Operators for globally hiding objects in all project scenes
To hide an object in the 3D Viewport window for the current scene we use the “object.hide_view_set” operator, which calls when we clicking the icon with an “eye” in the outliner. However, to hide the object in the viewport for all scenes of the project at once (clicking on the icon with the “monitor” image) a special operator is not provided. We can make it ourselves.
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Showing an object dynamic property on a UI panel
The Blender API recommends creating custom object properties through the predefined bpy.props classes. For example, the bpy.props.IntProperty class is used to add an integer property. These properties are convenient, work well, and are easy to display on the user interface panels.
Blender 2.93.4 LTS release
The Blender 2.93.4 LTS release is now enabled for downloading on the official Blender site.
Blender add-on: Parent to Empty
Parent to Empty – Blender add-on for quickly parenting selected objects to an empty.
Delete Geometry Node
Geometry Nodes has a node that allows us to remove required vertices from a mesh. This is the “Delete Geometry” node.
Difference between the “eye” and the “monitor” icons when hiding objects
To hide objects in the 3D Viewport window, we can click the “eye” icon in the outliner near the desired object name (press the “H” shortcode), or we can click the icon with the “monitor” image. In both cases, the object will be hidden.
So, what’s the difference between these two variants?
It is very simple:
Clicking on the “eye” icon hides objects only in the currently active scene of the blend file.
Pressing the icon with the “monitor” hides objects in all scenes of the blend file at once.
Using UV coordinates for working with mesh geometry
With the coordinates of the UV, we can manipulate not only materials but also the geometry of the mesh itself. We can connect the UV coordinates with the mesh geometry using “Geometry Nodes” in Blender.
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