Re: animating cycles with nozzles - how to control them?

My thanks too Richard..
I never knew those things were there.

Now I'm having fun.

Dude

Richard wrote:
> Mu said:
>> - When you create nozzles from layer groups, the topmost layer is
always
>> the first in the sequence!
> 
>> - then a nozzle with one priority only gets created, regardless of the
>> fact that the images are placed both in rows and columns.
> 
> Here's a basic description of nozzle creation:
> 
> When you create a 1 rank nozzle, Painter makes all the decisions
> how the nozzle file is created based on where the elements are in the
> layer hierarchy. You don't have to do anything except group the layers
> before applying the Make Nozzle From Group command.
> 
> When you build a 2 or 3 rank nozzle, then you must create a nozzle grid
with
> cells large enough to hold the biggest image element based on the width
and
> height of that element. You place each element in the center of a grid
cell.
> Choose the Select All command, then apply the Drop and Select command
> before saving the file. Loading the nozzle the first time calls up the 
> Nozzle
> Definition dialog. You must enter the correct data or the nozzle won't
work.
> These types of nozzles are labor intensive so few users take the time to
> build them.
> 
> Sequential Controller, how it's supposed to work:
> 
> 
> 
> The Sequential controller picks out nozzle imagery in the order in which
the 
> images in the nozzle file were created. The images are delivered in the 
> order they appear in the rank, moving left to right, and from the top
down.
> 
> 
> 
> This test shows that it works:
> 
> 
> 
> 1. Open a new canvas at 500x500 @ 72ppi.
> 
> 
> 
> 2. Choose the default Passionflower Flower nozzle.
> 
> 
> 
> 3. Check out the nozzle at 10%...Leave the file open.
> 
> 
> 
> 4. Set the Nozzle Scale to 100%.
> 
> 
> 
> 5. Set the Brush Controls, Size Expression = None, Spacing at 200%.
> 
> Image hose Rank 1 = Sequential.
> 
> 
> 
> 6. Choose the Linear-Size-P variant. Adjust the size to 35.0. On a layer,
> 
> draw (freehand mode) a line from left to  right so you see at least 4
image
> 
> elements. On a second layer draw a line from right to left.
> 
> 
> 
> 7. Press the 'V' key to switch to Straight line mode. On a new layer
> 
> draw a line from left to right. Do the same from right to left on
> 
> another layer.
> 
> 
> 
> The first 4 elements in the freehand mode left to right line follow the
> 
> Sequential indexing before starting over again with the first element.
> 
> 
> 
> The numbered elements show how the nozzle is indexed by the Image
> 
> Hose brush starting with number 1.
> 
> 
> 
> 
> 
> 
> 
>> Difficulty is to find the right spacing in the nozzle variant to make
>> the step width work.
> 
> 
> You can increase the nozzle element spacing beyond the 200%
> 
> adjustable limit but you must create a new nozzle to do so. To do
> 
> this:
> 
> 
> 
> 1. Open your original layered image.
> 
> 
> 
> 2. Show the layer indicators so you can see them.
> 
> 
> 
> 3. Toggle on the grid.
> 
> 
> 
> 4. Choose the pencil or the airbrush. Set the color to white and
> 
> reduce the brush opacity to 0%.
> 
> 
> 
> 5. Use the grid as your guide. Make a tiny mark outside the top left or
> 
> right corner indicator and another one on the opposite side outside
> 
> the bottom corner indicator.
> 
> 
> 
> Remember, you won't see the marks but you will see the change
> 
> in the layer indicators location. Use the Grid Option feature to set a
> 
> specific pixel amount.
> 
> 
> 
> 
> 
> 
> 
> This process was much easier in version 5 because it had the
> 
> Floater Size feature. All you had to do was enter the number of
> 
> pixels you wanted to enlarge the floater.
> 
> 
> 
>> SUSPECTED BUG:
>>
>> - there's one thing that bothers me, though. If you check the
"invert"
>> checkbox in the "priority 1" parameter of the nozzle palette,
the
>> sequence does, in fact, *not* get reversed.
> 
> 
> Correct, this is a known bug that goes back to version 6 when the
> 
> Expression controllers were first introduced. It's also in painter X.
> 
> Theoretically, building two nozzles the way I described earlier should
> 
> be the workaround for this. Drawing a line from L to R and R to L
> 
> accomplishes the same thing.
> 
> 
> 
> Richard
> 
> 
>