HDRI vs HDRI Prep

The HDRI Application is a photorealistic 3D image creation helping tool. The HDRI Application works with a 360 panoramic camera (not supplied) and can be used in many fields, including: - cinematography, special effects - virtual reality - augmented reality The quality of display of a virtual object is key. Some situations require rendering virtual objects with a display that is similar to reality (the user must not be able to distinguish real objects from virtual objects, this is called photorealistic rendering). The virtual restitution of the various physical phenomena observed in reality requires a deep understanding of the scene and its environment (e.g. identification of light sources, their intensities, their temperatures, etc.). The HDRI Application allows you to take a number of photos using a 360 panoramic camera which can then be stitched together* to constitute a high-dynamic-range image (in HDR or EXR format). This image can then be used as a source of lighting and reflection for a 3D scene. *WARNING: The present version of the HDRI Application only allows you to control the 360 panoramic camera. The stitching of the photos (creation of a high-dynamic-range image in HDR or EXR format) must be carried out using a third-party application (e.g. Photoshop®, PTGui®...).

Build a library of HDRI exposure brackets for your RICOH THETA V, Z1 or X, and fire them off on set in seconds. The THETA can shoot multi-exposure brackets, but setting them up in the official app is slow, and you can't save them to reuse later. HDRI Prep fixes that. Set up a bracket once, name it, file it under your show, and call it up whenever the lighting calls for it. BUILD BRACKETS THE WAY YOU THINK • Choose 3 to 19 photos, 1 to 3 stops apart. No need to set each exposure by hand. • Pick a center shutter speed, and the bracket spreads evenly above and below it. • Set aperture, ISO and color temperature for the whole bracket at once. Choices are limited to what your camera can actually do. ORGANIZED FOR PRODUCTION • Name brackets, group them by show, drag to reorder, and copy or move them between shows. • Each bracket is tinted by its color temperature, so tungsten and daylight setups stand out at a glance. ON SET • Live View, flat or as a 360° view you can drag around, to check the frame before you shoot. • A shot counter and timer while the bracket runs, and Cancel if you need to stop. • View the photos from that bracket the moment it finishes. • Browse the camera's photos, inspect them full screen or in 360°, share them to Photos, Files or AirDrop, or delete them from the camera. • Find nearby THETAs and join their Wi-Fi from the app. Cameras you've used are remembered. • Adjust the camera's shutter volume and sleep delay. TRY IT WITHOUT A CAMERA Demo Mode loads sample 360° brackets so you can explore every feature before you plug in a THETA. Works on iPhone, iPad and iPhone Duo, and includes a built-in Manual. GOOD TO KNOW • HDRI Prep connects over the camera's own Wi-Fi (the camera's access-point mode). • Shutter volume and sleep delay are saved to the camera itself, so they stay set even when HDRI Prep isn't running. • HDRI Prep focuses on bracketing. It isn't a replacement for the official THETA app, which works well alongside it. Built by a VFX artist for VFX artists. If "HDRI" and "THETA" mean something to you, this was made for you. HDRI Prep is not affiliated with or endorsed by RICOH. RICOH THETA is a trademark of Ricoh Company, Ltd. Site and Privacy Policy: https://squirrelfx.llc/hdri-prep.html