Anamorphic Reflection Illusion on Horisontal Surface

[pipinek]

Greeting and Merry Christmas and Happy, Normal New Year to all of you,

I have been searching for an exact replication/presentation of a building reflection on a horisontal surface.
The effect should be perceived as an Reflection, as if in mirror, or water surface but on a mate surface of the front square.

A person standing in front of the building should see, perceived an 'Reflection’ of the facade.

I would be truly grateful for any geometric construction suggestions using Sketchup, or perhaps some useful plugin?

Hope I have managed to make myself understood.
Many thanks in advance with the repetition of my above wishes.

PS
Oops, I have just noticed that is far probable that my post has been not placed in the better place on the forum.
I apologize and would be thankful if the admin could redirected it to the very appreciate section.

[pipinek]

@dave r said:

Would something like this work?
[attachment=0:1r7nd7e5]<!-- ia0 -->SlantTopDesk.png<!-- ia0 -->[/attachment:1r7nd7e5]

Hullo,

Thank you very much for your response.
Exactly, well, I think it could work in my very case.

Here is some precision.

I am about to propose an illusion of reflection on a paved surface in front of a cathedral.
It could be perceived from a certain distance of a person placed in a central axis in front of the facade.

I am aware that it is possible to achieve the effect by some amount of manual constructions within Sketchup (a mirror of the facade and tracing some line to the elevation be projected on the plane, etc).
This way though seem to me a bit inexact. I am anxious about the most precise exactitude. The is a risk that the proposition would be put into reality.

I will appreciate any guidance of the experienced user cause I have been still not the smartest... in this room.
Thank you in advance with my best regards.

[pipinek]

I am afraid it is not the effect I am aiming.

Perhaps these two images will help me to make myself understood.

A - Cathedral
B - Projected on a horizontal the emulation of the reflection (C)-on the picture this is simple projection/rotation of A/C
C - Flipped form/facade - 'reflection'

The goal is to reproduce the perception of C by the deformed adequately the form B (simple projection/rotation will be seen in perspective as the flatten, rotated facade and NOT as a reflection.

I have been looking for a method of conceive the form B to represent the C one as it is on the horizontal surface.

Hope it is a bit less confusing.

https://www.google.ca/search?ei=FEs7WoKjHMGMjwStq7K4BQ&sjs=15359&q=anamorphic+illusion+street&oq=anamorphic+illusion+street&gs_l=mobile-gws-serp.3..0i22i30.3998.19231..19804.......190.3572.40j4............mobile-gws-wiz-serp.....3..0j41j46j0i71j0i13j0i10j0i67j0i131j0i46j33i160j33i21.OZTpgUk4iok%3D

[gilles]

A quick method:

Note that you may have to modify camera angle and the distance of the POV to see all the "reflection".

[pilou]

Maybe there is also a Tig plugin who can help you

Radial Lines
or Radial lines fixed

[pipinek]

@gilles said:

A quick method....

Note that you may have to modify camera angle and the distance of the POV to see all the "reflection".

Merci beaucoup Gilles, c’est exactement ce dont j’ai besoin.

I will digest it and make some exercises. The effect is really satisfying. At least this virtual one above.
I you do not mind I will far probably allow myself to contact you for, eventually some precision and of course proudly show you the final result of my work within SU.

You have mentioned at the beginning that this has been a quick way, what should be the 'slow' one?
Is it possible to reduce a distance between the facade and the most far point of its projection on the horizontal surface in front of it, I mean the highest point project of the elevation?

You have advised to use 0.001 scale factor, what if I use meters as units?

I am really thankful for your elucidation such well illustrated, explained.

[pipinek]

Thank you very much pilou. I will certainly give a try.
My best wishes.

[gilles]

@pipinek said:

@gilles said:

A quick method....

Note that you may have to modify camera angle and the distance of the POV to see all the "reflection".

Merci beaucoup Gilles, c’est exactement ce dont j’ai besoin.

I will digest it and make some exercises. The effect is really satisfying. At least this virtual one above.
I you do not mind I will far probably allow myself to contact you for, eventually some precision and of course proudly show you the final result of my work within SU.

You have mentioned at the beginning that this has been a quick way, what should be the 'slow' one?
Is it possible to reduce a distance between the facade and the most far point of its projection on the horizontal surface in front of it, I mean the highest point project of the elevation?

You have advised to use 0.001 scale factor, what if I use meters as units?

I am really thankful for your elucidation such well illustrated, explained.

I wrote " A quick method:" because it's fast.
Scale as nothing to do with units, 0.001 is 1/1000 whatever the unit just to see the face and being able to manipulate it without over zooming.

"Is it possible to reduce a distance between the facade and the most far point of its projection on the horizontal surface in front of it, I mean the highest point project of the elevation?"

I set the Point Of View to see everything on the screen, but in reality do not forget that your eyes are not static and you can reduce the distance between the facade an the POV but what will you see on the screen?

Experiment then feedback.

Note: I won't have internet for a week, take your time.

Happy new year.