The standard GIS tools will be procured through the PHARE system. The following rough specification highlights the main features of the anticipated system:
· Easy and user friendly access
· Fast and reliable linking with existing HCSO's IT system
· Quick presentation of map and supply of data and background information to the user
· Conversion of feature themes (point, line, or polygon) to grid themes.
· Creation of raster buffers based on distance or proximity from feature or grid themes.
· Creation of density maps from themes containing point features.
· Creation of continuous surfaces from scattered point features.
· Creation of contour, slope, and aspect maps and hill shades of these surfaces.
· Cell-based map analysis.
· Performance of Boolean queries and algebraic calculations on multiple grid themes simultaneously.
· Performance of neighbourhood and zone analysis.
· Carry out classification and display
· Enables users to create, analyse, and display surface data.
· Include support of three dimensional vector geometry and interactive perspective viewing.
· Interpolate surface z values.
· Generate contours.
· Calculate slope, aspect, surface area, and surface length.
· Generate Thiessen proximal polygons.
· Extract important surface features.
· Perform visibility analyses.
· Perform analytical hill shading.
· Provision of enhanced geographic imaging tools to the desktop
· Quickly display and manipulate image data
· Automatically map feature boundaries
· Perform change detection for continuous and thematic imagery
· Perform multispectral categorisations for land cover mapping and data extraction
· Perform vegetation greenness mapping
· Solution for network analysis problems
· Definition of service areas or sales territories around a facility based on travel time or distance
· Publishing of GIS data via intranet, extranet or Internet
· Support of very large number of online users (min. 200)
· Strong security (resources, data)
· Support of simultaneous connections to multiple geographic files and multiple
· RDBMSs
· Raster/vector based
· Thematic mapping
· Multiple object selection by list, radius, polygon, buffer, and intersection
· Visibility and labelling by scale
