Graphics and Programming
Collect free online guides and tutorials about graphics and programming, and in particular new technologies and new languages that serve to create virtual reality environments and advanced web applications, using open source and non-open resources.
Guides and Handbooks:
Recent articles:
Blender tutorial: how to add dirt to a wall
In this fourth tutorial of the mini-course in english for Blender "From photo to 3D wall", we will see how to add dirt to the wall, with stains of humidity and mold, to which we had assigned a PBR material in the previous tutorial ("PBR material for brick wall"). To ...
Blender tutorial: PBR material for brick wall
In this fourth tutorial of the mini-course in english for Blender "From photo to 3D wall", we will see how to create a PBR material for the wall we are making, using the maps we had previously saved. A PBR (Physically Based Rendering) material is a material that should take into ...
Guide to Node Wrangler addon for Blender and pdf shortcuts
In this tutorial in english for Blender the main functions of the "Node Wrangler" addon are presented, with the relative shortcuts (of which you can download a list in pdf at the end of the page). For this guide we used Blender 3.1 and Node Wrangler 3.38, but the concepts ...
Blender: bricks with adaptive subdivision/microdisplacement
In this third tutorial for Blender (updated to version 2.93) concerning the creation of a 3D wall starting from a photo, we will see how to create the bricks of the wall using the Adaptive Subdivision, which is also called Adaptive Displacement, or Micropolygon displacement, or Microdisplacement, or Tesselation, so ...
Blender: bricks with the displace modifier
In this tutorial for Blender in english (updated to Blender 2.93) we continue the mini-course on how to create a 3D wall starting from a photo. In the previous tutorial https://www.graphicsandprogramming.net/eng/tutorial/krita/make-textures-in-krita/krita-tutorial-map-displacement-height-normal we created the various textures (displacement map, height map, normal map, roughness map, specular map) to be used as ...
Krita tutorial: how to create displacement, height, normal etc. maps
In this tutorial for Krita in english (updated to Krita 4.4.8) we will see how to create displacement, height, normal, roughness and specular maps from a photo. These maps are very important in the 3D world as through a texture they provide information on how the surface of an object ...
Blender useful 3d modeling tools
In this tutorial (updated to Blender 2.93) we mention some useful tools and functions for modeling, which can be useful for both beginners and the more forgetful experts. They allow both to save time and effort and to solve some problems, sometimes not easy to solve. Moving a vertex along an ...
Blender orbit a Camera following a spiral path
In this tutorial in english for Blender (made in Blender 2.93) we explain how to orbit a Camera around an object following a spiral path, what problems can arise and the possible solutions. Usually to present a product or an artifact it may be enough to turn the Camera around the ...
Krita tutorial: Introduction [ENG]
In this tutorial in english we introduce Krita, an open source 2D graphics program widely used for painting and creating 2D animations, providing a quick overview of its main functions. You can download Krita at https://krita.org/en/download/krita-desktop/ where it is available for Windows operating systems (the installer, but also the useful Portable ...
Blender change shadow intensity and color with the Compositor
In this tutorial for Blender (updated to version 2.9) we see how to change the color and how to darken/lighten the shadow of an object in the Blender Compositor. This can be especially useful when we want to add a 3D object on a pre-existing photo, to better adapt the ...