We have often spoken of “Transparency channel” de una imagen, which describes the points or “pixels” of said image which do not have an associated color and thus are “transparent”.
A Blender, transparency canal, can get other channels, appropriately combined, defining the final image.
The coincidence of Christmas with the winter season in the northern hemisphere makes associate snow with these festive dates.
We could not miss us to conduct a snowflake in Blender for a Christmas wallpaper as in past years, with the “Snowflake 2011”, “Snow flakes” or the creation of a material for a realistic snow snowflake.
In this case we have used the system with particles rendering techniques in layers and overlapping with nodes “Mix” to create this new format snowflake wallpaper 1280 x 1024.
We have seen how to separate elements in layers. To date it has helped us to simplify the process of editing the geometry disabling to hide different layers.
In this article we will see the real power of this technique layered structure manifests when using the “Composer” (in the node editor), namely, in post-production in which we merge the layers of image.
One of the techniques used in post-production is the composition of images to add special effects (VFX) the decorated.
Technique “Chroma” consists of overlapping portions of different images, eliminating a color of one of them and making transparent.
After seeing a real example (ledge of apple orchards) on composing panoramic images, we get into our virtual laboratory to analyze some possibilities of software “Microsoft Image Composite Editor” To perform the various tests that subject this creation software panoramic compositions, It has built a simplified model… (leer más)
When we travel and find scenery like we can get several photos of the same place to take a full memory of what we perceive visually. These partial images (limited by the camera lens) they can become an overview linking the different shots. Met it a very easy to use tool to the… (leer más)
By forming synthesis or edit images use a series of mathematical operations “mixed” or “merge” colors ghosting.
The rules governing this composition are included under what is known as Porter-Duff rules after the first article documented that structured.
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