نتایج جستجو برای: road map

تعداد نتایج: 261637  

Forest road construction is the most costly operation in forestry. Road designing and construction in unsuitable areas may increase construction and maintenance costs and also cause many environmental impacts. Therefore, it is required to pay more attention to forest road design. In this research, we tried to introduce an appropriate method for locating forest roads using GIS and AHP simultaneo...

Journal: :caspian journal of environmental sciences 2010
a. najafi k. mohammadi samani

forest road construction is the most costly operation in forestry. road designing and construction in unsuitable areas may increase construction and maintenance costs and also cause many environmental impacts. therefore, it is required to pay more attention to forest road design. in this research, we tried to introduce an appropriate method for locating forest roads using gis and ahp simultaneo...

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The aim of this research was to generate a landslide hazard zoning map by using the multivariate linear regression method in the Kohsar Watershed, Northwest of Tehran. Initially, we used field surveys, local interview and review of studies outside and inside of Iran. Eleven effective factors were recognized on landslide. These factors included: slope degree, slope aspect, elevation, lithology, ...

2011
J. Sandeep P. Tirumala Rao T. Durga Prasad K. V. Satya Kumar

The uses of road map in daily activities are numerous but it is a hassle to construct and update a road map whenever there are changes. research on Automatic Road Extraction (ARE) was explored to solve the difficulties in updating road map. The research started with using Satellite Image (SI), or in short, the ARESI project. A Hybrid Simple Colour Space Segmentation and Edge Detection (Hybrid S...

2011
James Biagioni Jakob Eriksson

1 Due to the availability of GPS sensors in a variety of everyday devices, GPS trace-data is becoming 2 increasingly abundant. One potential use of this wealth of data is to infer, and update, the geometry 3 and connectivity of road maps, using what are known as “map generation” or “map inference” 4 algorithms. These algorithms offer a tremendous advantage when no existing road map data is 5 pr...

2011
James Biagioni Jakob Eriksson

1 Due to the availability of GPS sensors in a variety of everyday devices, GPS trace-data is becoming 2 increasingly abundant. One potential use of this wealth of data is to infer, and update, the geometry 3 and connectivity of road maps, using what are known as “map generation” or “map inference” 4 algorithms. These algorithms offer a tremendous advantage when no existing road map data is 5 pr...

2005
Q. Zhang

Automatic road map updating has been one of the difficult and important research topics in the community of geomatics. An operational road map updating system should include three key components: the generation of a new version of roads, the automatic road change detection/updating and the spatio-temporal modelling of road data. Special considerations have to be given to the spatio-temporal mod...

1998
Hiroshi Honda Kazunori Yamamori Kenji Kajita Jun-ichi Hasegawa

This paper presents a prototype system for automated generation of deformed maps, based on a psychological model in the field of cognitive map. The system consists of two parts; map deformation and map database management. The map deformation part has two functions; road deformation and landmark relocation. In the road deformation process, each road segment is transformed in parallel and iterat...

Modeling a road accident hazard zoning map to identify high-risk areas is a very effective step to reduce the resulting casualties. Due to the dynamic nature of many of the factors affecting the identification of these areas, traditional zoning mapping does not seem to be effective. In the field of ubiquitous modeling in the framework of the GIS, it is possible to produce a separate map at any ...

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