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hyperPad

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  3. "Meters" to Pixels: How?

"Meters" to Pixels: How?

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

    If I'm working in 4:3, and I know on an iPad, in points, I want to think of an object in terms of its size as follows:

    1024x768 pts is size of iPad screen.

    Character design is 96 x 96 pts = 192 x 192 pixels

    How do I ensure my object is this size in the meters system of hyperPad?

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    • HamedH Offline
      HamedH Offline
      Hamed
      Admin
      wrote on last edited by
      #2

      Take a look at Point-to-meter ratio
      https://hyperpad.zendesk.com/hc/en-us/articles/207698086-Global-Properties

      D 1 Reply Last reply
      0
      • HamedH Hamed

        Take a look at Point-to-meter ratio
        https://hyperpad.zendesk.com/hc/en-us/articles/207698086-Global-Properties

        D Offline
        D Offline
        Deeeds
        wrote on last edited by Deeeds
        #3

        @Hamed While this shows the pixel sizes of the screens, it doesn't mention anything about the meter sizes of the screens, at any given zoom level.

        How do I ascertain the size of the screen, in meters, at a zoom level of 1?

        Do I just create an object, drag it around and figure out what the size of the screen is by looking at the Property Inspector?

        Surely that's a bit ridiculous.

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        • D Offline
          D Offline
          Deeeds
          wrote on last edited by
          #4

          I've just done just that, and found an iPad to be 32m by 24m.

          Is that the same for smaller iPads? I can't know cause I'm only working on the large Pro model.

          Aidan_FireA 1 Reply Last reply
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          • D Deeeds

            I've just done just that, and found an iPad to be 32m by 24m.

            Is that the same for smaller iPads? I can't know cause I'm only working on the large Pro model.

            Aidan_FireA Offline
            Aidan_FireA Offline
            Aidan_Fire
            wrote on last edited by
            #5

            @Deeeds I’m pretty sure the pixel to metre ratio stays the same, so smaller iPads have less metres on their screen. I could be wrong though, I don’t have a smaller iPad to try it on.

            D 1 Reply Last reply
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            • Aidan_FireA Aidan_Fire

              @Deeeds I’m pretty sure the pixel to metre ratio stays the same, so smaller iPads have less metres on their screen. I could be wrong though, I don’t have a smaller iPad to try it on.

              D Offline
              D Offline
              Deeeds
              wrote on last edited by
              #6

              @Aidan-Oxley So you're using the same size iPad I'm using?

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              • MurtazaM Offline
                MurtazaM Offline
                Murtaza
                Admin
                wrote on last edited by
                #7

                All 4:3 iPads will have 32mx24m screen size.

                The pixel (or more accurately point) to meter ratio allows you to adjust this. By default, 1M =32pts.

                On image import hyperPad assumes you're importing a retina image (unless you turn off the toggle on the import window). This means it will create a duplicate non retina version for smaller devices.
                So if you import a 256x256px image, it will create a 128x128 version. They appear the same visually because the retina iPad condenses the pixels in the same screen space.
                So the same 32 meter space contains double the pixels.

                Aidan_FireA 1 Reply Last reply
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                • MurtazaM Murtaza

                  All 4:3 iPads will have 32mx24m screen size.

                  The pixel (or more accurately point) to meter ratio allows you to adjust this. By default, 1M =32pts.

                  On image import hyperPad assumes you're importing a retina image (unless you turn off the toggle on the import window). This means it will create a duplicate non retina version for smaller devices.
                  So if you import a 256x256px image, it will create a 128x128 version. They appear the same visually because the retina iPad condenses the pixels in the same screen space.
                  So the same 32 meter space contains double the pixels.

                  Aidan_FireA Offline
                  Aidan_FireA Offline
                  Aidan_Fire
                  wrote on last edited by Aidan_Fire
                  #8

                  @Murtaza So iPad Mini’s also are 32 × 24? @Deeeds I’m using iPad Air.

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                  • MurtazaM Offline
                    MurtazaM Offline
                    Murtaza
                    Admin
                    wrote on last edited by
                    #9

                    Yup. All iPads should be showing the exact same thing on screen.

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