The latest Guthrie or HDRI heaven or Hyperfocal are samples of High quality, well developed HDRI to be used as background and also lighting.įree ones you'll find online quality will vary. Having said that, if your HDRI is high quality (not the size but actual amount of lighting information) you don't need to do this inverse gamma fix. Starting with some general modeling tips, we then cover the basic steps to build a custom lighting and environment rig that will be suitable for rendering any type of jewelry. If you move any other value the effects you'll get will depend on the quality of your HDRI and here is where it gets tricky, as mentioned by common quick fix of low dynamic range images is using the inverse gamma value, this create more contrast in the image, producing more saturated colors and 'shaper' shadows. In this tutorial, we go over the process of lighting and rendering jewelry in Vray. This will increase the lighting and project the colors of your HDRI on the scene. Overal I would recommend using the Light intensity first.
If you use the output value this is the mix between the bitmap and the default material color. This can create excessive color bleed or color splotches. If you go to default 3D Max bitmap controls, the RGB value will increase the colors values, this will make the image 'brighter' by saturating the colors. In that case, the overall multiplier will make the image more or less bright on your viewport and when rendering, V-Ray give you the option to separate these if you like. I am guessing you are talking about loading an HDRI on V-Ray HDR shader. Overall the results are 'similar' but depending on the image these would be very different. Well actually, each value will affect the way the image in a different way.
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