Apple Motion 2 Guia do Utilizador descarregar pdf (Página 12)

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Known Motion Tracker Issues in Motion

• Don't try to track with another plug-in Þlter before (below in the timeline) the Motion tracker Þlter or you will

hang Motion.

• Don't try to track with a native Motion Þlter before (below in the timeline) the Motion tracker Þlter, you will see a

color shift in the source media.

• Don't try to track a processed layer, as this is likely to hang Motion.

• Be sure you are at the start of the clip when start tracking. If you accidentally start tracking when not at the start,

you must clear the cache before proceeding. To clear the cache, move to the start and change a parameter.

Known Issues with Motion

• When Motion renders an image of smaller resolution than the image’s original size, the result appears cropped

instead of scaled. This includes the Inspector tab’s thumbnail and other icon images. Full size images and Þnal

renders are not affected by this issue.

• Clicking the

About button

Options button

Test OpenGL button

while playing or rendering can freeze or crash

Motion.

• Time Þlters (that require non-current frames) display swapped color channels if they are applied downstream. To

Þx this, apply the Þlter directly to a clip. Time Þlters can also crash if applied to a text layer. Time Þlters crash or

hang when applied downstream with Þltered media upstream or when a Time Þlter is downstream from another

Þlter.

• Sequence data is lost when a Þle is reopened. This means that projects that use Þlters with sequence data (for

example motion tracking and the Grain Þlters) must be rendered in the session in which they are created. These

Þlters may also not render correctly when exporting with Compressor.

• Applying a Þlter to an object in a layer that is in a well (for example, attempt to use a Þltered object as a layer in

the Z-Space Þlter) hangs immediately.

• Motion applied to a nested layer doesn't affect the well, so you cannot apply transformed media to wells. For

example, you could not use BCC Composite to mix a layer with a transformed layer.

• Motion does not pass the project's pixel aspect ratio to plug-ins, so rendered circles may appear squished.

• Dragging a Þltered object into a new layer can result in a crash.

• Motion’s known Þeld issues (which affect animation and alternate layers) make the use of movie media in wells

and all Time Þlters render in limited quality, as the source media is Þeld doubled.

• Current time is passed to the Þlters based on the start of the project, not the start of the Þlter or the start of the

object. So particle Þlters applied to media that does not start at the beginning of the timeline need adjusting. This

also means that the wipe transition’s auto animation does not work correctly unless the clip is the same duration

as the timeline; manually animate the transitions to work around this limitation.

• Grain settings and preset names are not remembered when a Þle is reopened.

• You must select

All Documents

in the dialog box to load Grain presets. This problem only occurs with pre-installed

presets, not with custom presets created in Motion.

• All auto-animated effects behave as if the layer or media they are applied to started at the start of the project.

• The Þrst plug-in applied after a feathered mask shape may have the areas of partial transparency darkened

incorrectly.

• By default Motion will not apply an effect beyond the borders of a clip or graphic. This can cause an effect to appear

clipped at the edge, for example if you applied a Ray Puffy Þlter, the rays would end at the edge of the clip. To

solve this, insert a color solid from the Generators tab in the Library to the back of the layer you want to affect.

• There are some known issues with Time Þlters in Motion. Motion will only provide one Þeld of a frame when

asking for the layer at an alternate time. So for time remapping you must accept Þeld-doubled output, or export

your media to 59.94pi, work in Motion at59.94p, and then use another application to convert the output to 29.97.

• When you load presets, use the L or Load button. The preset menu does not work in Motion.

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