AY1516 T2 Team HealthTics Analysis

OVERVIEW

ABOUT US

PROJECT PROGRESS

PROJECT MANAGEMENT

DOCUMENTATION

MIDTERM PROGRESS

FINAL PROGRESS

PROJECT UPDATE

REVIEW OF SIMILAR WORK

In the article “A Web-based browsing and spatial analysis system for regional natural resource analysis and mapping”, the authors have discussed that traditional GIS techniques and tools are lack of efficiency and easy to use delivery mechanism. For example, installation or hosting of GIS application and knowledge about geographic and GIS are required. Due to these constraints, many professionals outside GIS community have difficulties in applying GIS techniques in their practical uses. As such, more flexible and feasible web-based GIS applications are introduced.

The authors also explained about the earlier versions of server-centric web GIS applications which resulted in overloading the server. Because of performance issues as well as more flexible and advanced programming languages, client-side web GIS are now widely used by professionals in many fields. The flexible programming languages help create a customised environment for the end users so that knowledge about GIS techniques is no longer required in practical applications.

Moreover, the article gave an example of load-balanced web GIS application, WebSAS. WebSAS follows 3-tier architecture: client, application server and database. The architecture spreads out the work load in each tier and the database system provides image files so that the end user do not need understanding about geographic elements.

The key factors of web-based GIS application are efficiency and ease of use. Developers need to focus on load balancing for efficient data retrieval/access, apply proper GIS techniques, and understand end-user’s requirement from the application.

DATA FLOW

NOTE: Highlight the analytical problems we are facing and how we overcome with the data flow that we revised.

CHANGES IN USER INTERFACE

NOTE: Highlight the different changes in the user interface to cater to the analytical needs of the client

DATA SOURCE

NOTE: Highlight how is it being used by the client in the application

METHODOLOGY AND TECHNOLOGY

NOTE: make sure to describe how these technologies will be used in the application. Highlight the analytical problems we are facing and how we overcome with the methodology and technology.

• GDAL
• OGR2OGR
• TURF.JS
• PAPAPARSE

SYSTEM ARCHITECTURE

Based on our research, efficiency of web GIS application largely depends on load balancing framework. To reduce overburdening the server and cost of investment in infrastructure for large servers, our group decides to use client centric web GIS with 2 tiers: Client and Application.

REFERENCES

StraitsTimes. (2014, May 7). One-quarter of workers report high stress levels. Retrieved from www.straitstimes.com/singapore/health/one-quarter-of-workers-report-high-stress-levels

OneMap. (n.d.). OneMap. Retrieved from http://onemap.sg

Singapore Land Authority. (2015, October 29). About OneMap. Retrieved from http://www.sla.gov.sg/e-Services/OneMap.aspx#.VpJjzcZ97IU

EnterpriseOne. (n.d.). BizMap. Retrieved from http://apps.enterpriseone.gov.sg/Bizmap/BizmapEnterpriseone.aspx

Nature Society of Singapore. (n.d.). Bird Watching Locations. Retrieved from http://www.nss.org.sg/wildbirdsingapore/Default.aspx

Public Utilities Board of Singapore. (n.d.). Managing Flash Floods. Retrieved from http://www.pub.gov.sg/managingflashfloods/WLS/Pages/WaterLevelSensors.aspx

Vatsavai, R. R., Burk, T. E., Wilson, B. T., & Shekhar, S. (2000). A Web-based browsing and spatial analysis system for regional natural resource analysis and mapping. Proceedings of the Eighth ACM International Symposium on Advances in Geographic Information Systems - GIS '00.