Specific Vector and Gridded Data Products

Find data file names for a region; read VMAP0, GSHHG, and AVHRR data

Find data file names required to cover a geographic region and read data files in certain formats. Find file names for DTED, GLOBE, GTOPO30, and USGS DEM data. Read AVHRR, VMAP0, and GSHHG data.

Functions

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dtedsDTED file names for latitude-longitude quadrangle
globedemsGLOBE data file names for latitude-longitude quadrangle
gtopo30sGTOPO30 data file names for latitude-longitude quadrangle
usgsdemsUSGS 1-degree (3-arc-sec) DEM file names for latitude-longitude quadrangle
demdatauiUI for selecting digital elevation data

AVHRR

avhrrlambertRead AVHRR data product stored in eqaazim projection
avhrrgoodeRead AVHRR data product stored in Goode Projection

VMAP0

vmap0dataRead selected data from Vector Map Level 0
vmap0readRead Vector Map Level 0 file
vmap0rheadRead Vector Map Level 0 file headers
vmap0uiUI for selecting data from Vector Map Level 0

GSHHG

gshhsRead Global Self-Consistent Hierarchical High-Resolution Geography

Topics

Sources of Terrain Data

United States mapping agencies provide terrain elevation data in the form of data grids. Some data files are published at multiple resolutions.

Featured Examples

Converting Coastline Data (GSHHG) to Shapefile Format

Converting Coastline Data (GSHHG) to Shapefile Format

Extract coastline data from the GSHHG data set, extract levels as polygons for map display, and save the results to a shapefile.

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