The Trans Jogja Bus system is an essential urban transportation service in Yogyakarta and its surrounding areas. With numerous bus stops strategically located throughout the Yogyakarta Urban Area, it aims to provide convenient boarding and disembarkation points for passengers. To improve the commuting experience for passengers, it is crucial to ensure that the Trans Jogja shelters are easily accessible and equipped with a comprehensive range of amenities, covering all regions within the urban area. To evaluate the service level of Trans Jogja Bus stops, the service area from each bus stop is modeled as an interactive isochronous service area map. These maps depict the coverage area of each bus stop based on network analysis, considering travel time to the road network. Each bus stop is a single node with four distinct travel time values: 3, 6, 9, 12, and 15 minutes. By employing this interactive modeling approach, the service areas of Trans Jogja bus stops can be presented, along with other variables representing the population in and around these bus stops. The resulting interactive visualization of these isochrone maps showcases the spatial distribution of the bus stop locations and their respective service areas at each travel time interval. This web-based visualization represents the coverage provided by the Trans Jogja bus system across the Yogyakarta urban area. The service area modeling using isochronous service area maps a comprehensive overview of the services offered by Trans Jogja bus stops in Yogyakarta, giving a clear depiction of the accessible amenities around each bus stops. It supports efforts to optimize service accessibility and quality, ensuring a seamless and efficient transportation experience for passengers.
KEYWORDS: Visualization, Visual analytics, Java, Data processing, Analytical research, Information visualization, Testing and analysis, Zoom lenses, Network security, Data analysis
Train is one of mass transportation that contains spatial and attribute data. Based on one of the development services of the 2030 national railway, the innovation of Indonesian Ministry of Transportation is focused on the ease of uses, namely the public, academics, and policy-makers to access data and information through web-based maps (WebGIS). At present, railways data in Indonesia have been publicly accessible. But general visualization of railways data, which is clear and easily understood by the public have not available. Therefore, this research aims to visualize the results of railways data which interactively combining spatial data and attribute data. The data used for this research was obtained from the Indonesian Ministry of Transportation. Visualization of the data requires a search for patterns, relationships and trends. The data variables used in this research include railways status, station status, station class, station group, the distance between stations, as well as the location of stations and railway lines. The results of the data processing are maps presented in a dashboard map view with visual analytics features. The data are processed with QGIS then are visualized by Operations Dashboard for ArcGIS. Visual analytics method is used because the results can show the relationship between variables. It can be used as a reference for decision making to develop transportation infrastructure, especially of rail transportation. Maps and graphics are visually interactive so change one attribute can affect the other attribute display. The result of this research is named Peta Jalur Kereta Api Jawa.
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