"3d printing - 3d mapping". lecture at aristotelian university of thessaloniki/school of...

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VIZVIZ PRINTPRINTTERATERANDC – GR HQNDC – GR HQ GEOGEO

Wednsday 23rd March 2011 1/67

Charalampos (Babis) PARASCHOU, Lt Col (GRC-Army) NATO Deployable Corps - GR HQ / Chief Geo

[email protected], f/b: Charalampos Paraschoutel 0030 2310 882690, mob 0030 694 4141929

NATO DEPLOYABLE CORPS - GREECENATO DEPLOYABLE CORPS - GREECE

““3D Mapping Technologies – 3D Printing ””presented to:presented to:

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AGENDAAGENDA1)1) NDC-GR HQ NDC-GR HQ 2)2) USING ERDAS SOFTWARE for Creating 3D ANAGLYPH USING ERDAS SOFTWARE for Creating 3D ANAGLYPH

MAPS (Red-Blue glasses)MAPS (Red-Blue glasses)3)3) USING ERDAS SOFTWARE for Creating Stereo Model USING ERDAS SOFTWARE for Creating Stereo Model

from Oblique AirPhotos from Oblique AirPhotos 4)4) 3D Map Printers 3D Map Printers 5)5) Proposal for new toolsProposal for new tools6)6) Q&AQ&A

So, only 48 slides, but many of them are photosSo, only 48 slides, but many of them are photos

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from Oblique AirPhotos from Oblique AirPhotos 4) 3D Map Printers 3D Map Printers 5) Proposal for new toolsProposal for new tools6)6) Q&AQ&A


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ARRC

EUROCORPS

GE/NL CORPS

NRDC-ITNRDC-SP

NRDC-TU

MILAN

VALENCIAISTANBUL

STRASBOURG

MUNSTER

REIHDAHLENLILLENRDC-FR

MNC-NE

NDC-GR

THESSALONIKI

SZCZECINKRAKOW

II (POL) CII (POL) C

NATO Land HQ LaydownNATO Land HQ Laydown

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NDC-GR HQ PEACETIME LOCATION <1/2>

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We are here

NDC-GR

NDC-GR PEACETIME LOCATION<2/2>

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EMBLEM

To cut the Gordian knot - To cut the Gordian knot - ΤΩ ΞΙΦΕΙ ΤΟΝ ΔΕΣΜΟΝ ΛΕΛΥΣΘΑΙΤΩ ΞΙΦΕΙ ΤΟΝ ΔΕΣΜΟΝ ΛΕΛΥΣΘΑΙ

TUR

ESP

ROU

ITA

DEU

FRA

BGR

GRC

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GIS workstations 60” Scanner 42” Color Plotter 60” Color Plotter A3 Color Laser Jet Printer Geo Server

HARDWARE Erdas Imagine 10 MapInfo 8.5 ArcGIS 9.2 ArcGIS Server Photoshop CS4 CorelDraw10

COMMERCIAL SOFTWARE

EQUIPMENT of GEO SECTION

SPECIAL EQUIPMENT

Mobile Printery: XEIKON 4000

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GEOSPATIAL SUPPORT - ROUTINE

Display of geospatial information and other associated datasetsAnalysis & InterpretationVisualization Staff Planning

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Vector DataVector Data

Raster DataRaster Data

Digital Terrain Elevation DataDigital Terrain Elevation Data

Aerial PhotographsAerial Photographs

Satellite ImagerySatellite Imagery

Open sources (books, internet,…)Open sources (books, internet,…)

Cartograpic Workshop - GIS Data Base

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11/67

WARNING

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GEOSPATIAL INFORMATIONGEOSPATIAL INFORMATION Geospatial Information is facts about the Earth

referenced by geographic position and arranged in a coherent structure. This includes topographic, aeronautical, hydrographic, geo-referenced imagery, planimetric, relief, thematic, geodetic, geophysical products, data, information, publications and materials. (From MC 296/1).

Available in both paper and digital formats.

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FUTURE

MISSIONS

2001 2002 IOC 2004 FOC 2006 2007 2008 2012

F O C

NEW TARGETS

CAPABILITIES

FUTURE

MISSIONS

CREVALCREVAL

F O CF O C

WAY AHEAD

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AGENDAAGENDA1)1) NDC-GR HQNDC-GR HQ 2)2) USING ERDAS SOFTWARE for Creating 3D ANAGLYPH USING ERDAS SOFTWARE for Creating 3D ANAGLYPH




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Wednsday 23rd March 2011 15/67© ERDAS, Inc. A Hexagon Company. All Rights Reserved

What is Stereo Viewing? <1/3>What is Stereo Viewing? <1/3>• Imagine a “Real World” scene...Imagine a “Real World” scene...

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What is Stereo Viewing?What is Stereo Viewing? <2/3><2/3> How would a camera “see” this How would a camera “see” this

scene?scene?1 perspective center1 perspective centerNo depth perceptionNo depth perception2D image2D image

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What is Stereo Viewing? <3/3>What is Stereo Viewing? <3/3>How would a human “see” this How would a human “see” this

scene?scene?2 perspective centers2 perspective centersHuman brain resolves two images Human brain resolves two images into a 3D imageinto a 3D image

Depth perceptionDepth perceptionLeft Eye Right Eye

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Summary of 3D viewing:Summary of 3D viewing: Producing a 3D anaglyph map (red-blue glasses):

Software (Erdas Imagine in our case)

Using a DEM which accuracy is direct related with the map scale

Computes the parallax for every map pixel

Creates a new digital map file where the red-blue layers moved from pix to pix according to the parallax

Final step: Producing all the above files in GeoPDF;

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USING ERDAS COMMERCIAL SOFTWARE for USING ERDAS COMMERCIAL SOFTWARE for Creating Stereo Model from Oblique AirPhotosCreating Stereo Model from Oblique AirPhotos

Using oblique stereo-pair air photos to create 2 different images at different times using ERDAS LPS ver. 10.1 software solution.

First period simultaneous acquisition of 6 oblique airphotos / 3 strips processed with bundle adjustment.

The method is not oriented to the type of camera, so it can be generalized for any type of camera..

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Step by step the work with ERDAS <1/17>

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from Oblique AirPhotosfrom Oblique AirPhotos 4)4) 3D Map Printers 3D Map Printers 5) Proposal for new toolsProposal for new tools6)6) Q&AQ&A


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Output Device for 3D SoftwareOutput Device for 3D Software

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Three-Dimensional Printing technology (3DP) originally developed Three-Dimensional Printing technology (3DP) originally developed at the Massachusetts Institute of Technology (MIT) in 1993.at the Massachusetts Institute of Technology (MIT) in 1993.

3DP technology creates 3D physical prototypes by solidifying layers 3DP technology creates 3D physical prototypes by solidifying layers of deposited powder using a liquid binder.of deposited powder using a liquid binder.

By definition 3DP is an extremely versatile and rapid process By definition 3DP is an extremely versatile and rapid process accommodating geometry of varying complexity in hundreds of accommodating geometry of varying complexity in hundreds of different applications, and supporting many types of materials.different applications, and supporting many types of materials.

3D Printing for GIS3D Printing for GIS

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Our choice - Z Corporation (PV Engineering)Our choice - Z Corporation (PV Engineering)AdvantagesAdvantagesProbably the World’s Fastest 3D PrinterProbably the World’s Fastest 3D Printer

Unrivaled speed delivers parts in hours versus daysUnrivaled speed delivers parts in hours versus days Only reasonable option for large GIS modelsOnly reasonable option for large GIS models

Best Value in ClassBest Value in Class Most inexpensive partsMost inexpensive parts Most affordable systemMost affordable system

Great PartsGreat Parts High definition parts for great detail and accuracyHigh definition parts for great detail and accuracy

ColorColor Only technology that prints in full colorOnly technology that prints in full color Essential for printing realistic GIS modelsEssential for printing realistic GIS models

Sample CustomersSample CustomersUS Army - US Army Corp of Engineers - University of Michigan etcUS Army - US Army Corp of Engineers - University of Michigan etc

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3D Printing-How it Works <1/4>3D Printing-How it Works <1/4>

Spread a layer of powder

Print a slice of the part

Spread another layer of powder

Parts are printed with no supports to remove

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3D Printing-How it Works <2/4>3D Printing-How it Works <2/4> Z Corp. 3D printers use standard inkjet printing technology to create Z Corp. 3D printers use standard inkjet printing technology to create parts layer-by-layer by depositing a liquid binder onto thin layers of parts layer-by-layer by depositing a liquid binder onto thin layers of powder.powder.Instead of feeding paper under the print heads like a 2D printer, a 3D Instead of feeding paper under the print heads like a 2D printer, a 3D printer moves the print heads over a bed of powder upon which it printer moves the print heads over a bed of powder upon which it prints the cross-sectional data sent from the software. prints the cross-sectional data sent from the software. The Z Corp. system requires powder to be distributed accurately and The Z Corp. system requires powder to be distributed accurately and evenly across the build platform. evenly across the build platform. 3D Printers accomplish this task by using a feed piston and platform, 3D Printers accomplish this task by using a feed piston and platform, which rises incrementally for each layer. which rises incrementally for each layer. A roller mechanism spreads powder fed from the feed piston onto A roller mechanism spreads powder fed from the feed piston onto the build platform.the build platform.The excess powder falls down an overflow chute, into a container for The excess powder falls down an overflow chute, into a container for reuse in the next build.reuse in the next build.

Spread a layer of powder

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3D Printing-How it Works <3/4>3D Printing-How it Works <3/4> Once the layer of powder is spread, the inkjet print heads print the Once the layer of powder is spread, the inkjet print heads print the cross-sectional area for the first, or bottom slice of the part onto the cross-sectional area for the first, or bottom slice of the part onto the smooth layer of powder, binding the powder together. smooth layer of powder, binding the powder together. A piston then lowers the build platform 0.1016mm (0.004”), and a A piston then lowers the build platform 0.1016mm (0.004”), and a new layer of powder is spread on top.new layer of powder is spread on top.The print heads apply the data for the next cross section onto the The print heads apply the data for the next cross section onto the new layer, which binds itself to the previous layer.new layer, which binds itself to the previous layer.ZPrint repeats this process for all of the layers of the part.ZPrint repeats this process for all of the layers of the part.The 3D printing process creates an exact physical model of the The 3D printing process creates an exact physical model of the geometry represented by 3D data.geometry represented by 3D data.Process time depends on the height of the part or parts being built. Process time depends on the height of the part or parts being built. Typically, these 3D printers build at a vertical rate of 25mm – 50mm Typically, these 3D printers build at a vertical rate of 25mm – 50mm (1” – 2”) per hour.(1” – 2”) per hour.

Print cross sectionPrint cross section

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3D Printing-How it Works <4/4>3D Printing-How it Works <4/4>When the 3D printing process completes, loose powder surrounds When the 3D printing process completes, loose powder surrounds and supports the part in the build chamber.and supports the part in the build chamber.Users can remove the part from the build chamber after the Users can remove the part from the build chamber after the materials have had time to set, and return unprinted, loose powder materials have had time to set, and return unprinted, loose powder back to the feed platform for reuse. back to the feed platform for reuse. Users then use forced air to blow the excess powder off the printed Users then use forced air to blow the excess powder off the printed part, a short process which takes less than 10 minutes. part, a short process which takes less than 10 minutes. Z Corp. technology does not require the use of solid or attached Z Corp. technology does not require the use of solid or attached supports during the printing process, and all unused material is supports during the printing process, and all unused material is reusable.reusable.

Print a layer of powderPrint a layer of powder

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Our choice - Spectrum Z™510Our choice - Spectrum Z™510

High Definition

High Fidelity Full Color

Large Build Volume

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High DefinitionHigh Definition

High resolution 600 X 540 DPI printingGreat detail and accuracy

4 pt font!

High Color FidelityHigh Color Fidelity

Full 24-bit color

Large Build EnvelopeLarge Build Envelope 10”x 14”x 8” (250 x 350 x 200 mm)10”x 14”x 8” (250 x 350 x 200 mm)

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Sample Applications (1/5)Sample Applications (1/5)Operations/Response Planning Communication and ReviewCartographic DisplaysAdvanced 3D Visualization

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Operations/Response Planning (2/5)Operations/Response Planning (2/5)Deploy 3D Terrain and Urban models to field units and Deploy 3D Terrain and Urban models to field units and operation centersoperation centersReplace the ‘Sand Table’ with models printed with the ‘Sand Table’ with models printed with real-time geospatial intelligencereal-time geospatial intelligenceLine of sightLine of sightPlume analysisPlume analysisLeast cost pathLeast cost path

http://www.gravenhurstfire.com/images/Unit2L.jpg

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Communication and Review (3/5)Communication and Review (3/5)Communication models for client/public review process

Full color models add communication power and customer impact

Easy to understand complex information

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Cartographic Display (4/5)Cartographic Display (4/5)Topography and terrain from GIS data

Hydrography

City Models

Cartographer/Analyst map production

Educational/Museum Displays

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Advanced 3D Visualization (5/5)Advanced 3D Visualization (5/5)Full Color 3D output enables:Full Color 3D output enables:Geologic researchGeologic researchSite study and evaluationSite study and evaluationSubsurface visualizationSubsurface visualizationWatershed AnalysisWatershed AnalysisViewshed determinationsViewshed determinations

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Preparing the GeoData for 3D printing Preparing the GeoData for 3D printing 1. Chose the level of detail and area you want to model2. Determine the size and scale of the model3. How will the model be displayed? 4. Export a VRML file for 3D printing from ERDAS Virtual GIS

softwareDEM (digital elevation model) Color Image

Orthorectified, registered to the DEM.Satellite, Aerial, Annotation, Chloropleth

5. Print 3D model of VRML file on 3D Printer using simple Z Corp software

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Summary of AdvantagesSummary of AdvantagesRapidly produce sophisticated cartography at very low cost

Hours instead of days/weeksTens or hundreds of dollars instead of thousandsFull-color models

Fundamentally change the way you use GIS data to communicate

Raise exposure & visibility of GEO dataCommunicate clearly with clients, co-workers or public

Perform analysis on critical elements with quick, inexpensive, easily reproducible models

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from Oblique AirPhotos from Oblique AirPhotos 4) 3D Map Printers 3D Map Printers 5)5) Proposal for new toolsProposal for new tools6)6) Q&AQ&A


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Proposal for new toolsProposal for new tools1.1. VRML free viewer for use and dissemination with VRML files which have VRML free viewer for use and dissemination with VRML files which have

been created by ERDAS Virtual GISbeen created by ERDAS Virtual GIS

(also it will be fruitful for the preparation of (also it will be fruitful for the preparation of 3D-printed3D-printed maps & maps & holographicholographic maps) maps)

2. 2. Creating a 3D photo using non metric (amateur) cameraCreating a 3D photo using non metric (amateur) camera

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from Oblique AirPhotos from Oblique AirPhotos 4) 3D Map Printers 3D Map Printers 5) Proposal for new toolsProposal for new tools6)6) Q & A Q & A (maybe)(maybe)


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Thank you for your attention,Thank you for your attention,I am pending your questions..??I am pending your questions..??

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Hellenic (Greek) Military Geographic Service MottoHellenic (Greek) Military Geographic Service Motto

‘ ‘Αεί, ο Αεί, ο Θεός Θεός ο ο μέγας γεωμετρείμέγας γεωμετρεί’’ 3, 1 4 1 5 9 . . . = 3, 1 4 1 5 9 . . . = ππ

(Always, God is the big geometrist)(Always, God is the big geometrist)

"3d printing - 3d mapping". lecture at aristotelian university of thessaloniki/school of...

Technology

exact physical model

3d printers accomplish

creating stereo model

system requires powder

dimensional printing technology

process time depends

3d printers build

works 3d printing