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During the initial testing phase of our developed Web application, there arose a need for Web server bench marking. Since the performance results of the system to be deployed kept on fluctuating while loading / publish the concerned data, this also followed when there was an increase in number of user accessing the system. Explaining the...
1 year 3 months ago
Posted by kcube
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We had planned to map the Agricultural areas of Gujarat and the major problem faced by us was to find the images of particular Season and Year. Gujarat State (Area - 196,024 km²) is covered by 17 Landsat Scenes. Without the basic knowledge of image availability for particular season it was very hard to make a decision. Therefore we were in need to...
1 year 4 months ago
Posted by kcube
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While introducing PostGIS the most important hurdle is to grasp the fact that there are no files to handle. Losing that control scares users. So in this blog about PostGIS, we will talk about how to perform basic file related tasks in a database. We will focus on the following : 1. Copy data layers 2. Rename data layers 3. Delete data layers...
2 years 1 month ago
Posted by kcube
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Digitizing features is one of the most basic tasks in GIS. In most instances, vector features are captured from a base data which can be a geo-referenced map or a satellite imagery. When data capture/digitization is done in a production mode, many open source tools lag behind the proprietary offerings. We have documented our process using...
3 years 1 month ago
Posted by kcube
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Most of the shapefiles which are created contains a specific coordinate reference system which may be rectangular,geographic or projected coordinate system.The main reason to reproject any GIS data is to be able to overlay multiple datasets. Most GIS softwares now allow “On-the-fly” reprojection in the background which enables datasets from...
3 years 2 months ago
Posted by kcube
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Weather information is relevant in many application areas. There are many sources of weather data starting with the daily news. In this article, we describe a process to get global weather data in a GIS format which can be integrated with other data-sets. We have used this data in modeling crop yields.
3 years 3 months ago
Posted by kcube
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The shape files that are commonly available are usually in latitude and longitude, which is not an ideal system to derive area from. This requires re-projection of that file into a different system which makes it easier to compute area of a desired feature from a map or a satellite image.
3 years 3 months ago
Posted by kcube
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Quantum GIS is one of the powerful open source GIS software. As part of kCube’s Open intiative we will be doing a series of screencast on various Open Source GIS Software’s.The following screencast gives an overview about the Quantum GIS Graphical User interface and its various features available. Watch the screencast and share us your comments.
3 years 3 months ago
Posted by kcube
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PostGIS is a spatial database. Most GIS users are comfortable with their desktop software. In the proprietary world, very few people have access to a spatial DB due to its cost implications. Hence, they formulate their solutions based on the desktop based tools available to them. Some of the analysts use scripting to alleviate their repetitive...
3 years 3 months ago
Posted by kcube
0 Comments
Meteorological conditions of any location at a given time are a function of many variables such as atmospheric temperature, relative humidity, pressure and mainly the wind parameter. This wind parameter and its pattern determine most of the significant weather phenomena that occur around the world everyday from small wind gusts to the setting of...
3 years 3 months ago
Posted by kcube
0 Comments

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