PRIMEWIN: Processing of Images on Windows

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## Regional Remote Sensing Centre-Central, NAGPUR

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# TOPOINDEX: (for Indian Region)

Module accepts latitude and longitude extents (for Indian region) in degree-decimal format and displays the states, 1:250,000 and 1:50,000 sheets pertaining to the input extents. Lattitude and longitude extents are accepted only in degree-decimal format. Degree-minute-second to degree-decimal converter is also provided. For invoking topo index utility go to UTILITIES - > TOPOINDEX. See the following figure for help:

§ Enter Four coordinates in Degree Decimal Format.

§ Press Get Info.

States, 1:250,000 & 1:50,000 sheets pertaining to the extents will be displayed.

Note:

§ Del or Backspace key will not work. Double click on the entered value in the input text box for correction / reentry.

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§ Error message “Latitude and Longitude extents are not available in the database” will be flashed. If -

§ Even if one sheet falls in the given extents, which is not available in the database. Other sheets will be displayed.

§ Latitude and Longitude extents are beyond the extents stored in the database.

Note:

§ This module required DAO components. If these are not preinstalled in the system, Error message may popup.

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§ Install relevant components from the self-executable installer “RegisterDAO” available in the installation CD.