Re: WTF Is GibbsCAM "Chain Manager"?

"No, actually I was challenging you to show me the difference. So far
my retarded azz doesn;t understand your explanation."

Lets go straight to the Gibbs Help Manual and see if you can grasp how
different Gibbs is when it comes to geometry creation than MasterCAM.

"WTF am I missing here?"

Quite a bit. What is below should help.

"Shapes and Connectors

There are two types of shapes: open shapes and closed shapes. An open
shape is a group of connected features. There is a definite beginning
and end to the shape. The two ends may or may not be terminated. A
closed shape is a group of connected features in which there is no
beginning or end. A circle is the most simple example of a closed
shape. Double-click a feature in a closed shape to select all of the
features and points in the shape.

There are two classifications of geometry used by the software -
features and points. Lines, circles and curves are considered
features.

Points

A point has three states. It can either be a plain point, a connector
point, or a terminator point.

A plain point is used in constructing other geometry or for hole
positioning. Plain points are drawn in yellow and are round.

A connector is used to connect two features together. It is drawn as a
blue square.

A terminator is used to end a shape. It is drawn as a yellow square.

Features

A feature is either a line or a circle. A feature also has three
states: unconnected, connected but not terminated, and connected and
terminated. A feature can have a maximum of two connectors and/or
terminators attached to it. When the second connection has been added
to a feature, it will change colors and become trimmed.

Unconnected features are yellow. They are used either for constructing
additional geometry or can be connected to other geometry to form a
shape to be machined. Single features (one line or one circle, for
example) that are yellow can be machined by the system without being
connected to any other features or having any connection points.

Connected (but not trimmed) features are features that have only one
connection to another feature. The feature will not be trimmed until a
second connection is added or when it is terminated. Since this type
of geometry has only one connection, it will still be yellow.

Connected and trimmed features are blue. They have been connected (or
terminated) at both ends. Since they already have two connections on
them, no additional features can be connected to them.

Making Connections

Most connections are made automatically by the software. If the Point
button is chosen on the Geometry Creation palette and two features on
the screen are selected, the software will automatically create a
connector at the intersection or tangency of the two features. If a
connection cannot be made automatically, a plain point will be created
at the intersection or tangency of the two features. Once a feature
has two connectors on it, it is considered fully connected. A
connection must be broken on the original shape before another
connection can be added to it.

If a plain point exists at the intersection or tangent point between
two yellow features, that point can be turned into a connector. This
is accomplished using the Connect-Disconnect button in the Geometry
Creation palette, which is described in more detail on this page, or
you may use the right mouse menu (see this page) to connect selected
overlapping/tangent shapes. To change a point into a connector, use
the Ctrl key to select the point and the two features that intersect
at the point. These should be the only items that are selected. Click
the Connect-Disconnect button. The point will change to a blue square.
If one (or both) of the features is already connected to another
feature, it will turn blue and trim with a square yellow endpoint.

The four descriptions listed below explain possible reasons why the
Connect-Disconnect button will not perform the desired function.

One of the features already has two connections on it.

The point is not tangent to or is not exactly at the intersection of
the two features.

The wrong geometry is selected, either too much or too little in most
cases.

There are multiple features on top of one another.

The best way to tell if there are multiple features on top of one
another is to turn on View > Labels. If all of the numbers are clearly
visible, there is only one feature at that location. If the numbers
are jumbled, there are probably features on top of each other. Try
deleting features and re-drawing until there is only one feature left.
If the last feature is deleted by accident, use the Undo item from the
Edit menu to back up a step. Refer to Cleanup in the Plug-ins Guide
for an alternate way to remedy this issue.

Open Shapes

To terminate the last feature of a shape and create an open shape, a
point needs to be created at the location where the shape is to end.
The feature to be terminated must be yellow to begin with. Select the
point and the feature and click the Connect-Disconnect button. The
point will become a yellow square. If the feature already has one
connector or terminator on it, it will turn blue and trim."

Jon Banquer
San Diego, CA






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