![]() ![]() To verify our theory we have implemented a simulation of the cube cross section. This preview shows the consequence of the user's potential action. The third part deals with the enhancement of a graphic user interface for educational 3d graphical editors, where we focus mainly on a preview hint visualized before an action is executed. We have achieved considerably better times in obtaining the requested information. ![]() In order to verify this method we have implemented a widget, which assists in searching for departure times of public transportation. We propose a method for accelerating this process, it is based on the user model utilization. The second proposal relates to the streamlining of the information retrieving from the Internet. To verify this method we have implemented the pilot system icPoint, which enables the. The first proposal focuses on applying the common hardware to a new style of interaction|the interaction with objects in the outdoor environment. It is divided into three parts, introducing three proposals for enhancement of existing interaction methods. The present work examines various interaction styles. Patterns of error in this task suggest that participants had difficulty decomposing complex solids into geometric primitives, and shifting their mental perspective from the current viewpoint to imagine the cutting plane from another orientation. Low-spatial participants had consistently poorer performance. Effects of cutting plane also interacted with the type of geometric structure. Orientation of cutting plane affected performance such that participants made more errors when the cutting plane was oblique, rather than orthogonal, to the main axes of the object. Items in the test varied in complexity of the geometric solid and orientation of the cutting plane. An initial study with 59 participants established the internal reliability and external validity of the test. Tests performed by users demonstrated that this preview is a useful and desired element of the interface.Ī novel 30-item multiple choice psychometric test was developed to measure individual differences in a spatial visualization task that involves identifying the cross section that results from the intersection of a cutting plane and a geometric solid. To verify our theory we have implemented a simulation of the cube cross section, which is a part of secondary school curriculum. This preview shows the consequence of the user’s potential action. The third part deals with the enhancement of a graphic user interface for educational 3d graphical editors (in the field of solid geometry), where we focus mainly on a preview hint visualized before an action is executed. We propose a method for accelerating the process of obtaining this information based on the user model utilization. In this part we discuss the situation, in which the user knows exactly where the required information is located. ![]() To verify this method we have implemented the pilot system icPoint, which enables the user to interact with a night sky. The first proposal focuses on applying the common hardware to a new style of interaction – the interaction with objects in the outdoor environment. The work examines various interaction styles.
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