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Rotating texture by nodes

Nikita
2 Comments / Blender 3D / /

In order to achieve the desired texture mapping on the object surface, we need a convenient tool for manipulating the texture coordinates. Especially for procedural textures mapped to the object without using UV-s.

The “Mapping” node combines tools for texture moving, rotating and scaling is suitable for most of the texturing tasks. But sometimes its power is not enough. Its major drawback is that it allows setting adjustment values only in certain fields within the node body. These fields have no inputs and cannot be connected to the other nodes.

However, we can implement the required functionality devoid of the “Mapping” node lack with the help of some other nodes. Let’s consider how to build a node tree to rotate the texture around the Z-axis of the object by a random value.

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Fast intermediate nodes view in compositing

Nikita

Creating a node tree in the compositing window, sometimes it is necessary to see the intermediate result given by some parts of the node tree. For fast viewing click left mouse button on the desired node with the “ctrl” and “shift” keys pressed. Blender adds a new View node (or uses one of the existing) and connects the output of the selected node to it. The result is displayed on the backdrop (if the corresponding checkbox checked) or in the UV/Image Editor window in “Viewer Node” mode.

If the clicked node has several outputs, each subsequent click on that node switches the view to its next output.

PartitionRender add-on

Nikita
1 Comment / Blender 3D / /

Blender add-on allowing to interrupt the rendering process and resume it from the interrupted place. For those who are not able to have the powered-on computer for render for a long time.

For example, the whole image render takes 12 hours. And there is no way to have the computer powered on all the time, but it is possible to power it on for 5 hours with breaks. If you interrupt the standard rendering process to turn off the computer – the next time render starts from the beginning, and all progress is lost. PartitionRender add-on allows dividing the image into several blocks – partitions, each of them is rendered separately. Choosing division by X and Y in 2 parts, the image is divided into 4 blocks. Each of them will be rendered about 3 hours that fit in the time to work. Each partition after rendering saves to file. The next time (after rebooting the computer) PartitionRender automatically continues with the partition on which the break occurred. After finishing all partition renders, partitions automatically compile to the whole image in compositing.

Add-on is free and open-source. If you want to support it – you can buy the add-on for a convenient price, or set the price to 0 to download it for free.

PartitionRender add-onRead More »