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A Three-Dimensional, Virtual Tour of

                                  the Johnston Geology Museum





         Marcia K. Schulmeister* and Briana Edwards, Earth Science Program, Emporia State University, Emporia, Kansas 66801, USA
          As a need for online communication grows,   models. Individual specimen models were   OUTCOMES AND APPLICATIONS
         digital 3D models provide an effective strat-  generated from 30 to 200 digital photo-  After two semesters of its use, we have
         egy for teaching shape- and orientation-based   graphs, while entire display cases required   observed several positive outcomes and one
         concepts that are essential for understanding   five to 10 photos, for smaller cases, and up to   limitation of the virtual experience. Online
         geology. While developing our department’s   150 photos for the large displays. Photos   students scored higher than traditional stu-
         first, all-online section of an introductory   were taken at 18 megapixel resolution using   dents on exercise questions about fossil
         earth-science class, we created a low-cost, 3D,   a standard digital SLR camera. The ren-  preservation and life modes, probably owing
         virtual tour that simulates a traditional,   dered model files were edited and viewed   to the superior viewing angles and in-depth
         on-campus visit to our University’s geology   using a commercially available viewer on a   examination of subtle details that were pos-
         museum. When combined with 360° images,   public-access server (Sketchfab, 2018). Three-  sible when viewing the 3D models. By
         the tour allows both traditional and online   dimensional subjects can be rotated, en-  revising the original exercise so that the
         museum visitors to view mineral, rock, and   larged, and navigated using a mouse or two-  oldest fossils are visited first, and embed-
         fossil samples on cell phones, tablets, or com-  finger swipes on a computer, tablet, or cell   ding links to a geologic time scale at vari-
         puters. The new approach extends the use of   phone. Software used to create the models   ous places within the exercise, we noted
         an established museum assignment that is   costs  US$15  to  US$550  (depending  on   more thoughtful answers to questions about
         regularly used in our introductory face-to-  license type), and the 3D viewer may be   important events in earth history. Links to
         face geology classes to our online students.   accessed for free or at a minimal cost. Our   images or videos of modern environmental
         Digital rotation and magnification of samples   online virtual tour can be viewed for free   analogues helped allow students who have
         encourages in-depth examination of the spec-  wherever the Internet is available.  not traveled extensively beyond the Mid-
         imens and materials that is not possible when   The virtual museum exercise begins with   western United States to better visualize the
         looking through glass displays, enriching the   a 360° photograph of the museum. Ten   landscapes and environments of ancient
         museum experience for both online and tradi-  “stops” (Fig. 1) along the tour include click-  Kansas. Because our assignment features
         tional museum visitors. The new approach   able links that provide access to 3D models   only select display cases, the discovery that
         also provides audio tracks and alternative   of individual specimens, and expanded dia-  takes place when casually browsing an entire
         viewing access for differently abled or small   log boxes containing relevant background   museum is lost; many valuable exhibits that
         museum patrons and expands the museum’s   and explanations. Because most students in   are not part of our tour can only be accessed
         visibility to a broader online audience.  our introductory geology classes are not   through a face-to-face visit.
                                             earth-science majors, and many museum   The use of 3D models is emerging in the
         MATERIALS AND METHODS               visitors have minimal science background,   growing field of online geoscience educa-
          The Johnston Geology Museum features   we  took advantage  of an  opportunity  to   tion (e.g., Brande and McDaniel, 2018;
         rocks, fossils, mining history, and Native   amend the physical displays with digital   Nesbit et al., 2020). Our exercise is the first
         American artifacts of relevance in Kansas.   materials of relevance to our exercise by add-  to combine a virtual museum tour with 3D
         Used by both the university and a regional   ing links to new content. Additional explana-  models that illustrate the geologic history of
         public audience, it has hosted thousands of   tions of plant and animal life modes, envi-  Kansas. The tour provides access to mid-
         open houses and school and scout field trips,   ronmental conditions, and geologic time help   continent geologic history that may not oth-
         in addition to supporting our earth-science   to clarify concepts emphasized in our class   erwise be available to students and geolo-
         curriculum. The collection is organized in   through links to relevant short videos, loca-  gists living outside of our region. The
         display cases and as free-standing speci-  tion maps, and updated geologic time scales.   potential use of our exercise in online sec-
         mens that are accompanied by maps, draw-  The option of adding new questions and   ondary education teaching may help teach-
         ings, and written explanations. We created   advanced material would allow for use of the   ers communicate earth history concepts to a
         virtual displays of ten cases using 3D model-  3D images in our upper-level geology   younger audience and inspire future earth-
         ing  software  (Agisoft,  2018)  that  aligns,   courses. Students were able to complete the   science majors.
         masks, and renders multiple digital photos   introductory virtual tour assignment in one   To take a 3D tour of the Johnston Geology
         into clusters that form the  basis of our   to two hours.              Museum visit https://sites.google.com/view/



         GSA Today, v. 30, https://doi.org/10.1130/GSATG470GW.1. CC-BY-NC.

         *Corresponding author: mschulme@ku.edu; now at Department of Geology, University of Kansas, Lawrence, Kansas 66045, USA

         24  GSA Today  |  December 2020
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