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    Struggling with perspective

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    • davidhohn
      davidhohn SVS Instructor Pro @Guest last edited by

      @thomas-young You have it kind of right and kind of wrong.

      You are right when you say:

      "The key factor here is the camera's line of sight.

      When the line of sight is perpendicular to the picture plane, it will be a one-point perspective, regardless of how high or low the horizon line is."

      You are also right when you say:

      "For a two-point perspective, the line of sight needs to be rotated upwards (or downwards), not just lowered."

      Yep. Totally agree.

      But you are incorrect to apply that concept to this particular illustration.

      The OP @ChloeGreenbergArt specifically wrote:

      "Drawing from a bottom-up perspective like this is very out-of-my-element, but it’s important for the story."

      That suggest that Chloe is looking for a "worms eye view" or a "low angle POV". In that scenario the camera is placed low to the ground and is looking up at the subject. This means that the camera is "rotated upwards" resulting in a two point perspective system.

      Thanks for the opportunity to further clarify when and why to apply different forms of linear perspective. That's exactly what these forums are for!

      www.davidhohn.com
      www.instagram.com/davidhohnillo
      twitter.com/david_hohn

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      • ?
        A Former User @davidhohn last edited by A Former User

        @davidhohn true. I missed the looking up aspect which, now that I reflect on it, is what “bottom up” POV means. Thanks for correcting me on that!

        I can still create a looking up one-point perspective by placing the camera on the floor and not tilting it. If I get a few minutes I will show a side-by-side comparison. Many art directors I’ve worked with over the years prefer to avoid the keystoning distortion that occurs when tilting the camera upwards.

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        • ChloeGreenbergArt
          ChloeGreenbergArt @davidhohn last edited by

          @davidhohn this is exactly what I needed, thanks!

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          • ?
            A Former User @davidhohn last edited by

            @davidhohn Attached is a one-point perspective where the grid squares are 36 inches with the vanishing point near the floor. Figure silhouettes are 6'3" in height.
            Room_LR0_UD0_DCF1_OnePoint.png

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            • ?
              A Former User @davidhohn last edited by A Former User

              @davidhohn Here is a floor level POV with the camera tilted upwards. A two-point perspective.
              Room_LR0_UD-15_DCF1_TwoPointFloorLevel.png

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              • ?
                A Former User @davidhohn last edited by

                @davidhohn This room view has a higher POV with the camera tilted upwards. It is just a matter of adjusting the camera height and its tilt. Here, the POV is closer to eye level and shows more of the floor, but it does not give a great sense of looking upwards; it is a two-point perspective.
                Room_LR0_UD-12_DCF1_TwoPoint_eyeLevel.png

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                • davidhohn
                  davidhohn SVS Instructor Pro @Guest last edited by davidhohn

                  @thomas-young Fun! Now comes the question every artist must face -- which one communicates the "bottom-up" or low-angle POV most effectively?

                  www.davidhohn.com
                  www.instagram.com/davidhohnillo
                  twitter.com/david_hohn

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                  • ?
                    A Former User @davidhohn last edited by

                    @davidhohn I understand why you favor the “bottom-up” view. It has more movement and is more dynamic. I also like how the fore-most figure leans to the left. The one-point, low POV is more static and less suited to Chloe’s needs. Your advice to her was spot on!

                    It is useful to explore various POVs to find the best foundation to develop the composition upon.

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                    • Sarah VanDam
                      Sarah VanDam @davidhohn last edited by

                      @davidhohn Woah, this kind of blows my mind. I haven’t thought of a two point perspective composition like this before!

                      https://sarahvandam.art/
                      Instagram: @sarahvandam.art and @artistsandbox.etsy

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                      • NessIllustration
                        NessIllustration Pro last edited by NessIllustration

                        When I was learning perspective, this kind of 2-point perspective confused me a lot! That's because we think of a traditional 2-point perspective where both vanishing points are on the horizon line. But in a traditional 2-point perspective (or 1-point for that matter), all the top-to-bottom lines always stay perfectly vertical (unless the canvas itself is rotated) and parallel to one another. In this case they are not, which is the clue that there is another vanishing point.

                        To tilt top-to-bottom lines, you'll have either a vanishing point in the sky (the zenith) for a bottom up perspective or a vanishing point deep in the earth (the nadir) for a top down perspective. It actually helps me to think of this illustration as a 1-point perspective + zenith instead of thinking of it as a 2-point perspective. That always just confuses me!

                        vanessastoilova.com
                        instagram.com/vanessa.stoilova/

                        Check out my Youtube channel for tips on how to start your career in illustration! www.youtube.com/c/ArtBusinesswithNess

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