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Qt Map Zoomlevel Calculation

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  • D Offline
    D Offline
    Dev1337
    wrote on last edited by Dev1337
    #1

    Hello together,

    someboy knows mybe how to calculate the zoomlevel for the qt map item?
    I am displaing pints on the map in a circle of 50km.

    I got a circle on the map and want to set the zoomlevel of the map to a point where the circle has a diameter of 80km
    so the points on the map fitts to the circle inside.

    Here a picture:

    Picture of my Map Item

    But i cant figure out how the calculation shoud look like.

    Somebody got experience in this??

    Regards

    raven-worxR 1 Reply Last reply
    0
    • D Dev1337

      Hello together,

      someboy knows mybe how to calculate the zoomlevel for the qt map item?
      I am displaing pints on the map in a circle of 50km.

      I got a circle on the map and want to set the zoomlevel of the map to a point where the circle has a diameter of 80km
      so the points on the map fitts to the circle inside.

      Here a picture:

      Picture of my Map Item

      But i cant figure out how the calculation shoud look like.

      Somebody got experience in this??

      Regards

      raven-worxR Offline
      raven-worxR Offline
      raven-worx
      Moderators
      wrote on last edited by
      #2

      @Dev1337
      you could simpyl set the visibleRegion property?

      --- SUPPORT REQUESTS VIA CHAT WILL BE IGNORED ---
      If you have a question please use the forum so others can benefit from the solution in the future

      1 Reply Last reply
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