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Creating 3D models in CAD and
GIS using Digimap data
Guy McGarva and Ian Holmes
User Support
Content
Create simple 3D models in the following software:
• ArcGIS Pro
• ArcGIS Online
• AutoDesk (AutoCAD and InfraWorks...
ArcGIS Pro – Skye Cuillin
Data sources (Geology Download):
• 1:50,000 scale geology
• Terrain data provided by ESRI UK (us...
ArcGIS Pro/ArcGIS Online – Edinburgh
Castle
Data sources (OS Download):
• OS MasterMap Building Height Attribute – File Ge...
Building Height Attribute
5
• Base height: AbsHMin
• ‘Roof’ heights:
• AbsH2
• AbsHMax
Building footprints from OS MasterM...
AutoCAD and InfraWorks - Hexham
Data sources (OS Download, and Aerial
Download):
• OS Terrain 5 DTM – ASCII format
• OS Te...
AutoCAD and InfraWorks - Hexham
Process - AutoCAD
1. Open Building Height Attribute dataset in AutoCAD
2. Using the Attach...
QGIS – Battersea Park
Data sources (OS Download, and Aerial
Download):
• OS Terrain 5 DTM – ASCII format
• OS MasterMap Bu...
QGIS – Battersea Park
Process
1. Add all data to QGIS
2. Using QGIS2ThreeJS plugin create 3D
features for:
– Buildings
– T...
QGIS – Geological Society
Data sources (Lidar Download, Aerial
Download)
1. 50cm DTM and DSM – ASCII format
2. Aerial Imag...
Questions?
11
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Creating 3D models in CAD and GIS using Digimap data

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A presentation and demonstration on using Digimap data to create 3D models in CAD and GIS software given at GeoForum 2017.

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Creating 3D models in CAD and GIS using Digimap data

  1. 1. Creating 3D models in CAD and GIS using Digimap data Guy McGarva and Ian Holmes User Support
  2. 2. Content Create simple 3D models in the following software: • ArcGIS Pro • ArcGIS Online • AutoDesk (AutoCAD and InfraWorks) • QGIS 2
  3. 3. ArcGIS Pro – Skye Cuillin Data sources (Geology Download): • 1:50,000 scale geology • Terrain data provided by ESRI UK (uses OS Terrain 50) Process 1. Add Geology data to ArcGIS Pro 2. Convert to 3D using the Convert button 3. Optionally add in OS Terrain 5 for more detailed terrain surface 4. Adjust transparency to see geological influence on landscape 3
  4. 4. ArcGIS Pro/ArcGIS Online – Edinburgh Castle Data sources (OS Download): • OS MasterMap Building Height Attribute – File Geodatabase format Process 1. Create 3D building in ArcGIS Pro by extruding 2D building features 2. Convert to Multi Patch feature using: – 3D Analysts Tools > Conversion > Layer 3D To Feature Class 3. Create a Scene Layer Package using: – Data Management Tools > Package > Create Scene Layer Package 4. Upload Scene Layer Package to ArcGIS Online 5. Open the Scene in Scene Viewer 4
  5. 5. Building Height Attribute 5 • Base height: AbsHMin • ‘Roof’ heights: • AbsH2 • AbsHMax Building footprints from OS MasterMap Topography layer with various height attributes:
  6. 6. AutoCAD and InfraWorks - Hexham Data sources (OS Download, and Aerial Download): • OS Terrain 5 DTM – ASCII format • OS Terrain 5 Contours – DWG format • OS MasterMap Building Height Attribute – DWG format • OS MasterMap Raster 1:1,000 scale – TIFF format • Aerial Imagery – JPEG format 6
  7. 7. AutoCAD and InfraWorks - Hexham Process - AutoCAD 1. Open Building Height Attribute dataset in AutoCAD 2. Using the Attach command, attach one or more other DWG datasets Process - InfraWorks 1. Drag and drop terrain surface 2. Drag and drop basemap data (aerial imagery or raster basemap) 3. Drag and drop buildings 7
  8. 8. QGIS – Battersea Park Data sources (OS Download, and Aerial Download): • OS Terrain 5 DTM – ASCII format • OS MasterMap Building Height Attribute – File Geodatabase format • OS MasterMap Topography Layer – File Geodatabase format: – Positioned coniferous trees extracted to Shapefile – Positioned non-coniferous trees extracted to Shapefile • Aerial Imagery – JPEG format 8
  9. 9. QGIS – Battersea Park Process 1. Add all data to QGIS 2. Using QGIS2ThreeJS plugin create 3D features for: – Buildings – Trees (need to create trunks and canopies separately) 3. Run plugin to create 3D model as HTML page 9
  10. 10. QGIS – Geological Society Data sources (Lidar Download, Aerial Download) 1. 50cm DTM and DSM – ASCII format 2. Aerial Imagery – JPEG format Process 1. Add data to QGIS 2. Run QGIS2ThreeJS plugin to create 3D model as HTML page 10
  11. 11. Questions? 11

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