MAPOLOGY : GIS,Remote Sensing and Image Processing Tutorials

     Readers of Mapology Blog can now participate in Mocktest on GIS and win rewards. The first Mock Test was launched today(7th July 2022). The mock test has twenty multiple-choice questions having two answers; one among them will be the correct answer. If any participants can score more than 90% then he/she can receive 5 job vacancies in which he/she can apply. Anybody scoring less than 90% but more than 40% can also win awards but as discounts on our self-spaced certificate course on GIS, Remote Sensing, and Image Processing . The time of the test is 15min. GIS Tutorial can be found at  https://map-ology.blogspot.com/p/geographic-information-system.html 

Attribute Table Pre-requisites Attribute Table is a table where georeferenced data is stored for retrieval through geo-database. The data stored in the attribute table is used for the preparation of maps or geodatabases. When a shapefile is created a table can be connected to this file where relevant and related data of that feature can be stored. This data can be later used as a geodatabase or to create choropleth maps or any other related geospatial documents. To create an attribute table at-first shapefile needed to be created. There are three types of shapefiles: Point, Polyline, and Polygon shapefiles. Pont is created to digitize the location of a city, building, tourist spot, etc. Polyline shapefile is used to digitize rivers, canals, roads, rail lines, etc. Polygon is used to represent lakes, water bodies, watersheds, etc. Under each shapefiles, there can be many shape attributes. Normally for same kind of geographical features single shapefile is created. For river bodies in a ...

Any paper maps can be converted into the digitized data-driven interactive geospatial application by following the five steps as given below : 1) Scan the map into TIF 2) Import into DIVA-GIS 3) Create shapefiles for Placemarks, Pipelines or Roads or River and Some Area like Ponds, lakes, stadiums, etc. 4) Create Attribute Tables linked to the shapefiles 5) Export the tables and the shapefiles into an AppConverter to produce interactive Geospatial Application The entire procedure or the steps of digitization of maps by DIVA-GIS is explained in the presentation that can be accessed by clicking in the link . or view the video about the same presentation. If any terms like shapefile or attribute table are not clear or known to you then see this presentation . Founding and Honorary Editor Innovative for Sustainability http://www.baipatra.ws The Water, Energy and Informatics Group

Application of GIS and Geo-database : Remote monitoring of Groundwater in India. See the link below : https://www.linkedin.com/posts/sankalp-lahari-21284b46_monitoring-groundwater-rainwaterharvesting-activity-6584867529653616640-6Kuo