Posts

Five GIS Objectives That Can be Achieved Through the Attribute Table

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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 ...

How to create attribute table in open source GIS software ?

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Map Window 5 is an open-source GIS software that has the capability to digitize maps, create a geodatabase, convert raster to vector, interactive maps, georeferencing of images, etc. The current tutorial demo the way you can create an attribute table with the help of MapWindow 5. The above three images depict the procedure to create an attribute table to store data into shapefiles which can be used for the creation of interactive or informative maps. The pdf version can be downloaded from here . Or Watch the YouTube Video here . This is an excerpt from the tutorial on GIS and Remote sensing available for Rs.70 at Instamojo . Click this link to subscribe .

What is Global Positioning System ??

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Globa Global  Positioning System: An introduction.

Introduction to Coordinate System

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Introduction to Coordinate System

Five steps to convert paper maps to digitized data driven interactive spatial application

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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

Terminology and Basic Questions About GIS : One of my very old post in Slideshare

Terminology and Basic Questions About GIS from Mrinmoy Majumder This PPT is from one of my old slideshare post which has been downloaded more than 15000 times.You may download this to brush up your knowledge about GIS. For more such links visit http://www.baipatra.ws  Signing off, Founding and Honorary Editor Innovate for Sustainability

How to select a "photo editing software" ?

Photo editing software is a tool to edit your photos. Often it is required to either resize or transform the image format or convert the same into different colour of the image.Many people use such software to enhance their photos for better presentability. Some use it for fun and some other will use it to send specific message. Nowadays such software are also used for different image processing related research works also. As usual there are many alternatives and it is often a difficult task to select the best out of them. Following points can help you in this regard: 1.    Look for the following features : a.     Image Capturing                                           i.    Rectangular Area                                          ii...