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Visual Programming Languages in GIS
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Visual Programming Languages in GIS

A special issue of ISPRS International Journal of Geo-Information (ISSN 2220-9964).

Deadline for manuscript submissions: closed (31 December 2021) | Viewed by 3519

Special Issue Editor

Dr. Zdena Dobesova

E-Mail Website
Guest Editor
Department of Geoinformatics, Faculty of Science, Palacky University in Olomouc, 771 46 Olomouc, Czech Republic
Interests: visual programming for GIS; scripting in Python; database, data mining; digital cartography; evaluation of walkability by GIS
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Visual Programming in GIS is a big opportunity to automate the steps of processing spatial data for users. Spatial analysing consists of sequential steps and combines many vector and raster layers. A visual program is a way to store and reuse the order of all processing steps in GIS in the form of a visual workflow (diagram). Subsequently, the same analysis stored as a visual program can be easily repeated and applied over another area or new data from a different period. Visual programming is very suitable and valuable for non-programmers that are experts in another area like urban planning, ecology, territorial management, etc.  

This Special Issue will present the potential of visual programming languages (VPL) in GIS. The amount of implemented GIS functions, programming functions, interface, and the graphical vocabulary are important. Set of symbols and line connectors determine the aesthetic, cognitive, and perceptual quality of created visual programs.

This Special Issue is dedicated to exploring current trends with regards to using VPL in case studies, evaluation of functionality, and development of visual programming languages. Comparative studies of benefits and the cognition of visual vocabularies are also valuable. The comparison and combination of textual and visual programming languages bring new experiences and move the limits of visual programming languages. The educational aspect of VPL in GIS is also important in practicing logical thinking.

Contributions can address the following topics:

  • case studies using VPL in GIS
  • cognition of visual vocabulary of VPL in GIS
  • development of visual languages in GIS
  • programming environment
  • comparisons of visual and textual programming in GIS
  • education of visual programming language in GIS

Dr. Zdena Dobesova
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. ISPRS International Journal of Geo-Information is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • visual programming language
  • graphical notation
  • programming environment
  • graphical editor
  • workflow
  • automatic processing
  • case study
  • visual communication
  • education of VPL

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Published Papers (1 paper)

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Research

31 pages, 11963 KiB  
Article
Cognition of Graphical Notation for Processing Data in ERDAS IMAGINE
by Zdena Dobesova
ISPRS Int. J. Geo-Inf. 2021, 10(7), 486; https://doi.org/10.3390/ijgi10070486 - 15 Jul 2021
Viewed by 2645
Abstract
This article presents an evaluation of the ERDAS IMAGINE Spatial Model Editor from the perspective of effective cognition. Workflow models designed in Spatial Model Editor are used for the automatic processing of remote sensing data. The process steps are designed as a chain [...] Read more.
This article presents an evaluation of the ERDAS IMAGINE Spatial Model Editor from the perspective of effective cognition. Workflow models designed in Spatial Model Editor are used for the automatic processing of remote sensing data. The process steps are designed as a chain of operations in the workflow model. The functionalities of the Spatial Model Editor and the visual vocabulary are both important for users. The cognitive quality of the visual vocabulary increases the comprehension of workflows during creation and utilization. The visual vocabulary influences the user’s exploitation of workflow models. The complex Physics of Notations theory was applied to the visual vocabulary on ERDAS IMAGINE Spatial Model Editor. The results were supplemented and verified using the eye-tracking method. The evaluation of user gaze and the movement of the eyes above workflow models brought real insight into the user’s cognition of the model. The main findings are that ERDAS Spatial Model Editor mostly fulfils the requirements for effective cognition of visual vocabulary. Namely, the semantic transparency and dual coding of symbols are very high, according to the Physics of Notations theory. The semantic transparency and perceptual discriminability of the symbols are verified through eye-tracking. The eye-tracking results show that the curved connector lines adversely affect the velocity of reading and produce errors. The application of the Physics of Notations theory and the eye-tracking method provides a useful evaluation of graphical notation as well as recommendations for the user design of workflow models in their practice. Full article
(This article belongs to the Special Issue Visual Programming Languages in GIS)
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