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: Adding reflections to only part of an object
In this tutorial we will see how to add a reflection only to a part of an object/mesh in Blender, using the "View layers" in the Compositor. For example (as we had been asked on social media) if we want to create a building with a metal structure, with an ...
Blender: complete guide to the Ivy Generator add-on
In this complete guide to the Ivy Generator add-on for Blender we will see how to use it to easily add ivy to an object, we will analyze its parameters by presenting various examples, and finally, since this tutorial is part of the course "Blender course: from photo to 3D ...
Blender: how to add graffiti to a wall
In this tutorial we will see how to add a graffiti/text/stencil to the "wall" that we had created in Blender in the previous tutorials of the "Blender course: from photo to 3D wall" mini-course. We will use as the graffiti image, to apply the wall, the one we created in ...
How to make graffiti in Krita
In this tutorial in english for Krita we will see how to create graffiti in Krita. We will use as a base texture the image of a wall (the "diffuse" texture of the mini course "Blender course: from photo to 3D wall" of which this tutorial is a part) downloaded ...
Blender tutorial: how to add dirt to a wall
In this fourth tutorial of the mini-course in english for Blender "Blender course: 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 ...
Blender tutorial: PBR material for brick wall
In this fourth tutorial of the mini-course in english for Blender "Blender course: 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 ...
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 ("Blender course: from photo to 3D wall"), we will see how to create the bricks of the wall using the Adaptive Subdivision, which is also called Adaptive Displacement, or ...
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 ...