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P3D v4 Chocks

tgycgijoes

tgycgijoes

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I was able to design these in Sketchup - export a Collada - create an mdl in MDCx and add them with a lot of experimentation for placement to the Cessna 172C model. It even opens up nice in Prepar3D V4.5 with the chocks in place. Now my problem. I thought I remembered how to get them to be removed when I want to taxi/takeoff but no luck. I am attaching the model file. Can someone please attack the visibility issue for me and then let me know what command will remove them before flight? I want to learn more by coming here so if you can explain to me how, clearly for a sheer novice I save these posts for me to get back to sometimes in a year and they refresh my old memory. Thank you for taking the time to help.
 

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I know this is not difficult but just can't remember how (76 yrs old this Tuesday) They say that when you get older the first thing to go well, maybe the second thing (won't go there LOL) is your memory but I can't remember what either of them is. Anyway I was sincerely hoping that someone would have jumped onto this for me. I have already looked online for the answer and all I found was a very confusing ACES SDK answer that just confused me more. Modeldef.xml custom animation? OK how, please? Once it's explained I can add them to other GA aircraft in my hanger. Thank you to whoever.
 
I have been trying to do this myself after doing research and looking at other mdl's like MV B55 that have chocks. Their visibility condition said: prop_0_still. So I opened up my Cessna C172 chock.mdl in Model Converter X and in the object editor changed the visibility from none to prop_0_still. You can see from the photo that the chocks are still visible even though the prop is spinning NOT STILL. It doesn't care whether the prop is animated or still. SO WHY???
Cessna C172 chocks,mdl.jpg
 
Milviz B55 I see after unpacking their gauge CAB has xml code for the "preflight" that has code for the pilot, chocks and engine covers that is a gauge in the panel folder. Do I need to write a gauge to have these in place or removed? I seemed to remember that in the P2V Neptune I created chocks for that just the visibility had to be modified and then a new model exported and that worked with a custom modeldef.xml that was already in the model I piggybacked onto. When pilots were removed the chocks were visible and vice versa.
 
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