[Sidefx-houdini-list] expressions in $FS

Michael Dunkley mdunkley at gmail.com
Mon Jan 16 21:43:26 EST 2017


Hi Gary, the padzero function actually takes two arguments - the
padding size and then the number to be padded.  So with that your
expression becomes:

/foo/bar/foo_bar.`padzero(5,$F+4)`.jpg

On Mon, Jan 16, 2017 at 7:57 PM, Gary Jaeger <gary at corestudio.com> wrote:
> Thanks Ron. And yet… it does not see to work. I left out that my sequence actually reads like
>
> foo_bar.$F5.jpg
>
> which I take to mean pad five in houdini speak, but I can’t get your method to work
>
> Gary Jaeger / 650.728.7957 direct / 415.518.1419 mobile
> http://corestudio.com <http://corestudio.com/>
>> On Jan 16, 2017, at 9:17 AM, Ron Schab <ron.schab at gmail.com> wrote:
>>
>> Hi Gary,
>>
>> u almost had it :)   $F needs to be within ur backticks as well and  you
>> need to watch those brackets outside of your backticks :)
>>
>> /foo/bar/foo_bar.`$F+4`.jpg should work.
>> If you have zero padded frame ranges (i.e. 0014) it needs to be
>> /foo/bar/foo_bar.`padzero($F+4)`.jpg
>>
>> cheers
>> Ron
>>
>>
>>
>> On Mon, Jan 16, 2017 at 5:55 PM, Gary Jaeger <gary at corestudio.com <mailto:gary at corestudio.com>> wrote:
>>
>>> Hi. If I’m reading in a sequence (in this case for a camera Background
>>> Image) and want to offset the frames, what’s the best way to do that? A
>>> couple thoughts occur to me, but as the frame # isn’t obviously a different
>>> parameter I’m not having any luck. In maya I might simply decouple the
>>> frame value from the default time expression and set keys, or do a +/-
>>> expression.
>>>
>>> I tried adding a float value to the View pane of the camera, but when I
>>> try something like
>>>
>>> /foo/bar/foo_bar.($F+`chs(“/obj/shotCam/timeOffset”)`).jpg that doesn’t
>>> seem to work.
>>>
>>> thanks!
>>>
>>> Gary Jaeger / 650.728.7957 direct / 415.518.1419 mobile
>>> http://corestudio.com <http://corestudio.com/> <http://corestudio.com/ <http://corestudio.com/>>
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>>>
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