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This layer was generated to show County-wide relief representation, expressed as 'percent slope' and aggregated in four classifications, based on their percentages and their increase in slope severity. Agregation into the classifications was performed to assist in increased readability and simplification of map symbolization tasks. The dataset is at a 10ft resolution. |
| summary:
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This layer was generated to show County-wide relief representation, expressed as 'percent slope' and aggregated in four classifications, based on their percentages and their increase in slope severity. Agregation into the classifications was performed to assist in increased readability and simplification of map symbolization tasks. The dataset is at a 10ft resolution. |
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SanGIS, County of San Diego LUEG GIS |
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5000 |
| typeKeywords:
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[] |
| description:
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Aggregated slopes for San Diego County. This dataset is derived from a 2 ft DEM from 2014-2016 LiDAR acquisition.</SPAN></P><P><SPAN>The slope tool was run on the DEM using PERCENT_RISE as the output measurement (where Percentage Slope = [Degrees] x 100). The resulting raster was then reclassified into 4 classes as follows using Reclass by Table:</SPAN></P><UL STYLE="margin:0 0 0 0;padding:0 0 0 0;"><LI><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>Class 1: <=15% Slope (<8.53 degrees)</SPAN></SPAN></P></LI><LI><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>Class 2 >15% to <= 25% Slope (8.53 – 14.035 degrees)</SPAN></SPAN></P></LI><LI><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>Class 3 >25 % to <50% Slope (14.035 – 26.565 degrees)</SPAN></SPAN></P></LI><LI><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>Class 4 >=50% Slope (26.565 – 88.3 degrees)</SPAN></SPAN></P></LI></UL><P><SPAN>The Int tool was used to convert the reclassified raster into integer format and the Resample tool (using Bilinear Interpolation) was used to clean up 'outliers' and simplify to a larger 10 ft cell size. </SPAN></P></DIV></DIV></DIV> |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>THIS MAP/DATA IS PROVIDED WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Note: This product may contain information from the SANDAG Regional Information System which cannot be reproduced without the written permission of SANDAG. This product may contain information reproduced with permission granted by Rand McNally & Company® to SanGIS. This map is copyrighted by Rand McNally & Company®. It is unlawful to copy or reproduce all or any part thereof, whether for personal use or resale, without the prior, written permission of Rand McNally & Company®. Copyright SanGIS 2011 - All Rights Reserved. Full text of this legal notice can be found at:http://www.sangis.org/Legal_Notice.htm</SPAN></P></DIV></DIV></DIV> |
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| title:
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Slope10ft_2014 |
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| tags:
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["slope","relief","percent slope","10ft cell size"] |
| culture:
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en-US |
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| minScale:
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150000000 |
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