342 lines
10 KiB
HTML
342 lines
10 KiB
HTML
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<!DOCTYPE html PUBLIC "-//w3c//dtd html 4.0 transitional//en">
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<html>
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<head>
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<meta http-equiv="Content-Type"
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content="text/html; charset=iso-8859-1">
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<meta name="GENERATOR"
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content="Mozilla/4.78 [en] (X11; U; Linux 2.4.9-13smp i686) [Netscape]">
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<title>gfeConfig - Weather Color Algorithm Configuration</title>
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</head>
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<body style="background-color: rgb(255, 255, 255);">
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<div class="Body">
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<div class="3Heading">
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<h2 style="text-align: center;">GFE/ifpIMAGE Configuration File<br>
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Weather Color Algorithm Configuration</h2>
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The weather color algorithm is very complicated. In order to
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understand
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the algorithm, it is important to understand the capability of the
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weather
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key and its components: coverage/probability, type, intensity,
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visibility,
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and optional attributes.
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<p>The allowed names of types, intensities, and coverage/probabilities
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are available in the <a
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href="serverConfig.html#WeatherConfigurationSection"><!--disable indexer-->serverConfig.py</a>
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file.</p>
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</div>
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<div class="3Heading">
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<table nosave="" border="1" cols="4" width="100%">
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<tbody>
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<tr>
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<td>
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<center><b>GFE Configuration Item</b></center>
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</td>
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<td>
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<center><b>Applicable to GFE</b></center>
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</td>
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<td>
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<center><b>Applicable to <a href="ifpIMAGE.html"><!--disable indexer-->ifpIMAGE</a></b></center>
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</td>
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<td>
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<center><b>Notes</b></center>
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</td>
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</tr>
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<tr>
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<td><a href="#WeatherColorAlgorithm">Weather Color Algorithm</a></td>
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<td>YES</td>
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<td>YES</td>
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<td><br>
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</td>
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</tr>
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<tr>
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<td><a href="#WeatherCoverageFillPatterns">Weather Coverage Fill
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Patterns</a></td>
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<td>YES</td>
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<td>YES</td>
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<td><br>
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</td>
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</tr>
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<tr>
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<td><a href="#DefiningColorEntriesforWeatherTypesandIntensities">Defining
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Color Entries for Weather Type and Intensities</a></td>
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<td>YES</td>
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<td>YES</td>
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<td><br>
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</td>
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</tr>
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<tr>
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<td><a href="#WeatherGenericColros">Weather Generic Colors</a></td>
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<td>YES</td>
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<td>YES</td>
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<td><br>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<blockquote>
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</blockquote>
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<hr style="width: 100%; height: 2px;">
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<h4><br>
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</h4>
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<h3><a name="WeatherColorAlgorithm"></a><font size="+1">Weather
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Color
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Algorithm</font>
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</h3>
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The current weather color algorithm ignores visibility and optional
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attributes.
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The following table illustrates the color algorithm. A composite
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weather
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type is defined as more than one weather type combined for one
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coverage/probability.
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For example, rain is a weather type and snow is a weather type.
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Combining
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rain and snow would be considered a composite weather type.
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<table nosave="" border="1" width="100%">
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<tbody>
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<tr nosave="">
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<td>
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<center><b>Number of Unique Coverages/Probabilites</b></center>
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</td>
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<td>
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<center><b>Fill Pattern</b></center>
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</td>
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<td nosave="">
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<center><b>Composite Weather Type</b></center>
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</td>
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<td>
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<center><b>Color</b></center>
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</td>
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</tr>
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<tr>
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<td>1</td>
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<td>Based on entries in WeatherCoverage_names and
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WeatherCoverage_fillPatterns.
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Only one fill pattern will be used based on the coverage/probability
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term.</td>
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<td>No</td>
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<td>First looks in WeatherTypeInten_names and
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WeatherTypeInten_colors
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to look for a type and intensity match. If not found, looks in
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WeatherType_names
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and WeatherType_colors for a match. If not found, then assigns a
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color from WeatherGeneric_colors.</td>
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</tr>
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<tr>
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<td>1</td>
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<td>Based on entries in WeatherCoverage_names and
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WeatherCoverage_fillPatterns.
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Only one fill pattern will be used based on the coverage/probability
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term.</td>
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<td>Yes</td>
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<td>First looks in WeatherTypeInten_names and
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WeatherTypeInten_colors
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to look for a composite type and intensity match. If not found,
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looks
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in WeatherType_names and WeatherType_colors for a match. If not
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found,
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then assigns a color from WeatherGeneric_colors.</td>
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</tr>
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<tr>
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<td>2</td>
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<td>Based on entries in WeatherCoverage_names and
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WeatherCoverage_fillPatterns.
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The fill pattern is determined for both of the unique
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coverages/probabilities.
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The pattern is overlapped on the display.</td>
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<td>No</td>
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<td>For each unique coverage/probability, first looks in
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WeatherTypeInten_names
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and WeatherTypeInten_colors to look for a type and intensity
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match.
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If not found, looks in WeatherType_names and WeatherType_colors for a
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match.
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If not found, then assigns a color from WeatherGeneric_colors. The
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result
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is two colors on the display each with different fill patterns.</td>
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</tr>
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<tr>
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<td>2</td>
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<td>Based on entries in WeatherCoverage_names and
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WeatherCoverage_fillPatterns.
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The fill pattern is determined for both of the unique
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coverages/probabilities.
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The pattern is overlapped on the display.</td>
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<td>Yes</td>
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<td>For each unique coverage/probability, first looks in
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WeatherTypeInten_names
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and WeatherTypeInten_colors to look for a composite type and intensity
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match. If not found, looks in WeatherType_names and
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WeatherType_colors
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for a match. If not found, then assigns a color from
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WeatherGeneric_colors.
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The result is two colors on the display each with different fill
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patterns.</td>
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</tr>
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<tr>
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<td>3 or more</td>
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<td>Solid fill pattern is always used.</td>
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<td>N/A</td>
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<td>Uses a color from WeatherGeneric_colors. The solid
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pattern denotes
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a "complex" set of weather.</td>
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</tr>
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</tbody>
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</table>
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<h4>
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<a name="WeatherCoverageFillPatterns"></a><font size="+1">Weather
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Coverage
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Fill Patterns</font></h4>
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WeatherCoverage_names and WeatherCoverage_fillPatterns are
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parallel lists of values and must be the same size. For each
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possible
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weather coverage, the fill patterns array defines the fill pattern to
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use.
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There are only a few allowed fill patterns and line patterns that may
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be
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used. If additional patterns are designed, you will need to contact the
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developers. The available fill patterns are:
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<blockquote><li>WHOLE</li>
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<li>WIDE</li>
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<li>SCATTERED</li>
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<li>WIDE_SCATTERED</li>
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<li>ISOLATED</li>
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<li>TRANS_25PC_45DEG</li>
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<li>TRANS_25PC_135DEG</li>
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<li>SELECTED_AREA</li>
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<li>DUALCURVE</li>
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<li>CURVE</li>
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<li>VERTICAL</li>
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<li>CROSS</li>
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<li>HORIZONTAL</li>
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</blockquote>
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You can view <a href="FillPatterns.html">examples of these fill
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patterns
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here</a>.
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<p>For example, if "Iso" coverage is in the 1st entry of the list and
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ISOLATED
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appears in the first entry of the fill patterns, the for Iso coverage,
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the fill pattern ISOLATED will be used.
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</p>
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<p><b><tt>WeatherCoverage_names = ["Iso", "WSct", "Sct", "Num", "Wide",
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"Ocnl", "SChc",</tt></b>
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<br>
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<b><tt>"Chc", "Lkly", "Def", "Patchy", "<NoCov>"]</tt></b>
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<br>
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<b><tt>WeatherCoverage_fillPatterns = ["ISOLATED", "WIDE_SCATTERED",
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"SCATTERED", "WIDE", "WIDE", "TRANS_25PC_45DEG", "ISOLATED",
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"WIDE_SCATTERED",
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"SCATTERED", "WIDE", "SCATTERED", "WHOLE"]</tt></b>
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<br>
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</p>
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<h4><a name="DefiningColorEntriesforWeatherTypesandIntensities"></a><font
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size="+1">Defining
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Color Entries for Weather Types and Intensities</font></h4>
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With the set of WeatherType and WeatherTypeInten lists, the user may
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specify
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different color combinations for different weather types. An
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example
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of this is shown in the following table:
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<table nosave="" border="1" cols="2" width="100%">
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<tbody>
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<tr>
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<td>
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<center><b>Weather Type/Intensity</b></center>
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</td>
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<td>
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<center><b>Desired Color</b></center>
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</td>
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</tr>
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<tr>
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<td>Snow regardless of intensity</td>
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<td>White</td>
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</tr>
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<tr>
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<td>Rain, all intensities other than heavy</td>
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<td>Green</td>
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</tr>
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<tr>
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<td>Rain, heavy</td>
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<td>cyan</td>
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</tr>
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<tr>
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<td>Fog</td>
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<td>Yellow</td>
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</tr>
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<tr>
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<td>Rain and Snow Mixed</td>
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<td>Purple</td>
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</tr>
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<tr>
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<td>Freezing Rain</td>
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<td>Orange</td>
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</tr>
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<tr>
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<td>Thunderstorms (TRW)</td>
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<td>Red</td>
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</tr>
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<tr>
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<td>Strong Thunderstorms (T+RW)</td>
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<td>Red1</td>
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</tr>
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<tr>
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<td>No weather</td>
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<td>Gray40</td>
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</tr>
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</tbody>
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</table>
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The entries in the two lists would be as follows:
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<p><b><tt>WeatherType_names = ["S", "R", "F", "RS", "ZR", "TRW",
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"<NoWx>"]</tt></b>
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<br>
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<b><tt>WeatherType_colors = ["white", "green", "yellow", "purple",
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"orange", "red", "gray40"]</tt></b>
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<br>
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<b><tt>WeatherTypeInten_names = ["T+RW", "R+"]</tt></b>
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<br>
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<b><tt>WeatherTypeInten_colors = ["red1", "cyan"]</tt></b>
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</p>
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<p><tt>T</tt>he weather type entries are parallel lists of values and
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must
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be the same size. The user defines the color desired for a
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particular
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composite weather type. The color names may be X colors either in
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named color or #rrggbb format. This list does not contain intensity
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descriptors
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and is searched after the WeatherTypeInten_names and
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WeatherTypeInten_colors.
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</p>
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<p>The weather type intensity entries are parallel lists of values and
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must be the same size. The user defines the color desired for a
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particular
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composite weather type and intensity.
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<br>
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</p>
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<h4><a name="WeatherGenericColros"></a><font size="+1">Weather Generic
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Colors</font></h4>
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Weather Generic colors are used for any types that are not defined in
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the
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WeatherType_names or WeatherTypeInten_names. The set of generic
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colors
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are also used for complex weather patterns, where 3 or more different
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probabilities/coverages
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are present in a grid cell. The colors in this list will be used
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before a "random" color is chosen.
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<p><b><tt>WeatherGeneric_colors = ["Coral", "CadetBlue2", "Aquamarine",
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"DarkKhaki",</tt></b>
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<br>
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<b><tt>"DodgerBlue", "IndianRed1", "PaleGreen", "MistyRose",
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"chartreuse3",
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"PapayaWhip"]<br>
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</tt></b></p>
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<hr style="width: 100%; height: 2px;"><b><tt><br>
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</tt></b>
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<div class="Body">
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<center><a href="GFESuite.html">Back To TOC</a></center>
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</div>
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</div>
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</body>
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</html>
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