm Management System about their supported formats.

Is the export functionality limited for trial licenses?

Yes, the export functionality is available only for commercial licenses. Therefore, during the trial period is not possible to export the results of Pix4Dfields. For more information about commercial licenses, contact sales.

Future Development

Pix4Dfields will be developing, growing, and implementing new features specifically based on our user feedback. With this constant development, you can expect updates in our software that will translate into better decision making catered for agriculture. If you would like to be notified about our new features and upgrades you can join our newsletter. You can provide feedback of the product here: Px4Dfields Feature Request.

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