Settlement Accessibility A Case Study In The South-East Part of Chiangmai City - Thailand

A settlement accessibility survey, based quality of an aerial photographs as main data sources and using a scoring model, has been applied in Chiangmai city. Panchromatic aerial photographs scale 1:10,000 made in 1987 were used to carry out the survey. Two different types of data are derived from photo interpretation: settlement with an uniform pattern and density as mapping unit in graphic data, and parameters of settlement accessibility as attribute data. Seven parameters are used in the survey width of major street, major street, width of minor/ local street, quality of local street, distance to public transport line, distance to railway station, and distance For analysis, settlement data about accessibility from photo interpretation and field survey are normalized with value, the value ranging from 1 to 3. To reflect the relative importance of the parameters are used weighting factors. Data processing and analysis were carried out with the help of a Geographic Information the survey System (ILWIS software package). The result of attribute data bases in to main are road. graphic and combination of table and map form.