Pinnacle Systems Hollywood FX - 4.5 User’s Guide
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UUsseerr’’ss GGuuiidde
Release 4.5 For Windows
Pinnacle Systems, Inc.
280 N. Bernardo Ave
Mountain View, CA 94043
www.pinnaclesys.com
www.hollywoodfx.com
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TABLE OF CONTENTS...............................................................................3
INTRODUCTION........................................................................................11
BEFORE Y OU START ...............................................................................11
INSTALLATION FOR WINDOWS 98/ME/2000.......................................12
CLUB HOLLYWOOD.................................................................................14
CHOOSING AND EDITING A TRANSITION WITHIN HOLLYWOOD FX16
TROUBLESHOOTING................................................................................17
ADDING A MULTIWINDOW IN PINNACLE STU DIO.......................21
TUTORIAL: ENVELOPES.........................................................................25
TUTORIAL: PATH EDITING....................................................................31
TUTORIAL: CREATING NEW FX FROM EXISTING FX...................39
TUTORIAL: WARP PLUGINS.................................................................45
THE HOLLYWOOD FX DIALOG ............................................................51
THE HOLLYWOOD FX DIALOG ............................................................. 52
THE EDIT LIST PANEL............................................................................52
Move Up/Move Down…....................................................................53
Rename….............................................................................................54
Clone….................................................................................................54
Delete ....................................................................................................56
Save FX….............................................................................................56
Tool Bar…............................................................................................57
Plugins…..............................................................................................58
THE MONITOR PANEL ............................................................................ 59
Looping Playback Button.................................................................60
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Single Playback Button....................................................................60
Step Buttons .........................................................................................60
Skip Buttons........................................................................................60
The Preview Slider.............................................................................60
View Buttons ........................................................................................60
THE ITEM PANEL.....................................................................................61
THE ENVELOPE EDITOR PANEL ............................................................ 61
THE BUTTONS PANEL.............................................................................61
Register Now/Upgrade Now.............................................................61
Undo......................................................................................................61
Redo......................................................................................................61
Settings.................................................................................................62
About.....................................................................................................62
Ok ..........................................................................................................62
Cancel...................................................................................................62
THE FX CATALOG .....................................................................................63
ORGANIZING FX.......................................................................................64
BASIC OPTIONS........................................................................................67
EASY FLIGHT CONTROLS........................................................................67
Reverse Flight.....................................................................................67
Flight Path...........................................................................................68
Rotate Object.......................................................................................68
EASY LIGHTING CONTROLS....................................................................68
Lighting ................................................................................................68
Shadows...............................................................................................68
Shine.....................................................................................................68
Light Direction....................................................................................68
EASY OPTIONS CONTROLS.....................................................................69
Render...................................................................................................69
Antialiasing .........................................................................................69
Motion Blur.........................................................................................69
Trails .....................................................................................................69
Pixel Blending.....................................................................................70
ADVANCED OPTIONS .............................................................................71
SHADOW CONTROLS...............................................................................72
Shadow Type.......................................................................................72
Opacity.................................................................................................72
Distance................................................................................................72
Softness .................................................................................................72
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MOTION BLUR CONTROLS.....................................................................73
Length ...................................................................................................73
Count....................................................................................................73
HOLD TIMES ............................................................................................. 73
Start.......................................................................................................73
End........................................................................................................73
MEDIA OPTIONS .......................................................................................75
MEDIA SELECTION.................................................................................76
Select Track.........................................................................................76
Select File............................................................................................76
PREVIEW AND TRIMMING ...................................................................... 76
The Preview Slider.............................................................................76
In............................................................................................................76
Out .........................................................................................................76
INFORMATION .......................................................................................... 77
PLAYBACK CONTROL.............................................................................77
Interpret................................................................................................77
Playback Rate (PRO only)...............................................................78
Direction (PRO only).........................................................................78
End Behavior (PRO only).................................................................78
CROPPING CONTROLS.............................................................................78
OBJECT OPTIONS....................................................................................79
TYPES OF OBJECTS..................................................................................79
TYPES OF OBJECTS..................................................................................80
OBJECT HIERARCHIES.............................................................................80
SELECT FILE… (PRO ONLY).................................................................80
POSITIONING CONTROLS........................................................................81
Tool Buttons........................................................................................81
The Axis Buttons.................................................................................82
The Edit Fields....................................................................................82
Size To Full..........................................................................................82
Position To Full..................................................................................82
MORPH & DISSOLVE................................................................................83
Morph...................................................................................................83
Dissolve................................................................................................83
PARENT OBJECT (PRO ONLY)...............................................................83
OBJECT FLAGS (PRO ONLY)...................................................................84
Shadow Cast........................................................................................84
Shadow Receive ..................................................................................84
Transition Object................................................................................84
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SURFACE OPTIONS..................................................................................85
TEXTURE OPTIONS ................................................................................. 85
Media ....................................................................................................85
COLOR OPTIONS ...................................................................................... 86
Double-Sided.......................................................................................86
Smooth ..................................................................................................86
Base Color...........................................................................................86
Luminosity............................................................................................86
Shine Color ..........................................................................................87
Shine Spot............................................................................................87
THE ENVELOPE EDITOR.........................................................................88
THE SINGLE V ALUE ENVELOPE............................................................ 88
MULTIPLE V ALUE ENVELOPE.............................................................. 90
THE ENVELOPE WINDOW......................................................................90
The Current Time Slider....................................................................90
The Time Ruler....................................................................................91
The Transition % Ruler.....................................................................91
The Envelope.......................................................................................91
THE ENVELOPE BUTTONS......................................................................92
Save… ...................................................................................................92
Load…..................................................................................................92
Remove..................................................................................................92
KEY TYPE CONTROLS.............................................................................92
Spline Cur ve........................................................................................92
Linear....................................................................................................93
Value Jump ..........................................................................................93
KEYFRAME CONTROLS...........................................................................93
Copy… ..................................................................................................93
Shift (PRO only)..................................................................................95
Scale (PRO only)................................................................................96
Create...................................................................................................97
Delete ....................................................................................................97
Previous Key ...........................................................................97
Next Key ...................................................................................97
SPLINE CONTROLS (PRO ONLY)...........................................................98
Presets Dropdown..............................................................................98
< Save…...............................................................................................98
Tension.................................................................................................98
Continuity ............................................................................................98
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Bias........................................................................................................99
PLUGINS....................................................................................................101
MANAGING PLUGINS.............................................................................101
FILTER - CHROMA KEY (PRO ONLY).................................................103
Type .................................................................................................... 103
Reverse Key.......................................................................................103
Threshold..........................................................................................103
Fine Adjust........................................................................................103
FILTER - DIRECTIONAL WIPE (PRO ONLY)......................................104
Wipe Direction.................................................................................104
Tie wipe percentage to transition................................................104
Tie direction to light direction.....................................................105
Enable a border on the wipe.........................................................105
Border Color....................................................................................105
Wipe Percentage..............................................................................105
Softness .............................................................................................. 105
Border Size........................................................................................105
FILTER – E DGE WIPE (PRO ONLY).....................................................106
Border Color....................................................................................106
Tie to transition...............................................................................106
Enable Borders................................................................................107
Wipe Percentage .............................................................................. 107
X and Y Offset....................................................................................107
Softness .............................................................................................. 107
Border Size........................................................................................107
Corner Radius..................................................................................107
FILTER - L UMA KEY (PRO ONLY).......................................................108
Reverse Key.......................................................................................108
Cutoff..................................................................................................108
Softness .............................................................................................. 108
FILTER - G RADIENT WIPE (PRO ONLY)............................................109
Select Gradient................................................................................109
Tie transition amount to effect transition...................................110
Transition Amount...........................................................................110
Softness .............................................................................................. 110
Border Size........................................................................................110
Border Color....................................................................................110
WARP – BASIC EXPLODE (PRO ONLY)..............................................111
Reset ................................................................................................... 111
Time....................................................................................................111
Tie Time To Transition....................................................................112
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Enable Velocity Decay...................................................................112
Enable Random Sliders .................................................................. 112
Jagged Pieces...................................................................................112
Enable Rotation...............................................................................112
Enable Gravity.................................................................................112
Decay Affects Rotation....................................................................112
Maximum Number of Pieces...........................................................112
Velocity..............................................................................................113
WARP – (PRO ONLY)............................................................................114
Reset ................................................................................................... 114
Time....................................................................................................114
Tie Time To Transition....................................................................115
Enable Velocity Decay...................................................................115
Enable Random Sliders..................................................................115
Jagged Pieces...................................................................................115
Enable Rotation...............................................................................115
Enable Gravity.................................................................................115
Decay Affects Rotation....................................................................115
Maximum Number of Pieces...........................................................116
Velocity..............................................................................................116
Velocity Decay.................................................................................116
Rotation of Fragments....................................................................116
Gravity Spinner................................................................................116
Gravity Slider...................................................................................116
Plane of Gravity...............................................................................116
WARP – PEEL (PRO ONLY)..................................................................117
Peel Plane.........................................................................................117
Tie Transition Amount to effect transition..................................118
Tie peel direction to flight direction............................................118
Peel Instead of Roll.........................................................................118
Reverse Radius of Peel....................................................................118
Percentage of Peel Completed......................................................118
Radius Of Peel..................................................................................118
Angle of Peel.....................................................................................118
WARP – BASIC RIPPLE (PRO ONLY)..................................................119
Height................................................................................................119
Tie X and Y frequency together.....................................................120
Frequency.........................................................................................120
Offset (X and Y) ................................................................................120
Tie Phase to transition...................................................................120
Phase..................................................................................................120
Function ............................................................................................ 120
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Default Settings ................................................................................121
Clear all values to 0.0 ....................................................................121
WARP – RIPPLE (PRO ONLY)..............................................................122
Height................................................................................................122
Tie X and Y frequency together.....................................................123
Frequency.........................................................................................123
Offset (X and Y) ................................................................................123
Tie Phase to transition...................................................................123
Phase..................................................................................................123
Function ............................................................................................ 123
Default Settings ................................................................................124
Clear all values to 0.0 ....................................................................124
WARP - TWIST (PRO ONLY)................................................................124
Twist Axis..........................................................................................125
Twist ................................................................................................... 125
THE SETTINGS DIALOG.......................................................................127
PREVIEW SETTINGS...............................................................................127
Maximum Resolution......................................................................128
Preview Type....................................................................................128
Antialiasing In Preview..................................................................128
EDIT SETTINGS......................................................................................128
Editing TimeCode............................................................................129
RENDER PERFORMANCE.......................................................................129
Render Type......................................................................................130
Sources Dropdown..........................................................................130
9
IInnttrroodduuccttiioonn
Thank you for purchasing Hollywood FX. Hollywood FX gives
you an incredible collection of 3D transitions that you can
quickly add to your video productions, and customize
completely for your needs. This chapter will introduce you to
Hollywood FX, provide instructions for installation and give
contact information for customer support.
BBeeffoorree YYoouu SSttaarrtt
Before getting started with Hollywood FX you should have a
good working knowledge of your Windows system. You should
be able to use the mouse to select menu options and should
understand and be able to use the common controls.
You should also be thoroughly familiar with your video editing
software. You should be able to use clips in the timeline and
understand how to add and modify transitions.
Throughout this document we use the term FX to refer to the
transitions and effects in Hollywood FX. This term generically
describes the following types of transitions and effects:
• Transition. These are standard A-B transitions, where
one video source transitions into a second.
• Transition+ These are also A-B transitions; however,
they may have additional video channels that can be
mapped with video. For example, the FlipOver FX
features the first video source flipping over like a card to
reveal the second video source. There is a third video
source that is visible in the background as the “card” flips
over.
• MultiWindow These effects are not transitions at all.
Instead, windows of video may fly on or off the screen into
various positions while playing your video.
HHoollllyywwoooodd FFXX ffoorr SSttuuddiioo
IInnssttaallllaattiioonn ffoorr WWiinnddoowwss 9988//MMEE//22000000
Before installing Hollywood FX, verify that you have the correct
minimum requirements:
• PC compatible with at least a Pentium 166 MHz
processor (or compatible equivalent).
• Windows 98/ME/2000
• 64 MB RAM (more may be required by your video
editing software). For multi-window effects, 128 to
256 MB (or more) is recommended.
• At least 40 MB Hard Disk space.
• 16 or 24 bit display adapter. 3D Accelerator
recommended.
·· TToo iinnssttaallll HHoollllyywwoooodd FFXX::
F Insert the Hollywood FX CD into your CD-ROM drive. The CD-
ROM Welcome dialog will appear.
F Enter the serial number that came with your software (it can be
found on the first page of this guide or on the CD-ROM sleeve).
Enter the serial number exactly as shown, including dashes, then
click Ok.
F The Main Installation menu for your software will appear.
F Select Install Hollywood FX. The installer will load, and the
Setup Welcome dialog will appear.
F Click Next to continue. The Setup Path dialog will appear.
F Normally you should accept the default path for installation. Do
not select your non-linear editor’s plug-in path for installation;
the installer will automatically install the files needed into your
non-linear editor’s folders. Click Next to continue. The Select
Host Plugins dialog will appear.
F Click on the checkboxes for any host applications that the
installer should search for and install a Hollywood FX plugin.
Click Next to continue. Hollywood FX will be installed on your
system.
F At the end of the installation, you will be required to enter your
Serial Number. You will find the serial number on the paper
sleeve that the Hollywood FX CD-ROM was packaged in.
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AAddddiinngg aa MMuullttiiWWiinnddooww iinn PPiinnnnaaccllee SSttuuddiioo
F After clicking OK, the Licensing Tool will open. This is where
you can join Club Hollywood and get your permanent Keycode.
F After installation, you may be required to restart your system.
If you have an Internet connection on the system Hollywood FX
is installed on, you will also have the option of registering your
software and joining Club Hollywood quickly and easily from
the Hollywood FX application.
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CClluubb HHoollllyywwoooodd
When you register Hollywood FX online at
www.hollywoodfx.com to get your permanent keycode, you
will also receive a userid, password, and some initial
credit that you can use in Club Hollywood, the Internet FX
mall. Browse through and order new FX, plug-ins and more,
either individually or in libraries that open a new world for
Hollywood FX. Once you have used your initial credit, you can
purchase additional credit at any time and continually expand
your Hollywood FX.
You can also purchase and instantly download upgrades to
Hollywood FX through Club Hollywood. Simply click on the
Club icon after selecting the HFX transitions.
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AAddddiinngg aa MMuullttiiWWiinnddooww iinn PPiinnnnaaccllee SSttuuddiioo
AAddddiinngg YYoouurr ffiirrsstt FFXX iinn PPiinnnnaaccllee SSttuuddiio
Prepare two video sources on the 1st and 2nd frames of the
storyboard. Now drag any HFX Plus transition between them.
Two video clips ready with a Hollywood FX transition in the
storyboard
·· TToo aadddd aa ttrraannssiittiioonn ttoo tthhee ttiimmeelliinnee::
F Make sure the Transitions tab in the Album is visible.
F Switch to the HFX Plus Flying Windows group from the drop
down menu.
F Drag the desired transition to the timeline so that it is between
the two video clips.
o
The Hollywood FX for Studio transition group
·· TToo rreevveerrssee oorr eeddiitt aa ttrraannssiittiioonn::
F Go to the desired transition in the storyboard.
F Double-click on the transition block. The Studio Transition
Options should appear.
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F You can quickly reverse the direction by checking the Reverse
check box.
The Studio Transition Options where you can edit your selection.
CChhoooossiinngg aanndd EEddiittiinngg aa ttrraannssiittiioonn wwiitthhiinn
HHoollllyywwoooodd FFXX
When the Hollywood FX dialog is displayed, you will
immediately see the FX Catalog You can override any
transition chosen within the Studio transition group, by simply
selecting an FX from within Hollywood FX. Any changes will
be updated upon returning to the Studio timeline.
·· TToo CChhaannggee aann FFXX::
F Click on the Edit button and the powerful HFX Plus editor
appears.
F Select Plus Flying Windows group from the FX Group popup list.
F Click on the Spin Off icon.
The Hollywood FX Catalog Selection
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AAddddiinngg aa MMuullttiiWWiinnddooww iinn PPiinnnnaaccllee SSttuuddiioo
·· TToo EEddiitt tthhee llooookk ooff tthhee FFXX::
F Click on the Basic Option button in the Control panel.
F Check the Shadows button.
F Now rotate the effect by selection the disk like button in the
Easy Flight area. Rotate to 128. The effect will spin off in a
different direction. Its that easy! Now click OK.
Basic options – Shadows checked and Easy Flight modified
TTrroouubblleesshhoooottiinngg
This section provides a list of common problems and their
solutions. If you can’t find an answer to your problem in this
list, or in the ReadMe file that is created during setup, then
contact Hollywood FX customer support for more help.
My video editor crashes when I try to use Hollywood
FX.
This usually indicates a conflict with your 3D graphics card.
You should download and install the very latest drivers for your
graphics card.
I never get a rendered transition, I just get the
Hollywood FX Logo.
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This indicates that Hollywood FX was not able to use OpenGL
to render the effect. Check the following items to resolve this
problem:
• Check to make sure the files Opengl32.dll and
Glu32.dll are in your Windows\System folder
(Winnt\System32). If they are not present,
Windows 95 users should download the OpenGL
libraries from the Support area of the Hollywood FX
website. Windows 98, NT, and 2000 users should
check their operating system installation, and
reinstall any service packs.
• Make sure you are using the very latest drivers for
your graphic display card.
• Click on the Settings button in the Hollywood FX
dialog and try changing the Render Type to
OpenGL Software Engine. If it is already set to
OpenGL Software change it to Portable
Software.
Hollywood FX Setting Requester
When I select video or images in the Media Options
panel I get a white object instead of video.
Generally this indicates you have run low on memory. If you
are doing MultiWindow effects with more than 3 video
sources, you should have a minimum of 128 MB of RAM (with
at least 256 MB highly recommended). If you are using
images you scanned in, you should lower the resolution of
those scanned images.
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Plus & PRO
Prepare two video sources on the 1st and 2nd frames of the storyboard.
Now drag any HFX Plus transition between them.
Two video clips ready with a Hollywood FX transition in the
·· TToo eeddiitt tthhee ttrraannssiittiioonn::
F Go to the desired transition in the storyboard.
F Double-click on the transition block. The Studio Transition
Options should appear.
F Now click the Edit button.
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HHoollllyywwoooodd FFXX ffoorr SSttuuddiioo
The Studio Transition Options where you can edit your selection.
·· TToo CChhaannggee aann FFXX::
F Click on the Edit button and the powerful HFX Plus/PRO editor
appears.
F Select Plus or PRO Bars group from the FX Group popup list.
F Click on the Flying Bars icon.
The Hollywood FX Plus Bars for Studio transition group
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rrdd
·· NNooww aadddd tthhee 3
F Click on the Host Video 3 button in the Control panel.
F Click the Select File button and choose a media clip from where
it resides on your hard drive.
F Now you can trim the In and Out point by dragging the preview
bar and click the In and Out buttons for the desired length.
3
SSoouurrccee::
Basic options – Shadows checked and Easy Flight modified
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Tuuttoorrii
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Plus & PRO (PRO envelope editor shown)
This tutorial demonstrates the way you can keyframe any
option in Hollywood FX to create advanced results.
Hollywood FX uses the term Envelope to describe a set of
keyframes that describe how an option’s value will change
over time in Hollywood FX.
·· PPrreeppaarree ffoorr tthhee TTuuttoorriiaall aanndd SSeelleecctt tthhee FFXX::
F Create a new project in your host application.
F Add two video clips and create a two second transition between
them.
F Add Hollywood FX as a transition between the two video clips.
F From the Hollywood FX dialog, select the Tumble 2 transition in
the Flying Window Transitions group.
The Envelope Editor is normally hidden when you first begin
using Hollywood FX (to keep life simple).
·· TToo ddiissppllaayy tthhee EEnnvveellooppee EEddiittoorr::
F Click on the Envelope Editor button at the bottom of the
Hollywood FX dialog.
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The Envelope Editor Button
The Envelope Editor will appear. We are going to modify the
Tumble 2 transition by making the tumbling video dissolve as
it tumbles into the distance. We will do this by creating an
envelope for the object’s Dissolve option.
HHoollllyywwoooodd FFXX ffoorr SSttuuddiioo
·· SSeelleecctt tthhee OObbjjeecctt aanndd OOppttiioonn::
F Click on the Flat Window object in the Edit List panel.
F Click on the Dissolve slider in the Object Options panel so that
it is highlighted.
Notice that the word Dissolve under the slider is highlighted in
green. This is an indicator that it is the current option that can
be modified in the Envelope Editor. Whenever you select a
control that can have an envelope in Hollywood FX, it will be
highlighted in green.
Hollywood FX makes it extremely easy to create envelopes by
simply clicking and dragging in the envelope window. We
want to create an envelope for dissolve that makes the object
disappear over the entire length of the transition.
·· TToo ccrreeaattee aa ssiimmppllee eennvveellooppee::
F Click-and-drag in the envelope window at 100% in time, and 100%
in value. Drag the keyframe you create all the way to 100%
value and release the mouse.
A second keyframe is
created automatically
at time 0%
The envelope after creating the first keyframe
Notice that there are two keyframes (indicated by blocks).
The one at 100% is the one you created. The keyframe at 0%
is created automatically, since all envelopes in Hollywood FX
must at a minimum have keyframes at 0% and 100%.
Also notice that the preview and the current time slider at the
top of the envelope window both moved to 100%, and that the
keyframe at 100% is highlighted in red to indicate that it is the
current keyframe.
The way the envelope is currently designed, the value of
Dissolve will remain 100% for the entire effect. What we
want is for the value to start at 0%, so lets change the first
keyframe.
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TTuuttoorriiaall:: EEnnvveellooppeess
Click and drag
·· TToo cchhaannggee tthhee ffiirrsstt kkeeyyffrraammee::
F Click-and-drag on the blue block that represents the keyframe at
time 0%.
F Drag the blue block to the bottom of the envelope window (value
0%). Notice the Dissolve slider (in the Object Options panel)
while you are dragging. Its value is “tied” to the current
envelope.
F Release the mouse button.
The first keyframe is adjusted
the keyframe
at time 0%.
Now our envelope will work correctly, causing the object to
dissolve over the entire length of the transition. Try playing
the preview to see the results.
Let’s add one more keyframe to this envelope, so that the
object becomes transparent more quickly. We will create this
key in a different way.
·· TToo ccrreeaattee tthhee nneeww kkeeyyffrraammee::
F Drag the current time slider at the top of the envelope window
until it is at 50%.
F Now drag the Dissolve slider in the Object Options panel up to
90%.
After creating the new keyframe
The new keyframe is created automatically when you change
the value of Dissolve. This shows how the original value
slider for Dissolve and the Envelope Editor are tied together.
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This feature makes it extremely easy to create keyframes for
any value in Hollywood FX.
Before concluding this tutorial, lets play around with some of
the other envelope controls. First, let’s move quickly between
the keyframes in this envelope.
·· TToo mmoovvee bbeettwweeeenn kkeeyyffrraammeess::
F Click on the Prev button in the Envelope Editor. The current
time slider (and preview) will move to the keyframe at 0%.
F Click on the Next button in the Envelope Editor. The current
time slider will move to the keyframe at 50%.
F Click on the Next button. The current time slider will move to
the keyframe at 100%.
F Finally, click on the Prev button to return to the 50% keyframe.
Using the Prev and Next buttons can quickly get you to the
keyframe you need, especially when you have keyframes close
together and one of them is hard to select by clicking on it with
the mouse.
Now, let’s save our current envelope to disk. If you create an
interesting envelope that you might want to use again, you can
save it to disk.
·· TToo ssaavvee tthhee eennvveellooppee::
F Click on the Save… button in the Envelope Editor.
F Type tutorial for the filename in the file requester.
F Click Ok in the file requester to save the envelope.
Now let’s say we don’t really like having the keyframe at 50%,
so we will get rid of it.
·· TToo ddeelleettee tthhee ccuurrrreenntt kkeeyyffrraammee::
F Click on the Delete button in the Envelope Editor.
The keyframe at 50% disappears, and the envelope returns to
a straight line between 0% and 100%.
If we decide we don’t want the envelope at all (we want to
return to a single value for the entire duration of the FX), then
we can remove the envelope.
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TTuuttoorriiaall:: EEnnvveellooppeess
·· TToo rreemmoovvee tthhee eennvveellooppee::
F Click on the Remove button at the top of the Envelope Editor.
The envelope will disappear, and the Dissolve slider now
controls the dissolve value for the entire duration of the FX.
For our final trick, let’s load back in the envelope we saved
above.
·· TToo llooaadd aann eennvveellooppee::
F Click on the Load button in the Envelope Editor.
F Double-click the tutorial file in the file requester.
Our envelope is back. Exit the Hollywood FX dialog and try
rendering the FX with the dissolve envelope.
Remember, envelopes can be created for almost any value in
Hollywood FX. If a control is highlighted in green when you
use it, that means you can control that value with an envelope
and create exciting results.
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