3D Modeling

[Tina]

Hi, everyone.

I have a problem about the History mechanism.I create a body,and record the history called the function "api_note_state".Then I move it called the function "api_transform_entity",and record the history too.Then,I create another body,and record the history.

After that,I want to roll back the first body to the status ,that does not move.At the same time ,the second body is not disappear.I call the function "api_roll_n_states",the second body is disappear,but the first body does not roll back to the status ,that does not move.

I do not know how to do? Can you please help me?

Thanks, Tina

[pwang8097]

In my opinion， the history stream record the modeling operation automatically.

This history stream is consist of bulletin boards.

When you call API in acis  that can change the model, the bulletin added to the bulletin board automatically.

The problem you encountered may be caused by you having call the API_note_state too much.