Geocomputation
| Date | Title | Subtitle |
|---|---|---|
| Apr 14, 2025 | Geocomputation for race elevation profiles: Mapping the UTMB Ultramarathon | This analysis leverages spatial packages like sf, terra, and tidyterra for data manipulation, while ggplot2 and ggblend enhance visualization. Techniques include raster blending, hillshade creation with whitebox, and custom theming for a detailed, informative map of the UTMB ultramarathon route. |
| Apr 10, 2025 | Using {mapview} to make interactive maps in R | Combining {mapview} with {osmdata} and {osmextract} along with geocomputation with {sf} and {terra} |
| Mar 10, 2025 | Cropping {ggmap} rasters with {terra} to make beautiful maps | Combining the feautres of {ggmap}, {osmdata}, {terra} and {tidyterra} |
| Feb 14, 2025 | Population Density Rasters (globally) over time | Exploring the various datasets available by GlobPOP project (1990-2022) |
| Feb 11, 2025 | Different Packages to access Open Street Maps in R | Exploring {osmdata}, {osmextract}, {osmapiR} |
| Feb 10, 2025 | Exploring the package {rnaturalearth} in R | Various types of maps and geographic data available with {rnaturalearth} |
| Feb 3, 2025 | Showing elevation in Maps (2) : {whitebox} & {terra} | Exploring {whitebox} & {terra} for shaded relief maps with {ggplot2} and {tidyterra} |
| Feb 2, 2025 | Showing elevation in Maps (1) : {hillshader} | Exploring {hillshader} for shaded relief maps with {ggplot2}, {terra} and {tidyterra} |
| Jan 30, 2025 | Exploring the package {climateR} | Exploring the various datasets available publicly and freely to use and analyze with R, {terra} and {sf} with the {climateR} package |
| Jan 27, 2025 | Exploring the package {geodata} | Exploring the various datasets available publicly and freely to use and analyze with R, {terra} and {sf} with the {geodata} package |
| Jan 26, 2025 | Mapping India’s Cuisines with R: {sf}, {ggpattern}, {magick} and more | Diverse culinary heritage of India with a vibrant map created in R, blending spatial data from {sf}, creative patterns from {ggpattern}, and precise labeling from {ggrepel}. Images of iconic state cuisines were curated using {httr} and {magick}, seamlessly integrated into the visual using the power of {ggplot2}. |
| Jan 18, 2025 | Customizing {geofacet} for plotting geographically faceted graphs | Exploring how faceted plots cn be re-arragned to roughly follow the geographical location of sub-units. |
| Jan 7, 2025 | Combining {ggmaps}, {terra} and {tidyterra} to produce raster maps. | Using {tidyverse} methods on images from Stadia Maps and Stamen Maps using {ggmap} by functions from {terra} and {tidyterra} |
| Dec 29, 2024 | Cropping and Masking rasters with vectors using {sf} and {terra} | Showing maps of various boroughs of London using rasters from open source Stadia Maps, and london boroughs from {spData}. |
| Dec 14, 2024 | Various CRS projections for use with {sf} plots in {ggplot2} | A ready reckoner for different projections that we can plot the World, Continents and Countries with using {ggplot2} in R. |
| Dec 10, 2024 | Using {geodata} to get elevation raster maps | Exploring Global and Country-Specific Elevation Maps with {geodata}: high-resolution raster elevation data using functions like elevation_30s() and elevation_global(). Simplify geospatial analysis and visualization. |
| Nov 20, 2024 | Using the power of {sf} to plot stores / outlets along a calculated route using sf::st_is_within_distance() | Harnessing the power of {osmr} for route directions, store locations from www.alltheplaces.xyz, and raster base maps from {ggmaps} |
| Oct 26, 2024 | Driving Directions using Open Street Maps Routing Service | Using {tidygeocoder}, {osrm}, {sf}, {tidyverse} and {ggmap} along with Open Source Techniques to plot driving directions along various cities in Europe in the norther-Mediterranean region |
| Oct 25, 2024 | 3 types of Cartograms in R with {sf} and {cartogram} | Creating Cartograms – contiguous, non-contiguous and packed-circles – in R with {cartogram}, and making non-overlapping text annotations in maps, and custom callouts in Quarto. |
| Oct 20, 2024 | Computing shortest routes in the sea that avoid land | Using data from Killer Whales encounters in Salish Sea to plot routes of their recorded encounters, and showing those routes that dont intersect land - i.e., removing erroneous data. |
| Oct 16, 2024 | Creating Maps in R with ggplot2 having background Raster Images using ggmap | Learning how to create maps in R using the {ggmap} package, integrating custom raster base maps with {ggplot2} for geospatial data visualization. This page covers the setup, API authentication, and plotting functions to map data effectively. |
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