Surface Detail and Non-PhotoRealistic Rendering Lecture 3 (Rendering)
GD115-2 Rendering Part 2-PPT
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Transcript of 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
PreparingYourModel(cont)
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Mesh
density
affects
the
smoothness
of
surfaces. VIEWRES smoothingof2Dlinework
FACETRES meshdensityofcurvedsolids(solidsappearfacetediftoolow)
ActsasamultipleoftheVIEWRESsetting(ie.ifFACETRESequals2,tesselationwillbetwicethat
setbyVIEWRES)
PreparingYourModel(cont)
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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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