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Old 02-14-2015, 05:44 AM
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Re: Basics 101: Class 2 - Foundation of Perspective

Three Objects 14-02-15 Class2 perspective
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Old 02-14-2015, 09:47 AM
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Re: Basics 101: Class 2 - Foundation of Perspective

Perfect, Mike .
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Old 02-14-2015, 02:08 PM
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Re: Basics 101: Class 2 - Foundation of Perspective

Exercise 3 The Four Boxes Completes Class 2 work
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Old 02-14-2015, 02:08 PM
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Re: Basics 101: Class 2 - Foundation of Perspective

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Old 02-14-2015, 06:34 PM
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Re: Basics 101: Class 2 - Foundation of Perspective

Hi, Mike -
I'm always looking forward to this exercise, it really shows whether one understands perspective. And I mean the really important aspects, not the mathematical jargon of 1PP, 2PP and 3PP.
First issue: what is a vanishing line, and more important, what is NOT a vanishing line? a and b are not.

On your sketch, object 2 does not resemble a box at all. And it does not resemble the object in the photo either. That shows that you invented some perspective first, then forced your objects into it. That is not the good way, particularly for a landscape painter. Draw first, and if there are horizontal parallel lines that run backwards, check for the correct perspective.

Your sketch, annotated:



The basic principles:
Illustrated by an elementary example - a double railroad track - it is almost ridiculous that it should be explained.
1. Further away looks smaller.
2. All VP's of horizontal lines lie on the same and only horizon line aka Eye Level.
3. All lines in a group of parallel lines converge to the same VP.


On your sketch:
note 1: two horizon lines . How would that look in a landscape ?
note 3: further away looks smaller; remedy: check all groups of parallel lines for their VP, so in this case also to the right.
The other boxes are almost parallel with the plane of the paper, so their front edges do not converge enough to merit the control by vanishing lines.

I'm perhaps rather severe, but as a landscape painter, you must be able to avoid errors like the back being larger than the front.
So, sorry, but try again. And draw first, then check . That is a general principle: draw first, then measure. Unlike the tailor or carpenter: "Measure twice, cut once" .
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Old 02-15-2015, 04:44 AM
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Re: Basics 101: Class 2 - Foundation of Perspective

Good Morning Arnoud My repeat Exercise Hope this is a little better Had to stop look and thin k hope its right!!!!!!!!!!!!
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Old 02-15-2015, 04:45 AM
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Re: Basics 101: Class 2 - Foundation of Perspective

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Old 02-15-2015, 05:35 PM
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Re: Basics 101: Class 2 - Foundation of Perspective

Mike - A lot better
I fear you don't yet have a clear idea what a vanishing line is. A line is traditionally thought of as straight, Einstein taught us that it is curved, but a crooked line (highlighted in cyan) as you invented for box 4 is really novel . Vanishing lines must show you where you are wrong. The brown-red lines on box 4 are the real "vanishing lines"; clearly you did not draw what you should have seen, but what you thought how a box looked. Look again at your photo, clearly it is different. And if you had correctly drawn the VL, instead of forcing the VL to follow your sketch, you had seen it clearly. That is what a VL must do: show you where you are wrong.
A second remark: you did draw VL's for all groups of parallel lines, but you forgot to draw the VL's of all edges in the same group. Several bottom edges do not recede to the VP of the corresponding top edges. But they are parallel, aren't they, by definition.



You are far enough in this matter to move on to class 3. Class 3 is the second class on perspective, this time applied to "real" drawings.
Please pay attention to all parallel lines .
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Old 02-15-2015, 05:48 PM
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Re: Basics 101: Class 2 - Foundation of Perspective

Yes.....Thank you.... had to think over this Exercise....will remember to look for all parallel lines in the following class.............
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