Because the enum value is used in the construction and storage of the knob, I
would bet good money that ClassID() returns the correct value...
Based on the header comment for Class() ("This is currently only used for
messages."), I don't think it's something to be relied on.
-Nathan
From: Johannes Saam
Sent: Friday, January 23, 2015 5:39 PM
To: Nuke plug-in development discussion
Subject: Re: [Nuke-dev] Acessing user knobs
Yeah the problem is that the Class() for both int and float knobs (if you use
manage user knobs) is Array_Knob not Int_knob or Float_Knob so you are telling
me that Class() and ClassID() is not the same?! I have to double check but i
bet a beer that its both the same ID which is the Array_Knob class id....
On Fri, Jan 23, 2015 at 4:21 PM, Nathan Rusch <nathan_ru...@hotmail.com> wrote:
Knob::ClassID() will return the value from the enum in Knobs.h that indicates
its type. I think testing that is probably the best you can do, since Knob
subclasses don't really exist in DDImage.
-Nathan
From: Johannes Saam
Sent: Friday, January 23, 2015 4:12 PM
To: Nuke plug-in development discussion
Subject: Re: [Nuke-dev] Acessing user knobs
I have one more QUESTION not a suggestion....
iterating over the user knobs now i am running into one problem... and i
might just not understand the API correctely but i am stuck with the TYPES of
the user knobs.
For example the int and the float knob come in as Array_Knobs.... i am
currently using ArrayKnobI and its array_size() function to find out if its a
float 1 2 3 4 .... but Knob get_value is always a double? How do i figure out
if i am dealing with an int knob? Other knobs are fine. Like the
Enumeration_knob i know its an int and can act... same with the Color knobs.
But whats going on with Int and Float knobs? I was assuming they would come
back as Class() Int_Knob or Float_knob? also i can only get doubles with
get_value() type converting doubles to bools is just resulting in lots of
warnings under VS2010.
What obvious thing am i missing here?
Thanks!
Jo
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