Category Archives: GIS

ISODISTANCE and ISOCHRONE Map API – Find Realistic travel Distance

If we want to find out nearby hotels, coffee shop etc on google maps we can find it easily by just right clicking on the selected location and go for search nearby option. The map will show all the nearby…
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FLIGHT ROUTES NETWORK ANALYSIS

Flight Routes Network Analysis. When we think of Network analysis in GIS we think of roads, rivers, water lines etc. In GIS two types of network are modeled. i.e: 1.) Transportation Network for example road networks and 2.) Utility Network for example gas pipeline…
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Merge two or more polygons, points or polyline of Shapefile

Merge two or more polygons, points or polyline of Shapefile in QGIS. Do you want to merge features of to combine them into one feature and to maintain its database dbf values along with it. QGIS – Quantum Geographic information system…
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Top 10 Map Direction API – Routing Libraries – Navigation free or paid

Routing and displaying direction on Map along with showing the instruction for navigation, physical distance, traffic etc is one of the important part of GIS (Geographical Information System), when working on Travel or tourism or logistic projects. Are you Looking…
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Download Free Shapefile Maps – Country Boundary Polygon, Rail-Road, Water polyline etc

Download Free Shapefile Maps – Shapefile is one of the most common and extensively use vector file format of GIS (Geographical Information System), developed by ESRI as an open Specification, which consist of collection of files viz .shp, .shx and .dbf…
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Image Classification in QGIS – Supervised and Unsupervised classification

Image Classification in QGIS: Image classification is one of the most important tasks in image processing and analysis. It is used to analyze land use and land cover classes. With the help of remote sensing we get satellite images such as…
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Georeference a map with the help of another georeferenced map

Here we will see how to georeference a map with the help of another georeferenced map in QGIS (Quantum GIS). Georeference is a process to associate geographic location coordinates to any kind of physical object which is physically present over a…
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