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When saving sat files in summary mode, three types of "compression" occur:
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Indexing of IDs
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Summarization of logicals
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Summarization of enums
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Indexing of IDs
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This method of compression gives each ID an index, then allows that ID to be represented by it's index for the remainder of the sat file. For example, the first occurrence of 'loop' in a sat file would be represented by "loop%1". All subsequent occurrences of 'loop' would be represented by "%1".
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Summarization of logicals
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Some
ACIS entities have sat-file data that has two-states, e.g., forward/reverse, out/in, no_rotate/rotate, etc. In summary mode, these states are simply represented as the single characters, T/F.
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Summarization of enums
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Some
ACIS entities have sat-file data that has many states, e.g., non_singular/singular_low/singular_high/ singular_both, no_radius/single_radius/two_radii etc. In summary mode, these states are simply represented by E0/E1/E2/E3 and so on.
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