bentley descartes v8i
TRANSCRIPT
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Bentley Descartes V8i Advancing Information Modeling For Intelligent Infrastructure
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• Why would you need Bentley Descartes?
• What is Bentley Descartes? – Advanced Point Cloud Workflows
– Advanced Terrain Modeling Workflows
– Advanced Point Cloud Workflows
• Who uses Bentley Descartes?
Agenda
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• Hybrid raster/vector workflows – Typical when working with older scanned plans
• Urban Modeling Scene Creation – Accurately apply Advanced Textures on your 3D model
at low cost
• Working with Advanced Raster formats – Get access to new formats not supported in
MicroStation
Why Descartes? Because your work involves…
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• Extremely large terrain models (larger projects, citywide, regional, countrywide) – Create and display Scalable Terrain Models (STM)
– Up to billions of points
– High-resolution image draping
• Going beyond point cloud visualization – Advanced point cloud workflows
Why Descartes? Because your work involves…
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Bentley Descartes Value Proposition
Image Processing
Terrain Modeling
Point Cloud Processing
Hybrid Raster/Vector
3D Modeling
Bentley Descartes…
Advancing Information Modeling For
Intelligent Infrastructure
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What is Bentley Descartes?
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What is Bentley Descartes?
Image
Processing
Terrain
Modeling
Point Cloud
Processing
Hybrid
Raster/Vector
3D Modeling
• Raster Geo-Referencing
• Advanced raster
transformation (warping,
register)
• Raster Scene Creation
(merge tool)
• Persistent coordinate system
transformation
• Raster Mosaic Creation
• Image filtering (Contrast
Stretch, Density slicing, etc)
• Viewing Oracle Spatial
Georaster
• Viewing Raster DEM and
applying filter on Raster
DEM
• Binary Raster Editing (ala
I/RAS B)
• Color Raster Editing
• Snap on raster content
• Raster to Vector conversion
and Vector to Raster
conversion
• Convert Raster Text to
Vector Text
• Advanced Texture
Creation/Editing (e.g.: 3D
building texture) • Create Scalable Terrain Model
(STM)
• Billions of points DTM
• Display Scalable Terrain Model
• High-Resolution Draping of
imagery on STM
• Export to MicroStation Terrain
• Point Cloud Classification
Editing
• Point Cloud Line Draping
• Point Cloud Advanced
Export
• Point Cloud Geometry
Extraction
• Point Cloud Flashlight
Display Setting
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What’s new in V8i (SELECTseries 3)
• Point Cloud Processing – Point Cloud Classification
Editing
– Point Cloud Line Draping
– Point Cloud Advanced Export
– Point Cloud Geometry Extraction
– Point Cloud Flashlight Display Setting
• Scalable Terrain Model – Create Scalable Terrain
Model (STM)
– Billions of points DTM
– Display Scalable Terrain Model
– High-Resolution Draping of imagery on STM
– Export to MicroStation Terrain
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Advanced Point Cloud Workflows
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• Bentley Descartes is now the value-added product for advanced point cloud workflows
• It enhances MicroStation, PowerDraft and many other applications with advanced point cloud capabilities – Line Draping
– Classification Editing
– Flashlight
– Advanced Snap
– Export to LAS, Tiled Export
– Geometry Extraction
– …
Point Cloud Support in Descartes
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• Allows automatically drape lines on point cloud surface
• Convert line approximation into lines following exactly the point cloud surface.
Draping on Point Cloud
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• Enable semi-automated geometry extraction from point cloud – For example
• Road profiles
• Transmission line cables
• Etc.
• Enable analysis of the extracted vector data using any MicroStation based tools
• Create better terrain models by supporting the creation of break lines
Benefits- Point Cloud Draping
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Demo- Point Cloud Draping
• Create approximated line aligned with transmission line cables
• Drape that line on the point cloud
Demonstration
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• Automatically classified data has mistakes impacting break line extraction, terrain creation, shape extraction, etc.
• Hybrid/Retrofitting workflows need a way to structure point cloud parts – Isolating part of the assets
– Ex: rail signalization, plant equipment
• Point clouds have noise – People, cars, land surveying hardware etc..
– False points (ex: laser crossing windows)
Classification Editing
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• Save time and money by empowering users to fix simple mistakes not detected by automated process
• Improve point cloud data quality by improving the classification thereby adding value to existing data
• Generate better results out of the point cloud (terrain, shapes, etc)
• Facilitate hybrid workflows combining point cloud and vector based data
Benefits- Classification Editing
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Civil Demo: Point Classification Editing and Creation of STM
• Visualize classification
• Edit the classification
• Generate Scalable Terrain Model (STM)
Demonstration
Data Courtesy HNTB – www.HNTB.com
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Building/Factory Demo: Replacement of a portion of a point cloud
• Hide points using the Edit Classification tool
• Place an object in place of the hidden points
Demonstration
Data Courtesy Faro
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• Visual helper dynamically re-coloring points in the cursor neighborhood based on their 3D location and a direction
• Improves user understanding, within a single view and without rotating, how the points are organized and provides analysis such as: – Are there points behind my cursor position?
– Are there points around the cursor almost at the same depth?
– Is the cursor snapping on the top or the bottom of this edge?
Point Cloud Flashlight
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• Enable better understanding of a 3D scene
• Enable simpler QA/QC of the point cloud data
• Enable better navigation of a 3D scene
• Provides faster and more accurate digitizing especially when combined with Advanced Snap
Benefits- Flashlight
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• Advanced Snap is a tool for picking key points such as the lowest, highest, average or median point along a user defined path. For example, find the peak line along a road centerline.
• This utility works in conjunction with AccuSnap and uses the point found by AccuSnap as the center of the search area.
Point Cloud Advanced Snapping
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• Fully integrated with MicroStation AccuSnap, it simplifies modeling with point clouds
• It enables: – Fast semi-automatic break line extraction
– Simple feedback on the particular point the tools are snapped on in the point cloud
– Easier distance measurement
– Faster digitizing by reducing the number of view rotations while working
Benefits- Advanced Snapping
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Civil Demo - Combining Flashlight and Advanced Snap
• Using the Flashlight tool in Laser beam mode
• Using Advanced Snap snapping on lowest point to draw breakline
• Using MicroStation Solid tools to create wall from a pattern
Data provided by HNTB Demonstration
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Building/Factory Demo - Combining Flashlight and Advanced Snap
• Flashlight tool – Shown in Laser Beam mode
– Shown in Light Beam mode
• Advanced Snap Using MicroStation
Data provided by Faro Demo
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• Exports selected point clouds into a series of files according to a defined set of polygons or 3D volumes.
Point Cloud Tiled Export
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• Split large point clouds into smaller pieces
• Make large datasets more manageable for 3rd party software having less capacity than MicroStation
Benefits - Point Cloud Tiled Export
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• Exporting to LAS files – LAS is a well known standard in point cloud world
• Exporting to LAS, XYZ, or POD files in multiple tiles – User can specify a 3D “Grid” to define the extent of the
exported files
– Easily split large datasets in smaller files for easier handling in other software or for easier distribution on a network
Advanced Exports
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Demo- Point Cloud Tiled Export
• Export single point cloud into multiple tiled files
Demonstration
Data Courtesy HNTB – www.HNTB.com
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– User selects points dynamically • 3D Slab
• Cylinder
• Polygon
• Fence
• ..
– Based on the selection set a real time computation is performed
• Outliers are detected and rejected
• Inliers selected are used for a least square computation
– Tool will detect shape with full freedom as well as with constrains
• Must be Vertical or must be Hz
Plane and Cylinder extraction
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• Plane result
– Planar 3D polygon (convex hull)
• Cylinder results
– Cylinder shell
– Cylinder centerline
– Cylinder centerline and radius
Plane and Cylinder extraction
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• Extract planar elements to build geometries of features
• Extract planar elements to set ACS
• Extract Pipe centerline to build pipe run in OpenPlant
• Extract pills or street light i.e. place cells.
• …
Usage
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Advanced Terrain Modeling Workflows
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• STM is a revolutionary new technology that enables high-performance display of digital terrain models (DTMs) covering very large areas and containing billions of points
• For viewing huge digital terrain models at geospatial scale
– City, Region, State, Country
• Potential users
– Municipal, States, Federal agency and government
– EPC working in GIS
– Large infrastructure project
Scalable Terrain Model
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• Enables high-performance display of terrain models covering very large areas and containing billions of points and breaklines
• Saves time by displaying very large seamless terrain models enabling unprecedented workflows dealing with wide areas
• Scalable Terrain Model comes with high-resolution draping capabilities to display the raster backdrop on the terrain model with extremely good resolution regardless of the terrain model or image size
• The STM is easily kept up to date by synchronizing it with a wide variety of sources including DGN, Civil DTM, Point Cloud, XYZ. As the sources changes you can easily regenerate the STM
Benefits- Scalable Terrain Model
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Demo - Scalable Terrain Model and High-Resolution Draping
• Scalable Terrain Model display
• High-resolution draping
Data provided by Quebec City and Images provided by
Aero-Photo (1961) Inc, Quebec, Canada
Demonstration
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Advanced Raster Workflows
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• Raster is everywhere; whether you do CAD, mapping or GIS analysis
• Precise raster texturing on buildings is NOW easier than ever
• Raster is the fastest and cheapest way to view a large amount of information
• Imagery is becoming more accurate than ever
• Extremely large images and image catalogs are accessible to any organization
• Raster editing is extremely cost effective reducing the need for large scale raster to vector conversion
Raster is not dead, long live Raster!
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How does Bentley Descartes interact with MicroStation? • Bentley Descartes is fully
integrated with MicroStation Raster Manager. Both use the same dialogs, menus and selection tools
• Bentley Descartes is integrated in the MicroStation Element Information dialog
• Bentley Descartes features Dynamic Raster Snap and Automatic Vector Stamping
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• Create Advanced Textures with simple digital images
– By rectangle; ideal for facades
– By points; ideal for roofs
• Easy export to Google Earth (KML, KMZ), Collada, 3D PDF
• Animation creation
Advanced Texture Creation/Editing
Data provided by Quebec City, Canada
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Advanced Texture Creation Process
Optionally Convert To Texture
Convert To Advanced Texture
Optionally Stretch To Area
Warp To Area
Select element/raster pair(s)
Data provided by Quebec City, Canada
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Advanced Texturing Demo
Data provided by Quebec City, Canada
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• Extremely efficient viewing of GeoRaster
• Query GeoRaster by attributes and/or spatially
• View GeoRaster as Raster DEM
Viewing of Oracle Spatial GeoRaster
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Viewing Raster DEM
• Apply multiple display types
– Elevation, Slope, Aspect
• Supports multiple formats
– USGS DEM (*.dem)
– USGS SDTS (*.catd.DDF)
– GeoTiff (*.tif)
– Erdas image (*.img)
– Oracle Spatial GeoRaster
– Spot dimap (*.dim)
– Tag Image File (*.tif)
– Internet Tiff (*.itiff), Internet Tiff 64 bit (*.iTiff64)
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Binary Raster Editing
• Dynamic Raster Snap – Snap to the raster
content and digitize vector or add new raster content
• Local Transform Tools – Copy, move, scale,
rotate, mirror and warp portion of the raster
• Resize Canvas – Change the canvas size
of a raster image
• Flood tool
– Used to flood an area of a binary raster
Fig. Dynamic Raster Snap
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Binary Raster Editing (cont.)
• Import .COR Files
– Allows importing I/RAS B resampling files
– Convert Area
• Convert a selected raster area to vector lines
– Combine images
• Combine images using logical operations (And, Or, XOR and Compare) to create third raster
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Fig. Convert Area
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Color Raster Editing
• Touch-up tools such as paint, erase and cleanup
– These tools can be used on 2D or 3D oriented rasters
• Corridor
– Merge rasters included in a shape to a new raster file. This new raster file is transformed to fit to a destination polygon
• Crop
– Permanently trim portion of the raster
Fig. Corridor
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Color Raster Editing
• Local Transform Tools
– Copy, move, scale, rotate, Mirror and warp portion of the raster
• Cover Up Area and Clone Area
– One step copy/paste process with feathering area
• Copy and paste from/to third party software
– Paste raster data to and from Descartes.
Fig. Cover Up Area
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Image processing
• Persistent coordinate system transformation
– Permanently save a raster that was dynamically re-projected by Raster Manager
• Geo-referencing/Warping
– Transform a raster based on known control points
– Supporting:
• Helmert
• Similitude
• Affine
• Projective
• Thin Plate Spline
• Polynomial 2nd/3rd degree
Fig. Geo-referencing/Warping
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Image processing
• Raster Scene Creation (Merge Tool)
– Perfect for publishing your work as rasters
– Merge multiple rasters together
– Rasterize vector elements
– Create a geo-referenced and geo-coded output file
– Full control over output file resolution
– Create multiple output files based on a predefined grid
– Merge to clipboard
Rasters
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Image processing
• Mosaic creation
– Easily create seamless raster mosaic
• Define Seam now allows dynamic preview of result
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Image Processing
• Resize Canvas
– Enlarge or reduce the canvas of a raster without rescaling the image
– Always functions in “Work in Image Plane” mode
• Raster filters
– Filter images using: Blur, Sharpen, Smooth, Detail, Edge Enhance and Find Edges
Fig. Resize Canvas
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Raster/Vector Conversion
• Bentley Descartes features the following raster to vector tools
– Vectorize (added the most requested tools)
• Convert Area
• Continue at Intersection
• Nodes are now undoable
• Bentley Descartes also features these vector to raster tools
– Stamp
• Line capping and line join
– Enhanced Merge tool
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• Optical Character Recognition
• Convert text in images to MicroStation Text
Raster to Text Conversion
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Who uses Bentley Descartes?
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Industry
Transportation - Engineering Consultants
GeoSpatial - Mapping Company
GeoSpatial - Electric and/or Gas
Transportation - Municipal Government/Agency
Transportation - Roadway Agency
GeoSpatial - Federal Cadastral Mapping Agency
GeoSpatial - Other Federal Agencies
Plant - EPC Firm (Process/Power)
Transportation - Rail Operations Firm
Building - Engineering Contractor
Used worldwide in multiple industries
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• Hybrid raster/vector workflows
– Engineering/technician updating older plans, CAD Manager/Technician
• Urban Modeling Scene Creation
– Urban Planners or Technician, Designer, Geomatics Department
• Working with Advanced Raster formats
– GIS Technician, GIS Analyst, CAD Manager/Technician
• Scalable Terrain Model
– Civil technician/engineer, surveyors, GIS professional, CAD Manager/Technician
• Advanced point cloud workflows
– Civil technician/engineer, surveyors, plant/factory designers, building/facility designers, GIS professional, CAD Manager/Technician
Who values what?
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Case Study - EPCOR
• EPCOR is a water and electric distribution utility for the city of Edmonton, Alberta. 600,000 customers
• Hybrid raster and vector drawings
• As changes are made, raster is deleted and new facilities drawn in vector
• Saves time in digitizing all new record drawings or fully converting old ones
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Case Study – City of Mississauga
• Mississauga is a city of population 734,000 in Ontario, Canada
• Used to rectify old aerial photography
• Image archive dating back to 1944
• Key years are scanned and rectified
– Bylaw enforcement
– Development change detection
• Imagery made available on internal and external websites
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Case Study – Union Gas
• Gas transmission and distribution utility in Ontario, Canada. 1.3 million customers
• Register scanned drawings and aerial photography
• Heads up digitizing through semi-automated conversion
• Mosaics from tiled imagery
• Extract imagery for plan sheets
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Functionality MicroStation Bentley Descartes
View raster (Images, WMS, Imager Server Feed, PDF) X X
On-the-fly coordinate system transformation X X
Image draping on surface X X
Basic raster transformation X X
Binary Raster Editing (ala I/RAS B) X
Color Raster Editing X
Snap on raster content X
Advanced Texture Creation/Editing (e.g.: 3D building texture) X
Raster Geo-Referencing X
Advanced raster transformation (warping, register) X
Raster Scene Creation (merge tool) X
Persistent coordinate system transformation X
Raster Mosaic Creation X
Raster to Vector conversion and Vector to Raster conversion X
Convert Raster Text to Vector Text X
Image filtering (Contrast Stretch, Density slicing, Blur, Sharpen, Smooth, Detail, Edge Enhance, Find Edges, etc) X
Viewing Oracle Spatial Georaster X
Viewing Raster DEM and applying filter on Raster DEM X
Create Scalable Terrain Model (STM) X
Display Scalable Terrain Model (STM) X
High-Resolution Draping of imagery on STM X
Point Cloud Classification Editing X
Point Cloud Line Draping X
Point Cloud Advanced Export X
Point Cloud Geometry Extraction X
MicroStation VS Bentley Descartes
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Descartes for I/RAS B Users
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• User interface is completely integrated with Raster Manager
• Supports any pixel type. Descartes can attach binary rasters, 8 bit rasters, 24 bit rasters, etc.
• Rasters can be displayed with rotation, affinity or in a rotated view
• Support for rasters with rectangular pixels
• Can attach rasters to the design plane. Background plane, (as in I/RAS B) is still supported, but, by attaching rasters in the design plane, rasters can be interleaved with vector elements
• Descartes fully supports 3D attachment
• Rasters attached to a reference model are supported
Descartes for I/RAS B Users
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• Different model per view is supported
• Descartes is completely ProjectWise and Bentley Geospatial Server compliant
• Raster attachments are treated as MicroStation elements. Therefore, it is possible to:
– Select rasters using the MicroStation selection tool. Element type of rasters is “Raster Attachment”
– Edit (move, rotate, scale, etc) raster attachment and vector elements in the same operation using MicroStation tools
– “Element Info” dialog displays raster information for selected rasters
– Undo/redo support for raster editing tools using the MicroStation undo operation.
– Rasters can be detached using the MicroStation delete tool or the keyboard delete key
Descartes for I/RAS B Users
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• Do you require a solution for your: – Advanced Image Processing Workflows
– Advanced Hybrid Raster/Vector Workflows
– Advanced 3D Modeling workflows
– Advanced Digital Terrain Model Workflows
– Advanced Point Cloud Processing workflows
Bentley Descartes- Summary
Image Processing
Terrain Modeling
Point Cloud Processing
Hybrid Raster/Vector
3D Modeling