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mra_hlp
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\ApAssist
\: - This is the Quick Help for the process analysis panel -
\: ---------------------------------------------------------------------
\: Written by David E. Patterson
\: ---------------------------------------------------------------------
\font topaz.font 8
\tc 1
\wr
\lj
\dd "imh_descriptor"
\index "hlp_index/index"
\toc "hlp_toc/toc"
\help "aa_help/help
\node "mra_setscale"
\title "Set Scale"
\next "mra_histoeval"
\prev ""
This tool allows you to tell \{ \ts b Imagemaster R/t \} the relationship
between screen pixels and real world measuring system units. \{ \ts b
Imagemaster R/t \} will perform measurements, but it has to know how big
apixel is.
\endnode
\node "mra_histoeval"
\title "Histogram Evaluation"
\next "mra_calcarea"
\prev "mra_setscale"
This function will provide you with five seperate histograms for \{ \tc 9
Red\tc 1 , \tc 10 Green\tc 1 , \tc 11 Blue\tc 1 , Average, and Luma. \}
\endnode
\node "mra_calcarea"
\title "Calculate Area"
\next "mra_measdist"
\prev "mra_histoeval"
This will calculate the area within any area that you select. This
measurement is based upon the values specified in the \{ \ts i \tc 10 Set
Scale \} panel.
See Also: \{ \ts i \tc 15 \link "Set Scale" "mra_setscale"\}
\endnode
\node "mra_measdist"
\title "Measure Distance"
\next "mra_measdens"
\prev "mra_calcarea"
This allows you to make linear measurements. Also included in this panel are
linear measurements for rectangles, ellipses, and other shapes.
\endnode
\node "mra_measdens"
\title "Measure Density"
\next "mra_distcalculator"
\prev "mra_measdist"
This will preform a sum of all the greyscales in the selected area. Also
included with this sum is the black sum (total potential sum - measured sum)
and the potential sum for the region. This allows you to make measurements
based on regional intensity quantities.
\endnode
\node "mra_distcalculator"
\title "Distance Calculator"
\next "mra_countcolors"
\prev "mra_measdens"
This tool will convert any value in inches, centimeters, picas, points,
horizontal pixels, or vertical pixels to any of the other measurement scales
specified above.
\endnode
\node "mra_countcolors"
\title "Count Colors"
\next "mra_defback"
\prev "mra_distcalculator"
This tool allows you to find out how many colors form the 16 million color
spaces there are in the primary image.
\{ \ts b Imagemaster R/t \} uses a special memory efficient method of
calculating color density for an image. In order for this function to
operate you must have at least 2 megabytes of available memory when you count
the colors. You may wish to turn \{ \ts i off \} the \{ \ts i \tc 10 Use
Undo Buffer \} button in the \{ \ts i \tc 10 Buffer \} panel. This can
recover quite a bit of memory in some cases. You may also wish to eliminate
any un-needed buffers if memory limitations are a problem.
This operation will provide you with the number of colors in the image, and
the percentage of the available color space that was used. The percentage of
available color space used can be thought of as a \{ \ts i colorfulness
factor \} . As an example, if you have an image that is 320x200, there would
be a total of 64,000 pixels in the image. Obviously, you can only have
64,000 colors in this image, despite the fact that any of those pixels could
be any of the colors in the 16 million color spaces. A report of 25% usage
means that the image contains 1/4 the colors you could have. That would be
16,000 colors in a 64,000 pixel image. It is important to remember that this
is a quantitative measurement, not qualitative.
\endnode
\node "mra_defback"
\title "Define Background"
\next "mra_adjback"
\prev "mra_countcolors"
This will define the background color in a specified area. The color is
specified in the three color components. Also included with that information
is the average color for that region, and the amount of variance in the
component colors.
\endnode
\node "mra_adjback"
\title "Adjust Background Color"
\next ""
\prev "mra_defback"
This allows you to adjust the background color using the three component
colors.
\endnode