154.3 Impression AnnotationsThe HPS file format supports adding annotations to the scan and order data, allowing the user to provide modellingadvice to the manufacturer. Each annotation creates a 2D screenshot on the current impression orientation, whichprovides the manufacturer the exact same orientation when reading the users annotationsNote: The HPS file format is defined in the File|Settings dialog under the File tab.To place annotations, click on the Text button Annotations dialogAll points and sketches defined are listed for the user to add, remove or order the annotations. Clicking OK will save allthe annotations with the scanned impression automatically.4.3.1 Point annotationsPoint annotations are added by a click on the area of reference on the impression and entering the necessary annotationtextThe point can be moved by dragging it with the left mouse button. The point text can be changed or the pointdeleted by a right click popup menu.Adding a point annotation