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[Home](Home) | [Contents](Contents) | [Previous - Drawing in a Bitmap Context](DrawingInABitmapContext) | [Next - Image Metadata](ImageMetadata)
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## This is kind of panning out more as a reference document than a using document.
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### Tracking down errors
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When something goes wrong with the interpretation of the json or plist data when creating or rendering a image filter chain object then smig will often return a terse error message. When this happens it is likely that there will be useful information in MovingImages' log file. The [Introduction to using MovingImages debugging section describes how to view the log file](UsingMovingImages#debugging)
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### Creating an Image Filter Chain object
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#### Getting a list of the CoreImage filters
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#### Getting the attributes of a CoreImage filter
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#### Chaining filters together
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#### Providing images from image importer and bitmap context objects
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### Rendering an Image Filter Chain object
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### The Image Filter Chain ruby processing scripts
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### The YVSChromaKey filter
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[Home](Home) | [Contents](Contents) | [Previous - Drawing in a Bitmap Context](DrawingInABitmapContext) | [Next - Image Metadata](ImageMetadata) |