Tools tagged with "Projections"

PROJ is a fundamental open-source library designed for performing cartographic projections and coordinate transformations. It provides essential functionalities for converting geospatial data between various coordinate reference systems, making it a critical component in many GIS and mapping applications. The library ensures accurate and reliable transformations for diverse geographical contexts.

This website offers a wide array of tutorials designed to help users effectively utilize QGIS, the free and open-source geographic information system. It covers fundamental GIS concepts, data manipulation, spatial analysis, and advanced mapping techniques. The resource is structured to guide users through various QGIS functionalities with clear, step-by-step instructions.

EarthEnv-DEM90 provides a nearly-global, void-free, 90m digital elevation model derived from fused ASTER and SRTM data. It offers continuous coverage for approximately 91% of the globe, supporting assessments of biodiversity, ecosystems, and climate.

PostGIS is a powerful open-source extension for the PostgreSQL relational database, enabling it to manage and analyze spatial and geographic objects. It provides support for various spatial data types, including points, lines, and polygons, in both 2D and 3D. Users can leverage spatial indexing for efficient data retrieval and a comprehensive suite of spatial functions for advanced analysis and manipulation.

OpenLayers is a powerful, open-source JavaScript library designed to embed dynamic maps into any web page. It supports displaying map tiles, vector data, and markers from various sources, making it versatile for diverse geographic information needs. Released under the 2-clause BSD License, it provides a free and flexible solution for web mapping development.

pyresample is an open-source Python library for geospatial image resampling. It offers efficient tools for reprojecting and interpolating satellite imagery and other gridded data between different geographical projections and resolutions. This library is crucial for processing remote sensing data, enabling users to prepare images for further analysis or or integration into GIS applications.

This platform offers access to statistically downscaled future climate projections, along with data related to bias correction, spatial downscaling, and weather station information. It serves as a resource for researchers and practitioners needing detailed climate data for various analyses and applications.

SpatialReference.org is an essential online resource providing detailed information and reference materials on spatial coordinate reference systems. It helps geospatial professionals, GIS developers, and cartographers search, access, and implement various spatial references. The site supports standardized formats like Well-Known Text (WKT) and PROJJSON, offering an extensive database of geographic, projected, and vertical systems.

EPSG.io provides a vast database of coordinate systems, including EPSG and ESRI codes, allowing users to search, view, and understand various projections. It facilitates coordinate transformations and offers previews of locations on a map. The platform supports common data formats like WKT, OGC GML, and Proj.4 definitions.

The Montana State Library's Geographic Information page serves as a central hub for geospatial data and resources related to the state. It offers access to various government publications, research materials, and supports the Montana Geospatial Information Advisory Council.

This page offers general vector datasets for Romania, including administrative boundaries, state frontiers, and localities. Data is frequently updated and accessible in multiple formats like Shapefile, TopoJSON, FlatGeobuf, CSV, and KML. Users can also access the data via WMS/WFS web services or visualize it online through an Open Layers application.

This open-source project provides ready-to-use basemaps for mapping historical data on global or continental scales. The datasets consist of georeferenced boundaries of past political entities, primarily for academic and research applications. Users are encouraged to verify the data against other sources due to its work-in-progress nature.

This open-source book serves as a comprehensive guide to spatial data management using PostgreSQL and PostGIS. It covers essential topics from installation and SQL basics to advanced spatial relationships and data projection. The resource aims to equip users with the knowledge to effectively work with geospatial data within a robust database environment.

This guide provides access to geospatial data, GIS resources, and printed maps available through the University of Alberta Library. It specifically highlights free geospatial data for the province of Alberta, including provincial and NGO sources. The guide also covers broader topics like international and Canadian data, restricted spatial data, databases, and software.

This platform offers a comprehensive collection of core data sets related to Natural Disaster Hotspots – A Global Risk Analysis. These data sets are freely available for download and include information on hazard frequency, distribution, mortality risks, and economic loss deciles for various natural disasters. The data is provided in common GIS-compatible formats to facilitate research and analysis.

BD TOPO® provides a detailed 3D vector description of France's territory and infrastructure with metric precision, suitable for scales from 1:2,000 to 1:50,000. It covers all national geographic and administrative entities, supporting visualization, positioning, and simulation for territorial analysis and operational management.

This dataset provides wildfire projections for California and its surrounding areas, developed to support California's Fifth Climate Assessment. It integrates historical weather observations and renewable energy capacity profiles, aiding in climate resilience and grid operations planning. The data is managed by Cal-Adapt: Analytics Engine.

swisstopo is the national mapping agency of Switzerland, offering a wide array of geospatial data products and services. These include various digital maps, aerial and satellite imagery, landscape and height models, and specialized geological and aeronautical maps. The organization also develops and maintains geodetic software to support surveying and mapping needs.

EOxCloudless provides high-resolution, cloud-free satellite imagery derived from the ESA Copernicus Sentinel-2 mission. These elaborately post-processed images are optimized for various applications, including web maps and desktop GIS tools. The service offers both prerendered map caches and source mosaics for diverse user needs.