GIS Lecture 10: 3D Analyst
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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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Outline
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 extension1
Load 3D Analyst Extension

  • Tools, Extensions…



3d scene1
3D Scene

  • Load from extension toolbar or start menu

  • Uses .sxd file format


3d scene2
3D Scene

  • 3D Scene with layer added


Triangulated irregular network
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.


Create tin
Create TIN

  • Create TIN from topo features




Tin properties
TIN Properties

  • Color changed and soft lines turned off



Drape features to tin1
Drape Features to TIN

  • Edit layer properties




Extruding 3d features1
Extruding 3D Features

  • 3D buildings includes 3D heights


Extruding 3d features2
Extruding 3D Features

  • Extrude using Height field


Resultant layer extruded
Resultant Layer Extruded

  • Buildings draped to TIN and extruded





Navigate a scene
Navigate a Scene

  • Navigate button


Flythrough a scene
Flythrough a Scene

  • Choose Fly button and slowly move mouse

    • Left mouse: increases speed

    • Right mouse: decreases speed

    • ESC: stops flight


Multiple views
Multiple Views

  • Add New Views



3d effects toolbar
3D Effects Toolbar

  • 3D Effects Toolbar


Transparent effect
Transparent Effect

  • Set layer transparency


Layer face culling
Layer Face Culling

  • Turns off the display of front or back faces of an areal feature or graphic


Layer lighting
Layer Lighting

  • Switches lighting on/off


Shading mode
Shading Mode

  • Defines smooth or flat shading


Depth priority
Depth Priority

  • Changes layer’s drawing priority



Record and play animation
Record and Play Animation

  • Animation Toolbar and Tools

  • Record Animation

    • Animation Controls

    • Record button

    • Fly button

    • Stop button

  • Play Animation

    • Play button


Save animation
Save Animation

  • Save as ArcView animation (.ASA)


Save animation1
Save Animation

  • Export as .AVI or .MOV video


Load animation
Load Animation

  • Opens ArcView animation

    • Ready to play


3d symbols
3D Symbols

  • Start with 2D point symbols (street trees)


3d symbols1
3D Symbols

  • Add layer and display (drape) in ArcScene


3d symbols2
3D Symbols

  • Swap with 3D Symbol


3d symbols3
3D Symbols

  • Resultant layer with 3D symbols



Line of sight analysis1
Line of Sight Analysis

  • Add TIN in ArcMap


Line of sight analysis2
Line of Sight Analysis

  • Create Line of Sight

    • Set offset

    • Pick points


Resultant line analysis
Resultant Line Analysis

  • Lines showing visibility (green) and obstruction (red)



Launch arcglobe
Launch ArcGlobe

  • Choose from 3D Analyst toolbar or

  • Start menu





Summary
Summary

  • Load 3D Analyst Extension

  • 3D Scene

  • Triangulated Irregular Network (TIN)

  • Drape Features to TIN

  • Extrude 3D Features

  • Navigate a 3D Scene

  • 3D Effects

  • Animations

  • 3D Symbols

  • Light of Sight Analysis

  • ArcGlobe