Symbols and Colors - PIX4Dmatic

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PIX4Dmatic uses a standard color formatting of symbols that allows for a quick understanding of the state of what it represents. Understanding the colors of the symbols can help to assess the quality of the calibration and marks quickly.

Tiepoints (GCPs, Checkpoints, Manual Tie Points)

  • Blue - Indicates the initial GCP position as read from the GCP file.
  • Green - Indicates the computed position of a GCP or MTP after the calibration or reoptimization step has been completed.
  • Gray - Checkpoint position as extracted from the GCP file.

Normal.png

3D Initial GCP position.

Normal.jpg

3D Computed GCP/MTP position.

PIX4Dmatic_checkpoint.png

3D Checkpoint.

GCP_2D-2.png

2D Initial GCP position.

Calibrated_GCP_2D-2.png

2D Computed GCP/MTP position.

Checkpoint_2D-2.png

2D Checkpoint.

Intersection Tie Points

ITP-white.png

3D ITP (automatic and manual).

aITP_2.png

aITP in Image viewer.

mITP_4.png

mITP in Image viewer.

Cameras

  • Blue - Indicates the initial position of a camera as extracted from the image exif, or image geolocation file.
  • Green - Indicates a computed position of a camera after the calibration or reoptimization step has been completed.
  • Orange - Uncalibrated camera position (failed to calibrate).

Initial_Camera.png

3D Initial camera position.

Calibrated_camera.png

3D Calibrated camera position.

Uncalibrated_camera.png

3D Uncalibrated camera position.

initial_camera_2D.png

2D Initial camera position.

calibrated_camera_2D.png

2D Calibrated camera position.

uncalibrated_camera_2D__2_.png

2D Uncalibrated camera position.

Image viewer marks

Not yet calibrated 1.png

Calibration not initiated.

Calibrated 1.png

Calibrated image.

Uncalibrated 1.png

Uncalibrated image.

Rays

  • Blue - Initial position of GCP or Checkpoint before the calibration step.
  • Green - Calibrated position of a 3D object after calibration or reoptimization steps.
  • Yellow - Indicates which images had GCPs/MTPS/Checkpoints that were manually marked and indicates which images had ATPs automatically marked by the software.
  • Magenta - Indicates images containing marks deemed as outliers.

blue_ray_2.png

Blue ray-Initial GCP and Checkpoint position.

green_rays_2.png

Green ray-Calibrated position of 3D object.

yello_ray_2.png

Yellow ray-Manual or Automatic image mark.

magenta_ray_2.png

Magenta ray-Image mark deemed as an outlier.

Image Marks (GCPs, Checkpoints, Manual Tie Points)

  • Blue - GCP initial position on the image according to the GCP file.
  • Yellow - GCP user-defined mark on the image.
  • Green - GCP projected mark on the image after calibration or reoptimization.

GCP_initial_position_on_images.png

GCP initial position on image.

GCP_user_mark.png

GCP user-defined mark.

GCP_propogated_marks_on_image.png

GCP projected mark.

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