Selection tools - PIX4Dmatic
PIX4Dmatic provides selection tools that allow you to select points from the point cloud for further use.
Selection tools in PIX4Dmatic
The following selection and vectorization tools (+Keyboard shortcut) are available in PIX4Dmatic:
Simple selection (S)
Rectangle selection (R)
Polygon selection (J)
Object selection (Y)
Color selection (Shift+C)
How to use selection and vectorization tools in PIX4Dmatic
Selection tools specifics:
- Simple selection (default): Click on the object to select it.
- Rectangle selection: Click on the first point and move to the second point to define the rectangle. All the objects, point clouds, and geometries, inside the rectangle, will be selected

- Polygon selection: Click as many points as needed to define the selection area.
- Object selection: Click on the desired entity, and the point cloud related to this entity will be selected. For further information, read this article.

- Color selection: Pick a color, and then similar colors within the given tolerance and radius will be selected.

How to edit selection results in PIX4Dmatic
- Simple selection: Click on a different element to change the selection.
- Rectangle selection: Once the rectangle selection is confirmed, it cannot be altered.
- Polygon selection: Once the polygon selection is confirmed, it cannot be altered.
- Object selection: Click on a different entity to change the selection.
- Color selection: Only one selection per click. It is not possible to add a new color to the selection.
Tip: By using rectangle, polygon, and object selection, it is possible to add points to an existing selection by pressing the Shift key and creating a new selection.
It is also possible to remove points from an existing selection by pressing the Alt key (Windows) or Option ⌥ key (macOS) when creating a new selection.