150 lines
5.5 KiB
HTML
150 lines
5.5 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<title>GFESuite Documentation - Using ISC Mode</title>
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</head>
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<body>
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<!-- <hr> -->
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<h2><a name="UsingISCMode"></a>Using the GFE in Show ISC Mode</h2>
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The GFE is one of two modes: Normal, Show ISC. When the GFE is
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toggled
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into "Show ISC Mode" using the <img nosave="" src="images/toggleISC.jpg">
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button on the toolbar, the data presented in the spatial editor is the
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composite grid, rather than the forecast or primary grids. A
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composite
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grid is made up of the forecast grid over the WFO area, and all of the
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surrounding intersite coordination grids received from adjacent WFOs
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for
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the remainder of the area., if your office type is WFO. For RFCs,
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a composite grid is made up of the forecast grid over the RFC area, and
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all of the surrounding intersite coordination grids received from
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adjacent RFCs for the remainder of the area. Any area that does
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not have ISC data or forecast data available will be blank.
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<p>When in Show ISC mode, the following behavior is changed from the
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default:
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<br>
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</p>
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<ul>
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<li>Composite Grid is shown in the spatial editor consisting of the
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forecast
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data over the combined CWA/marine zones (for wfos) and intersite
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coordination data
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over the remainder of the grid domain. For RFCs, the forecast
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data is the RFCs area of responsibility.<br>
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</li>
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<li>Editing changes made to the Forecast grid may not be visible, if
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those
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changes are made to the Forecast grid outside of the CWA/marine zones
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(for WFOs) and RFC area of responsibility (for RFCs)
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(since
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the intersite coordination data will be shown instead).</li>
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<li>Blank areas indicate no data has been received.</li>
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<li>The Pencil tool will pick up the data from either the forecast
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data or
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the intersite coordination data depending upon the location of the
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start
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drag operation.</li>
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<li>The Move/Copy tool will move/copy the composite grid and place it
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into
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the forecast grid. The region copied/moved will be clipped to
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those
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valid data points before the operation begins. The valid points
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are
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defined as your forecast grid and the valid intersite coordination data.</li>
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<li>The Smooth tool will smooth between the ISC and the Fcst segments
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of the composite grid.</li>
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<li>The Color Bar Fit To Data operations will use the composite grid
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for its calculations.</li>
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<li>The Sample Tool and sample points will show the data value, the
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site identifier,
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the last update time, and whether or not the data came from an
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Official/Published
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database for the ISC portions of the grid. The site
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identifier,
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update time, and official db symbol may be turned off through the GFE
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Maps->Sample
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menu. Markers (similar to samples except there are no data values
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displayed) may be placed at appropriate locations to indicate the site
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identifier, update time, and official db symbol. These can be
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controlled
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through the GFE Maps->Markers menu.</li>
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</ul>
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The following items in the GFE are not affected by the toggling of
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"Show
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ISC Mode":
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<ul>
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<li>The temporal editor samples and edit operations always apply to
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the
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Forecast
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data, and does not use the ISC portions of the grid.</li>
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<li>Queries apply to the Forecast data, and do not use the ISC
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portions of
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the grid unless explicitly specified in the query.</li>
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<li>Most smart tools apply to the Forecast data, and do not use the
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ISC
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portions
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of the grid in their calculations unless explicitly specified in the
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tool
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to use the ISC data set.</li>
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<li>The Contour Tool applies only to the Forecast data grid and does
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not
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use
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the ISC portions of the grid.</li>
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</ul>
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<br>
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The ISC Markers that are present are based on whether ISC data is
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displayed from WFOs or RFCs. Each office type has its own set of
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ISC markers.<br>
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<br>
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<h3>Example of how GFE appearance changes when placed into ISC mode</h3>
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<h4>Normal Display Mode</h4>
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<img nosave="" src="images/isc1.jpg" height="798" width="1228">
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<br>
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<br>
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<br>
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<h4>ISC Display Mode</h4>
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<img nosave="" src="images/isc2.jpg" height="797" width="1231">
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<br>
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<br>
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<br>
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<h4>Samples in Normal Mode compared to ISC Mode</h4>
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<img nosave="" src="images/isc3.jpg" height="438" width="295"><img
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nosave="" src="images/isc4.jpg" height="432" width="395">
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<br>
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In the normal mode, sample points are displayed. In ISC mode,
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for those data points that are really ISC data points, the site
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identifier
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(optional), the update time (optional), and the official/published
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database
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symbol (optional) are also presented. The information shown with
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a sample is controlled through the <a
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href="GFEMainMenu.html#ShowISCUpdateTime">Show
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... on Data Samples options</a>.
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<p>If the ISC data represents data from the official database, then a
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"P"
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symbol will be appended to the sample string. If the ISC data
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represents
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data from any other database, e.g., Fcst database, then no symbol will
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be appended. The purpose of the "P" symbol is to indicate that is
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the official released forecast from that site.
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</p>
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<p>There are two types of samples -- one with data values shown, and
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the
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other without data values shown. Normal samples, a.k.a. sample
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sets,
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always have data values shown. Markers are similar to samples,
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except
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that data values are not shown. Markers are persistent, i.e.,
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clearing
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sample points will not clear marker points. Loading of sample
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sets
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does not affect the set of markers placed on the screen. Markers
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may be added or removed through the Sample Tool MB3 popup menu. The
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information
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shown with a marker is controlled through the <a
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href="GFEMainMenu.html#ShowISCUpdateTimeMarker">Show
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... on Marker options</a>.
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</p>
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</body>
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</html>
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