AutoVue


User-defined Coordinate Systems

In AutoVue you have the option of creating customized three-axis coordinate systems. As with the Global Axes and the World Coordinate System, the user-defined axes are represented by a red X-axis, a green Y- axis and a yellow Z-axis.

When you set a User-defined Coordinate System (UCS) as the active axes, operations such as measuring, transforming a model, or defining a viewpoint are applied with respect to these axes.

You can create multiple UCS's for a 3D file. For multiple-page 3D files, you can even set active a different UCS for each page.

Position Options

When defining a UCS, you can define the point where you want to place the user coordinate system. The options are:

Position
Description
(x, y, z) Coordinates
If selected, enter a value to specify where the three axes are positioned.
Vertex
If selected, all vertices are highlighted on the model. A snap box appears when you move the cursor on a vertex. Click the vertex point where you want to place the user coordinate system. The x, y and z coordinate values for the vertex are displayed. The UCS axes move to the new position.
Edge
If selected, all edges are highlighted on the model. A snap box appears when you move the cursor near an edge. Click at a point on an edge where you want to place the user coordinate system. The x, y and z coordinate values for the edge point are displayed. The UCS axes move to the new position.
Midedge
If selected, all edges are highlighted on the model. A snap box appears when you move the cursor near the halfway point of an edge. Click at the mid-edge point where you want to place the user coordinate system. The x, y and z coordinate values for the mid-edge point are displayed. The UCS axes move to the new position.
Arc Center
If selected, all arcs and circles are highlighted on the model. A snap box appears when you move the cursor near the center of a circle or arc. Click on the arc center where you want to place the user coordinate system. The x, y and z coordinate values for the arc center are displayed. The UCS axes move to the new position.
Face
If selected, when you move the cursor along a model face, the face is highlighted. Click at a point on the face where you want to place the user coordinate system. The x, y and z coordinate values for the arc center are displayed. The UCS axes move to the new position.

Orientation Options

When defining a UCS, you can define the orientation for the coordinate system. The options are:

Position
Description
(x, y, z) Coordinates
If selected, enter a value to specify the UCS orientation according to one or more of the three axes.
Edge Tangent
If selected, all edges are highlighted on the model. A snap box appears when you move the cursor near an edge. First select the axis that will determine the UCS orientation. Click at a point on an edge to define the orientation. The x, y and z values for the edge point are displayed. The UCS axes are reoriented to the selected edge.
Face Normal
If selected, when you move the cursor along a model face, the face is highlighted. First select the axis that will determine the UCS orientation. Click at a point on an face to define the orientation. The x, y and z values for the face point are displayed. The UCS axes are reoriented to the selected face.
2 Vertices
If selected, all vertices are highlighted on the model. A snap box appears when you move the cursor on a vertex. First select the axis that will determine the UCS orientation. Click two vertex points to define the orientation. The x, y and z values for the vertices are displayed. The UCS axes are reoriented to the selected vertices.
3 Vertices
If selected, all vertices are highlighted on the model. A snap box appears when you move the cursor on a vertex. First select the axis that will determine the UCS orientation. Click three vertex points to define the orientation. The x, y and z values for the vertices are displayed. The UCS axes are reoriented to the selected vertices.


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