Geospatial Technology

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• LANDSAT: Satellite Sensor – Geospatial Technology

  LANDSAT: Satellite Sensor A color infrared composite (bands 432) of a Landsat 7 ETM+ acquisition on Nov. 13, 2002. This subset, from path 27 row 39, is centered on downtown Austin, Texas, and shown at...

• Topography and Understanding Topographic Maps – Geospatial Technology

    Among the many mapping tools available, the most commonly used is the topographic map. Topography is defined as the relief (relative elevations) of a surface and the relative relations between its n...

• GPS Applications in Crop Production – Geospatial Technology

  Equipment Guidance Systems Lightbar-guided and automated steering systems help maintain precise swath-to-swath widths. Guidance systems identify an imaginary A-B starting line, curve or circle for pa...

• Remote Sensing Resampling Methods – Geospatial Technology

    Bilinear Interpolation: This resampling method assigns the average digital number (DN) of the four pixels closest to the input pixel (in a 2×2 window) to the corresponding output pixel. The mathemat...

• Sharing GIS Data: Using an ESRI Layer Package (.lpk) – Geospatial Technology

  Sharing GIS Data: Using an ESRI Layer Package (.lpk) You can use layer packages to share an individual dataset and its respective properties or individual datasets and their respective properties from...

• Calculating Your Map Accuracy Using US National Map Accuracy Standards – Geospatial Technology

  Calculating Your Map Accuracy Using US National Map Accuracy Standards Many people would like to assess the accuracy standards for mapping products. In the United States, standards for accuracy assess...