There has been a disparity between the conventional method of describing topographic surfaces (i.e. contour line definition) and a format of surface description often used in continuous-line computer graphics (i.e. panel definition). The two differ enough that conversion from contours to panels is not a trivial problem. A computer program that performs such a conversion would greatly facilitate continuous tone display of topographical surfaces, or any other surface which is defined by contour lines. This problem has been addressed by Keppel and alluded to by Fuchs. Keppel's is a highly systematic approach in which he uses graph theory to find the panel arrangement which maximizes the volume enclosed by concave surfaces. Fuchs mentions an approach to the problem as part of an algorithm to reconstruct a surface from data retrieved from a laser scan sensor. This thesis elaborates on a general conversion system. Following a brief overview of computer graphics, a simple algorithm is described which extracts a panel definition from a pair of adjacent contour loops subject to the restriction that the two loops are similarly sized and shaped, and are mutually centered. Next, a mapping procedure is described which greatly relaxes the above restrictions. It is also shown that the conversion from contours to panels is inherently ambiguous (to various degrees) and that occasionally the ambiguity is great enough to require user interaction to guide the conversion algorithm. An important complication addressed in this thesis is the problem of handling cases where one contour loop branches into two or more (or vice versa). Attention turns next to a contour line definition of the human brain, and special problems encountered in preparing those data for continuous tone display, The final chapters explain the fortran implementation, present an example-problem, and show sample pictures of the brain parts.

Visualization of trivariate functions and vector fields with three components in scientific computation is still a hard problem in compute graphic area. People build their own visualization packages for their special purposes. And there exist some general-purpose packages (MatLab, Vis5D), but they all require extensive user experience on setting all the parameters in order to generate images. We present a simple package to produce simplified but productive images of 3-D vector fields. We used this method to render the magnetic field and current as solutions of the Ginzburg-Landau equations on a 3-D domain.

This thesis is about mapping of the southern surroundings of the area caves Výpustek in the ratio scale 1:500 with the schematic mapping of the subterranean part of the cave. The theoretical part is devoted to the history of this cave and creating maps. The practical part contains calculations, creation of maps and representation of vertical cuts. The outcome is the sketch of the position and diagrammatical sketch of the existed locality and vertical cuts.

The goal of this thesis is to describe the methods of visualization of the terrain relief, ranging from historical ways to current means, which employ software devices. It´s also to gather all available charts for the selected locality and perform an analysis of development of visualization of the terrain relief, which will be based on the collected data. Another goal was to compare the accuracy of the height scripts with the help of designed longitudinal profiles from obtained height script plans, the derived. State map in the scope of 1: 5000 and various map sources. Last at not least to explain the process of creation of the digital terrain model in ArcGIS software ? program.