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<TITLE>TerraExplorer Pro - Skyline Software Systems, Inc.</TITLE>
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Slope Map Query tool
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<div class=WordSection1>
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<p class=MsoNormal>The Slope Map query tool calculates the slope value in a specified area. The area is defined by a drawn line or polygon, or by a selection of points, lines or polygons.</p>
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<p>
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The output of the analysis is a point feature layer that graphically represents the slope values at different points in the specified area. Each point in the feature layer is color-coded according to the steepness of the elevation model:</P>
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<p class=MsoNormal>
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<li>Sky blue = Slope value is lower than 6 degrees</li>
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<li>Blue = Slope value is between 6 - 17 degrees</li>
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<li>Green = Slope value is between 17 - 31 degrees</li>
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<li>Yellow = Slope value is between 31 - 38 degrees</li>
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<li>Orange = Slope value is between 38 - 45 degrees</li>
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<li>Red = Slope value is greater than 45 degrees</li>
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</p>
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<p class=ProcedureHeader style='margin-left:0in;text-indent:0in'><span dir=LTR></span>To
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use the Slope Map Query tool:</p>
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<p class=ListFirstLevel>1.<span style='font:7.0pt "Times New Roman"'>
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</span><span dir=LTR></span>Select one of the <b>Create as</b> options:</p>
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background:white;padding:1.45pt 5.75pt 4.3pt 5.75pt'>
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<p class=MsoNormal style='margin-left:.25in;text-indent:-.25in'>Layer (Entire)</p>
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<td width=420 valign=top style='width:314.95pt;border:solid #4BACC6 1.0pt;
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border-left:none;background:white;padding:1.45pt 5.75pt 4.3pt 5.75pt'>
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<p>Create a
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feature layer under the application's AppData.</p>
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border-top:none;background:#D2EAF1;padding:1.45pt 5.75pt 4.3pt 5.75pt'>
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<p class=MsoNormal style='margin-left:.25in;text-indent:-.25in'>Layer
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(Streaming)</p>
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<td width=420 valign=top style='width:314.95pt;border-top:none;border-left:
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none;border-bottom:solid #4BACC6 1.0pt;border-right:solid #4BACC6 1.0pt;
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background:#D2EAF1;padding:1.45pt 5.75pt 4.3pt 5.75pt'>
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<p class=MsoNormal style='margin-left:.25in;text-indent:-.25in'>Create a
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streaming feature layer under the application's AppData.</p>
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<p class=MsoNormal> </p>
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<p class=ListFirstLevel>2.<span style='font:7.0pt "Times New Roman"'>
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</span><span dir=LTR></span>Enter the following parameters:</p>
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style='width:401.0pt;margin-left:.35in;border-collapse:collapse;border:none'>
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<tr>
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<td width=115 valign=top style='width:86.05pt;border:solid #4BACC6 1.0pt;
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border-top:none;background:#D2EAF1;padding:1.45pt 5.75pt 4.3pt 5.75pt'>
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<p class=MsoNormal style='margin-left:.25in;text-indent:-.25in'>Spacing</p>
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none;border-bottom:solid #4BACC6 1.0pt;border-right:solid #4BACC6 1.0pt;
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background:#D2EAF1;padding:1.45pt 5.75pt 4.3pt 5.75pt'>
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<p class=MsoNormal >Determines the horizontal and vertical spacing (in meters) between query points in the area for which the slope is being calculated.</p>
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<p class=ListFirstLevel>3.<span style='font:7.0pt "Times New Roman"'>
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</span><span dir=LTR></span> Select one of the following methods of designating the area for which the slope query should be calculated:
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</p>
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<ul>
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<li><b>Follow Line</b> - Query points are created along the drawn line.
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</li>
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<li><b>Fill Area</b> - Query points are created inside the drawn polygon.
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</li>
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<li><b>Selected Group</b> - Query points are created at all points, along all lines, or inside all polygons, in the selected group. Select the required group from the Project Tree, and then click <b>Selected Group</b>.
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</li>
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<li><b>From Clipboard</b> - Query points are created for all clipboard objects. Copy the required objects to the clipboard, and click <b>From Clipboard</b>.
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</li>
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</ul>
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