This paragraph refers both to rendering engines.
The image generated with the rendering process is physically correct, but sometimes you need to modify it with color grading effects in order to increase the visual impact.
Starting from version 2017, DomuS3D® provides a dedicated module for post-processing, that automatically pops up as soon as the rendered image is displayed in its dedicated window (this feature is not available with Render Manager, but you can manually open HDR image in DomuS3D® and use the same effects).
Despite the engine you are using, DomuS3D® 2017 allows you to save rendered images in HDR mode (HDR stands for High Dynamic Range, and the file format is EXR). It is a specific, professional format used by the most important and diffused post-processing software (such as PhotoShopTM), with which you can manipulate specific channels of the image: among them the Exposure value, as you’ll see in a while.
In the next image, you can see the available effects DomuS3D® offers for the post-process in App:
This mask pops up anytime the rendering process has been completed, unless you specify not to open this window when rendering has been completed.
In this mask you can change the Image Temperature: that’s the effect to use when you want to balance the white channel.
Exposure :is an index of the Exposure value of the entire image. This parameter is exponential, that’s to say that +1 means that image is twice its brightness, +2 means that the image is 4 times bright, -1 means that the image is half its brightness, etc...
Shadows: this effect controls the weight of the shadows in the scene, increasing or decreasing their intensity.
Lights: same as shadows, but this effect is related to lights only.
Saturation: used to manage the brightness of colours. Set this effect to minimum if you want to have a Black/White image.
Play around with this effects once you have created your first rendering, and you will see how powerful they are to calibrate the image even in case the original rendering parameters where not the optimum. Of course they are not enough in case the rendering setup is totally wrong, but you will learn how using those effects will often prevent you rendering again the same image, hence they are of paramount importance in order to save your time.
This article is valid for DomuS3D® 2017 and later versions