Plan / Top View Perspective Rendering

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Vic

Registered:1484938710
Posts: 5

Posted 1484939142 · Edited	Reply with quote #1

Hi everyone. I've been trying to render a floor plan in top view but showing sunlights coming through the windows and not the ceiling. Because I have to see the entire top, I have to either leave it open, or use a section cut; but either one allow sunlight to enter from the top.

bigstick

Moderator
Registered:1165246934
Posts: 10,106

Posted 1484941707	Reply with quote #2

Easy >Camera>Parallel projection If the floor is overexposed, chances are that you've made one of those surfaces emit light. Don't do that... __________________ That which does not kill us makes us stronger -Friedrich Nietzsche

Vic

Registered:1484938710
Posts: 5

Posted 1484960960	Reply with quote #3

Is there a way to make the ceiling cast shadow but invisible to see like in 3ds Max?

bigstick

Moderator
Registered:1165246934
Posts: 10,106

Posted 1484984417	Reply with quote #4

Afraid not __________________ That which does not kill us makes us stronger -Friedrich Nietzsche

Vic

Registered:1484938710
Posts: 5

Posted 1485025252	Reply with quote #5

Quote: Originally Posted by bigstick Afraid not Okay thank you

Nick00

Maître érudit
Registered:1233619430
Posts: 3,277

Posted 1485095293	Reply with quote #6

The best way to deal with those IMO is to turn shadows off and render with a pale gray uniform background. Makes a clean plan render. If you really want to show some light coming through the windows maybe you can try placing LEM in the windows.. __________________ Podium Tech. Support

RCoolidge

Registered:1472926894
Posts: 4

Posted 1486508636	Reply with quote #7

This got me thinking in photography terms again. What's needed here is what photographers call a "flag." Jargon for other similar devices include "gobo" and "cuculoris" (or "cookie"), but this is just a simple flag. Here's an example: two vertical faces shade the overall plan while letting sun come through the windows. With results like this: Some work was done in Photoshop to remove the flagging surfaces from the final image.

Nick00

Maître érudit
Registered:1233619430
Posts: 3,277

Posted 1486520015	Reply with quote #8

That's very clever! Great idea, simple and effective! __________________ Podium Tech. Support

Nibelungs

Shodan Master
Registered:1383859394
Posts: 354

Posted 1486526168	Reply with quote #9

heuuuu... Thank you RCoolidge __________________ Nib https://www.facebook.com/IDAstudioInc

dldieterich2

Registered:1274994785
Posts: 61

Posted 1490899881	Reply with quote #10

I have a technique to deal with this issue, though I see it from a slightly different take as an interior designer. I want to create shadows under furniture pieces and other items in the model to give it some depth, but don't want the walls to create shadows either. You can see my attached image for the look that I'm going for. I use Podium's material properties box to deal with this issue by unchecking "cast shadows" in the appropriate materials on the walls. (see attachment) Usually the list is fairly minimal: wall colors, color for top of walls, and the materials used for the windows and doors. It takes a little back and forth with rendering since you don't see the effect of this until you've rendered. If I'm doing a floorplan in SketchUp and not rendering it, I can more easily accomplish this by making a quick group of everything above furniture level, putting this on a layer called "no shadow" and then have this layer not cast a shadow by using the entity info dialogue box. (See attachment 2) It would be excellent if Podium could be made to recognize this "no shadow" option in the entity info box so I could use the same method for both rendered and non-rendered images. Hope that helps! Attached Images Rendered Floorplan Example.jpg (476.61 KB, 16 views) Podium Example.JPG (40.55 KB, 15 views) Podium Example 2.JPG (258.43 KB, 12 views)

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