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generating HDRI with TS? About Truespace Archives These pages are a copy of the official truespace forums prior to their removal somewhere around 2011. They are retained here for archive purposes only. generating HDRI with TS? // Archive: Tech Forum 1  |   Order by default Post by Wigand // Jul 24, 2006, 7:19am Wigand Total Posts: 462 Is it possible to generate HDRIs from Truespaces renders? I did not find such an export format for HDRI in TS7.11 . Post by Bobbins // Jul 24, 2006, 7:49am Bobbins Total Posts: 506 HDRI is an import only format in tS. There is no export support. Post by TomG // Jul 24, 2006, 8:06am TomG Total Posts: 3397 You could in theory make one in a similar way as you would make one from photographs. Eg you could set up a sphere, render, and use different light intensities for the different exposures, or maybe better yet use different tone mapping settings for different exposures. Or render rotating the camera, same thing capturing different light intensities / tone mappings. You would then use a third party HDRI assembler program, one that takes a set of images and makes an HDRI out of them. Now this would by no way be exact to apertures etc on a real world camera but could give some interesting results! Direct export to HDRI is not supported though. HTH! Tom Post by Wigand // Jul 24, 2006, 8:27am Wigand Total Posts: 462 Direct export to HDRI is not supported though. That's a pity. If it would be supported, it could save render time. If you would have already a rendered HDRI with all the lights and objects, you can put the new things into the scene and render again and again at a fraction of time. (Needless to say that the HDRI itself would take much longer to generate) Post by RichLevy // Jul 24, 2006, 12:27pm RichLevy Total Posts: 1140 tone mapping and hdr can be generated from one single exposure, this program does a pretty good job of it http://www.hdrsoft.com/, the price is pretty reasonable too. I am not sure if Caligari saves any of it's renderings into 16 bit format, with Photoshop CS2 (and maybe some of the earlier versions) you can make a psyedo HDR from a single picture, then combine them into a single HDRI or EXR file. Hope this is of some help for you. Rich Post by louisbyrne // Aug 2, 2006, 5:57am louisbyrne Total Posts: 8 Truespace does support HDRI export. Sort of. But you need Virtual Light and the virtual light plugin. As stand alone, Virtual light will render on hdr 32 bits per channel. You will have to work your own procedural shaders as most of the native procedural shaders will only be exported as they were bitmaps and used as textures.

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