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Visualization of groundwater flow using line integral convolution
 

Summary: Visualization of groundwater flow using line
integral convolution
JÖRG GOTTHARDT & CAROLA BLÖMER
GKW Ingenieurgesellschaft mbH, Markstr. 77, D-44801 Bochum, Germany
e-mail: jg@gkw-gmbh.de
DETLEF STALLING
Konrad-Zuse-Zentrum für Informationstechnik Berlin (ZIB), Takusstr. 7, 14195 Berlin-Dahlem,
Germany, e-mail: stalling@zib.de
Abstract Line integral convolution (LIC) is a particularly elegant and
powerful method for the visualisation of 2D and 3D vector field data. The
method is based on convolving a random input texture or noise image along
the streamlines of a stationary flow. The resulting output image clearly reveals
the directional structure of the flow at high spatial resolution. For an efficient
computing of LIC images the pixel coherence along the stream should be
exploited. A fast LIC algorithm based on this principle has been developed at
Konrad-Zuse-Zentrum. Additional scalar quantities may be visualized using
pseudo-coloring. The algorithm has been integrated into the software system
SPRING designed for the simulation of groundwater flow and transport
models.
INTRODUCTION

  

Source: Andrzejak, Artur - Konrad-Zuse-Zentrum für Informationstechnik Berlin

 

Collections: Computer Technologies and Information Sciences