HD50101: MEASUREMENT RESULT IS NOT CORRECT WHEN SURFACE AND LINE ARE MEA SURED WITH DISTANCE FUNCTION

APAR status

• Closed as user error.

Error description

• MEASUREMENT RESULT IS NOT CORRECT WHEN
  SURFACE AND LINE ARE MEASURED WITH
  DISTANCE FUNCTION
  .
  SCENARIO:
  Setup of the option
  1.Select "Tools" / "Options" by menu bar.
  ==== "Option" dialog box is displayed.
  2.Select "General" / "Parameters and Measure" /
  "knowledge" / "Parameter Tree View".
  3.Activating the "With value" and "With formula".
  4.Select "General" / "Parameters and Measure" /
  "knowledge" / "Parameter names".
  5.Activating the "Surrounded by the symbol".
  6.Select "Infrastructure" / "Part Infrastructure" /
  "Display" / "Display In Specification Tree".
  7.Activating the "Prameters" and "Relations".
  8.Click "OK " in the Option panel.
  9.Select "File / Exit".
  10.Start CATIA
  11.Open the file : "Part1.CATPart".
  Workbench : "GSD"
  12.Click "Extrude.1" on the tree by MB3.
  13.Select "Replace" by context menu.
  ==== "Replace" dialog box is displayed.
  14.Select "Extrude.3" on the tree.
  ==== Extrude.3" is inputted into
  "Replace" dialog box of "With:".
  15.Click "OK" on the "Replace" dialog box .
  ==== The value of "Length1" is not correct.
  ---- This is problem
  .
  

Local fix

Problem summary

Problem conclusion

Temporary fix

Comments

• Initial Diagnosis
  Measurement is not 0mm but 1.52e-7mm because
  the measure is more precise than it used to be.
  .
  Correct Application
  There should not be any test like (L == 0mm) but
  we recommend instead use abs(L/1mm) < 1e-3, or
  whatever precision for a given appliaction. The R16
  behavior provides a better accuracy. In V5R16
  precision was unified for all parameters to the
  32bits machine precision 10e-15
  .
  

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

Applicable component levels