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Optimizing the Layout of Proportional Symbol Maps [chapter]

Guilherme Kunigami, Pedro J. de Rezende, Cid C. de Souza, Tallys Yunes
2011 Lecture Notes in Computer Science  
As the name suggests, symbol sizes are proportional to the magnitude of the physical quantities that they represent.  ...  Proportional symbol maps are a cartographic tool to assist in the visualization and analysis of quantitative data associated with specific locations (e.g. earthquake magnitudes, oil well production, temperature  ...  Conclusion We propose a novel ILP formulation to optimize stacking drawings of proportional symbol maps (PSM's) with the objective of maximizing the total visible border of its symbols (opaque disks in  ... 
doi:10.1007/978-3-642-21931-3_1 fatcat:uczfueocbzcg7f32pxcxyrtq5m

Optimizing the Layout of Proportional Symbol Maps: Polyhedra and Computation

Guilherme Kunigami, Pedro J. de Rezende, Cid C. de Souza, Tallys Yunes
2014 INFORMS journal on computing  
To the best of our knowledge, we are the first to use ILP to tackle this problem, and the first to provide provably optimal symbol maps for those data sets.  ...  As the name suggests, symbol sizes are proportional to the magnitude of the physical quantities that they represent.  ...  Acknowledgments The authors thank Marc van Kreveld for providing us with the data files used in Cabello et al. (2006 Cabello et al. ( , 2010 , and the referees for their helpful comments.  ... 
doi:10.1287/ijoc.2013.0557 fatcat:lzjniqjuejhe7jqupjmm34zkyu

Spatial Visualisation [chapter]

Jiří Pánek
2019 Spationomy  
This subchapter is focused on step-by-step procedure on how to create a thematic map, which are the basic cartographic elements and how to select the optimal visualisation method.  ...  According to the International Cartographic Association (ICA), Cartography is the discipline dealing with the art, science and technology of making and using maps; while a map is a symbolised representation  ...  Like the Proportional Symbol map, the Pie Chart map plots a single symbol usually at the centroid of each geometry.  ... 
doi:10.1007/978-3-030-26626-4_9 fatcat:nmqiigkkozbslf7qyf7t5v2igq

Hexagonal hierarchical cartogram: Towards a thematic map of Brazil

Moises Colares Barreto, Doris Kosminsky, Claudio Esperança
2018 InfoDesign: Brazilian Journal of Information Design  
thematic maps, cartograms, hexagonal hierarchical cartogram, Brazil The popularity and availability of digital tools has boosted the use of thematic maps in infographics and data visualizations.  ...  Unlike general purpose maps, thematic maps are aimed at communicating the spatial distribution of a particular topic or theme, such as population density, voter preference or income.  ...  The proportional symbol maps, also known as graduated symbol maps, use symbols of different sizes to represent data ( Figure 2 ). The size of the symbol reflect its magnitude.  ... 
doi:10.51358/id.v15i1.563 fatcat:24awit4eivhqvm4s3uaveh3yra

CodeSurveyor: Mapping large-scale software to aid in code comprehension

Nathan Hawes, Stuart Marshall, Craig Anslow
2015 2015 IEEE 3rd Working Conference on Software Visualization (VISSOFT)  
The layout of the produced code map incorporates system dependency data and sizes regions according to a userconfigurable metric (line count by default), to create distinctive shapes and positions that  ...  We detail the CodeSurveyor algorithm, show it generates code maps of the Linux kernel (1.4 MLOC) in 1.5 minutes, and evaluate the intuitiveness of the metaphor to software developers and its utility in  ...  ACKNOWLEDGMENT We would like to acknowledge Curt Elsbernd for facilitating the navigation evaluation of Section VI, Matthew Johnson for his assistance in gathering performance data for Section V, and the  ... 
doi:10.1109/vissoft.2015.7332419 dblp:conf/vissoft/HawesMA15 fatcat:7ziwclmc3nc4do5xutrmsng3gy

"Quick Method" of Map Limit Exact Position Determination by Vertical Planning of Areas

Stepanov, R.R., Sekisov A.N.
2019 Helix  
During the design of earthwork complexes, they are usually divided into work fronts, which allows to plan them by flow method [1]: into sections (parts) and maps within a plan; into tiers and layers by  ...  The improvement of process efficiency, the reduction of labor and machine time cost can be conditioned by the accuracy of soil development and dumping, the calculations with the increased accuracy of earthwork  ...  The proportion of soil volume of soil in homogeneous prism part ΔB -The proportion of the prism section width (area), from the face with the greater sum of working marks Symbols -line designation with  ... 
doi:10.29042/2019-4744-4752 fatcat:jmpm5jqnbfgcfnu6maxmbf7l2u

Layout aware design of mesh based NoC architectures

Krishnan Srinivasan, Karam S. Chatha
2006 Proceedings of the 4th international conference on Hardware/software codesign and system synthesis - CODES+ISSS '06  
Our technique invokes an existing floorplanner to generate an initial layout of the cores.  ...  Design of System-on-Chip (SoC) with regular mesh based Network-on-Chip (NoC) consists of mapping processing cores to routers, and routing of the traffic traces on the topology such that power consumption  ...  We then invoke a novel algorithm that generates the symbolic mesh from the given layout.  ... 
doi:10.1145/1176254.1176288 dblp:conf/codes/SrinivasanC06 fatcat:q2hliu3gubb57an42vjzxgf6xq

Managing Inspections and Representing Safety at Industrial Parks

Paolo Bragatto, Maria Bogliolo, Paolo Pittiglio
2010 Journal of KONBiN  
A software prototype has been developed in order to demonstrate the feasibility of a system for the presentation of safety activities within an industrial park.  ...  Managing Inspections and Representing Safety at Industrial Parks At industrial sites, there are often problems of misperceptions of the risks by the local community and it is essential to make visible  ...  Acknowledgements The research was carried out in the framework of the project "Valutazione dello stato dell'ambiente dell'area denominata Conca Ternana" funded by the Italian Ministry for Health (Call  ... 
doi:10.2478/v10040-008-0139-y fatcat:b6kfio4r7nbjtczo67gsqntfha

Research on the Optimization of Logistics System in an Automobile Assembly Workshop

Li-jun LIU
2017 DEStech Transactions on Computer Science and Engineering  
In this paper, the SLP method is used to improve the assembly shop layout of automobile manufacturing enterprises.  ...  By adjusting the position relationship among each operating unit, the enterprise logistics system is optimized, the material handling route is smooth, the logistics cost is reduced, and the enterprise  ...  Acknowledgement This research was financially supported by the Natural fund of Shandong Province (No. ZR2014GL007).  ... 
doi:10.12783/dtcse/itme2017/7992 fatcat:fa7kiwgi25gfxawqh237ynv4wq

A coil layout of wireless power transfer systems based on multicoil arrangement for underwater vehicles

Naoki Sato, Hiroyasu Kifune, Shohei Komeda
2019 Electrical engineering in Japan (Print)  
This paper proposes an optimal coil layout of wireless power transfer (WPT) systems for underwater vehicles (UVs).  ...  This paper experimentally discusses an optimal coil layout based on measurement results of a coupling coefficient.  ...  A coupling coefficient map can be evaluated by an index showing the proportion of the map with coupling coefficient of .3 or higher. = 30 × 100 [%] . (5) Here is the number of data entries k max (x,y)  ... 
doi:10.1002/eej.23205 fatcat:wyxuwohlbjbr5nea62eq56lqmm

Page 4508 of Mathematical Reviews Vol. , Issue 97G [page]

1997 Mathematical Reviews  
When the channel consists of top-to-bottom nets only, the layout is optimal with respect to the area. In case there are one-sided nets, the algorithm introduces at most one additional column.  ...  On the other hand, our al- gorithms have worst-case complexity proportional to the volume of the Minkowski sum.  ... 

Method and apparatus for automatic text input insertion in digital devices with a restricted number of keys [article]

Nikolaos Tselios, Manolis Maragoudakis
2017 arXiv   pre-print
the symbols which are mapped onto those keys, according to a disambiguation method based on the previously entered symbols.  ...  A device which contains number of symbol input keys, where the number of available keys is less than the number of symbols of an alphabet of any given language, screen, and dynamic reordering table of  ...  Signals from this key pad are transferred to a symbol layout selector that provides the layout of the symbols that are to be mapped in the key that was pressed.  ... 
arXiv:1707.09487v1 fatcat:3uxztgn3a5bpbf6xh3673ab37m

Specifications of Cartographic Symbols for Indonesian Tactile Map

Noorhadi Rahardjo, Ika Noor Muslihah M, Candra Sari Djati Kartika
2019 Indonesian Journal of Geography  
Creating an informative tactile maps need a specific design of symbol, ancillary information, and map reproduction that meets the need and the capacity of its users.  ...  The resultant symbol designs from the modification were applied to develop the tactile maps of Yogyakarta City on swell paper.  ...  Acknowledgement We would like to give our gratitude to WCRU (World Class Research University) Team for helping us in the making of the standard specification for symbolization of national tactile map.  ... 
doi:10.22146/ijg.41960 fatcat:sjntj7jgdnf7jd2prhjbvrjjla

Review of Principles of Map Design

Dan Cole
2011 Cartographic Perspectives  
Nonetheless, Tyner provides excellent reasoning throughout the rest of this chapter on proportional versus range-graded point symbols, including design considerations in maps (placement, filling and overlapping  ...  Chapter 2 is titled "Planning and Composition," and covers the planning and layout of map design.  ...  Overall, in spite of the quibbles noted, I believe that she has successfully written a map design text to be used widely by students and professionals alike. Notes 1. Robinson, Arthur. 1967 .  ... 
doi:10.14714/cp70.55 fatcat:ck4um3nn4vcuff3z6q55747nyi

Necklace Maps

B Speckmann, K Verbeek
2010 IEEE Transactions on Visualization and Computer Graphics  
The advantages of necklace maps come at a price: the association between a symbol and its region is weaker than with other types of maps.  ...  The linear ordering of the symbols along the necklace facilitates an easy comparison of symbol sizes. One map can contain several nested or disjoint necklaces to visualize clustered data.  ...  van Rijn for help with the creation of the input maps.  ... 
doi:10.1109/tvcg.2010.180 pmid:20975124 fatcat:r2vcbmo4jjb6jeiuksdeq5ddeu
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