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snippet: Ridges protected by the Mountain and Hillside Development Ordinance
summary: Ridges protected by the Mountain and Hillside Development Ordinance
accessInformation: Jackson County GIS Department
thumbnail:
maxScale: 5000
typeKeywords: []
description: <DIV STYLE="text-align:Left;"><DIV><DIV><OL STYLE="margin:0 0 0 0;padding:0 0 0 0;"><LI><P><SPAN><SPAN>Converted filled DEM (for the whole county) to an ASCII file</SPAN></SPAN></P></LI><LI><P><SPAN><SPAN>Imported the DEM ASCII file into SAGA</SPAN></SPAN></P></LI><LI><P><SPAN><SPAN>Executed Topographic Position Index (TPI) tool on this DEM (tool found in the Terrain Analysis &gt; Morphometry toolset)</SPAN></SPAN></P></LI><LI><P><SPAN><SPAN>Saved the Output file in SAGA to an SDAT file</SPAN></SPAN></P></LI><LI><P><SPAN><SPAN>Used the Raster to Other Format tool in ArcMap to convert the SDAT file to a TIFF</SPAN></SPAN></P></LI><LI><P><SPAN><SPAN>Played with different classification schemes in ArcMap to figure out how to best delineate the ridges; settled on 2 classes: -176.2945251 – 3 and 3 – 196.7315979. The second class represented the ridge tops fairly well. </SPAN></SPAN></P></LI><LI><P><SPAN><SPAN>Used the Reclassify tool to create a new raster layer with only this second class (the first was changed to NoData) </SPAN></SPAN></P></LI><LI><P><SPAN><SPAN>The Extract by Mask tool was used to clip this raster layer to the Protected Ridge Areas vector layer</SPAN></SPAN></P></LI><LI><P><SPAN>The Raster to Polygon tool was used to convert this raster layer into a polygon layer. The “Simplify Polygons” box was left unchecked </SPAN></P></LI></OL></DIV></DIV></DIV>
licenseInfo:
catalogPath:
title: MHD_ProtectedRidges
type:
url:
tags: ["Mountains","ridges"]
culture: en-US
name:
guid:
minScale: 150000000
spatialReference: