What is Digital 3D Painting?
What is Digital 3D Painting?
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3D painting is when y'all paint a texture directly onto a 3D model. This is a similar process to 2d painting simply requires knowledge of texturing and working with 3D assets. The primary software for 3D painting is Adobe'due south Substance Painter 2 and Pixologic's Zbrush.
The reward of 3D painting over traditional texturing methods is you can run across how the texture looks on your model in real time.
This allows you to add finer details to smaller areas of your texture easier equally they may exist hard to find if you do a 2d unwrap with software similar Adobe Photoshop.
Also worth noting that texturing your model is one of the most important steps in making your 3D artwork wait more lifelike, or to add your own unique style to the final piece.
So y'all want to make absolutely sure that y'all get this essential function of the 3D process done to the highest possible standard.
When a model is UV unwrapped the surface of the model tin can ofttimes be warped into a strange shape in order to avoid as much baloney of the UVs as possible. For example, when a human being caput is unwrapped you frequently finish up with a butterfly like shape.
This can make visualising the texture equally you lot make information technology in second software very difficult, sometimes leading you to have to salve it out multiple times to view it on your 3D mesh to run across your progress.
This tin can be quite a time consuming and frustrating process and using 3D texture painting eliminates it entirely.
3D Texture packages are also much more powerful as they allow you to paint on or edit different texture map slots, such every bit specular or normal maps, with ease.
These tin can generate fully calculated maps from the 3D model, as it is already loaded into the texture software. This allows y'all to easily add areas that are shinier, duller, raised or lowered in your texture… all while seeing the result instantly then you know if yous're going in the right direction.
While you tin do similar things in Photoshop by making the prototype grayscale for specular maps, or using the Nvidia normal map plugin, these results are never as accurate as using a 3D painting tool.
Pregnant you are unremarkably limited to editing diffuse maps in second software.
There are some other benefits to having your model available in 3D while texturing as well.
Some packages accept generators or particle effects that depend on the angles & orientation of certain parts of your geometry.
Good examples of these are both in Substance Painter.
If you add the worn edges generator it automatically finds where the edges of your model are (by baking what is chosen a curvature map) and tin add wear onto information technology from there.
It can also add rain or dirt trickling down the model using its particle furnishings so this is really useful.
And it's for all these reasons that 3D texturing software is slowly becoming the norm in the industry to become the all-time results from your models.
In some cases(usually in architectural visualization and some surroundings modelling) yous tin can employ unproblematic premade tileable textures to become adept realistic results.
However for more detailed textures, or for things with imperfections that crave custom made textures, 3D painting is the fashion forward.
Also if you would like to give 3D painting a try yourself just know that Adobe offers a demo for Substance Painter and Pixologic similarly offers a Zbrush demo.
If y'all want to try either 1 but to test out the procedure nosotros practice have plenty of resource and tutorials that'll point yous in the correct direction.
Author: Thomas Denham
Thomas is a 3D creative working with both high and low poly modelling for still renders or existent fourth dimension engines. He is currently working freelance afterward spending 4 years at a multi-national VR company. To see Thomas' work and learn more, feel free to expect at his personal site.
Source: https://conceptartempire.com/3d-painting/
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