archived-videos GIANT ROBOTS --forced perspective

sonnyboo said:
I can't figure out how he did that with the car casting reflections and the pavement blending so perfectly.
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[looks like he extended the video a little more]

The blue car is a model car...really small. I think the truck is too.

The pavement is fake--a slab in front of the camera...the sidewalk in some shots too I think. He explains it a little on the YT video page.
 
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Brooksy said:
Not bad. I would be more impressed if he could make the camera move in some of the shots. But well done I'd say.
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Ya...but that's an entirely different beast. You couldn't match it without CGI I think. The blending would be impossible to keep practical and believable...I think.
 
M1chae1 said:
Ya...but that's an entirely different beast. You couldn't match it without CGI I think. The blending would be impossible to keep practical and believable...I think.
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or without motion control for both camera & the miniatures. See the LORD OF THE RINGS for how they had huge moving rigs for tables & chairs to keep the forced perspective in dolly shots.
 
Yeah LOTR is what I was referring to. That did some awesome stuff for those movies. Again very good for what it was and much better then what I could do.
 
sonnyboo said:
or without motion control for both camera & the miniatures. See the LORD OF THE RINGS for how they had huge moving rigs for tables & chairs to keep the forced perspective in dolly shots.
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Exactly...you'd have to have a very controlled move of foreground props...which I guess is feasible...but on lower budget films, people probably wouldn't create these prop shift devices....

But ya, good point.
 
knightly said:
they'd be easy to make though, either physically or electronically.
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Easy? :) lol...

Creating a tracking forground forced perspective rig to follow the exact movement of the camera? Easy? OK. I'll be sure to call you up next time we're making one. lol.
 
Small electric motors with potentiometers to adjust speed, cabled to furniture movers/ car creepers.

Mark the start points of the foreground objects, then adjust their speed to fit your needs one by one until they all play right.

Reset to 1.

wire all the elements to a single array of switches that you can throw all at the same time and roll camera, action.

Schematic:
Code: 
9v______________/ ____________Motor---------------------------sled
                |
9v______________/ ____________Motor---------------------------sled
                |
9v______________/ ____________Motor---------------------------sled
 
Maybe don't even need motorised.

This stop-motion Transformers video (linkage) uses a variety of techniques.

The "making of" video for it (linkage) shows the tracks they used, at the very end. All eye-balled and guestimated - and moved by hand.

Not really about forced perspective, I guess, though.

The world needs more giant killer robots. :)

.
 
One could even do a single pull with pulleys to alter the speed of the individual runs.

<grumpy old guy DIY rant>
I bemoan the gradual replacement of the gameboy over the erector set that taught kids for many generations the physics of mechanical things. These concepts have become just pictures in textbooks over the past 20 years. It's shocking how much real world knowledge we've lost in the transition from the industrial age to the digital age. I remember making and playing with electromagnets built with random wire I had laying around and stray nails. Building electronics and mechanical devices with stuff I had laying around.

Now that I've ranted, I have to attempt to try to solve the problem (because I dislike it when people complain without trying to solve the problem):

Some electronics, physics, woodworking, model making and various random projects in this list of sites. From basic skills to advanced :)

http://makezine.com/
http://jap.hu/electronic/
http://www.electronicsinfoline.com/
http://www.energyquest.ca.gov/projects/electromagnet.html
http://www.energyquest.ca.gov/projects/#electricity
http://www.csiro.au/resources/DIYScience.html
http://blogs.scienceforums.net/swansont/archives/category/diy-science
http://www.diyadvice.com/diy/built-ins/basic-skills/
http://home.comcast.net/~cinorjer/index3.htm

There, that should just about do it.
</grumpy old guy DIY rant>
 
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