Interactive User Guides Four Basic

8/6/2019 Interactive User Guides Four Basic

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InteractIve User GUIde

Four Basic Workows or Studio 10

the magic o making it simple


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Geomagic Studio 10 2008 Geomagic, Inc. 2

Proprietary and Restricted Rights Notice

Inormation in this document is subject to change without notice. No part o this document

may be reproduced in any orm or by any means including photocopying, recording, or mi-

croflming, or by any inormation storage and retrieval system including a web site, without

the written permission o Geomagic, Inc. No liability is assumed by Geomagic, Inc. with

respect to the use o the inormation contain herein. While every precaution has been taken

in the preparation o this document, Geomagic, Inc. assumes no responsibility or errors or

omissions that may appear. Reerences in this document do not constitute an endorsement

o any products or services.

2008 Geomagic Inc. All rights reserved

Geomagic, the Geomagic logo, Geomagic Studio, Geomagic Qualiy, Geomagic Review,

Geomagic Blade, Geomagic Fashion, Geomagic eShell and the magic o making it

Simple are either trademarks or registered trademarks o Geomagic, Inc.

Other company and product names reerenced herein may be trademarks or registered

trademarks o their owners.

Guide History

d rii

March 2008

March 2008

First Release

Second Edition


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http://www.geomagic.com

http://support.geomagic.com

http://training.geomagic.com

[email protected]

[email protected]

[email protected]

[email protected]

About Geomagic Inc.

Geomagic, Inc. is a worldwide sotware and services company headquartered in Research

Triangle Park, North Carolina (U.S.A.), with subsidiaries in Europe and Asia and distributors

worldwide. Geomagic is the market leader in digital shape sampling and processing (DSSP)

with a vision o mass customization, technology innovation, and business perormance.

Geomagic sotware enables customers to accelerate product development cycles and ensure

quality at every step. More than 5,000 proessionals use Geomagic sotware and servicesacross diverse industries including automotive, aerospace, medical, and consumer products.

Wb siGeomagic, Inc.

Technical Support

Training

ei a

Technical Support

Training

Services

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Contact Inormation

Geomagic, Inc.

P.O. Box 12219

Research Triangle Park, NC 27709 USA

Phone: +1 (800) 251-551 or +1 (919) 474-0122

Fax: +1 (919) 474-0216
http://www.geomagic.com/http://support.geomagic.com/http://training.geomagic.com/http://[email protected]/http://[email protected]/http://[email protected]/http://[email protected]/http://[email protected]/http://[email protected]/http://[email protected]/http://[email protected]/http://training.geomagic.com/http://support.geomagic.com/http://www.geomagic.com/


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tb c

1 GUIde descrIptIon

1.1 Iui

2 FoUr FUndamental WorkFloWs

2.1 pi ph

2.2 pyg ph

2.2.1 Optional Output Steps

2.2.1.1 Saving the Polygon Object or use by Other Apps2.2.1.2 Exporting a Profle rom a Polygon Object

2.2.2 Choosing the Next Phase

2.3 sh ph

2.3.1 Shape Phase with Emphasis on Curved Regions

2.3.2 Shape Phase Legacy Workow

2.4 Fhi ph

2.4.1 Initial Steps

2.4.2 Fashion Phase with Output o Trimmed Suraces

2.4.3 Fashion Phase with Output o Untrimmed Suraces

5

5

8

8

11

12

1212

13

13

14

16

18

19

20

23


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GUIde descrIptIon

This Guide leads an advanced beginner through our undamental workows o Geomagic

Studio 10. The goal is to highlight the dierences and expected results o each workow,

enabling you to choose the best workow or a real-lie project.

The Guide requires Geomagic Studio 10 with the Capture, Wrap, Shape, and Fashion mod-

ule licenses. Its flled with live links to data fles and Online Help, so it is best viewed rom

the Geomagic web site rather than in printed orm.

1.1 Introduction

The our undamental workows are:

Precise reproduction of underlying data with emphasis on curved regions (data

capture, cleanup, conversion to a polygon object, refnement o the polygon object,

suracing with the Detect Contours method in the Shape Phase, and exporting to CAD).

An advantage o this technique is that the resulting CAD object has distinct aces or the

curved regions, thus allowing curved regions to be urther engineered in the externalsystem i necessary. See section 2.3.1, Shape Phase with Emphasis on Curved Regions.

Precise reproduction of underlying data (legacy workow) (data capture, cleanup,

conversion to a polygon object, refnement o the polygon object, and suracing with the

Detect Curvature method in the Shape Phase). This is a legacy workow that customers

fnd useul in certain situationsPrecise reproduction o underlying data with emphasis

on curved regions is typically preerred over this workow. See section 2.3.2, Shape

Phase Legacy Workow.

Optimized reproduction of underlying data with output of trimmed surfaces (data

capture, cleanup, conversion, refnement, and suracing with the Detect Contours and

Create Trimmed Suraces method in the Fashion Phase). The purpose o this techniqueis to capture an objects design intent by generating a complete set o CAD aces

(representing both the primary suraces and the connectors between primary suraces).

See section 2.4.2, Fashion Phase with Output o Trimmed Suraces.

Optimized reproduction of underlying data with output of untrimmed surfaces (data

capture, cleanup, conversion, refnement, and suracing with the Detect Contours and

Extract Untrimmed Suraces method in the Fashion Phase). CAD aces reecting pri-

mary suraces are generated, but not the aces or transitions between those suraces.

The Extract Untrimmed Suraces command and this workow exist only as a shortcut to

one o the results that can be obtained rom Create Trimmed Suraces. See section

2.4.3, Fashion Phase with Output o Untrimmed Suraces.

1

Preerred

Workfow

Preerred

Workfow


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In Geomagic Studio, an object always exists in one o several Phases:

Point Phase: the state o an object when it is a collection o scanned points.

Polygon Phase: the state o an object when its appearance is approximated by drawing a

triangular surace between every three data points.

Surface Phase (either Shape Phase or Fashion Phase): the state o an object when areproducible surace is being applied over its underlying polygon mesh.

CAD Phase: the state o an object when it is ready or trimming or or Boolean operations

to be perormed.

The phases and our undamental workows are illustrated in Figure 1.


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Ordered Point Data Geomagic Studio

(imported, or rom Plugin)

pi ph

Reduce Noise

Manual Registration

Global Registration

Merge Point Objects

Wrap

pyg ph

Fill Holes

Repair Intersections

Clean

Optional Output Steps

Surace Phase

Shape Phase Fashion Phase

Make Maniold/Open

s a

(.stl, .igs

or .obj)

SpecializedOutput

Extract Untrimmed

Suraces

Create Trimmed

Suraces

s a(.igs or .stp)

Precise reproduction

with emphasis on

curved regions


with legacy workow

Optimized

reproduction

with output o

trimmed suraces

Optimized

reproduction

with output o

untrimmed suraces

s a(.igs or .stp)

s a(.igs or .stp)

s a(.igs or .stp)

Fhi phsh ph

Detect Contours

Edit Contours

Extend/Adaptive

Edit Extensions

Detect Contours

Edit Contours

Detect Contours

Subdivide/Extend Contours

Construct Patches

Construct Grids

Fit Suraces

Optional: CAD Phase

Detect Curvature

Shue Curvature Lines

Construct Patches

Shue Panels

Construct Grids

Fit Suraces

Optional: CAD Phase

Figu 1. Phases and Four Basic Workows o Geomagic Studio 10


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2 FoUr FUndamental WorkFloWs

The instructions in this document use example fles available rom the Geomagic web site.

To obtain the examples, download the data fles rom the web page on which you ound

this Guide to a directory o your choice. Double-click it to extract the example fles that are

reerenced in this Guide, then start Geomagic Studio 10.

It is possible to open the frst fle, ollow the instructions careully, and complete a workow

without opening another fle. But each step also mentions a specifc fle name that provides

a new starting point. For example, the result o steps applied to Handle1.wrp in Step 1 can

be checked by opening Handle2.wrp.

The Point Phase procedure explains how to register

and merge two point objects into a single object, and

represent that object as a polygon object.

The typical way to begin is to obtain one or morePoint objects, either by creating them with a scanner

plugin or by opening an existing Point object fle. The

Guide Dog gets you started by oering an existing

Point object fle.

These steps are common to all our workows

described in this document.

s 1. Open Handle1.wrp in Geomagic Studio 10.

This object contains two scans: Underside

and Topside.

pi ph

Reduce Noise

Manual Registration

Global Registration

Merge Point Objects

Wrap

2.1 Point Phase


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s 2. Select the Underside scan in the Model

Manager. Use the selection tools to highlight (in red)

and delete the tabletop rom Underside.

s 3. Select the Underside and Topside scans in

the Model Manager. These objects contain extrane-

ous data points, so use Points > Reduce Noise with

Prismatic Shape selected to reduce noise on bothobjects. To perorm the reduction, simply press

ay and then ok. It is oten necessary to use

ei > s > oui and then delete the outliers.
http://www.geomagic.com/en/techpublications/onlinehelp/studio10/POINTSmenu/Reduce_Noise.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/POINTSmenu/Reduce_Noise.htm


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s 4. With Handle2.wrp, useTools > Registration > Manual Registration to achieve a

rough registration o the two halves. Pick Topside as the Fixed object, and Underside

as the Floating object. Use n-Point Registration and pick at least three points on the Fixed

and the same three points on the Floating, then press rgi and ok. The parts

become aligned.

s 5. Select Tools > Registration > Global

Registrationto lock the two halves tightly. Ater you

press ay and ok, the halves are well registered

but remain as separate objects (as shown to the right).

At this stage, the object appears to be a smooth

suraceincreasing the magnifcation on the objectstill reveals the points.

The two halves are locked tightly

together ater registration.
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s 6. With Handle3.wrp, use Points > Merge Point Objects to create a single point

object that represents the whole door handle. When prompted, name the single object

WholeHandle.

s 7. With Handle4.wrp, usePoints > Uniorm Sample to create an evenly dense point

cloud. Accept the deault settings, then press ay and ok.

s 8. Create a polygon objectby using Points > Wrap. Use a

Surace Wrap, set the Target

Triangles to 220,000, and set

Noise Reduction to Medium.

(This noise reduction supple-

ments the reduction perormed

earlier.) To minimize the amount

o data in the Model Manager,

uncheck Keep Original Data.

The Point Phase is now complete. The object has become a Polygon object.
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2.2 Polygon Phase

The steps in the Polygon Phase walk you through cleaning up the polygon object in prepa-

ration or moving to the Surace Phase or or exporting specialized outputs.

s 1. With Handle5.wrp, use

Polygons > Fill Holes to intelli-

gently fll the gaps in the polygon

surace. For best results, start by

flling the largest hole individually

by clicking on its border and use

Flat Filling.

s 2. All remaining holes, even tiny and unnoticeable ones, can be flled simultaneously

by pressing Fi a with Curvature-Based Filling.

s 3. Use Polygons > Clean to clean up the polygon urther. For additional cleanup

tools, see the Help or the Polygons Menu.

s 4. With Handle6.wrp, use Polygons > Repair Intersections in Deeature mode to

delete and replace disorganized triangles that are remnants o the hole-flling process.

Beore Fill Holes(let) and ater fll (right)

pyg ph

Fill Holes

Repair Intersections

Clean

Optional Output Steps

Surace Phase

Shape Phase Fashion Phase

Make Maniold/Open

s a

(.stl, .igs

or .obj)

Specialized

Output
http://www.geomagic.com/en/techpublications/onlinehelp/studio10/POLYGONSmenu/Fill_Holes1.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/POLYGONSmenu/Clean.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/POLYGONSmenu/Clean.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/POLYGONSmenu/Repair_Intersections.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/POLYGONSmenu/Repair_Intersections.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/POLYGONSmenu/Clean.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/POLYGONSmenu/Fill_Holes1.htm


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s 6. With Handle7.wrp, use Polygons > Clean

and check the sh checkbox. (Theres no fxed seto commands that must be perormed on all Polygon

objectssubsequent steps on this door handle are

optimized by this smoothing step.)

The object is now a highly refned Polygon object that is ready to be taken to one o the

Surace Phases (Shape Phase or Fashion Phase) or to be exported using one o the optional

output steps.

2.2.1 Optional Output Steps

Typically, users will continue directly to one o the Surace Phases. There are at least two

commonly used fles which are exported at this point: saving the polygon object as-is as a

.stl or .obj fle and exporting a section rom a polygon object.

2.2.1.1 sig h pyg obj u by oh a

Many external sotware packages accept an .stl or .obj representation o a polygon object.

To create one now, right-click the WholeHandle object in the Model Manager, then select

s, and Save Asty .stl or .obj.

2.2.1.2 exig pf pyg obj

A two-dimensional section o the Polygon object can also be exported now so that a 3D

solid can be reconstructed in an external CAD system. This is a common side usage o

Geomagic Studio.

s 1. Start by creating a section using Polygons > Curves by Section. Pressing cu

and okgenerates a Curves object in the Model Manager.

s 2. Right-click the object in the Model Manager and save it with a fle type

o .obj or .igs.

s 5. UsePolygons > Make Maniold Open to orce all triangles to be connected on all

three sides. Now use Repair Intersections in the Clean/Relax mode (which tends to at-

ten the array or triangles), thenMake Maniold Open again. Repeat pyg > ri

Ii in Deeature mode. Veriy that ri Ii has detected Zero

bad intersections and then use pyg > m mi o or the last time.
http://www.geomagic.com/en/techpublications/onlinehelp/studio10/POLYGONSmenu/Clean.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/POLYGONSmenu/Clean.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/FILEmenu/Save_As.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/FILEmenu/Save_As.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/POLYGONSmenu/Curves_by_Section2.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/POLYGONSmenu/Make_Manifold.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/POLYGONSmenu/Make_Manifold.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/POLYGONSmenu/Repair_Intersections.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/POLYGONSmenu/Make_Manifold.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/POLYGONSmenu/Make_Manifold.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/POLYGONSmenu/Make_Manifold.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/POLYGONSmenu/Repair_Intersections.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/POLYGONSmenu/Make_Manifold.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/POLYGONSmenu/Curves_by_Section2.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/FILEmenu/Save_As.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/POLYGONSmenu/Clean.htm


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2.2.2 chig h nx ph

Once the Polygon Phase has been completed, the next step is to move to either the Shape

or Fashion Phase.

s 1. Open Handle8.wrp and press the su

ph icon. Depending on the intended workow,

click the sh ph or Fhi ph icon. In ei-ther case, pick Create New Patch Layout, and press

ok.

For the sh ph (with Emphasis on Curved

Regions or Legacy Workow), continue at

section 2.3.

For the Fhi ph (with Output o Trimmed or

Output o Untrimmed), continue at section 2.4.

2.3 Shape Phase

Producing a good surace during Shape Phase requires creating an object with a good

patch structure with regularly shaped patches (i.e., rectangular shaped without severe or

multiple-curvature changes) that fll spaces efciently.

The basic steps or Shape Phase are illustrated in the owchart on the next page. The frst

column depicts steps to produce a precise reproduction o an object with the emphasis on

curved regions. The second set o steps places no emphasis on curved regions.

For the Shape Phase with Emphasis on Curved Regions, start at section 2.3.1.

For the Shape Phase Legacy Workow, start at section 2.3.2.


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s a

(.igs or .stp)


with emphasis on

curved regions


with legacy workow

s a

(.igs or .stp)

sh ph

Detect Contours

Subdivide/Extend Contours

Construct Patches

Construct Grids

Fit Suraces

Optional: CAD Phase

Detect Curvature

Shue Curvature Lines

Construct Patches

Shue Panels

Construct Grids

Fit Suraces

Optional: CAD Phase

At this point, yellow contour lines are present on the centerlines o the estimated

curved regions.

2.3.1 Shape Phase with Emphasis on Curved Regions

The steps in this section produce a precise reproduction o the original object with empha-

sis on the precision o the curvy parts.

s 1. With HandleShape1.wrp, use Contours > Detect Contours. For the purpose o this

Guide, ignore the warning by pressingY. Press the cu rgi button. The red

separator bands represent the sotwares estimate o the location o curved regions. Dragand Ctrl-drag the mouse to paint the separators as pictured in the third fgurethe goal

being to put red separator bands where you would expect to see seams on an upholstered

chair. Press the ex button to generate yellow contour lines.
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s 2. Now that yellow contour

lines appear on the centerlines

o estimated curved regions, the

estimated location o curved

regions need to be converted

into actual locations o curved

regions. With HandleShape2.wrp,

use Contours > Subdivide/Extendto lay contour patches on the

curved regions. Put the command

in Extension mode (not

Subdivision mode) and press ok.

Contour patches defne where the

surace will be reproduced with the

greatest precision.

s 3. With HandleShape3.wrp,

use the Fi ey p button

oPatches > Shue > Panels to fllthe spaces between the contour

patches. Press ok.

s 4. With Hsh4.

wrp, use Grids > Construct Grids.

Press ay. I the resulting grids

are tangled and thereore are

displayed in red rather than blue,

reduce the rui to about 17

and try again. Press ok. The grids

serve as a bed or the NURBS

surace that will be generated in

the next step.

Beore Subdivide/Extend(let) and ater (right)

Beore Shufe Panels(let) and ater (right)

Beore Construct Grids(let) and ater (right)
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s 5. Use NURBS > Fit Suraces. Accept the deault settings, then press ay and ok.

s 6. Use NURBS > To CAD Phase.

s 7. Save CAD the object as .igs or .stp or urther processing by an external system.

The Shape Phase with emphasis on curved regions objective is complete.

2.3.2 Shape Phase with Legacy Workow

The steps in this section produce a precise reproduction o the original object with no par-

ticular emphasis on curved regions.

s 1. Make sure you perormed Step 1 o Section 2.2.2.

s 2. Still with Handle8.wrp, use Contours > Detect Curvature. Set the tg to 500

curvature lines and cuu l to 0.25. Press ay and ok. The resulting black lines

represent candidates or promotion to orange panel demarcation lines in the next step.

s 3. With HandleShapeA.wrp, useContours > Shue Curvature Lines to achieve an

optimal set o orange panel demarcation lines. Optimal orange lines resemble the seams

on a urniture slip-cover. The art o shuing curvature lines is to convert certain black lines

to orange so that the resulting set o orange lines resembles the seams on a slip-cover.

In Promote/Demote mode, promote some black lines to orange by clicking them (and

Ctrl-Click to make some orange lines black).

In Flip Path mode, change the direction of existing black lines so they become more

likely candidates or promotion to orange.

When complete, press ok.

Beore Shufe Curvature Lines(let) and ater (right)

s 4. With HshB, use Patches > Construct Patches. Set the Target Patch

Count to 100.
http://www.geomagic.com/en/techpublications/onlinehelp/studio10/NURBSmenu/Fit_Surfaces.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/NURBSmenu/To_CAD_Phase.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/CONTOURSmenu/Detect_Curvature.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/CONTOURSmenu/Shuffle_Curvature_Lines.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/CONTOURSmenu/Shuffle_Curvature_Lines.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/PATCHESmenu/Construct_Patches.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/PATCHESmenu/Construct_Patches.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/CONTOURSmenu/Shuffle_Curvature_Lines.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/CONTOURSmenu/Detect_Curvature.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/NURBSmenu/To_CAD_Phase.htmhttp://www.geomagic.com/en/techpublications/onlinehelp/studio10/NURBSmenu/Fit_Surfaces.htm


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Beore Shufe Panels(let) and ater (right)

The fgures below are close-ups o a panel during the Shufe Panels command.

Figure A is o the panel ater clicking it to activate it or subsequent actions.

Figure B is o the panel ater clicking the let end in a/d 2 ph mode. Note that each

pair o opposing sides now has an equal number o path lines (even though they

are tangled).

Figure C is o the panel ater setting the ty to Grid and pressing exu.

The goal is to make all panels more orderly by this technique.

Figure A Figure B Figure C

s 5. With Hshc, use

Patches > Shue > Panels to make

the patches more orderly.
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s 6. With Hshd,

use Grids > Construct Gridswith

rui o 20. The grids serve

as a bed or the NURBS surace

that will be generated in the

next step.

Beore Construct Grids(let) and ater (right)

s 7. Use NURBS > Fit Suraces with Adaptive ftting.

s 8. Optionally, useNURBS > To CAD Phase to perorm additional work on the

CAD object.

s 9. Save the CAD object as .igs or .stp or urther processing by an external system.

This object is an accurate reproduction o the scanned data.

The Shape Phase Legacy Workow is complete.
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Extract Untrimmed

Suraces

Create Trimmed

Suraces

Optimized

reproductionwith output o

trimmed suraces

Optimized

reproductionwith output o

untrimmed suraces

s a

(.igs or .stp)

s a

(.igs or .stp)

Fhi ph

Detect Contours

Edit Contours

Extend/Adaptive

Edit Extensions

Detect Contours

Edit Contours

2.4.1 Iii s

Once in Fashion Phase, the icon on the WholeHandle object in the Model Manager has

changed to the Fashion Phase icon.

s 1. With Handle8.wrp, run Contours > Detect Contours. For the purpose o this Guide,

ignore the warning by pressingY. Compute the regions. Red separators appear on the

model. The red separators represent the estimated position o uture connection suraces.A wide red separator indicates that the uture connection surace is wide, and a narrow red

separator indicates that a uture connection surace is narrow. Adjust the width o red sepa-

rators to reect the intended uture width o connection suraces.

2.4 Fashion Phase

The Fashion Phase lets you extract CAD-like suraces. The procedures illustrated in this sec-

tion produce two dierent outcomes:

optimized reproduction with output of trimmed surfaces (see section 2.4.2) and

optimized reproduction with output of untrimmed surfaces (see section 2.4.3).

The initial steps in Fashion Phase are common to both work ows. Follow the steps below

and then continue the appropriate section.
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Beore adding the additional separators (let) and

ater (right)

s 3. Make sure Detect Sharp Contours is

not checked, and press the ex button to

lay yellow contour lines in the middle o the redseparator bands. These represent the center-

lines o the estimayed position o connection

suraces. Close the dialog by pressing ok.

s 4. Go to the appropriate section:

For the Fashion Phase with Output of Trimmed Surfaces, continue at section 2.4.2.

For the Fashion Phase with Output of Untrimmed Surfaces, continue at section 2.4.3.

2.4.2 Fashion Phase with Output of Trimmed Surfaces

Once in Fashion Phase, the icon on the WholeHandle object in the Model Manager has

changed to the Fashion Phase icon.

s 2. (Press Ctrl-V to ensure the

application is in Select Visible

mode). Ctrl-Let-Click and drag the

mouse to make the red separators

more distinct in the wedge areas,

and Shit-Let-Click and drag the

mouse to add separators near

the barrel as shown. Make the redseparators as clean as possible.


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Contours > Edit Contours to

add contour lines that may have

been missed by Contours >

Detect Contours. (The frst time

an object is loaded into ei

cu, its necessary to press

subii and a beorecontinuing.) Add contour lines to

match those in Handle10.wrp.

The goal is to divide the overall

surace into distinct regions, as i

designing the slipcover or chair. During the editing o contours (let) and ater (right)


Contours > Extend > Adaptive

to create extensions. Do not use

ex > Ui in the

Fashion Phase. The illustration

in the next step shows a close-

up o the extension lines.

s 3. With Handle11.wrp,

use Contours > Edit Extensions.

For the purpose o this Guide,

ignore the warning by pressing

Yes. Relax yellow contour lines

and black extension lines to get a

precise delineation between fllets

and ats. Use other operations

o this command as necessary.

s 4. With Handle12.wrp, use Suraces > Create Trimmed Suraces. Primaries are main

suraces that determine the overall shape o an object. Connections are narrow suraces that

join two or more Primaries and lie on the extensions that were careully laid out in

previous steps.

piy

ci

Use the Classiyoperation with

AutoDetect to discover whether

each Primary most closely resem-

bles a plane, cylinder, cone, sphere,

extrusion, drated extrusion, or

reeorm. I necessary, overrideclassifcations as in

Handle13.wrp. (In this example,

every surace should be a plane

(light green), except the two ree-

orms (salmon) on the cam-shaped

area, and the two cylindricals (yel-

low) on the inside o the handle.)Beore overriding classifcations (let) and ater (right)
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s 5. Use the Fit Primaries operation and press Fi a to produce results similar to the

example illustrated in Figure 2.

s 6. Now use Fit Connections operation and Fi a connections to produce results

similar to the example illustrated in Figure 3.

s 7. Use the Trim/Stitch operation and click Preview to view the stitched object. The

object should appear similar to the one illustrated in Figure 4.

Figu 2. Fit Primaries > Fit All Figu 3. Fit Connections >

Fit All

Figu 4. Trim/Stitch

Preview

s 8. Preview the untrimmed

primaries and trimmed primaries.

s 9. Create either kind o object by setting a radio button and pressing c. Export

the Stitched Model rom the Model Manager to an external CAD system or urtherprocessing (by right-clicking the object in the Model Manager and saving it as .igs or .stp).

The Fashion Phase with Output o Trimmed Suraces is complete.

Untrimmed primaries (let) and trimmed primaries

(right) previews.
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Press Ctrl-A to select suraces or the next step.

Beore the Classiy operation (let) and ater

completing the classifcation (right)

2.4.3 Fashion Phase with Output of Untrimmed Surfaces

The goal o this workow is to generate a set o untrimmed primary suraces, but not the

connection suraces, so the steps related to calculating the position o connectors are not

necessary. Namely, it is not necessary to extend the yellow contour lines.

Beore editing contours (let), and ater adding

contour lines (right).


Contours > Edit Contours toadd contour lines that may have

been missed byContours >

Detect Contours. (The frst time

an object is loaded into ei

cu, its necessary to press

subii and a beore

continuing.) Add contour lines to

match those in Handle10.wrp.

The goal is to divide the overall

surace into distinct regions, as i

designing the slipcover or chair.

s 2. With Handle10.wrp, use Suraces > Extract Untrimmed Suraces. Create Trimmed

Suraces deals with connectors, while ex Ui su does not, so it does not

have the Fit Connectors or Trim & Stitch operations.

s 3. Use the Classiy operation

with Autodetect. I necessary,

override classifcations as pictured

in Handle10B.wrp. (All regions

should be defned as planes

except the two ree-orms on the

cam-shaped part, and the two

yellow cylindricals on the inside

o the handle.)
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s 4. Use the Fit Primaries operation and press Fi

a. The model will change to something similar to the

one pictured here.

Careully compare this screen shot to Step 5 o

section 2.4.2. This example does not have connectors:

connectors are irrelevant to the purpose oSuraces >

Extract Untrimmed Suraces.

s 5. Use the Create Object operation to Preview

the Untrimmed Primaries, as shown here.

The result oSuraces > Extract Untrimmed Suracesis the same as that rom Suraces > Create Trimmed

Suraceswith the Untrimmed Suraces option, but the

advantage o the ex Ui su work-

ow is that it oers a number o shortcuts.

s 6. Press c to put the untrimmed object

into the Model Manager.

s 7. Right-click the object in the Model Manager

to save it as an .igs or .stp fle or use in an external

CAD system.

The Fashion Phase with Output o Untrimmed Suraces objective is complete.
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