Pressing Ctrl+Alt+B, or selecting Clear Render Region in the View Regions submenu in the View menu will disable the region. For designers with slower workstations and extremely large files, this can be very useful. When working on a complicated scene, you can isolate geometry or complex elements and limit the calculations needed to render in the viewport. When setting the viewport shading mode to Rendered, it will only calculate the information inside the designated render region, which should have the effect of decreasing rendering time.
You can achieve this by using the Ctrl+B shortcut, once again clicking and holding the left mouse button and dragging the rectangle to create the region. All editing tools also work as usual within the designated region.įinally, with the Render Region tool, you can render a specific area of the 3D view, allowing for easier editing of heavy calculations. You may notice that the object in your scene is no longer visible or “clipped.” You can still use navigation tools as usual to zoom and change the angle of the scene in the viewport, but you will notice that only the inside of the Clipping Region’s designated volume is visible regarding your object. Using the left mouse button, click and drag to create a rectangle, which will define the region of the space to be clipped within the 3D space. You can activate the tool with Alt+B or by using the View menu and locating Clipping Region in the View Regions submenu. Right-angle parallelepiped volume (unlimited length) if the view is orthographic. The Clipping Region will not simply be a flat rectangular region, it will actually create a volume: Rectangular pyramid volume (infinite length) if the view is in perspective. Other tools such as paint, carving, sorting, and transforming photography will disregard the geometry outside the boundaries of the designated region. When the Clipping Region tool is applied, only what is inside the region that you have designated will be visible.
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