Thanks a lot for the explanation. That was exactly what was happening...
Cheers,
-Oscar
On Jan 11, 2008, at 3:04 AM, Ian Grant wrote:
Hi Oscar,
The data in the input splitter wont be used ('evaluated') or appear
in the tool tip until it is needed by a 'downstream' patch.
Connect the output of the input splitter into a sprite's width. The
data is used, so the patch is 'live'. The 'debug' mode visualises
the data-flow / evaluation activity in the editor window.
See 'The Evaluation Path' in the QC user guide for more information:
<http://developer.apple.com/documentation/GraphicsImaging/Conceptual/QuartzComposerUserGuide/qc_concepts/chapter_2_section_4.html#//apple_ref/doc/uid/TP40005381-CH212-DontLinkElementID_4
>
The faded out input splitters in the RSS Visualizer indicate that
the patch conforms to a protocol. There is more info on protocols in
the QC release notes <http://developer.apple.com/releasenotes/GraphicsImaging/RN-QuartzComposer/index.html
>
If the published names of the input splitters abide by a naming
convention
_protocolInput_RSSFeedURL
_protocolInput_RSSArticleDuration
for the rss visualizer, selecting: Editor -> Edit Protocol
Conformance, select the correct protocol, then the input splitters
will fade in the editor window.
Regards,
Ian
*******************************
Ian Grant
Senior Lecturer in Digital Art
Faculty of the Arts
Thames Valley University
Ealing, UK
W5 5DX
<[EMAIL PROTECTED]>
*******************************
On 11 Jan 2008, at 07:22, Oscar Bonilla wrote:
Hi, I'm new to quartz composer, and I've hit a problem for which I
cannot find a solution. I've read the docs on developer.apple.com
(specifically the Quartz Composer User's Guide), and also searched
this mailing list for "input splitter".
The problem I have is that my input splitter does not seem to
propagate its input. I must be missing something, because I've
opened the "RSS Visualizer" screensaver (using the ⌥-click on
"Options..." button trick) and the Input Splitters there seem to
propagate their input just fine. One other thing I've noticed is
that in the "RSS Visualizer" the input splitters that have
published their inputs appeared slightly faded.
As an experiment, I did the following: 1) created a new blank
project, 2) added a single input splitter, 3) set its type to
"Number", its minimal value to 0, and its maximal value to 1, 4)
right-clicked on it and published its single input. In the patch
parameters pane, set the input value to 0.5. When I hover my mouse
over the output, should I see 0.5?
Thanks,
-Oscar _______________________________________________
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