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greenSD - Access and Analyze Global GreenSpace Spatial Data

Access and analyze multi-band greenspace seasonality data cubes (available for 1,028 major global cities), global Normalized Difference Vegetation Index / land cover data from the European Space Agency WorldCover 10m Dataset, and Sentinel-2-l2a images. Users can download data using bounding boxes, city names, and filter by year or seasonal time window. The package also supports calculating human exposure to greenspace using a population-weighted greenspace exposure model introduced by Chen et al. (2022) <doi:10.1038/s41467-022-32258-4> based on Global Human Settlement Layer population data, and calculating a set of greenspace morphology metrics at patch and landscape levels.

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geospatialgreenspaceurban-analyticsurban-data-science

4.85 score 1 scripts 132 downloads

gloBFPr - Access Global Building Height Datasets

Provides tools to access, search, and download global 3D building footprint datasets (3D-GloBFP) generated by Che et al. (2024) <doi:10.5194/essd-16-5357-2024>. The package includes functions to retrieve metadata, filter by bounding box, and download building height tiles.

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building-footprint-databuilding-heighturban-analytics

5.02 score 7 stars 2 scripts 128 downloads

viewscape - Viewscape Analysis

A collection of functions to make R a more effective viewscape analysis tool for calculating viewscape metrics based on computing the viewable area for given a point/multiple viewpoints and a digital elevation model.The method of calculating viewscape metrics implemented in this package are based on the work of Tabrizian et al. (2020) <doi:10.1016/j.landurbplan.2019.103704>. The algorithm of computing viewshed is based on the work of Franklin & Ray. (1994) <https://citeseerx.ist.psu.edu/document?repid=rep1&type=pdf&doi=555780f6f5d7e537eb1edb28862c86d1519af2be>.

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cpp

4.35 score 3 stars 15 scripts 155 downloads

quickPWCR - Quickly construct and rate large binary pairwised comparisons

A collection of functions for constructing large pairwised comparisons and rating them using Elo rating system with supporting parallel processing. The method of random sample pairs is based on Reservoir Sampling proposed by JVitter (1985) <doi:10.1145/3147.3165>.

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cpp

4.18 score 1 dependents 1 scripts 172 downloads

streetscape - Collect And Investigate Street Views For Urban Science

A collection of functions to search and download street view imagery ('Mapilary' <https://www.mapillary.com/developer/api-documentation>) and to extract, quantify, and visualize visual features. Moreover, there are functions provided to generate Qualtrics survey in TXT format using the collection of street views for various research purposes.

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geospatialstreetviewurban-analyticsurban-data-science

3.70 score 1 stars 3 scripts 171 downloads