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IRIX 6.5 Applications 1999 May
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SGI IRIX 6.5 Applications 1999 May.iso
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impr_base.idb
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usr
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catman
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cat1
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zoomstiff.z
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zoomstiff
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Text File
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1998-05-04
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3KB
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67 lines
ZZZZOOOOOOOOMMMMSSSSTTTTIIIIFFFFFFFF((((1111)))) IIIImmmmpppprrrreeeessssssssaaaarrrriiiioooo ZZZZOOOOOOOOMMMMSSSSTTTTIIIIFFFFFFFF((((1111))))
NNNNAAAAMMMMEEEE
zoomstiff - magnify or shrink a TIFF stream
SSSSYYYYNNNNOOOOPPPPSSSSIIIISSSS
zzzzoooooooommmmssssttttiiiiffffffff [ ----bbbb | ----gggg | ----iiii | ----mmmm | ----tttt | ----qqqq ] [ ----wwww _b_l_u_r ] [ ----ssss ] _x_s_i_z_e _y_s_i_z_e
DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
_z_o_o_m_s_t_i_f_f magnifies or shrinks the images contained in a TIFF stream
(STIFF), with or without filtering. The filtering method is one pass,
uses 2-d convolution, and is optimized by integer arithmetic and
precomputation of filter coefficients. By default, _z_o_o_m_s_t_i_f_f uses a
triangle filter kernel (----bbbb option, below).
_z_o_o_m_s_t_i_f_f uses the same algorithms as _i_z_o_o_m(6D), modified to operate on
the various permutations of STIFF.
_x_s_i_z_e and _y_s_i_z_e are the number of pixels desired in the horizontal and
vertical directions respectively in the resized image, unless the ----ssss
option is present, in which case they are scale factors.
_z_o_o_m_s_t_i_f_f reads from its standard input and writes the zoomed image data
to its standard output.
CCCCoooommmmmmmmaaaannnndddd LLLLiiiinnnneeee OOOOppppttttiiiioooonnnnssss
_z_o_o_m_s_t_i_f_f supports the following command line options:
----bbbb Use a box as the filter kernel.
----gggg Use a Gaussian filter kernel.
----iiii Do impulse zooming. This option disables the filtering that
_z_o_o_m_s_t_i_f_f does by default. This will result in much faster
execution time, but undesirable effects in the image data.
----mmmm Use a Mitchell kernel.
----tttt Use a triangle kernel. This is the default.
----qqqq Use a quadratic function as the filter kernel.
----ssss When this option is present, interpret _x_s_i_z_e and _y_s_i_z_e as
scaling factors rather than sizes.
----wwww _b_l_u_r Specify the width of the reconstruction filter. This will
affect how blurry the resulting image is. If you want more
blur use a larger number. The default value is 1.0.
SSSSEEEEEEEE AAAALLLLSSSSOOOO
_v_s_t_i_f_f(1), _l_i_b_s_t_i_f_f(3), _i_z_o_o_m(6D).
PPPPaaaaggggeeee 1111