[Extract Isocurves] command generates isparametric curves from the specified surfaces(faces).
For the prompt
"Specify
surfaces"
, selsect surfaces.
For the prompt
"Select isocurve
to extract"
, mouse-click a point on the surfaces to extract isoparametric curves. Pressing Enter
key terminates the position specification.
Pressing D key, the parameter kind of the isoparameteric curves will be changed.
Pressing P key, the dialogue box to input the parameter value of the isoparameteric curves will be shown.