1. Grant Control Realization Faculty of Civil Engineering, CTU in Prague Controlling 3D scene in GIS (Focused on GRASS) Petr Voldan Department of Mapping and Cartography 2. 5. 2010 Petr Voldan Geoinformatics FCE CTU 2010

2. Grant Presentment Control Goals Realization Team Grant SGS Idea: Improve view controlling in GRASS Proposal for Grant SGS(CTU): Control of 3D scenes GIS applications Grant was accepted in April 2010 Finalization in December 2010 Petr Voldan Geoinformatics FCE CTU 2010

3. Grant Presentment Control Goals Realization Team Grant SGS: Goals 1 Map the type of controlling 3D scenes in a GIS or CAD software. 2 Create prototypes for GRASS 3 Verify concepts by performing experiments and usability testing 4 Implementation Petr Voldan Geoinformatics FCE CTU 2010

4. Grant Presentment Control Goals Realization Team Team 1 Bc. Zdenka Bla student master degree program Geoinformatics 2 Bc. Adam Ku era c student master degree program Computer graphics and interaction (CTU in Prague, Faculty of Electrical Engineering) Design user interfaces 3 Ing. Martin Landa PhD. Student - program Geodesy and Cartography GRASS developer ... and Mr. number one :-) 4 Ing. Petr Voldan PhD. Student - program Geodesy and Cartography Usability and ergonomics of geo applications Petr Voldan Geoinformatics FCE CTU 2010

5. Grant Experiment Control Control other GIS Realization Experiment: Control 3D scene in web browser Comparing of different methods of control Loading . . . Petr Voldan Geoinformatics FCE CTU 2010

6. Grant Experiment Control Control other GIS Realization Experiment info Broad representation - practically with 100 users Petr Voldan Geoinformatics FCE CTU 2010

7. Grant Experiment Control Control other GIS Realization Experiment Results Users prefer this concept of control 3D scene Petr Voldan Geoinformatics FCE CTU 2010

8. Grant Experiment Control Control other GIS Realization Control - Blender Select left mouse button. Rotation middle mouse button Zoom + wheel Move right mouse button or ctrl/shift + wheel Petr Voldan Geoinformatics FCE CTU 2010

9. Grant Experiment Control Control other GIS Realization Control - ArcReader Select choose Identify function Rotation Pivot function and left mouse b. Zoom + wheel Move Globe Navigation function and left mouse b. Petr Voldan Geoinformatics FCE CTU 2010

10. Grant Experiment Control Control other GIS Realization Control - AutoCAD Map 3D Petr Voldan Geoinformatics FCE CTU 2010

11. Grant Experiment Control Control other GIS Realization Control - AutoCAD Map 3D Select left mouse b. Rotation Orbit function and left mouse b. Rotation by viewCube Zoom + wheel Move middle mouse b. Petr Voldan Geoinformatics FCE CTU 2010

12. Grant Experiment Control Control other GIS Realization Control - Google Earth Select left mouse b. (only POI) Rotation horizontal axis shift + wheel Rotation vertical axis ctrl + wheel Zoom + wheel Move left mouse b. Petr Voldan Geoinformatics FCE CTU 2010

13. Grant Examine in real world Control Design Realization Suggestions Match between system and the real world Examine object in real world move with object/observer rotation with object/observer zoom Difculty in system degree of freedom users getting lost Petr Voldan Geoinformatics FCE CTU 2010

14. Grant Examine in real world Control Design Realization Suggestions Manipulation software design is hard Based on a research of GIS applications and the requirements of the GRASS community will be validated concepts by: Usability testing (detailed in next presentation) probably with students Remote usability testing preferably with GRASS users VNC (Virtual Network Computing) Virtual meeting service Skype Design cycle Petr Voldan Geoinformatics FCE CTU 2010

15. Grant Examine in real world Control Design Realization Suggestions Suggestions Zoom + wheel Move middle mouse b. Rotation 1 Default by left mouse b. 2 Orbit function? 3 ? Select 1 Select function 2 Default left mouse b. 3 ? Petr Voldan Geoinformatics FCE CTU 2010

16. Grant Examine in real world Control Design Realization Suggestions Thanks for your attention Petr Voldan Geoinformatics FCE CTU 2010