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MAP DESIGN: A development of background map visualisation in Digpro dpPower application
KTH, School of Architecture and the Built Environment (ABE), Urban Planning and Environment, Geodesy and Satellite Positioning.
2017 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesisAlternative title
KARTDESIGN : En utveckling av visualiseringen av bakgrundskartor i Digpros dpPower-applikation (Swedish)
Abstract [en]

What is good map design and how should information best be visualised for a human reader? This is a general question relevant for all types of design and especially for digital maps and various Geographic Information Systems (GIS), due to the rapid development of our digital world. This general question is answered in this thesis by presenting a number of principles and tips for design of maps and specifically interactive digital visualisation systems, such as a GIS.

Furthermore, this knowledge is applied to the application dpPower, by Digpro, which present the tools to help customers manage, visualise, design and perform calculations on their electrical networks. The visualisation and design of the network was analysed together with the usage of two common background maps, GSD-Fastighetskartan by Lantmäteriet and Primärkartan by the municipalities, whose default appearances are defined by Digpro. The aim was to answer whether there is a more suitable design of the background maps and network to better complement the usage of dpPower and if so, what is the better design?

When designing interactive systems that will later have various end-users, a user-centred design is important. Therefore, the initial step was to collect user inputs and feedback on the current design via customer interviews. This gave a set of user criteria for good map design of dpPower specifically.

A study of existing relevant literature and previous work was also performed where several general key principles for good design could be identified.

Finally, a comparison between the dpPower design and other existing map products, such as e.g. Google Maps and Eniro, was made where key similarities and dissimilarities were identified and discussed.

These user criteria and design principles could be combined, both to present an answer to the general question “What is good design?” and to present a suggestion of new map appearance in dpPower. Key considerations in the new design suggestions were e.g. to have a toned down background map with all features in the same hue family. However, for GSD-Fastighetskartan the important convention of land classes, blue = water, green = vegetation \& yellow = open land, should be kept. Colour combinations and contrast is the most important design element and since a design cannot be optimally adapted for all types of colour vision deficiencies, the suggestion is to separate the designs to specifically target user groups of different colour vision abilities. Important map information such as e.g. detailed road data should be kept while unnecessary features such as contour lines and polygon borderlines should be hidden. Text positions should also be considered.

The results were evaluated both via a survey, distributed to users of dpPower, GIT-students and users with no previous experience of GIT or dpPower, and a seminar with employees at Digpro.

The conclusions drawn from the evaluation was that the presented design suggestions and principles are good, but adjustments should be made. E.g. a use of yellow for low voltage cables, as suggested for Red-Green impaired, is perhaps not the best solution. The results present a good foundation for design of dpPower but more adjustments should be made based on the evaluation and then another evaluation can be performed. It would give an even better result.

Place, publisher, year, edition, pages
2017. , 69 p.
Series
SoM EX KAND, 2017-21
Keyword [en]
GIS, GIT, Map design, Visualisation, Visualization
National Category
Other Civil Engineering
Identifiers
URN: urn:nbn:se:kth:diva-208907OAI: oai:DiVA.org:kth-208907DiVA: diva2:1108730
External cooperation
Digpro AB
Subject / course
Geoinformatics
Educational program
Master of Science in Engineering - Urban Management
Supervisors
Examiners
Available from: 2017-06-13 Created: 2017-06-12 Last updated: 2017-06-13Bibliographically approved

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fulltext(13716 kB)24 downloads
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