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Practical GIS.
Learn the basics of Geographic Information Systems by solving real-world problems with powerful open source toolsAbout This Book* This easy-to-follow guide allows you to manage and analyze geographic data with ease using open source tools* Publish your geographical data online* Learn the basics of g...
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Birmingham :
Packt Publishing,
2017.
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Cover ; Copyright ; Credits; About the Author; About the Reviewer; www.PacktPub.com; Customer Feedback; Table of Contents; Preface; Chapter 1: Setting Up Your Environment ; Understanding GIS; Setting up the tools; Installing on Linux; Installing on Windows; Installing on macOS; Getting familiar with the software; About the software licenses; Collecting some data; Getting basic data; Licenses; Accessing satellite data; Active remote sensing; Passive remote sensing; Licenses; Using OpenStreetMap; OpenStreetMap license; Summary; Chapter 2: Accessing GIS Data With QGIS ; Accessing raster data.
- Raster data modelRasters are boring; Accessing vector data; Vector data model; Vector topology
- the right way; Opening tabular layers; Understanding map scales; Summary; Chapter 3: Using Vector Data Effectively ; Using the attribute table; SQL in GIS; Selecting features in QGIS; Preparing our data; Writing basic queries; Filtering layers; Spatial querying; Writing advanced queries; Modifying the attribute table; Removing columns; Joining tables; Spatial joins; Adding attribute data; Understanding data providers; Summary; Chapter 4: Creating Digital Maps ; Styling our data.
- Styling raster dataStyling vector data; Mapping with categories; Graduated mapping; Understanding projections; Plate Carrée
- a simple example; Going local with NAD83 / Conus Albers; Choosing the right projection; Preparing a map; Rule-based styling; Adding labels; Creating additional thematics; Creating a map; Adding cartographic elements; Summary; Chapter 5: Exporting Your Data ; Creating a printable map; Clipping features; Creating a background; Removing dangling segments; Exporting the map; A good way for post-processing
- SVG; Sharing raw data; Vector data exchange formats; Shapefile.
- WKT and WKBMarkup languages; GeoJSON; Raster data exchange formats; GeoTIFF; Clipping rasters; Other raster formats; Summary; Chapter 6: Feeding a PostGIS Database ; A brief overview of databases; Relational databases; NoSQL databases; Spatial databases; Importing layers into PostGIS; Importing vector data; Spatial indexing; Importing raster data; Visualizing PostGIS layers in QGIS; Basic PostGIS queries; Summary; Chapter 7: A PostGIS Overview ; Customizing the database; Securing our database; Constraining tables; Saving queries; Optimizing queries; Backing up our data.
- Creating static backupsContinuous archiving; Summary; Chapter 8: Spatial Analysis in QGIS ; Preparing the workspace; Laying down the rules; Vector analysis; Proximity analysis; Understanding the overlay tools; Towards some neighborhood analysis; Building your models; Using digital elevation models; Filtering based on aspect; Calculating walking times; Summary; Chapter 9: Spatial Analysis on Steroids
- Using PostGIS ; Delimiting quiet houses; Proximity analysis in PostGIS; Precision problems of buffering; Querying distances effectively; Saving the results; Matching the rest of the criteria.