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Argh!

Scheduled Pinned Locked Moved The Lounge
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  • S soap brain

    Dalek Dave wrote:

    Have you ever worked out the volume of a tesseract (aka a Hypercube)? Very difficult

    You're joking, right? V = s4.

    D Offline
    D Offline
    Dalek Dave
    wrote on last edited by
    #27

    V = s4? Are you sure? Rotating Hypercube[^], not easy is it? Some information[^]. Want to try again?

    ------------------------------------ I will never again mention that I was the poster of the One Millionth Lounge Post, nor that it was complete drivel. Dalek Dave CCC Link[^] Trolls[^]

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    • D Dalek Dave

      V = s4? Are you sure? Rotating Hypercube[^], not easy is it? Some information[^]. Want to try again?

      ------------------------------------ I will never again mention that I was the poster of the One Millionth Lounge Post, nor that it was complete drivel. Dalek Dave CCC Link[^] Trolls[^]

      S Offline
      S Offline
      soap brain
      wrote on last edited by
      #28

      Dalek Dave wrote:

      Are you sure?

      Yes.

      Dalek Dave wrote:

      Want to try again?

      OK. A tesseract is a cube extruded along the w-axis a distance of s. Hence, V = s4.

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      • S soap brain

        Dalek Dave wrote:

        Are you sure?

        Yes.

        Dalek Dave wrote:

        Want to try again?

        OK. A tesseract is a cube extruded along the w-axis a distance of s. Hence, V = s4.

        D Offline
        D Offline
        Dalek Dave
        wrote on last edited by
        #29

        You are falling into the trap that I fell into. That is it's volume in n Dimensional space. To work out it's volume in n-1 dimensional space is where it gets interesting. The volume then rather different, it is larger on the inside than the outside. Exterior volume is only the same as in n-1 space, whereas the internal volume is the n analogue. However the internal volume cannot be accessed from an n dimensional viewpoint.

        ------------------------------------ I will never again mention that I was the poster of the One Millionth Lounge Post, nor that it was complete drivel. Dalek Dave CCC Link[^] Trolls[^]

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        • P Pete OHanlon

          Indeed I do, but you may note that I clearly stated "in 3D". By default, Silverlight 3D exists in 4D.

          Forgive your enemies - it messes with their heads

          My blog | My articles | MoXAML PowerToys | Mole 2010 - debugging made easier - my favourite utility

          K Offline
          K Offline
          Keith Barrow
          wrote on last edited by
          #30

          He is intelligent, but not experienced. His pattern indicates two-dimensional thinking.

          Sort of a cross between Lawrence of Arabia and Dilbert.[^]
          -Or-
          A Dead ringer for Kate Winslett[^]

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          • W wout de zeeuw

            Can't draw a point in Silverlight 5 3D. :wtf: Feels like going back in time.

            Wout

            K Offline
            K Offline
            Keith Barrow
            wrote on last edited by
            #31

            A serious question: Isn't moving pixel sized triangles quicker with modern GPUs anyway? I assumed it was, still a PITA though.

            Sort of a cross between Lawrence of Arabia and Dilbert.[^]
            -Or-
            A Dead ringer for Kate Winslett[^]

            W 1 Reply Last reply
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            • W wout de zeeuw

              Can't draw a point in Silverlight 5 3D. :wtf: Feels like going back in time.

              Wout

              M Offline
              M Offline
              Mark_Wallace
              wrote on last edited by
              #32

              So you need a point with the circular aspect excluded. i.e. :beer:

              I wanna be a eunuchs developer! Pass me a bread knife!

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              • D Dalek Dave

                You are falling into the trap that I fell into. That is it's volume in n Dimensional space. To work out it's volume in n-1 dimensional space is where it gets interesting. The volume then rather different, it is larger on the inside than the outside. Exterior volume is only the same as in n-1 space, whereas the internal volume is the n analogue. However the internal volume cannot be accessed from an n dimensional viewpoint.

                ------------------------------------ I will never again mention that I was the poster of the One Millionth Lounge Post, nor that it was complete drivel. Dalek Dave CCC Link[^] Trolls[^]

                S Offline
                S Offline
                soap brain
                wrote on last edited by
                #33

                Dalek Dave wrote:

                To work out it's volume in n-1 dimensional space is where it gets interesting.

                You mean its hyper-surface area.

                Dalek Dave wrote:

                The volume then rather different, it is larger on the inside than the outside.

                I don't even know what that means. http://www.wolframalpha.com/input/?i=tesseract+volume[^]

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                • D Dalek Dave

                  Time? Or is that just a theory?

                  ------------------------------------ I will never again mention that I was the poster of the One Millionth Lounge Post, nor that it was complete drivel. Dalek Dave CCC Link[^] Trolls[^]

                  L Offline
                  L Offline
                  Lost User
                  wrote on last edited by
                  #34

                  As a dimension, yes, it is a theory.

                  Dr D Evans "The whole idea that carbon dioxide is the main cause of the recent global warming is based on a guess that was proved false by empirical evidence during the 1990s" financialpost

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                  • D Dalek Dave

                    You are falling into the trap that I fell into. That is it's volume in n Dimensional space. To work out it's volume in n-1 dimensional space is where it gets interesting. The volume then rather different, it is larger on the inside than the outside. Exterior volume is only the same as in n-1 space, whereas the internal volume is the n analogue. However the internal volume cannot be accessed from an n dimensional viewpoint.

                    ------------------------------------ I will never again mention that I was the poster of the One Millionth Lounge Post, nor that it was complete drivel. Dalek Dave CCC Link[^] Trolls[^]

                    L Offline
                    L Offline
                    Lost User
                    wrote on last edited by
                    #35

                    Your talking bollocks again Dave.

                    Dr D Evans "The whole idea that carbon dioxide is the main cause of the recent global warming is based on a guess that was proved false by empirical evidence during the 1990s" financialpost

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                    • K Keith Barrow

                      A serious question: Isn't moving pixel sized triangles quicker with modern GPUs anyway? I assumed it was, still a PITA though.

                      Sort of a cross between Lawrence of Arabia and Dilbert.[^]
                      -Or-
                      A Dead ringer for Kate Winslett[^]

                      W Offline
                      W Offline
                      wout de zeeuw
                      wrote on last edited by
                      #36

                      Maybe, I still have to look into how to draw a pixel sized triangle that remains pixel sized regardless of how much the user zooms in/out. In OpenGL/DirectX 9 this used to be quite easy, but now you have to get into vertex shaders, texture mapping and such just to draw a dot. So instead of just doing a few lines of code and be done with it, now you have to research for a day how to draw a dot.

                      Wout

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                      • K Keith Barrow

                        He is intelligent, but not experienced. His pattern indicates two-dimensional thinking.

                        Sort of a cross between Lawrence of Arabia and Dilbert.[^]
                        -Or-
                        A Dead ringer for Kate Winslett[^]

                        L Offline
                        L Offline
                        Lost User
                        wrote on last edited by
                        #37

                        Khaaaaaaaan!

                        "I just exchanged opinions with my boss. I went in with mine and came out with his." - me, 2011 ---
                        I am endeavoring, Madam, to construct a mnemonic memory circuit using stone knives and bearskins - Mr. Spock 1935 and me 2011

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