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Save preview in PIX4Dcatch

The Quality Report feature allows users to assess the quality of a capture immediately after acquisition and before saving the project. This enables in-field evaluation of data quality and the option to redo a capture if needed, eliminating the need to return to the office to review results.

How it works

After completing a capture, a summary screen appears displaying:

  • The project name
  • Two tabs: 3D View and Report
  • A Save button 

    save view

3Dview

The 3D View tab displays all captured images along with their corresponding RTK/GPS measurement points.

If the project was captured using an RTK device, the following accuracy indicators are shown:

          red dot Low: >6cm

          orange dot Reduced: 3-6cm

          green dot Optimal: < 3 cm

Note: The thresholds vary according the GPS or RTK device. 

Additional tools available in this view:

  • Zoom icon center icon : Centers the 3D model on the screen.
  • Layers icon layers icon : Expands to toggle the point cloud and image layers.
  • Pencil icon  pencil icon : Allows editing of the project name.

Report

The Report tab summarizes capture quality using several parameters. Each section provides key metrics and, where applicable, improvement tips.

     report menu

 

Images

Displays the total number of images and the percentage of images with optimal quality.
Tips for improving image quality are shown at the bottom of the section.

      images report

Geolocation

Shows the positioning source used during capture:

  • no location icon NO LOCATION:  Indicates no geolocation information was acquired for the images.
  • exclamation icon  GPS: Indicates the images were captured using the device’s integrated GPS receiver, providing low positional accuracy.
  • valid icon  RTK:  Indicates the images were captured using an RTK-enabled receiver, providing high positional accuracy.

    geolocation optimal

RTK accuracy parameters are divided into two subcategories: Optimal accuracies and consecutive bad accuracies.

The Optimal accuracies are split into three ranges: 

  • optimal icon  optimal 90-100% 
  • reduced icon reduced 50-90%
  • low icon low 0-50%

The Consecutive bad accuracies: 

  • optimal icon  Optimal  0-50 samples
  • reduced icon  Reduced +50 samples


    geolocation save preview

Autotags

Displays the number of Autotags detected, along with the number of GCPs (if applicable) and how many were successfully recognized.

  • optimal icon  A green check indicates all GCPs were recognized.
  • error icon A red icon indicates that some GCPs were not recognized.

    autotags report     autotags save report


Annotations

Indicates the number of annotations.

     annotations

 

Saving the Project

If all parameters meet quality requirements, tap the Save button to save the project. If the parameters do not meet the requirements, the project can be cancel tapping the close button close button.

       save capture