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.\" RCSid "$Id" |
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.\" RCSid "$Id$" |
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.TH PFILT 1 11/8/96 RADIANCE |
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.SH NAME |
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pfilt - filter a RADIANCE picture |
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Color-balance the image as if it were illuminated by fixtures of |
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the given type. |
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The specification must match a pattern listed in the lamp |
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lookup table (see the -f option below). |
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lookup table (see the \-f option below). |
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.TP |
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.BR -f \ lampdat |
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Use the specified lamp lookup table rather than the default (lamp.tab). |
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This option may be used to mitigate the problems associated with |
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inadequate image sampling, at the expense of a slightly blurred |
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image. |
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The fraction given should not exceed the output picture dimensions |
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The fraction given should not be less than the output picture dimensions |
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over the input picture dimensions (x_o*y_o/x_i/y_i), or blurring |
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will occur over the entire image. |
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This option implies the |
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.SH ENVIRONMENT |
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RAYPATH directories to search for lamp lookup table |
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.SH FILES |
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/usr/tmp/rt?????? |
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/tmp/rt?????? |
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.SH AUTHOR |
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Greg Ward |
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.SH "SEE ALSO" |
