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9 votes
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The Last Supper - Vanishing Points

The arch is not a painted part of the painting, but a physical part of the room in the Santa Maria delle Grazie above which the mural can be found: source
Joachim's user avatar
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9 votes
Accepted

Why are parallel lines in the real world not drawn parallel as they head to the vanishing point?

I will preface my response with a cautionary warning that I am an engineer by profession, so I am somewhat naturally inclined to use optics/physics and math to illustrate my point. Hopefully I'm ...
Flora Su's user avatar
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5 votes

Determining a station point for a perspective drawing

One or two vanishing points are placed on the horizon. If you're drawing with 3 vanishing points, the third will be above or below the horizon. Just like the position of the horizon, the vanishing ...
Ji Ugug's user avatar
  • 1,999
5 votes

How to measure the distance to horizon line one-point perspective?

In the following explanation I had to make some assumptions: Room is 10 x 10 x 10 I had to assume a distance (station point) for the observer a fixed distance from the object. Need to know how far ...
John Vukelic's user avatar
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4 votes

Are there any techniques established for doing perspective on a spherical surface?

The vanishing point, provided the parallel lines are on the ground plane, is on the horizon and it will always be eye-level . The horizon can be looked at as the sum of all of the vanishing points. ...
rebusB's user avatar
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4 votes

Determining a station point for a perspective drawing

The station point is the distance at which you are looking at an object, (i.e. how far you are from it). The horizon line is where your eyes are, (i.e. if are you looking the object from below, above ...
user18849's user avatar
3 votes
Accepted

Is it possible to paint an oblique (perspective) anamorphic illusion on a three dimensional surface viewable from all angles as you pass it?

You could make it work from a single vantage point, but not from numerous or continuously changing vantage points. Whatever shape sticks out from the wall (semicylinder or other), I'll call that the ...
fixer1234's user avatar
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3 votes
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Wish to paint dog in scenic background. What size should dog be?

I don't know any formal artistic composition rules but how I would handle it is by mocking it up with either Adobe Photoshop or Gimp Photo Editing Software. (Gimp is free). Put the background in one ...
Henry Taylor's user avatar
  • 3,235
2 votes

Are there any techniques established for doing perspective on a spherical surface?

I will go ahead and not provide a final answer to your question; I just take it ahead a bit, so that others will have a clearer image of what you are asking, and maybe then they can help out with the ...
Levente's user avatar
  • 262
2 votes
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Printing to be viewed at 45deg

Your model is quite clear, although the question is less so. You ask if increasing the height of the image in the background to 200% is the best way. The best way for what purpose? If your objective ...
fred_dot_u's user avatar
  • 7,539
2 votes

Does anybody know the name of the perspective most people paint in?

There are, arguably, three distinct viewpoints in linear perspective, all having to do with the viewing angle in relation to the ground plane: J.T. Thibault, "Application of Linear Perspective in the ...
Joachim's user avatar
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2 votes

Does anybody know the name of the perspective most people paint in?

You are assuming that most paintings use this certain perspective, which is not the case. A subset of paintings do and those are landscape paintings which all of your examples consist of. This style ...
rebusB's user avatar
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2 votes

What is distortion?

The distortion discussed in the Drawbox article are related to using a two point perspective in a manner that makes the object in the drawing look distorted. Wikipedia has a nice article on the ...
David D's user avatar
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1 vote

Linear Perspective: Vanishing Point Below Horizon Line

The vanishing point will be on the eye level along with the horizon line for lines that are parallel to the ground plane. If an object has lines that are not parallel to that plane they will converge ...
rebusB's user avatar
  • 3,347
1 vote

Is there a known method to track perspective without guidelines, other than experience?

You could use thread and nail. You should loose fix the thread on the horizon and with the help of nail to move across the surface to check the perspective.
IvJorell's user avatar
1 vote

Is there a known method to track perspective without guidelines, other than experience?

There is a wonderful(ly inventive) tool called a centrolinead, which I still hope to get my hands on one day: source It consists of a metal joint from which three wooden, rotatable arms extend. You ...
Joachim's user avatar
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1 vote

Cone of vision in perspective drawing

I am no expert, but a simple Google search gave me a very clear answer. The cone of vision is the spatial volume seen by a (dimensionless) observer inside an angle of 60o. To "calculate" the envelope ...
virolino's user avatar
  • 1,768
1 vote

Printing to be viewed at 45deg

This is an old question and kind of a unique situation. But if anyone else wanted to try this, the existing discussion doesn't really address what's required. This is a perspective problem. Your ...
fixer1234's user avatar
  • 11.5k
1 vote

Determining a station point for a perspective drawing

Answer In the simple case you mention (objects laying on the line of vision) the vertical distance of the station point to the ground line of an object (laying on the ground) is the distance of the ...
Chris Novak's user avatar

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