On Mon, 16 Mar 2020 at 08:29, João Gaspar <[email protected]> wrote: > > Dear devs, > > While I was doing article research and I found this article about Processing > Modeler that was published in February 2020. > > I don't know if one of you were aware of this or if this can help to improve > the Processing Modeler. I thought this can be useful that was the reason to > share with you. > > This is the abstract: > This article presents an evaluation of the QGIS Processing Modeler from the > point of view of effective cognition. The QGIS Processing Modeler uses visual > programming language for workflow design. The functionalities of the visual > component and the visual vocabulary (set of symbols and line connectors) are > both important. The form of symbols affects how workflow diagrams may be > understood. The article discusses the results of assessing the Processing > Modeler’s visual vocabulary in QGIS according to the Physics of Notations > theory. The article evaluates visual vocabularies from the older QGIS 2.x and > newer 3.x versions. The paper identifies serious design flaws in the > Processing Modeler. Applying the Physics of Notations theory resulted in > certain practical recommendations, such as changing the fill colour of > symbols, increasing the size and variety of inner icons, removing functional > icons, and using a straight connector line instead of a curved line. Another > recommendation was to provide a supplemental preview window for the entire > model in order to improve user navigation in huge models. Objective > eye-tracking measurements validated some results of the evaluation using the > Physics of Notations. The respondents read workflows to solve different tasks > and their gazes were tracked. Evaluation of the eye-tracking metrics revealed > the respondents’ reading patterns of the diagram. Evaluation using both > Physics of Notation theory and eye-tracking measurements inspired > recommendations for improving visual notation. A set of recommendations for > users is also given, which can be applied easily in practice using a > contemporary visual notation.
Really cool! (Wonder if we could convince the authors to extend the study to other parts of QGIS...!) Will respond properly when I've had a chance to read and digest fully. Nyall > > Is open access: > https://www.mdpi.com/2076-3417/10/4/1446/htm > > Best regards, > João Gaspar aka James > > > _______________________________________________ > QGIS-Developer mailing list > [email protected] > List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer _______________________________________________ QGIS-Developer mailing list [email protected] List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer
