GD115-2 Rendering Part 2-PPT

7/28/2019 GD115-2 Rendering Part 2-PPT

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Rendering Techniques in 3D AutoCAD,

Part 2

David CohnIndependent Consultant


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Pleaseremembertofillout

yourevaluation

form

Thisis

session GD115

2

Evaluation Forms

And, please silence your cell phone.


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David S. Cohn

Independent consultant

Contributing editor Desktop Engineeringcontributing editor

Former editor ofCADalyst, EngineeringAutomation Report and CADCAMNet

Frequent contributor to Computer GraphicsWorld, PC Magazine, and others

Registered architect25+ yearsexperience

AutoCAD experience20+ years

Author of numerous books & articles

President of Eclipse Software


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David Cohn is a Registered Provider with The American Institute

of Architects Continuing Education Systems. Credit earned on

completion of this program will be reported to CES Records forAIA members. Certificates of Completion for non-AIA members

are available on request.

This program is registered with the AIA/CES for continuingprofessional education. As such, it does not included content thatmay be deemed or construed to be an approval or endorsementby the AIA of any material of construction or any method ormanner of handling, using, distributing, or dealing in any materialor product. Questions related to specific materials, methods, and

services will be addressed at the conclusion of this presentation.


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Thisispart2ofaclassthatbegan

earliertoday.

In

part

1we

covered:

HowrenderinghaschangedfromearlierversionsofAutoCAD

Workingwithlights

Sun&

Sky

Background

settings

WorkingwithMaterials(includingcreatingandmodifying

materials)

Previously


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Providesaccess

to

AutoCADs

rendering

commands

Rendercontrolpanel

Render

Render cropped region

Render presets

Render progress

Adjust exposure

Render environment

Advanced render settings

Show render window Sampling limit

Storage location

Output resolution


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Controlledfrom

the

Advanced

Render

Settings

palette

Renderdestination

Window renders to the Render window

Viewport renders to the current viewport


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Controlledfrom

the

Advanced

Render

Settings

palette

Renderprocedure

View renders the current view

Crop renders user-specified window

Selected renders user-selected objects

Orrender

acropped

region

using

the

button

in

the

Render

panel


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Controlledfrom

the

Advanced

Render

Settings

palette

or

Render

panel

OutputResolution

Resolution width and height in pixels

Aspect ratio ratio of width to height


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ThewayamodelisbuilthelpsoptimizerenderingIfnormalsallorientinthesamedirection,youcanspeeduprenderingby

onlyrenderingonesideofeachface

Otherwise,if

some

faces

appear

black

Reconstructmissingfaces

Force2Sided

PreparingYourModel


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Intersectingfaces

can

appear

rippled

CreateBooleanunionbetweenobjects

PreparingYourModel(cont)


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Facesthat

overlap

in

the

same

plane

can

create

weird

results,

esp.

if

differentmaterialsareappliedtothefaces

Movetheobjectsslightlysotheyarenolongercoplanar



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Mesh

density

affects

the

smoothness

of

surfaces. VIEWRES smoothingof2Dlinework

FACETRES meshdensityofcurvedsolids(solidsappearfacetediftoolow)

ActsasamultipleoftheVIEWRESsetting(ie.ifFACETRESequals2,tesselationwillbetwicethat

setbyVIEWRES)



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AutoCAD

comes

with

5

render

presets Draft

Low

Medium

High

Presentation

Youcanchangethesesettings

Youcancreateandsaveyourownrenderpresets

AdjustingRenderingSettings


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The

Advanced

Render

Settings

palette

containsthemainrenderingcontrols

Changesyoumakeoverridetherendering

preset

AdvancedRenderSettings


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Adjustpresets

or

create

your

own

using

the

Render

Presets

Manager

Canmodifyexistingandcreatenew

Canonlydeletecustompresets

CreatingRenderPresets


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Createfog

effect

to

enhance

sense

of

distance

Turnfogon

Specifyfogcolor

Applyfogtobackground

Distanceatwhichfogbegins

Distanceatwhichfogends

Opacityoffogatneardistance

Opacityoffogatfardistance

ControllingtheRenderEnvironment


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Eachtimeyouplaceacamera,AutoCADcreatesanamedview

Selectthecameraglyphtoseeapreview

Adjusttheviewstyleusedtodisplaythecameraview

PlacingCamerasandCreatingViews

Mucheasierthaninpreviousversions


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Controlview

name

and

properties

using

the

Properties

palette

or

theViewManagerdialogbox

CameraViews(cont)


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Associateabackgroundwithacameraview

CameraViews(cont)


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YoucansaverenderingsasBMP,PCX,TGA,TIF,JPG,orPNGfiles.

RenderingtoaFile bypassthescreentouseresolutionshigherthanyourdisplay

SavingaViewportRendering ifyourendertoaviewport,savetheimageusingthe

SAVEIMGcommand

SavingfromtheRenderWindow selecttheimagefromthehistorylist,rightclick,andchooseSaveorSaveAs.

SavingRenderedImages


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Navigate

through

your

model 3DWALK keepscameraatconsistentheight 3DFLY letsyouchangethecameraheight

CreateWalkthroughsandFlythroughs


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Youcanrecordyourmovementsandthensavethewalkthroughor

flythroughtoananimationfile.

Controlvisualstyle(incl.rendering)

Resolution

Framerate

Format

WalkthroughsandFlythroughs(cont)


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ANIPATHletsyoudefinecameraandtargetpathsandcontrolresultinganimation.

FlythroughusingANIPATH


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Youmay

not

need

to

ever

changes

these,

but

Materials

Sampling

Shadows

Ray

Tracing IndirectIllumination

Diagnostics

AdvancedRenderSettings


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Although there are far more rendering tools available in

3ds max that you can use to create more sophisticated

renderings and animations, AutoCAD does provide all of

the basic tools you need for creating professional,photorealistic image and animations.

Conclusion


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Pleaseremembertofilloutyour

evaluationform

Thisis

session GD115

2

Evaluation Forms

Th C tifi ti i F


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The Certification is Free.

The Benefit is Invaluable.

Free Autodesk Certification during AU

No exam fee (worth up to $125)

Get a free, internationally recognized credential

The offer is valid for six months after AU at participatingAuthorized Autodesk Training Centers in Canada and the US

What to do

When you arrived and registered at AU, you received

a voucher that waives the exam fee Go to Zeno 4710, present the voucher, take the exam.

But dont delay. Exam space is limited at AUits first come, first served

Certification exams are available for:

AutoCAD, AutoCAD Architecture, AutoCAD Civil 3D,Autodesk Inventor and Revit Architecture

Get Certified. Get Ahead.


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Tocontactme:

DavidS.Cohn

711

Chuckanut

Drive

NorthBellingham,WA982296921

3607330711

mailto:[email protected] (incl.handoutonline)

www.cadmando.blogspot.com

Questions&Answers

This concludes the American Institute of ArchitectsContinuing Education Systems Program


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Documents

GD115-2 Rendering Part 2-PPT