Le mercredi 05 octobre 2005 à 14:45 +0100, Vivian Meazza a écrit : > Gerard ROBIN > > > > > Le mercredi 05 octobre 2005 à 08:33 +0100, Vivian Meazza a écrit : > > > Lee Elliott > > > > > > > > > > > > > > > So far, I'm just thinking in terms of a tool that would allow > > > > easier testing of animations - it's actually quite easy to find > > > > the correct values for the x, y & z axis by measuring the start > > > > and end-points of an aileron, for example, in your modelling app > > > > and then working out the appropriate values with a simple > > > > calculator. > > > > > > > > > > No need for a calculator in AC3D. Choose a vertex at either end point > > (there > > > may be convenient ones, or insert them into the object, or use a line > > > object). Use the <axis><x1-m>....<z1-m></axis> format. In AC3D select > > one > > > vertex, and press the '>' tile at 'Move to' (do NOT press 'Move to'). > > This > > > will display the acute xyz cords in the adjacent windows. You can now > > copy > > > and paste these values into the .xml animation, making sure that you > > > transpose the y and z values, and reverse the sign of the new y. Repeat > > for > > > the other vertex. And bingo. > > > > > > A little complicated but absolutely no computation involved, and the > > results > > > are very accurate. > > > > > > Giving away trade secrets here, but seeing as it's you Lee :-) > > > > > > Vivian > > > > > OK that is my usual procedure, which is working perfectly, > > The discussion for me is rather to check the result, mainly in complex > > hierarchy animations. > > when we have to animate the full components of a landing gear => > > extension, retract, compression with rotating and translating struts and > > hydraulic actuator; (and i have to calculate trigonometric formulation, > > and simulate on the "paper") > > I have got some experience with russian SU34 ac and Catalina PBY5 ac, > > both wonderful , and (i worry it) refurbished from MSFS world. > > I hope you will see some results with the Crusader i am building. > > Well ..... > > to check the animation results and to be sure i have not any mistake > > (and i have); > > Lee said it > > we have to try again and again with the real FG. > > A tool would be welcome. > > Lee suggested a tool which could be a simplified FG with an extract of > > the animations functions. > > Such a tool would be indeed be useful - or the ability to reload .xml files > on the fly such as that for gui or panel > > I don't know if that would be possible, but it would speed development of > models no end. > > Vivian > Your idea is good, reload on the fly could be OK, I am not able to answer, is it feasible or not. Up to our devel-team.
Cheers -- Gerard _______________________________________________ Flightgear-users mailing list [email protected] http://mail.flightgear.org/mailman/listinfo/flightgear-users 2f585eeea02e2c79d7b1d8c4963bae2d
