Conduct a Line-of Sight, Viewshed Analysis - IT Assignment Help

Assignment Task

Objectives

In this assignment, you will be doing the following:

1. Conduct a line-of sight, viewshed analysis

2. Perform a least cost path analysis and interpret the results

3. Modify a Python script

4. Analysis Python scripts

5. Create a Python Script Tool for ArcMap

The data used in this lab assignment can be accessed through Quercus course page.

Background:

You are working for the local tourism bureau to plan a new sightseeing location on top of a local mountain and identify the optimal path for a hiking trail that connects the urban area to that sightseeing location. As you create the path to town you must consider slope and land cover. This type of analysis is known as least cost path analysis.

Part I: Viewshed Analysis

The local tourism bureau is planning on a new sightseeing location on top of a local mountain and connected that location to the urban area with a hiking trail. The urban area (developed area) should be visible when a hiker is at the new sightseeing location (peak of the mountain). There are several candidate spots for this new sightseeing location at the peak of the mountain. To identify the best sightseeing location from these candidate spots, you need to conduct a viewshed analysis for each of these candidate spots and compare the coverage of the visible area.

Details on viewshed tool: https://pro.arcgis.com/en/pro-app/tool-reference/3danalyst/viewshed.htm

You will need to use the following data in the File Geodatabase at “Data\Part1N2\Data.gdb”:

• CandidateSpot_A

• CandidateSpot_B

• CandidateSpot_C

• Landcover

o Land cover including urban land cover (i.e. high intensity development, medium intensity development, low intensity development) and other land use types.

• DEM

o Digital elevation model of the region.

ArcMap Tools that may be helpful:

• Viewshed

• Con

• Times

• Reclassify

• Raster to

Note: The Viewshed analysis output raster can only be saved in a File Geodatabase. Therefore, put all output rasters into the File Geodatabase at “Data\Part1N2\Outputs.gdb”

Question:

Produce THREE viewshed maps (one for each candidate spot) with all the necessary map elements that includes the elevation as the background, the candidate spot, all area viewable from the candidate spot, the urban region (developed area) viewable from the candidate spot, and proper map title and legend. Please include the maps in both the PDF file and the ZIP file submission.
Compare the these viewshed maps and identify one candidate spot as the best sightseeing location where visitors could overlook the largest area of the urban region (developed area). Please also justify your choice with calculation and explanation.

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