1. Create A Shapefile From any type of image By Mrinmoy Majumder www.baipatra.ws

2. Requirement DIVA – GIS Image of which shape file is to be made Data Files Knowledge of shapefile.

3. Create Shapefile from an image : Step : 1 Install DIVA-GIS from http://www.diva-gis.orghttp://www.diva-gis.org Also download the DIVA – manual. PDF file to know about DIVA Extract and install DIVA into your computer Click Layer > Add Layer or click on the ‘+’ symbol in the toolbar Select the scanned image/satellite image and click Open. See Fig : 1 & Fig : 2Fig : 1 Fig : 2

4. Create Shapefile.. : Step : 1 Fig : 1 DIVA Screen Return

5. Create Shapefile.. : Step : 1 Fig : 2 Importing Image Return

6. Create Shapefile from an image : Step : 2 – Click on Data > Draw Shape – Draw polygons/lines/point, whatever may you wish – To represent an area select polygon (like planes etc.) – To represent a perimeter or line (like river, road etc.) select Line – To represent some place (like city, country etc.) select Point See Fig : 3Fig : 3

7. Create Shapefile.. : Step : 2 Fig : 3 ‘Draw Shape’ Screen Return

8. Create Shapefile.. : Step : 2 Fig : 4 Enter Data Return

9. Create Shapefile from an image : Step : 3 To draw points, just click on the places on the map To draw lines, single click to change direction, double click to end drawing To draw polygon,single click to create new vertices, double click to complete the polygon. See Fig : 4Fig : 4

10. Create Shapefile from an image : Step : 4 Each time a drawing is completed a table will pop up with three fields 1 st one will be auto-configured and named as ‘ID’ 2 nd one will be ‘Value’ and the 3 rd one, ‘Label’ Write the data either in Label or in Value It is better to write labels in ‘Label’ field and corresponding data in the ‘Value’ field See Fig : 5Fig : 5

11. Create Shapefile from an image : Step : 5 Click Save in the ‘Draw Shape’ to save the shape file. Fig : 5 3 fields