GIS integration
STAC Collections and Search: Dataset Scope Before Scene Selection
A STAC Collection describes a dataset’s extent and shared metadata, while search returns matching Items through a supported interface.
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THE ITSENSING JOURNAL
A clearer view of a changing planet.
Practical satellite reviews, remote sensing methods and GIS workflows. Explore the science, understand the limits, and take your next project into iT Sensing.
341articles4topics
Satellite reviews
Landsat 1 Review: Measurements, Products and Practical GIS Use
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GIS integration
WMS for Satellite Maps: A Rendered Image Is a Specific Service
A Web Map Service returns rendered map images for requested layers and geographic extents.
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GIS integration
WCS for Quantitative Raster Access: Subsets, Units and Grid Semantics
A Web Coverage Service provides coverage data and supported subsets rather than only a rendered map.
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GIS integration
WMTS and Raster Tiles: Fast Display with Defined Resolution Levels
A tiled map service supplies prearranged image tiles on a defined matrix set.
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GIS integration
GeoPackage for Satellite-Derived GIS Layers: Portable Context and Identifiers
GeoPackage stores supported geospatial content in a SQLite container under a defined standard.
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GIS integration
GeoJSON for Remote Sensing Results: Geometry and Coordinate Conventions
GeoJSON represents geographic features using a JSON structure with defined coordinate conventions.
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GIS integration
PostGIS for Satellite-Derived Features: Queries Need Spatial Semantics
PostGIS extends PostgreSQL with spatial types and functions.
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GIS integration
ST_Transform Versus Assigning an SRID: Coordinates Must Actually Change
Assigning an SRID labels coordinates with a reference system; transforming computes coordinates in another system.
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GIS integration
Choosing a CRS for Area and Distance in Satellite Analysis
Coordinate systems support different geometric properties.
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GIS integration
Raster Zonal Statistics: Valid Area and Boundary Support
Zonal statistics summarize raster values within polygons or other units.
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GIS integration
Raster Polygonization: Turning Classes into Honest GIS Features
Polygonization converts connected raster classes into vector geometry.
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GIS integration
Vector-Raster Alignment: Grid Origins and Boundary Decisions
A vector boundary and a raster grid represent space differently.
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