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Assisted Road Marking - PIX4Dmatic

Assisted Road Marking allows road markings to be vectorized quickly and with minimal manual effort. For line type markings, only two clicks are needed to set the start and direction, and the rest of the line is generated automatically.

 

PIX4Dsurvey_Road_detection.gif

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How to use the Assisted Road Marking

How to use the Assisted Road Marking

To use the Assisted Road Marking tool:

  1. Open the project in PIX4Dsurvey.
  2. Select the Assisted Road Marking tool PIX4Dsurvey_road_marking.png from the toolbar or press the Shift + R key.

    assisted_road_2.0

  3. Left-click on two points on the line-type road to automatically vectorize it:
    • The first point is the seed point in order to create the first vertex
    • The second should be the direction point on the line-type road markings to give the direction of vectorization.
  4. The seed point extends into a quick selection and vectorization of road marking points which automatically appear on the screen. The extension stops wherever it is unclear to the algorithm how to continue.

    PIX4Dsurvey_Road_marking.gif

  5. (Optional) Results can be manually corrected by selecting the vertex or continue by providing a new seed point and a new direction point.
  6. (Optional) To stop the Assisted Road Marking tool while it is running:
    • Right-click or press Enter to stop the algorithm and keep the vectorization.
    • Press the Esc key to stop the algorithm and discard the vectorization.
  7. To exit the Assisted Road Marking tool:
    • Right-click or press the Esc key to change to Pix4Dsurvey_select_tool_icon.png Simple selection (default).
    • Right-click or press the Esc key twice to deselect the created polyline.
    Note: For the vectorization of a dashed line-type road, the seed point and the direction point need to be on two neighboring dashed lines.