TAMU ESSM 351 - Lab02--Instructions GIS (20 pages)

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Lab02--Instructions GIS



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Lab02--Instructions GIS

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Pages:
20
School:
Texas A&M University
Course:
Essm 351 - Geog Info Sys Res Mgmt
Geog Info Sys Res Mgmt Documents

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NOTE Always save your work in an appropriate local drive where you have write access to i e where you can save edit and access the file when needed and keep saving all your course files there If you are working on your computer it is best to save files to your computer hard drive If it is not your computer e g in a computer lab please save all files in an external flash drive See Lab00b document on Downloading Data and Working with Zip Files Make note of the directory location of the file so that you do not lose track of it The instructions will refer to the drive as local drive DO NOT let the program save your work to a default geodatabase folder ending with gdb unless the instructions ask you to do so LAB 2 Map Projections This assignment is to be completed individually Learning Objectives Metadata Metadata and projection in ArcCatalog Set Workspace Environment Projection tools using ArcToolbox Prepare print and save map Learning Materials Relevant topic materials are available on eCampus under this week s link Make note of answers to any questions raised in this lab instructions It is also recommended that you read Lab Questions 2 assignment to learn about the lab questions before beginning the lab That way you can concurrently answer the questions or make a note of potential answers as you move forward with the lab You will need to use ArcGIS to answer certain lab questions Lab 2 Map Projections Metadata Data management is one of the best practices in working with GIS Before you begin working with any GIS data it is crucial that you check for the spatial reference coordinate system and datum of the data in order to ensure that data can show up properly and or be able to line up with other data Since data can come from many different sources the spatial reference used if any even when the data represent the same entity or geographical location can differ Failure to attend to the data s projection can result in mismatching of the data and further cause more



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