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Technical Guide
Introduction
Motivation behind the guide
Structure of the guide
Guide outputs
Acknowledgments
1
Open source software and data
1.1
What is open?
1.2
QGIS
1.3
QuickMapServices (QMS)
1.4
RStudio
1.5
Open Street Map (OSM)
1.6
Global Solar Atlas
2
Mapping electricity consumption
2.1
Adding table data to QGIS
2.2
Adding vector layers to QGIS
2.3
Joining vector layers and table data
2.4
Consumption visualizations
3
Solar radiation and renewable electricity calculation
3.1
Adding raster layers to QGIS
3.2
Extracting raster values to vector layers
3.3
QGIS Field calculator
3.3.1
Building rooftop area
3.3.2
Usable solar radiation
3.3.3
Renewable electricity production
4
Renewable electricity estimation for the whole city
4.1
What is sampling and spatial sampling?
4.2
Spatial random sampling with RStudio and QGIS
4.2.1
Digitizing a sample with QMS
4.2.2
Including the density factor
4.3
Spatial stratified sampling with RStudio and QGIS
4.3.1
Proportional allocation
4.3.2
Land use change raster
4.4
Comparison
5
Outputs
6
References
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Technical Guide for Estimating Rooftop Solar Potential in a City
4.3
Spatial stratified sampling with RStudio and QGIS
4.3.1
Proportional allocation
4.3.2
Land use change raster