5.0

• Approved: a clash previously found and approved by someone.
• Resolved: a clash found in a previous run of the test and not in
the current run of the test. It is therefore assumed to be resolved.
• Old: any clash in an "old" test. The icons still have the code of the
status from the previous run, but this is a reminder to say that the
current test is old. See Clash Test Status for a description of old
tests.
If the status is changed to Approved, Clash Detective takes the user
currently logged on as the person who approved it.
Enabling hyperlinks will show clash results using the relevant status icon
.
Clash Test Status
A clash test can have one of 4 statuses:
• New indicates a clash test that has not yet been run with the current
model.
• Done indicates a clash test that has been successfully run with the
latest version of the model.
• Old indicates a clash test that has been altered in some way since
being set up. This might include changing an option, or having loaded
the latest revision of the model.
• Partial indicates a clash test that has been interrupted during
execution. Results are available up to the point of interruption.
Clearance Clash
A clash in which the geometry of item 1 may or may not intersect that of
item 2, but comes within a distance of less than the set tolerance.
Hard Clash
A clash in which the geometry of item 1 intersects that of item 2 by a
distance of more than the set tolerance.
Duplicate Clash
A clash in which the geometry of item 1 is the same as that of item 2,
located within a distance of between zero and the set tolerance. A
tolerance of zero would therefore only detect duplicate geometry in
exactly the same location.
Intersection Method
A standard Hard clash test type applies a Normal Intersection Method,
which sets the clash test to check for intersections between any of the
triangles defining the two items being tested (remember all JetStream
geometry is composed of triangles). This may miss clashes between
items where none of the triangles intersect. For example, two pipes that
are exactly parallel and overlap each other slightly at their ends. The
Glossary
408