STEREO 3D APPLICATIONS POTENTIAL FOR HERITAGE DISASTER MANAGEMENT

Maria BOSTENARU DAN

Introduction

Human viewing in 3D through stereo images Pairs of images / colours 3D photography

Disaster management Heritage conservation – 3D images (incl. Puzzles)

Reconstruction of antique sites superposed to real photo

In this paper: Adobe (Macromedia) Director application Potential for augmented reality (superpose 3D

model and photograph)

Historical and now

Research on stereo photography

3D photography

historic Canadian Centre for Architecture

1866 fire in Portland, Maine – J. Soule Giorgio Sommer Evora

DDR Now

Castles in Hungary

Canadian Centre for Architecture

Canadian Centre for Architecture

Photographer Siever

CCA

Fire Boston 1873

Photographer Soule John

CCA

Fire Portland (Maine) 1866

wikipedia

Giorgio Sommer Vesuvius 26 April 1872

wikipedia

Giorgio Sommer Vesuvius

wikipedia

Giorgio Sommer Pompei

Evora disaparecida

http://www.varak3d.hu/

Várak 3D

Photo.net

Projection of stereo in an installation

Rediscovered space

Rediscovered space

Rediscovered space

Satellite imagery

2001 Gujarat earthquake – M. Markus (comparison with eye view)

L‘Aquila (our research) 2010 Haiti – stereo pairs (Langenbach)

Foto 2003, 2010

Plan: Protecţia Civilă Italiană

L‘Aquila

Stereo pairs 2010

http://www.conservationtech.com/

Pictometry images

3D application programming

Programming

Lingo script, openGL basis Of a geometric model which we also

built in paper (rhombicuboctaedron)

member(1).newCamera("axonometrie") (member 1 of castLib 1).Camera(2).translate(0, 0, 100, #world) member(1).camera(2).rotate(45, 0, -135, #world) member(1).newCamera("camera2") (member 1 of castLib 1).Camera(3).translate(0, 0, 100, #world) member(1).camera(3).rotate(45, 0, -135, #world) member(1).camera(3).translate(20, 0, 0, #world)

on enterFrame global l member(1).resetWorld() member(1).bgcolor=rgb(0,0,255) l=20 mymeshgeometry = member(1).newMesh("rhombicuboctaedron", 44, 24, 0, 4) tmpvertlist=[] tmpvertlist.add( vector(l/2,l/2,(l/2+l*cos(PI/4))) ) tmpvertlist.add( vector(-l/2,l/2,(l/2+l*cos(PI/4))) ) tmpvertlist.add( vector(l/2,-l/2,(l/2+l*cos(PI/4))) ) tmpvertlist.add( vector(-l/2,-l/2,(l/2+l*cos(PI/4))) ) tmpvertlist.add( vector(l/2,l/2,-(l/2+l*cos(PI/4))) ) tmpvertlist.add( vector(-l/2,l/2,-(l/2+l*cos(PI/4))) ) tmpvertlist.add( vector(l/2,-l/2,-(l/2+l*cos(PI/4))) ) tmpvertlist.add( vector(-l/2,-l/2,-(l/2+l*cos(PI/4))) )

mymeshgeometry.vertexlist=tmpvertlist mymeshgeometry.colorList=[ rgb(255,255,255), rgb(0,255,255) , rgb(255,0,0), rgb(0,0,255)] mymeshgeometry.face[1].vertices=[1,3,2] mymeshgeometry.face[1].colors=[1,1,1] mymeshgeometry.face[2].vertices=[4,2,3] mymeshgeometry.face[2].colors=[1,1,1] mymeshgeometry.face[3].vertices=[2,4,17] mymeshgeometry.face[42].colors=[1,1,1] mymeshgeometry.face[43].vertices=[6,8,5] mymeshgeometry.face[43].colors=[1,1,1] mymeshgeometry.face[44].vertices=[5,8,7] mymeshgeometry.face[44].colors=[1,1,1] mymeshgeometry.generateNormals(#flat) mymeshgeometry.build() mymeshl = member(1).newModel("meshlinks", mymeshgeometry) (member 1 of castLib 1).Model[1].visibility = #both mymeshgeometryx = member(1).newMesh("tetraedru", 4, 4, 0, 1, 1)

myboxgeometry = member(1).newModelResource("cub", #box) myboxgeometry.width = l myboxgeometry.length = l myboxgeometry.height = l mybox = member(1).newModel("cube", myboxgeometry) myboxtexture = member(1).newTexture("cubetexture", #fromCastMember, member("bitmap")) (member 1 of castLib 1).newShader("rot",#standard) (member 1 of castLib 1).Shader[2].textureList[1] = (member 1 of castLib 1).texture[3] (member 1 of castLib 1).Model[3].shaderList = (member 1 of castLib 1).shader[2] member(1).model[3].translate(0, 0, (2*(l+l*cos(PI/4))) , #world) mymeshgeometryz = member(1).newMesh("tetraedruz", 4, 4, 0, 1, 1) mymeshgeometryz.vertexList=[vector(-((l/2)*cos(PI/4)),-((l/2)*cos(PI/4)),-((l/2)*cos(PI/4))),vector(-((l/2)*cos(PI/4)),((l/2)*cos(PI/4)),((l/2)*cos(PI/4))),vector(((l/2)*cos(PI/4)),-((l/2)*cos(PI/4)),((l/2)*cos(PI/4))),vector(((l/2)*cos(PI/4)),((l/2)*cos(PI/4)),-((l/2)*cos(PI/4)))] mymeshgeometryz.colorList=[rgb(255,0,0)] mymeshgeometryz.face[1].vertices=[1,3,2] mymeshgeometryz.face[2].vertices=[2,3,4] mymeshgeometryz.face[3].vertices=[1,2,4] mymeshgeometryz.face[4].vertices=[1,4,3] mymeshgeometryz.face[1].colors=[1,1,1] mymeshgeometryz.face[2].colors=[1,1,1] mymeshgeometryz.face[3].colors=[1,1,1] mymeshgeometryz.face[4].colors=[1,1,1] mymeshgeometryz.generateNormals(#flat) mymeshgeometryz.build() mymeshx = member(1).newModel("tetraederz", mymeshgeometryz) (member 1 of castLib 1).Model[4].visibility = #both member(1).model[4].translate(0, 0, (3*(l+l*cos(PI/4))), #world)

mymeshgeometryx.vertexList=[vector(((l/2)*cos(PI/4)),((l/2)*cos(PI/4)),((l/2)*cos(PI/4))),vector(((l/2)*cos(PI/4)),-((l/2)*cos(PI/4)),-((l/2)*cos(PI/4))),vector(-((l/2)*cos(PI/4)),((l/2)*cos(PI/4)),-((l/2)*cos(PI/4))),vector(-((l/2)*cos(PI/4)),-((l/2)*cos(PI/4)),((l/2)*cos(PI/4)))] mymeshgeometryx.colorList=[rgb(255,0,0)] mymeshgeometryx.face[1].vertices=[1,3,2] mymeshgeometryx.face[2].vertices=[2,3,4] mymeshgeometryx.face[3].vertices=[1,2,4] mymeshgeometryx.face[4].vertices=[1,4,3] mymeshgeometryx.face[1].colors=[1,1,1] mymeshgeometryx.face[2].colors=[1,1,1] mymeshgeometryx.face[3].colors=[1,1,1] mymeshgeometryx.face[4].colors=[1,1,1] mymeshgeometryx.generateNormals(#flat) mymeshgeometryx.build() mymeshx = member(1).newModel("tetraeder", mymeshgeometryx) (member 1 of castLib 1).Model[2].visibility = #both member(1).model[2].translate(0, 0, (l+l*cos(PI/4)), #world)

particleresource=member(1).newModelResource("particles",#particle) particleresource.emitter.minSpeed = 40 particleresource.emitter.maxSpeed = 50 particleresource.emitter.numParticles = 350 particleresource.emitter.tweenMode = #age particleresource.emitter.angle = 90 particleresource.emitter.direction = vector(0.000, -150.000, 0.000 ) particleresource.emitter.region = [vector(-50.000, 0.000, -50.000 ), vector(50.000, 0.000, -50.000 ), vector(50.000, 0.000, 50.000 ), vector(-50.000, 0.000, 50.000 ) ] particleresource.wind = vector(1.000, -50.000, 50.000 ) particleresource.lifeTime = 5000 particleresource.colorRange.start = rgb(0, 255, 255) particleresource.colorRange.end = rgb(255, 255, 255) particleresource.sizeRange.start = 12 particleresource.sizeRange.end = 6 particleresource.blendRange.start = 25 particleresource.blendRange.end = 100 t = member(1).newTexture("tparticle", #fromCastMember, member "particle")t.quality =#lowt.renderFormat = #rgba4444particleresource.texture = t member(1).camera(1).addChild(member(1).newModel("particles1", particleresource)) member(1).camera(1).addChild(member(1).newModel("particles2", particleresource)) member(1).model("particles2").rotate(0,0,180,#parent)endcreate world

sprite(1).camera=member(1).camera("axonometrie")

sprite(2).camera=member(1).camera("camera2")

member(1).model[3].rotate(0, 90, 0, member(1).model[1])

end

Outlook

Stereo images – illusion of 3D Potential not fully used Like in reconstruction on CD in the last

decade, translation from paper into computer application of augmented reality

Rediscovered space

Rediscovered space

Rediscovered space

Rediscovered space

Rediscovered space

Rediscovered space

Rediscovered space

Rediscovered space

Rediscovered space

Student exercise site

Augmented reality

Leebmann 2002

Augmented reality – photo & modell superposition

Leebmann 2004

Superposition of video, laser-scanning and CAD simulation

Potential application

Archeologic reconstruction

Granada 3D Troia 3D

Director

Now and then photography

Rezistenta.net Langenbach (Piranesi) San Francisco 1906 (Arnold Genthe) Indian Mutiny (Felice Beato)

Thank you!