: In this paper we approach the problems of rounding errors in geometric algorithms. Particularly, we are interested in geometric algorithms used by TerraLib
: Elevation information plays a crucial role in simulations of geophysical flows providing the slope and curvature information required to solve a series of differential equations....
: A lot of research has been developed for integrating the analysis functionality that is available in both analytic and geographic processing systems. The main goal is to provide ...
: Web GIS applications can be found in many domains. The quality of the interfaces of applications determines not only the usability of such applications, but the possibilities off...
: Urban planning is a very important issue to guarantee the sustainable development of modern towns. Many aspects must be considered and one of the most important is the population...
: As the geographic information system (GIS) community grows, more and more people needs to share geographic information. As modern GIS data is stored in geographic databases their...
Abstract: This paper presents a data model for cyclic geographic events useful for nextgeneration geographic information system design. The paper introduces a structure that captur...
Volume rendering techniques can be very useful in geographical information systems to provide meaningful and visual information about the surface and the interior of 3D datasets. ...
: Nowadays, the database characteristics, such as the huge volume of data, the complexity of the queries, and even the data availability, can demand minutes or hours to process a q...
Leonardo Guerreiro Azevedo, Rodrigo Salvador Monte...