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Model Alignment

Click to open the alignment window. This function allows adjusting the spatial coordinates of data for easier post-processing or reverse engineering.

Caution

  • Aligning models does not affect data shape or accuracy.
  • Once a model is aligned to a new position and the alignment function is exited, you can only restore its previous position by reloading the project file.

Precise Alignment

Achieve accurate alignment between models and coordinate systems by entering precise values.

Note

You can enable the global coordinate system. When enabled, the interface will display the global coordinate system with red indicating the positive X-axis direction, green for positive Y-axis, and blue for positive Z-axis.

  1. Use multi-view function or pan/rotate the model to check different viewing angles and verify if the placement meets requirements.
  2. Determine the translation or rotation axis (X, Y, or Z axis), enter corresponding values, then click Move To.
  3. Repeat step 2 until suitable rotation values are identified.
  4. After adjusting one direction, click Close to exit the alignment window and save adjustments.
  5. Re-enter the alignment window and repeat steps 2-4 until the model placement meets requirements across different viewing angles.

3-2-1 Coordinate System Alignment

3-2-1 Coordinate System Alignment aligns data through point, line, and plane constraints. Before alignment, use Create Feature to establish feature points, lines, and planes.

Note

The coordinate system displayed represents the global coordinate system, with red indicating positive X-axis, green for positive Y-axis, and blue for positive Z-axis.

  1. Select a feature plane from the plane dropdown menu, then choose an axis from the corresponding constraint dropdown. The arrow on the plane corner indicates its positive direction and the selected axis direction will match the plane's orientation.
  2. Select a feature line from the line dropdown menu, then choose an axis from the corresponding constraint dropdown. The line's arrow indicates its positive direction and the selected axis direction will match the projection direction of the line on the chosen plane.
  3. Select a point from the point dropdown menu and this point's position will become the coordinate origin (0,0,0).

  4. Click Align to perform coordinate axis transformation; click Reset to restore the coordinate system, undoing all transformations made since entering the 3-2-1 alignment interface.

    Note

    Avoid selecting perpendicular feature lines and planes for alignment to prevent failure.

  5. After alignment, click Close to confirm the transformation and exit the alignment interface.

Quick Alignment

Quickly align coordinate systems by adjusting model angles.

  1. Rotate the model to the desired angle.
  2. Click Align to move the coordinate frame to the model's center with X-axis perpendicular to screen, Y-axis parallel to screen pointing right, and Z-axis parallel to screen pointing up (model position remains unchanged). Click Move to position the coordinate frame at the object's bottom center.
  3. After alignment, click Close to apply the adjusted coordinate frame and exit alignment. If unsatisfied with results, click Reset to restore the coordinate frame to its initial state for re-alignment.