Geospatial Data

Introduction

Chapter Table Of Contents

3.1 Geospatial Data Basics

3.2 Geospatial Data Formats

3.2.1. Raster Data

3.2.2. Vector Data

3.2.3. Attribute Data

3.3. Geospatial Data Collection

3.3.1. Aerial Photography and Remote Sensing

3.3.1.1. Instruments

3.3.1.2. Photogrammetry Basics

3.3.1.3. Remote Sensing Basics

3.3.2. GPS

3.3.2.1. How the GPS System Works

3.3.2.2. GPS Receiver Types

3.3.2.2.1. Recreational

3.3.2.2.2. GIS

3.3.2.2.3. Survey

3.3.3. Traditional Surveying

3.3.3.1. Surveying Basics

3.3.3.2. Surveying Instruments and Equipment

3.3.3.2.1. Surveying Instruments

3.3.3.2.1.1. Total Stations

3.3.3.2.1.2. Levels

3.3.3.2.1.3. GPS Receivers

3.3.3.2.1.4. Laser Scanners

3.3.3.2.1.5. Hydrographic Surveying Instruments

3.3.3.2.1.6: Other Surveying Equipment

3. Types of Surveys

1. Control Surveys

2. Topographic Surveys

3. Hydrographic Surveys

4. Construction Surveys

4.Processing Survey Data

4. Utilizing Existing Data

1. Using Existing Hardcopy Data

1. Scanning

2. Vectorization

2. Using Digital Data

5. A System Geospatial Data Collection

1. Planning

2. Record Keeping During Data Collection

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