Broadening the GIS App Platform

Today, the GIS industry runs on a generic process-centered methodology and is finding wide application in diverse fields. The increasing availability of spatial data systems and rapid growth in GIS technology are being employed by the businesses as a unique route for optimizing operational efficiencies.

With far reaching geospatial applications in use, organizations worldwide are using this technology to transform manually generated maps and its descriptive information into digital databases which can be used in applications to manage utility distribution networks, track agricultural drought conditions, conduct census, create floodplain maps, monitor pollution,  plan alternative traffic patterns, redraw voter districts.

The growing demand for Geographic Information System (GIS) has widened its application to data conversion, application development, web application development, mobile applications, data mining and data migration. The GIS Application Development services serves various industries like Forestry, Electric and Gas, Retail, Mobile mapping, Mining, Pipeline, Agriculture, Defense, Hospitality and Tourism, Water Resource, Education, Emergency Disaster Management, Logistics, Insurance, Real estate, Public Safety, Telecommunication, Banking and Finance Services, etc. The technically skilled and experienced software developers create customized applications to meet the requirements of these diverse industries. They optimize multipurpose software procedure, including customized programming codes.

Custom GIS applications are developed based on specific needs and requirements of the clients, regardless of the type of intricacies involved. Based on the requirements and an outright analysis of the core problem, the software developers create solutions with the functionality specified. These solutions are based on commercial or open source programs. Most of the application developers function according to a work flow, which generally consists of eight main modules. They are:

  1. Business Modeling
  2. Specification and Requirements
  3. Analysis and Design
  4. Coding and Implementation
  5. Testing
  6. Deployment
  7. Project Management
  8. Configuration and Change Management

GIS Application Development services are deployed by users belonging to government agencies, research institutions, businesses, health institutions, land use planning organizations, and environmental study institutions. They create customized software applications to provide solutions on  information storage, remote sensing, spatial pattern identification, and visual presentation of spatial data. The data is made available to a large number of users, data collectors, specialists and community participants, via web interface.

GIS Applications are tailored to implement thematic information systems that collect, cite, visualize, exchange and propagate statistical report using survey and indicator data. Accurate visualization of data through tables, maps, raster images and graphs is provided.

Various state-of-the-art technologies have been identified, designed, and implemented for use in diverse GIS applications. The multiple tools utilized for the application development generally includes Arcserver, Geoserver, Mapserver, penLayers, GoogleMap API, Arc SDE, Arc Objects, Map Objects, Flex API, Mapfish, MapNik, Ka Map, MapWindow GIS with visual studio.net, Arc Object, Map Object in visual studio.net, C#.net,VB.net, etc.

In conclusion, GIS tools that were once affordable only to the largest organizations, have now become a cost-effective option for even the smallest organizations. Efforts are being made by the global GIS application developers to build newer and advanced applications that can bring major enhancements to existing application systems. Major developmental techniques are also being formulated to optimize the spatial data sharing framework and to make it more accessible to a wide range of users in the near future.

GIS Application Development

GIS Application Development

Today, GIS, which is generic in nature, is finding wide application in diverse fields. The increasing availability of spatial data systems and rapid growth in GIS technology are being employed by the businesses as a unique route for optimizing operational efficiencies. An extensive knowledge on the vendor technologies like Database Servers, Map Servers, Web servers, Terminal Servers, Desktop clients, Business specific application layers, and Third party applications, and the integration of each component of the system are required to address the data and its application layers. The entire system is formulated based on GIS analysis of many layers of geographic information.

The growing demand for Geographic Information System (GIS) has in turn widened its application to data conversion, application development, web application development, mobile applications, data mining and data migration. The GIS Application Development services are extended to various application sectors like Forestry, Electric and Gas, Retail, Mobile mapping, Mining, Pipeline, Agriculture, Defense, Hospitality and Tourism, Water Resource, Education, Emergency Disaster Management, Logistics, Insurance, Real estate, Public Safety, Telecommunication, Banking and Finance Services, etc. The technically skilled and experienced software developers create customized applications to meet the requirements of diverse community. They optimize multipurpose software procedure, including customized programming codes.

Custom applications are developed based on specific needs and requirements of the clients, regardless of the type of intricacies involved. Based on the requirements and an outright analysis of the core problem, the software developers develop solutions with the functionality specified. These solutions are based on commercial or open source programs. Most of the developers function according to a work flow, which generally consists of eight main modules. They are:

  1. Business Modeling
  2. Specification and Requirements
  3. Analysis and Design
  4. Coding and Implementation
  5. Testing
  6. Deployment
  7. Project Management
  8. Configuration and Change Management

GIS Application Development services are deployed by users belonging to diverse communities, government agencies, research institutions, businesses, health institutions, land use planning organizations, and environmental study institutions. They create customized software applications to provide solutions on information storage, remote sensing, spatial pattern identification, and visual presentation of spatial data. The data is made available to a large number of users, data collectors, specialists and community participants, via web interface.

GIS Applications are custom tailored to implement thematic information systems that collect, cite, visualize, exchange and propagate statistical report using survey and indicator data. Accurate visualization of data through tables, mapping, raster images and graphs is provided. Some GIS software are employed for geospatial data analysis and management, spatial modeling, image processing, graphics/maps production, visualization, etc.

Various state-of-the-art technologies like SWING, Socket, RMI, JDBC, Java Beans, Java Servlets, Map Objects 2.2, Map Objects LT, Arc Objects, OpenMapTM, MapXtreme 2008, etc. are employed to organize and integrate data geographically. Advanced tools like Microsoft Visual Studio 2008 Express Edition, Net Beans IDE 6.0.1, Eclipse, etc. are exploited to develop GIS software applications to various services like Geo-referencing, Geo-coding, Land use Mapping, Parcel Mapping, Utility mapping, Orthorectification, DEM/DTM generation, Digital Analysis of Aerial data, and more.

Efforts are made by the application developers to build newer advanced applications which can bring major enhancements to existing applications. Major enhancements are also done to optimize the spatial data sharing more accessible to a wide range of users in the coming years.

LiDAR Services-SlideShow

LiDAR (Light Detection And Ranging data) is one of the growing technology in the IT industry, which is finding its application in the fields of remote sensing, Geographical Information System (GIS), Archeology, Meteorology and Atmospheric Environment, 3D mapping, Imaging, Military and law enforcement, Physics and astronomy, Biology and conservation, Vehicles, etc.

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SBL Undertakes A Temporal Study On Wetlands

SBL Undertakes A Temporal Study On Wetlands

SBL has ventured into a new temporal study, this time, in the coastal region of Kerala. Satellite imageries are being analyzed over the last four decades to find the decadal variations in the land use of Kole lands of Malappuram and Trissur Districts in the state of Kerala, India.

The Kole lands of Kerala are one of the largest and highly productive wetlands and are also the most threatened one. The word “Kole” refers to a peculiar type of paddy cultivation carried out during December to May, every year, and the word in local language indicates ‘bumper yield’. These wetlands are low lying tracts situated at 0.5 to 1 m below the MSL and remain submerged for more than 6 months in a year. This Vembanad Kole wetland is a part of the Ramsar site, as declared in the year 2002.

Reclamation and changes in land use pattern are the most serious problems in the Kole lands. Nowadays, the Kole lands are being converted to coconut, areca nut, banana and other cash crop plantations at an alarming rate, thus forming a threat to a variety of migratory birds that use this unique ecosystem as their seasonal abode. Peculiar species of flora and fauna demarcate the importance of these wetlands.

Wetlands are ranked third among the most productive ecosystems and are valuable source sinks and transformers of a multitude of chemical, biological and genetic materials. These ecosystems are considered as the “Kidneys of the earth” for their natural cleaning mechanisms through biogeochemical cycles. In short, these ecosystems have been reported to prevent floods, trap sediments, sink nutrients, source water, recharge ground water, protect shoreline, abate pollution, regulate biogeochemical cycles, and enrich the biodiversity.

For this study, existing topomaps, cadastres and other administrative maps have been georeferenced and vectorised to supplement the imagery data. Land use classification has been carried out after extensive ground truth verification. Based on the change pattern, modeling will be carried out to predict the land use for ten years later.

LiDAR Data Processing

LiDAR (Light Detection And Ranging data) is one of the growing technology in the IT industry, which is finding its application in the fields of remote sensing, Geographical Information System (GIS), Archeology, Meteorology and Atmospheric Environment, 3D mapping, Imaging, Military and law enforcement, Physics and astronomy, Biology and conservation, Vehicles, etc.

LiDAR system works on the optical remote sensing technology to measure properties of scattered light in order to estimate the distance and/or other information of a distant object. LiDAR technology employs the laser pulses to track the distance to a target object or surface. The time lapse between transmission of the pulse waves and reflected signals are measured for this purpose.

LiDAR technology, which is an anthology of components like laser, scanner and optics, photo detector and receiver electronics, and position and navigation systems, can collect dense and accurate information from surfaces or terrains. The LiDAR Data Processing system is used to create exceptionally detailed terrain models like DEM ( Digital Elevation Model), TIN (Triangulated Inverse Network), DTM (Digital Terrain Model) and other surface models.

LiDAR services provided by some companies have a team of highly skilled technical staffs and 3D analysts who toil to produce high level of accuracy in modeling the earth’s surface. A vast amount of data-sets, knowledge, hardware and software is required to develop high resolution models.

LiDAR has given a new sophisticated dimension to the surveying and mapping sector. The LiDAR Mapping and surveying is used for forestry, flood risk mapping, oil & gas exploration surveys, power line transmission or pipeline corridor planning, construction surveys, real estate development, coastal zone mapping, wetlands and other restricted access areas, urban modeling, etc. The ALSM (Airborne Laser Swath Mapping), laser altimeter or LIDAR Contour Mapping are some of the major application areas of LiDAR. The airborne LiDAR sensors are used in remote sensing (e.g. forestry) to create point clouds of the earth ground for further processing.

LiDAR Data Processing is employed by GIS for data management, 2D & 3D viewing of topography and earth’s surface features, filters processing, process reporting and meta data creation. LiDAR services provided by some companies utilize LiDAR to model the earth’s surface in detail. LiDAR Data Processing is used for:

  • Automatic feature extraction and making Digital Terrain Models (DEMs)
  • Topographic mapping
  • Fly-through generation
  • Wireless communication design
  • Volumetric calculations
  • Modeling systems like oil and gas pipelines for maintenance and status evaluation
  • Forestry management & inventory of canopy attributes for evaluation of crown diameter, canopy closure, and forest biometrics
  • Cut and Fill calculations for engineering projects like dams, tunnels and roads

The GIS LiDAR data utilizes GIS tools like GRASS (Geographic Resources Analysis Support System) to process elevation point data and generate the surface models and contours. The LiDAR Data Processing is executed through two major steps – Data Pre Processing and Data Post Processing. The data is acquired by geo-referencing the aerial photography, satellite imagery, or existing maps. The data codes are written using C++, Visual Basic and ESRI map project tool.

The acquired data undergoes further processing for detailed analysis. After filtering the data of its noises, it is stored in the LiDAR file formats like ASCII format or LAS format. ASCII is mainly used in the GIS field. This format contains x, y and z values that give the longitude, latitude and elevation data. The data delivered should confer the accuracy standards like ASPRS Large Scale Mapping Standard and the National Spatial Data Accuracy Standard.

The improvised version of ASCII, the LAS (Log ASCII Standard) format, is still on the verge of real massive application in the GIS field. LAS format is a binary file which stores x, y and z values in the raw format or as header block, variable length records, and point data. Like Radar, LiDAR Data Processing is also making new developments to spread its application level to a wider spectrum.

GIS Mapping Services

The integration, storage, editing, analysis, sharing, and displaying of geographical information by merging cartography and database technology is known as GIS Mapping. In other words, GIS Mapping uses GIS application to develop cartography maps.

To know more about GIS Mapping services like utility mapping,parcel mapping etc check this article   GIS Mapping Services

Creating orthophotos-Slide Presentation