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Poser Python Scripting F.A.Q (Last Updated: 2024 Dec 02 3:16 pm)

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Subject: Camera woes

Josiah opened this issue on Nov 14, 2002 · 4 posts
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Josiah ( ) posted Thu, 14 November 2002 at 7:43 AM · edited Sat, 23 November 2024 at 1:38 AM

I include this;

scene.SetCurrentCamera(scene.Actor("Main Camera"))

at the top of my script after "scene = poser.Scene()"
in an attempt to have my script change cameras, but for some reason, it dosent work...

Also, does anyone know how I can get the parameter value
of a dial? for instance "DollyY"'s current value?

I have tried to increment the cameras position like this;

actor = scene.Actor("Dolly Camera")
v = actor.Parameter("DollyY")
w = actor.ParameterByCode(poser.kParmCodeYTRAN)
d = w + 0.01
v.SetValue(d)

but this method dosent return the var "w" with the right
type!
Is there a nother method to do this I am missing?

Thanks for any help or ideas!
josiah

ockham ( ) posted Thu, 14 November 2002 at 11:13 AM

actor = scene.Actor("Dolly Camera") v = actor.Parameter("DollyY") w = actor.ParameterByCode(poser.kParmCodeYTRAN) d = w + 0.01 v.SetValue(d) On this one, I can see what's wrong. In lines 2 and 3 you're getting two different ParmType variables, but you're not really getting a Value. You then modify the second ParmType and put the incremented value back in the first one. Here's how it should work. I use the method below for altering paramters constantly, though I haven't tried it with cameras. Note that the addition has to be done on the -value- of the parameter, not with the variable p that represents the parameter dial itself. actor = scene.Actor("Dolly Camera") p = actor.Parameter("DollyY") p.SetValue(p.Value() + 0.01)

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ockham ( ) posted Thu, 14 November 2002 at 11:18 AM

On the first question, import poser scene = poser.Scene() scene.SetCurrentCamera(scene.Actor("Main Camera")) I just tried this (copied your line directly with Ctrl-C) and it works for me. The variables seem to be right, and the camera switches nicely. Not sure what's wrong in your version.....

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Josiah ( ) posted Thu, 14 November 2002 at 3:13 PM

Thanks Ockham! Your help is invaluable! I found that I needed "scene.DrawAll()" to "update" the view. The camera was switching, I just didn't know it. The parameter change code you provided is exactly what I needed! Works fantastic! Thanks again for your time and help! josiah

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