while geologists look through sandstone beds on a dried-up river to piece together what happened millions of years ago, volumes of data are generated. A new software may now help geologists with different kinds of data. It caters to special requirements of field-based studies with systematically loaded data on to a laptop generating thematic map of locations including directions, colours, shapes and sizes of stones.
Researchers from the geological studies unit of the Indian Statistical Institute, Kolkata, have developed the software, called the GeoReferenced Data Map (grdm). Traditionally, geologists recorded observations on paper and associated them with the location points marked on to base maps (aerial photographs and satellite imageries). Availability of portable computers changed that considerably.But tools such as geographic information system are expensive and cannot handle multiple values (more than one value of pebble size for example) during field studies. This led the Kolkata team to devise the software, which can manage multiple field values.
|The software generates thematic maps of locations including directions, colours, shapes and sizes|
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