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Cartographic visualization of density: exploring the opportunities and constraints of Heat Maps

Pokojski Wojciech, Panecki Tomasz, Słomska-Przech Katarzyna

Polish Cartographical Review

2021

Vol. 53. No. 1

21--36

The authors of the review aim to understand and assess cartographic Heat Maps’ (HM) designs, tools, and applications. The paper consists of two parts. First describes HM in the context of neocartography and map design by tackling such issues as definition, input data, methods of density determination and generalization, colour schemes, legend construction, and base maps. The second part assesses the range of 17 tools used for creating HM. Tools are divided into non-GIS tools (visualization tools and programming libraries) and GIS applications (desktop and webGIS). GIS desktop software has been selected due to its popularity and wide application. Paper presents an expert assessment of this software with the use of a research questionnaire. The analysis made it possible to develop a division of tools based on their embedding in computer programs and applications and taking into account the types of visualization. It also made it possible to indicate tools that can be used by both professional GIS users (e.g. analysts, cartographers) and the general public, including teachers using HM to visualize geo data for geography lessons. The limitation of the review was the analysis from the expert’s point of view. It would be desirable to include novices perspectives in future studies due to the wide demand for visualization.

Evaluation of time availability of the selected rescue service of a large city. A case study of Warsaw

Sitek Katarzyna, Pokojski Wojciech, Gołębiowska Izabela

Polish Cartographical Review

2020

Vol. 52, No. 4

176--186

This article presents the GIS analysis of time availability of the Voivodship Emergency Ambulance and Sanitary Transport Station operates an Independent Public Health Care Facility “Meditrans” in Warsaw. The research focuses on determining the level of service for residents in each district with the emergency service station. In addition, an attempt was made to improve accessibility on the example of three selected districts. The authors attempt to select methodology of planning the location of the emergency service station in order to optimize the level of service for residents.