Different resolution or just different data window?
If it's the second you have to get/query its bbox (x, y, r, t).
On Thu, May 8, 2014 at 11:00 PM, Erwan Leroy <er...@erwanleroy.com> wrote:
> Unrelated question, but how do you end up with an image with a variable
> resolution?
> I've never seen that before. Is it for a specific purpose?
> On Thu, May 8, 2014 at 4:43 PM, Dan Rosen <danrosenro...@yahoo.com> wrote:
>> Try this threading technique. there's a sleep in there to give time for
>> Nuke to evaluate.
>>
>> import threading
>> import time
>>
>> def doIT():
>>
>> nukeNode = nuke.selectedNode()
>>
>> firstFrame = int(nuke.Root()['first_frame'].getValue())
>> lastFrame = int(nuke.Root()['last_frame'].getValue())
>> totalFrames = lastFrame - firstFrame
>> print( firstFrame, lastFrame )
>>
>> #toggle frame to initiate getting the correct value
>> current_frame = nuke.frame()
>> nuke.frame( current_frame -1 )
>> nuke.frame( current_frame )
>>
>> width = nukeNode.width()
>> height = nukeNode.height()
>>
>> maxWidth = 0
>> maxHeight = 0
>>
>> task = nuke.ProgressTask('Getting width and height in range ' +
>> str(firstFrame) + ' ' + str(lastFrame))
>>
>> progIncr = 100.0 / totalFrames
>>
>> for frame in range(firstFrame, lastFrame+1):
>> if task.isCancelled():
>> nuke.executeInMainThread(nuke.message, args=('Aborted',))
>> return
>>
>> nuke.frame( frame )
>> #Giving time for Nuke to evaluate
>> time.sleep(.1)
>>
>> width = nukeNode.width()
>> height = nukeNode.height()
>>
>> task.setProgress(int(frame * progIncr))
>> task.setMessage( str(frame) + ' ' + str(width) + ' ' +
>> str(height) )
>>
>> if width > maxWidth:
>> maxWidth = width
>> if height > maxHeight:
>> maxHeight = height
>>
>> print (frame, width, height)
>>
>> print( maxWidth, maxHeight )
>> nuke.frame( current_frame )
>>
>> threading.Thread(target=doIT).start()
>>
>>
>>
>> On Thu, May 8, 2014 at 12:22 PM, Haarm-Pieter Duiker <
>> l...@duikerresearch.com> wrote:
>>
>>> Hi,
>>>
>>> Simple question. Is there a way to query the width and height of a node
>>> at different times?
>>>
>>> Here's the context.
>>> I'm working with data sets that include image sequences that vary
>>> resolution from frame to frame. I'd like to find the max width and height
>>> for a given image in a given frame range. I wrote the following code to
>>> test things out.
>>>
>>> nukeNode = nuke.selectedNode()
>>>
>>>
>>> firstFrame = int(nuke.Root()['first_frame'].getValue())
>>>
>>> lastFrame = int(nuke.Root()['last_frame'].getValue())
>>>
>>> print( firstFrame, lastFrame )
>>>
>>>
>>> maxWidth = 0
>>>
>>> maxHeight = 0
>>>
>>> for frame in range(firstFrame, lastFrame):
>>>
>>> nuke.frame( frame )
>>>
>>> width = nukeNode.width()
>>>
>>> height = nukeNode.height()
>>>
>>> print( frame, width, height )
>>>
>>> if width > maxWidth:
>>>
>>> maxWidth = width
>>>
>>> if height > maxHeight:
>>>
>>> maxHeight = height
>>>
>>>
>>> print( maxWidth, maxHeight )
>>>
>>>
>>> The width and height values don't update to reflect the value for the
>>> current frame. This seems to parallel the functionality of the Knob
>>> getValue vs. getValueAt functions. Since width and height aren't knobs,
>>> those functions don't help though.
>>>
>>>
>>> Is there a way to query the width and height of a node at different
>>> times, like the Knob getValueAt method?
>>>
>>>
>>> HP
>>>
>>>
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> Nuke-python mailing list
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>>> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-python
>>>
>>>
>>
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