Comparative Measuring in Perspective

[New Masters Academy]

In this lesson, instructor Erik Olson will show you how to plot, multiply, and duplicate planes and cubes in perspective. You will learn how to draw cubes at varying points and draw in distortion outside the cone of vision. Erik will show you how to use measuring points to reference the height and width of an object.

This lesson belongs to the course Perspective I. In this 12-week course, master draftsperson Erik Olson will guide you through the foundations of linear perspective. You will learn how to measure, plot, and problem solve using the principles of perspective. Then, Erik will teach you how to interpret perspective from photography and masterworks. You will explore how the Old Masters utilized perspective as a tool for visual communication. After completing this course, you will build a solid understanding of perspective that allows you to draft complex scenes and objects.

Throughout this course, you’ll have access to the NMA community for feedback and critiques to improve your work as you progress.

[KARINA GRONNVOLL]

The part about the barn doesn’t make sense. I’ve watched it 4 times and still don’t get it.

[Daniel Daigle]

Hi Karina, can you elaborate on what part you are confused about?

My understanding is that Eric picks an arbitrary position to place the near-corner of the barn, then he decides that the barn should be two stories tall, the same as the house. So in order to do this, he draws a line from the bottom of the house to the near-corner of the barn to the eye line. this sets up a reference point for the roof. remember, anything that spans between that reference line, that he just drew, and the eye line will be 4 ft.  he then draws a line from the top of the second story to the reference point to get the height of the barn (18 ft above the eye line) . where the vertical from the bottom near-corner meets the the second reference line. its the same logic he used for drawing the first person with reference point 1. except he is using the far side of the house for taking the measurement. this works because objects scale as the move back in space in between the vanishing lines.

Does this make sense?

[Author]

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