I'm pleased it works for you and I too have used it for small items but how far away from the existing panel template would you need to be to get a photograph without lens distortion ?
Last edited by EddyCurrent; 22-08-2014 at 08:28 AM.Spelling mistakes are not intentional, I only seem to see them some time after I've posted
22-08-2014 #14Spelling mistakes are not intentional, I only seem to see them some time after I've posted
i happen to be a pro photographer, apart from all.
FYI the real proper way to this is the following:
You need camera, tripod, contrasting wall/best buy from ebay proper green background/ or paint a wall dark electric green, Photoshop, Vcarve.
1. Do a Google search and find what is lens calibration. Download from adobe site the lens calibration utility. Go to a print shop and print one of the sample square grids.
Hang it on the wall. Make all the necessary photos in camera raw using tripod, camera squared to the center of the grid hanging. Follow their instructions precisely and at the end you will have a lens profile for that particular lens on that particular camera sensor.
The end result would be that when you make photo in RAW format with that setup, Camera raw will apply the profile automatically and you will have perfectly dimension rectified photo.
2. then use v carve trace.
PS. Resources / i did the search for you as lens calibration could mean other things too/. Dont use ready lens profiles, as if you aim precision of distortion correction it could be lens and camera specific, not always, but better be sure.
PS2. Lens calibration could be done even on mobile phone lens, but then you will definetely need some knowledge of camera Raw and Photoshop.
PS3. List of supported lens/ that have already profiles/
PS4. the photo could be taken as JPG, though RAW is better. You can open the JPG as Raw format, in Lightroom and Camera Raw browser. Ctrl+R comand
Last edited by Boyan Silyavski; 22-08-2014 at 01:50 PM.
silyavski, good one.
It looks like RawTherapee works with the profiles, and it's free !
With regard to the panels, I'd still be measuring and drawing I think, even if it's just for the practice.
Last edited by EddyCurrent; 22-08-2014 at 03:04 PM.Spelling mistakes are not intentional, I only seem to see them some time after I've posted
I often wondered what use RAW format files were. My camera files images as JPG and RAW and I have never had a real use for it so far. Thanks Silyavski !
Raw is what the pro's work from in photography, its basically a lossless format, any other format typically means the photo loses details and so on.
You can import a jpg file into most cad programs as a reference image and then on a different layer trace round the outline of the panel with lines, arcs etc. If you measure one straight edge of the template you can then scale your drawing after you've drawn it. I use this for converting old RC plane plans to CAD drawings...scan them in, trace round the lines, scale and then you're done...simples
Last edited by njhussey; 23-08-2014 at 07:21 AM.Neil...
@calibanman, how did it finally work out for you ?Spelling mistakes are not intentional, I only seem to see them some time after I've posted
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