Assets are grouped in Categories for ease of access and use. On top of the central Asset Editor's panel you can find the Materials, Geometries, and Textures categories.
If the category is empty, you can create an asset by left- or right-clicking. If there are already items in it, left-click will select the directory, while a right-click always opens a list of available assets to choose from in order to create them. The Asset creation drop-down list remains active when the Ctrl key is held, allowing the creation of multiple assets in quick succession.
Each Category has a Search Scene tab on the top of the list. You can search for assets from the category selected. You can select more than one category or asset at a time with Ctrl+select or Shift+select.
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The Assets tab search function only displays top-level hierarchy assets.
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The Asset lists have some additional multi-selection functionalities:
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Ctrl + Left-click on deselected item - Adds to the selection;
Ctrl + Left-click on selected item - removes it from the selection;
Ctrl + A - Selects all items in the list/category;
Shift + Left-click - expands the range of the current selection;
Left-Click + Drag - Drags only the clicked item entry;
Shift + Del - deletes the selected asset(s) without showing a confirmation dialog;
Right-Click on deselected item - Shows the context menu for the item and does not change the current selection;
Right-Click on selected item - Shows the context menu for the item and doesn't change the selection. If multiple entries are selected the context menu will display only their common actions.
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Most numeric V-Ray parameters come with a slider to make fine-tuning easier. Each slider is set to a default range of recommended or commonly used values. If a value above that range is used the slider adapts by increasing its range accordingly (2x the input value) to maintain usability. If a value below the current slider range is used, the slider again adjusts its range by shrinking it to twice the amount of the input value.
Тhe slider range does not indicate the parameter's total minimum and maximum input values. The absolute minimum and maximum values of each parameter can be found by hovering over its spinbox.