Diagrams of an eye software#

The cornea’s refractive power bends the light rays in such a way that they pass freely through the pupil the opening in the center of the iris through which light enters the eye. Light rays enter the eye through the cornea, the clear front “window” of the eye. Res.To understand Keratoconus, we must first understand how the eye enables us to see, and what role the cornea plays in this process. Wadsworth Cengage Learning, Belmont (2008)ĭobesova, Z.: Student reading strategies of GIS workflow diagrams. Martin, D.W.: Doing Psychology Experiments. Holmqvist, K., Nyström, M., Andersson, R., Dewhurst, R., Jarodzka, H., Van de Weijer, J.: Eye Tracking: A Comprehensive Guide to Methods and Measures. In: Proceeding of 13th International Multidisciplinary Scientific GeoConference, STEF 1992, pp. 419–425 (2015)ĭobesova, Z.: Using the physics of notations to analyse ModelBuilder diagrams.

Diagrams of an eye software#

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STEF92 Technology Ltd., Sofia (2014)īoshernitsan, M., Downes, M.S.: Visual programming languages: a survey. In: Proceeding of 14th SGEM GeoConference on Informatics, Geoinformatics and Remote Sensing, pp. Keywordsĭobesova, Z.: Data flow diagrams in geographic information systems: a survey.

The result is that the using of straight lines brings effective cognition of workflow diagrams in case of spatial data processing in geographic information system (GIS). Eye-tracking metrics affirm that diagrams with orthogonal bends on connector lines have an average higher number of fixations, longer length of scanpath, shorter average time of fixation and longer duration time. Eye-tracking measuring brought interesting objective results. The user executed specific tasks above diagrams. Five couples of diagrams with and without orthogonally bends were showed to 26 respondents. Eye-tracking measuring in the laboratory was prepared for objective empirical testing. One aesthetic recommendation – “minimize beds in edge” was tested in workflow diagrams from ArcGIS ModelBuilder. The aesthetic aspects also have an impact on users understanding. The graphical vocabulary and the layout of the diagram have an influence on the user cognition of diagram. Workflow diagrams consist of nodes and connectors to express the steps of processing in the form of a visual program.