Autodesk 64006-051108-9001 User Guide - Page 71

Image Size, screen. See Aspect Ratio Correction

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Page 71 highlights

The Image Tab 63 Image Size Control the final size of output with this feature. Use the Image Size numeric fields to set the pixel dimensions of the final image. You can constrain the fields to a specific aspect ratio with one of the choices in the constrain pop-up menu below the Image Size fields. The constrain pop-up menu controls the aspect ratio at which you want to store the movie. You can choose one of the following options: •Same as source - constrains the file's dimensions to the same aspect ratio as the original source file. This is very useful if you are cropping to remove edge noise from your video but you want the final movie to be the same size as the original. •Same as cropped source - constrains the file's dimensions to the aspect ratio of the cropped source file. •4:3 - constrains the file's dimensions to the standard NTSC/PAL aspect ratio. •16:9 - constrains the file's dimensions to the standard HDTV aspect ratio. •Custom... - opens the Aspect dialog to set a custom aspect ratio for the file. •Unconstrained - ignores the source file's aspect ratio and enables you to enter any dimension. Note that you will distort your file if you choose dimensions that are a different ratio than the file's original aspect ratio. If you choose any option other than Unconstrained, entering a number in one numeric field automatically calculates the dimensions for the other field. The output file conforms to the aspect ratio of the manual crop if you choose Same as cropped source. If you do not set a manual crop, the proportions remain the same as the original source file. Note: You may introduce distortion into the video or image if you select a ratio that is not the same ratio as the original and do not crop your movie to compensate. To avoid distorting the image, you should first set the pixel dimensions in conjunction with the constrain pop-up menu. Then, manually crop the video or image to the same ratio you selected in the constrain pop-up. The resulting cropping rectangle will have the same proportions as the specified output size. Aspect Some formats do not have square pixels and must be corrected to look normal on a computer screen. See "Aspect Ratio Correction" on page 34. If you are producing a QuickTime movie, you can choose the video's display size, which can be larger than the size of the actual video.

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The Image Tab
63
Image Size
Control the final size of output with this feature.
Use the Image Size numeric fields to set the pixel dimensions of the final image. You can
constrain the fields to a specific aspect ratio with one of the choices in the constrain pop-up
menu below the Image Size fields.
The constrain pop-up menu controls the aspect ratio at which you want to store the movie. You
can choose one of the following options:
•
Same as source
— constrains the file’s dimensions to the same aspect ratio as the original
source file. This is very useful if you are cropping to remove edge noise from your video
but you want the final movie to be the same size as the original.
•
Same as cropped source
— constrains the file’s dimensions to the aspect ratio of the
cropped source file.
•
4:3
— constrains the file’s dimensions to the standard NTSC/PAL aspect ratio.
•
16:9
— constrains the file’s dimensions to the standard HDTV aspect ratio.
•
Custom...
— opens the Aspect dialog to set a custom aspect ratio for the file.
•
Unconstrained
— ignores the source file’s aspect ratio and enables you to enter any
dimension. Note that you will distort your file if you choose dimensions that are a different
ratio than the file’s original aspect ratio.
If you choose any option other than Unconstrained, entering a number in one numeric field
automatically calculates the dimensions for the other field. The output file conforms to the
aspect ratio of the manual crop if you choose Same as cropped source. If you do not set a
manual crop, the proportions remain the same as the original source file.
Note:
You may introduce distortion into the video or image if you select a ratio that is not the
same ratio as the original and do not crop your movie to compensate. To avoid distorting the
image, you should first set the pixel dimensions in conjunction with the constrain pop-up
menu. Then, manually crop the video or image to the same ratio you selected in the constrain
pop-up. The resulting cropping rectangle will have the same proportions as the specified
output size.
Aspect
Some formats do not have square pixels and must be corrected to look normal on a computer
screen. See “Aspect Ratio Correction” on page 34.
If you are producing a QuickTime movie, you can choose the video’s display size, which can
be larger than the size of the actual video.