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Raster Data Sources on the Web

Raster Data Sources on the Web. RASTER A data structure for maps based on grid cells. Quadrilateral Data Structure. Geodetic latitude and longitude on GRS80/WGS 84 ellipsoid(NAD 83). Grid cell resolution constant N-S but progressively finer E-W resolution from equator to pole.

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Raster Data Sources on the Web

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  1. Raster Data Sources on the Web

  2. RASTER A data structure for maps based on grid cells.

  3. Quadrilateral Data Structure Geodetic latitude and longitude on GRS80/WGS 84 ellipsoid(NAD 83) Grid cell resolution constant N-S but progressively finer E-W resolution from equator to pole

  4. ETOPO5 Global Digital Elevation Model

  5. ETOPO5 Digital Elevation Model (DEM) Row Major Order

  6. World Map (left) made from ETOPO5 DEM

  7. ETOPO2 Global DEM from National Geophysical Data Center

  8. Piece of a World Map made from ETOPO2 DEM

  9. Technical Specifications (0,0) Row Major Order (10799,0) Worldwide Land And Sea Elevation Data In Meters (3.7x3.7km cells at equator) (0,5399) (10799,5399)

  10. Technical Specifications (0,0) Row Major Order (10799,0) 2-byte signed integer data 5400 rows by 10800 columns 116,640,000 byte dataset ) (0,5399) (10799,5399)

  11. ETOPO1 Global DEM from National Geophysical Data Center

  12. Technical Specifications (0,0) Row Major Order (21599,0) Worldwide Land And Sea Elevation Data In Meters (1.85x1.85km cells at equator) (0,10799) (21599,10799)

  13. Technical Specifications (0,0) Row Major Order (21599,0) 2-byte signed integer data 10800 rows by 21600 columns 466,560,000 byte dataset (0,10799) (21599,10799)

  14. Map made from ETOPO1 data

  15. GLOBE 30” x 30” Global Land DEM

  16. Globe 30” x 30” grid cell data structure and tiling, format, and dataset size

  17. Alaska Map Made From Globe Data

  18. STRM30 Plus

  19. NGDC 3 Arc-Second Coastal Relief Model

  20. Map made From Coastal Relief Model

  21. National Elevation Dataset (NED) One-second Grid For All U.S. States except…

  22. Two-second Grid For Alaska

  23. National Elevation Dataset (NED) Data Format and Tiling Scheme

  24. Web Mapping Using NED 1” x 1” Data

  25. National Elevation Dataset (NED) 1/3rd and 1/9th second Grids For Certain Areas

  26. 1/3rd Second Maps for Monterey

  27. 1/3rd Second Maps for Monterey

  28. Shuttle Radar Topography Mission (SRTM) Data Products Ordering SRTM Data

  29. SRTM Data Completeness Problems

  30. Map Projection-based Raster Data

  31. USGS 7.5’x7.5’ 10m DEMs for Oregon

  32. USGS 7.5’x7.5’ 10m DEMs for Oregon Available only in SDTS Format

  33. USGS 1:24000-scale Digital Raster Graphics (DRG) scanned topographic maps of U.S. states and territories Scanned at 250 dpi

  34. USGS 1 km Global Land Cover Characteristics database (GLCC) Gridded on Interrupted Goode Homolosine and Lambert Equal Area  Map Projection Surfaces Now in 30 arc second Quadrilateral Form Several Land Cover Classification Systems Used Classified 1km x 1 km AVHRR satellite data

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