## 'Multi-Clicking' and 'Single-Clicking' Auto Feature Creation

In older versions of PC-DMIS you often had to provide multiple mouse clicks for PC-DMIS to generate an auto feature. Over the years PC-DMIS has continually increased its capability to select auto features on the screen with less and less mouse clicks.

The following table details for both Curve and Surface modes the auto features you can select with a single mouse click. It also lists the number of mouse clicks needed for features that don't yet support the single-click capability.

Auto Feature Type | Curve mode | Surface mode
Angle Point | No (2 Clicks) | Yes
Circle | Yes | Yes
Cone | Yes | Yes
Corner Point | Yes | Yes
Cylinder | Yes | Yes
Ellipse | Yes | Yes
Edge Point | No (2 Clicks) | Yes
High Point | Yes | Yes
Line | No (2 Clicks) | No (2 Clicks)
Notch | Yes | Yes
Plane | Yes | Yes
Polygon | Yes | Yes
Round Slot | Yes | Yes
Square Slot | Yes | Yes
Sphere | Yes | Yes
Surface Point | Yes | Yes
Vector Point | Yes | Yes

Using Single-Click Mode

- Angle Point Features:

  - With the Auto Feature dialog box open, click once near but not on where the two surfaces meet. If you are using surface mode, PC-DMIS generates the point on the angle of the two surfaces.

- Circle Features:

  With the Auto Feature dialog box open, click once on the planar surface that contains the circle for a hole, on the feature's wall, or on a cylindrical end of a stud.

  - The edge closest to the mouse-click determines whether the circle feature is a hole or a stud. (See Note B). However, due to how the CAD is sometimes defined, PC-DMIS cannot always determine this on its own.

  - If the circle has a length (depth) like a cylinder, then PC-DMIS uses the circle closest to where you clicked the mouse to define the center position.

  - PC-DMIS automatically fills in the dialog box and determines the circle's vector.

- Cone Features:

  With the Auto Feature dialog box open, click once on the planar surface that contains the cone's hole, on the feature's wall, or on a conical end of a cone.

  - The edge closest to the mouse-click determines whether the cone feature is an inner cone or an outer cone. (See Note B). However, due to how the CAD is sometimes defined, PC-DMIS cannot always determine this on its own.

  - The vector of the cone points away from its apex.

  - PC-DMIS automatically fills in the dialog box and determines the center point. Inner cones use the larger radius for the center point. Outer cones use the smaller radius. PC-DMIS does this to avoid shank collisions when measuring the cone.

- Cylinder Features:

  With the Auto Feature dialog box open, click once on the planar surface that contains the cylinder, on the feature's wall, or on a cylindrical end of an outer cylinder.

  - The edge closest to the mouse-click determines whether the circle feature is a hole or a stud. (See Note B). However, due to how the CAD is sometimes defined, PC-DMIS cannot always determine this on its own.

  - PC-DMIS automatically fills in the dialog box and determines the cylinder's vector. It uses the center location of the cylinder end closest to where the user mouse clicked.

- Edge Point Features:

  - With the Auto Feature dialog box open, click once anywhere. PC-DMIS automatically fills in the dialog box.

  - - If using surface mode, PC-DMIS generates the edge on the nearest edge where you clicked.

    - If using wire frame mode, the edge is only selected. PC-DMIS requires a second click to create the edge point on the wire.

- Ellipse Features:

  - Same as Round Slot.

- Notch Features:

  With the Auto Feature dialog box open, click once close to the back edge the notch. Single-clicking to create notch features, always defines it as an inner notch. PC-DMIS automatically fills in the dialog box.

- Polygon Features:

  With the Auto Feature dialog box open, click once on a polygon feature that contains five or more sides. PC-DMIS automatically fills in the dialog box and determines the starting side by the edge closest to the mouse click.

  You can click on a polygon with less than three sides, but doing so will require additional clicks.

- Corner Point Features:

  With the Auto Feature dialog box open, click once near an edge containing the corner point.

  - The closest edge to the mouse click determines the closest end point to the mouse click. This end point becomes the corner point.

  - PC-DMIS automatically fills in the dialog box.

  How it Works:

  - PC-DMIS finds adjacent edges relative to the first edge. It tests each edge to see if it has an end point coincident to the corner point. If so, then it finds a point on that edge very near the corner point. This continues until two edges (and two points) are found that have unique vectors (ideally perpendicular) to each other and the first edge.

  - Once PC-DMIS has three points near the corner point, these three points are all on different edges. Using the two different points near the corner point, and the corner point, PC-DMIS computes three planes. For example, In this image, the YELLOW corner point and the RED and WHITE points create a plane whose vector is the BLUE arrow. Similarly, the YELLOW, WHITE, and BLUE points give us the RED arrow and the YELLOW, BLUE, and RED points give us the WHITE arrow.

- Round Slot Features:

  With the Auto Feature dialog box open, if an inner round slot, click once on the planar surface that contains the rounded edge or the feature's wall. If an outer round slot, click on the top edge of the rounded end, away from where the curve ends and the planar sides begin or on the feature's wall. (See Note A).

  - The edge closest to the click determines whether the feature is an inner round slot or an outer round slot. (See Note B). However, due to how the CAD is sometimes defined, PC-DMIS cannot always determine this on its own.

  - PC-DMIS automatically fills in the dialog box and determines the slot's vector and orientation.

- Square Slot Features:

  - With the Auto Feature dialog box open, if an inner square slot, click once on the planar surface near any edge of the slot or on the feature's wall. If an outer square slot, click on any top edge or on the feature's wall. (See Note A).

  - - The edge closest to the click determines whether the feature is an inner square slot or an outer square slot. (See Note B). However, due to how the CAD is sometimes defined, PC-DMIS cannot always determine this on its own.

    - PC-DMIS automatically fills in the dialog box and determines the slot's vector and orientation.

- Sphere Features:

  With the Auto Feature dialog box open, click once on the sphere's edge. PC-DMIS automatically fills in the dialog box.

- Surface Point Features:

  With the Auto Feature dialog box open, click once anywhere. PC-DMIS automatically fills in the dialog box.

- Vector Point Features:

  With the Auto Feature dialog box open, click once anywhere. PC-DMIS automatically fills in the dialog box.

  - If using curve mode, PC-DMIS snaps the point to the nearest wire.

  - If using surface mode, PC-DMIS generates the point where you clicked.

By default, PC-DMIS will attempt to interpret a single left mouse click on the part model and generate the auto feature from that input. It will momentarily display the probe on the screen and then insert the feature information gathered from the mouse click into the open Auto Feature dialog box. If for some reason this fails, PC-DMIS will automatically switch to the older multi-click mode of input (see the multi-click information below).

If you want the animated probe to appear permanently on the screen when clicking on the part model, use the PC-DMIS Settings Editor to locate the DisplayProbeForJustOneMoment registry entry under the Option section, and change its value to FALSE.

Temporarily Switching to Multi-Click Mode

If you want to switch to the multi-click mode of input temporarily, you can easily do so by taking two clicks within three pixels of each other. The Auto Feature dialog box must be open. When you take the second mouse click, PC-DMIS switches to multi-click mode and draws the cross-hairs at the location of the second mouse click. This becomes the first mouse click of the multi-click mode. PC-DMIS then waits for the remaining mouse clicks needed to generate the feature. Once the feature is generated PC-DMIS switches back to the single-click mode.

Using Multi-click Mode

Once you have switched to multi-click mode, follow the instructions on the status bar; it will walk you through what hits to take.

Permanently Switching to Multi-Click Mode

If you want to turn off the single-click mode functionality permanently, simply access the PC-DMIS Settings Editor, and set the SingleClickCadSelectionDisabled entry (located in the AutoFeatures section) to TRUE. When you restart PC-DMIS, the software will be in Multi-Click Mode.

More:

Note A

Note B