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GIS Lecture 10: 3D Analyst

GIS Lecture 10: 3D Analyst. Outline. Load 3D Analyst Extension 3D Scene Triangulated Irregular Network (TIN) Drape Features to TIN Extruding 3D Features Navigating a 3D Scene 3D Effects Animations 3D Symbols Light of Sight Analysis ArcGlobe. Load 3D Analyst Extension.

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GIS Lecture 10: 3D Analyst

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  1. GIS Lecture 10: 3D Analyst

  2. Outline • Load 3D Analyst Extension • 3D Scene • Triangulated Irregular Network (TIN) • Drape Features to TIN • Extruding 3D Features • Navigating a 3D Scene • 3D Effects • Animations • 3D Symbols • Light of Sight Analysis • ArcGlobe

  3. Load 3D Analyst Extension

  4. Load 3D Analyst Extension • Tools, Extensions…

  5. 3D Scene

  6. 3D Scene • Load from extension toolbar or start menu • Uses .sxd file format

  7. 3D Scene • 3D Scene with layer added

  8. Triangulated Irregular Network • Triangulated Irregular Network (TIN) Structure • Defined by two elements: a set of input points with x,y, and z values, and a series of edges connecting these points to form triangles. • Each input point becomes the node of a triangle in the TINstructure, and the output is a continuous faceted surface of triangles.

  9. Create TIN • Create TIN from topo features

  10. Resultant TIN

  11. TIN Zoomed

  12. TIN Properties • Color changed and soft lines turned off

  13. Drape Features to TIN

  14. Drape Features to TIN • Edit layer properties

  15. Resultant Layer

  16. Extruding 3D Features

  17. Extruding 3D Features • 3D buildings includes 3D heights

  18. Extruding 3D Features • Extrude using Height field

  19. Resultant Layer Extruded • Buildings draped to TIN and extruded

  20. Navigating a 3D Scene

  21. Observer and Target Locations • Target

  22. Observer and Target Locations • Observer

  23. Navigate a Scene • Navigate button

  24. Flythrough a Scene • Choose Fly button and slowly move mouse • Left mouse: increases speed • Right mouse: decreases speed • ESC: stops flight

  25. Multiple Views • Add New Views

  26. 3D Effects

  27. 3D Effects Toolbar • 3D Effects Toolbar

  28. Transparent Effect • Set layer transparency

  29. Layer Face Culling • Turns off the display of front or back faces of an areal feature or graphic

  30. Layer Lighting • Switches lighting on/off

  31. Shading Mode • Defines smooth or flat shading

  32. Depth Priority • Changes layer’s drawing priority

  33. Animations

  34. Record and Play Animation • Animation Toolbar and Tools • Record Animation • Animation Controls • Record button • Fly button • Stop button • Play Animation • Play button

  35. Save Animation • Save as ArcView animation (.ASA)

  36. Save Animation • Export as .AVI or .MOV video

  37. Load Animation • Opens ArcView animation • Ready to play

  38. 3D Symbols • Start with 2D point symbols (street trees)

  39. 3D Symbols • Add layer and display (drape) in ArcScene

  40. 3D Symbols • Swap with 3D Symbol

  41. 3D Symbols • Resultant layer with 3D symbols

  42. Line of Sight Analysis

  43. Line of Sight Analysis • Add TIN in ArcMap

  44. Line of Sight Analysis • Create Line of Sight • Set offset • Pick points

  45. Resultant Line Analysis • Lines showing visibility (green) and obstruction (red)

  46. ArcGlobe

  47. Launch ArcGlobe • Choose from 3D Analyst toolbar or • Start menu

  48. ArcGlobe Window

  49. Add and Display Vector Data

  50. Save ArcGlobe Project

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