Assign Site localization to a Point CRS collection (Android Only) - PIX4Dcatch RTK

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It is possible to assign a Site Localization to a new or existing “Point CRS” collection and get the local equivalent coordinate system for every measured or imported point. Coordinates will be computed automatically according to the site localization selected.

Assign Site Localization to a New Point Collection

Measure or import new points using a site localization file. All the points in the new collection will be site localized in the process.

  1. From the Point Management dialog, create a new point collection by tapping the PIX4Dcatch_new_collection_button.jpg button.

    PIX4Dcatch_new_PointCRS_collection_site_localization.jpg

    PIX4Dcatch Create Point Collection dialog.

    • Name the Point Collection.
    • Select Point CRS.
    • Tap the Site Localization arrowarrow_right.pngmenu.
  2. Choose a Site Localization collection.

    PIX4Dcatch_Point-CRS_assign_site_localization.jpg

    PIX4Dcatch Assign Site Localization dialog.

    • Select the appropriate Site Localization collection.
  3. The selected site localization will appear near the top of the Point Collection with the Coordinate Reference System selected for the global points.

    PIX4Dcatch_localized_Point-CRS_collection.jpg

    Point Collection ready to import and measure points.

    It is now possible to import.png Import Points and measure new global points New_Point.png using the appropriate selection. Once a new point has been imported or measured, a corresponding local point will also be created.

    For more information:
    How to import global points.
    How to measure global points.

  4. New global points will be indicated with a card in the Point Collection.

    PIX4Dcatch_Point-CRS_site_localized_global.jpg

    PIX4Dcatch Site Localized Point Collection with a global point measured.

  5. Tap the global point to view the local transformation. Selecting the Local Position tab will display the local coordinates computed automatically according to the site localization selected.

    PIX4Dcatch_Point-CRS_site_localized_local.jpg

    PIX4Dcatch site localized collection displaying the local coordinates.

Assign Site localization to an Existing Point Collection

It is easy to assign a site localization to an existing Point Collection.

  1. From an existing Point Collection, tap the menu iconmore_vertical.jpg in the upper right of the screen.

    PIX4Dcatch_Point-CRS_site_localization_existing.jpg

    PIX4Dcatch Point Collection dialog.

    • Select site_localization.png Assign Site Localization.
      • Select the appropriate Site Localization.
  2. Tap the global point to view the local transformation. Selecting the Local Position tab will display the local coordinates computed automatically according to the site localization selected.

    PIX4Dcatch_Point-CRS_site_localized_local.jpg

    PIX4Dcatch site localized collection displaying the local coordinates.

Remove Site Localization

It is possible to remove Site Localization previously assigned to a Point Collection.

  1. From a Site Localized Point Collection, tap the menu iconmore_vertical.jpgin the upper right of the screen.

    PIX4Dcatch_Point-CRS_remove_site_localization.jpg

    PIX4Dcatch Point Collection dialog.

    • Select site_localization_red.png Remove site localization.
      • Confirm by tapping REMOVE in the warning dialog.

        PIX4Dcatch_remove_site_localization_warning_dialog.jpg

        PIX4Dcatch Remove Site Localization warning dialog.

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