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useR! 2024
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8 - 11 July, 2024
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Tuesday, July 9 • 14:30 - 14:50
Interfacing QGIS Spatial Processing Algorithms from R - Floris Vanderhaeghe, Research Institute for Nature and Forest (INBO) (Brussels, Belgium)

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R is a powerful language for processing, analyzing and visualizing spatial data, with packages such as sf, terra, and stars. However, dedicated geographic information system (GIS) software tools offer thousands of specific algorithms that are either not available in R, or may be faster than equivalent R functions. This presentation describes how it is now possible to combine the strengths of R and QGIS, the most popular open source GIS platform, through R packages that interface QGIS processing algorithms: qgisprocess and qgis. These packages allow users to create data processing pipelines that combine R and QGIS algorithms seamlessly. We discuss the current state of these R packages and demonstrate the usage of their most important functions by example. We show the usage of qgis_search_algorithms(), qgis_run_algorithm(), qgis_extract_output(), coercion methods and more. We highlight recent updates in QGIS that improve functionality in R. Finally, we seek feedback from the community and invite contributions.
Speakers
avatar for Floris

Floris

Dr. Floris Vanderhaeghe, open science methodologist at INBO, Research Institute for Nature and Forest (INBO) (Brussels, Belgium)
Floris Vanderhaeghe is a biologist specialized in scientific methodology, with a focus on spatial survey design. Together with his team mates, he promotes the implementation of open science practices at INBO. He has a special interest in geospatial computation in R and likes to collaborate... Read More →

Tuesday July 9, 2024 14:30 - 14:50 CEST
Salzburg I
  Spatial data and maps
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