Zephyr Areal Controllpoints and converting in to other coordination systems

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  • ChrisBlaser
    3Dflower
    • Apr 2018
    • 3

    Zephyr Areal Controllpoints and converting in to other coordination systems

    Hi There

    I'm at a client to test a workflow and new software. I convinced the client, to try zephyr Areal:

    He shot the Photos with a DJI Phantom 4 Pro. Generating the files works as expected and in the clients view perfect.
    The only thing; how do we convert the Local cooridination system, who seems to be GPS Global X.Y.Z ccordinations to CH1903 LV98.

    We did the workflow like choosing the know refference points and select them in the pictures with the GCP tool.
    then we try to change the CRS from Local to CH1903 LV98+. But it does not really doo something or change to the correct coordinations.

    When we look then at the orthophotos its all fine, the high is correct, but not the x and y. Those are off.

    Can you point or explain the proper workflow? Because the client realy likes zephyr and like to buy the Areal Version. But only it i can show him that we can change to the correct coorinations over the refference points.

    I wrote a email to you Andrea as well. Maybe you can contact me.

    Cheers form Zurich

    Chris
  • Andrea Alessi
    3Dflow Staff
    • Oct 2013
    • 1335

    #2
    Hi Chris,

    i did reply to your email about 20 minutes ago with a couple of screenshot, let me know if they are clear enough,

    Remember to check the "transfom coordinates" flag when changing reference system, that is the most common mistake in the workflow.

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