spyboy
Posts: 239
Location: New Hampton, NH, United States
Registered: 7 Oct 2006
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lighting and an interior pano of a car
Posted: 29 May 2008 at 17:41 GMT
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Just wondering if there are any good tips for how to light a car for an interior pano.
My last experiment, I draped a sheet over all of the windows to diffuse the light, but it was hard to get even lighting throughout the car.
I thought about a mini light on the camera, but that's going to cause shadows near the edges of each shot, so it will give a weird effect to the stitched image.
HDR might yield better results in the interior, but there still needs to be light outside the vehicle.
Any thoughts/suggestions?
Kirk
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Philip Warner
Posts: 23
Location: Austin, United States
Registered: 14 Mar 2008
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Re: lighting and an interior pano of a car
Posted: 29 May 2008 at 21:04 GMT
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Kirk,
Shooting outside on an overcast day with multiple exposures should work well. I've done it twice on a partly cloudy day and it worked. An overcast day would be better.
Here's one of mine I did the second week of me learning how to shoot and stitch panos. www.flickr.com/photos/philwarner/2272783228
The tripod wasn't properly secured and moved causing stitching errors. I was also in a hurry and forgot the nadir shot. It was the first time I tried using Enfuse so that part of the experiment was a success.
Phil
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gus
Posts: 382
Location: United Kingdom
Registered: 19 Jun 2007
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Re: lighting and an interior pano of a car
Posted: 30 May 2008 at 11:42 GMT
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I am aware of two methods: 1) studio conditions - white cloth draped around the vehicle and 2 or more slave flashes bounced into the vehicle from outside. 2) outside on a overcast day, with loooong exposures.
As Phil mentioned, its not easy to rotate the camera within the confined space of the vehicle, whether on the seat or between the seats. Some panographers use a boom arm stuck through the window, to allow the camera to end up in the driver's head position for a more realistic view. More importantly, since the camera is rotated vertically, the "nadir" ends up being within the window where the boom pokes through, which is easily cloned. gus
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tturner
Posts: 81
Location:
Registered: 28 May 2006
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Re: lighting and an interior pano of a car
Posted: 9 Jun 2008 at 2:31 GMT
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Kirk, I shot this car interior with two exposures in full sun. One exposure for the interior and one for the exterior. I then stitched the two panos with the same control points and used layer masks to put together. This was a quickly processed demo for a client to show the possibilities. A few of the edges on the mask could be better but they mainly wanted to see if you could put a camera in a vehicle. With this technique you can put your car anywhere by using other backgrounds for the window cutout. This theory would hold true if you shot in a studio as well. I used the camera timer and gently opened the door to change exposure and rotate.
www.turnerimaging.com/fullscreen/car.html
Enjoy, TTurner
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Castillonis
Posts: 6
Location: Portland, Oregon, United States
Registered: 10 Jun 2008
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Re: lighting and an interior pano of a car
Posted: 10 Jun 2008 at 22:13 GMT
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Great shot of the car interior. Getting the nadir would probably make you pull your hair out. I think I want to try this I will need to pick a good spot to park the car. Do you think about dithering the mask on the windows or using a gradient?
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tturner
Posts: 81
Location:
Registered: 28 May 2006
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Re: lighting and an interior pano of a car
Posted: 11 Jun 2008 at 3:31 GMT updated: 11 Jun 2008 at 3:33 GMT
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Thanks glad you liked. I did not shoot the nadir mainly for speed so I could get the demo out to the client. Part of the tripod was cloned out and what was not quickly done was blocked in the final presentation. This demo was more to show that you could put a camera in a small area. The client was actually a helicopter manufacturer and they wanted to know if you could shoot in a helicopter. This pano went in with my proposal to try and win the job. Did not get the job but still like how the pano turned out. The windows were a compromise because the back windows are tinted and the front is clear. The difference did not bother me at the time but I could tone down the front windows some. Again, you can park your car anywhere but the pano for the window replacement needs to be shot at the same height as the interior pano so the perspective lines up. Also would need to line up the direction of the sun between out and in so shadows and highlights are correct.
Good Luck... TTurner
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