dynamic sketcher
TRANSCRIPT
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Copyright DASSAULT SYSTEMES 1999
Dynamic Sketcher - Course
Version 4 Release 2.3
August 2000
FOR-E-TRSKE-03-AL
Dynamic Sketcher
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Dynamic Sketcher
Course Schedule
Morning Afternoon
Day 1 Modules:
Sketching the Profile Defining Geometric & Dimensional Constraints
Modifying the Profile
More about Sketcher
Associated exercises
Practice on the scenarios provided in the exercise
database of the Dynamic Sketcher course
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Dynamic Sketcher
E.P.S.S.
Task Description Tools Practice on...
General
Introducingthe Dynamic Sketcher
Startingthe Dynamic Sketcher Tools (Menubar)+ Sketcher - /ske - Ctrl + K
- SOLIDE+ CREATE + icon
Profile (3)
Sketching a profile
Creating contours
Drawing freehand
Creating rounded corners
Creating chamfers
Creating points
Creating lines
Creating circles/arcs
Creating ellipses
Creating rectangles
Creating connect curves
Dynamic Sketcher + icon
Dynamic Sketcher + icon
Dynamic Sketcher + icon
Dynamic Sketcher + icon
Dynamic Sketcher + icon
Dynamic Sketcher + icon
Dynamic Sketcher + icon
Dynamic Sketcher + icon
Dynamic Sketcher + icon
Dynamic Sketcher + icon
Profile (1)- Guide (1)- Collar (1)- Pulley (1)
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Profile (1)- Profile (3)
Collar (3)
Guide (1)- Collar (1)
Guide (3)- Collar (1)
Profile (1)- Profile (3)- Collar (1)- Collar (3)
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Dynamic Sketcher
Managing a profile
Using the compass
Savingthe profile
Cancelling the previous actions
Deletinggeometry
Viewinggeometry
Selectingelements
Dynamic Sketcher +
Dynamic Sketcher + icon - File + Save - Ctrl + S
Dynamic Sketcher + icon - Edit + Undo - Ctrl + Z
Dynamic Sketcher + icon
Dynamic Sketcher + icon - & mouse keys
View + Reframe/Reframe at/Zoom at
Dynamic Sketcher + icon
Profile (3)
Profile (2)- Guide (3)
Profile (2)
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Profile (2)
Defining dimensional constraints
Defining a length
Defining a radius
Defining an angle
Defining a distance
Copying/pastinga dimension
Defining a driving/driven dimension
Defining dimensions automatically
Detecting over-dimensioning
Dynamic Sketcher + icon
Dynamic Sketcher + icon
Dynamic Sketcher + icon
Dynamic Sketcher + icon
Dynamic Sketcher + or menu
Dynamic Sketcher + or menu
Dynamic Sketcher + menu
Dynamic Sketcher
Profile (2)- Collar (3)
Profile (2)- Guide (3)- Collar (2)
Profile (2)- Guide (3)
Profile (2)- Pulley (2)
Profile (2)- Guide (3)- Collar (1)- Pulley (2)
Profile (3)
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Profile (3)
Task Description Tools Practice on...
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Dynamic Sketcher
Defining geometric constraints
Fixelements
Horizontal/verticalline
Coincidentelements
Concentriccircles/arcs
Tangentelements
Parallelelements
Perpendicularelements
Distancebetween elements
Evaluatecurrent element
Defining geometric constraints
automatically Detecting over-constrained geometry
Dynamic Sketcher + menu
Dynamic Sketcher + or menu
Dynamic Sketcher + menu
Dynamic Sketcher + menu
Dynamic Sketcher + menu
Dynamic Sketcher + menu
Dynamic Sketcher + menu
Dynamic Sketcher + menu
Dynamic Sketcher + menu
Dynamic Sketcher + menu
Dynamic Sketcher
Guide (2)
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Profile (3)- Guide (2)- Collar (1)
Profile (2)- Guide (1)- Guide (2)- Collar (2)
Profile (1)- Guide (1)- Collar (2)- Pulley (2)
Profile (1)- Pulley (1)
Profile (2)
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Profile (3)
Modifying a profile
Breakingelements
Relimitingelements
Editingelements
Sketcher/Solid integration
Dynamic Sketcher + icon
Dynamic Sketcher + icon
Dynamic Sketcher + icon
Dynamic Sketcher - SOLIDE
Profile (3)
Profile (3)
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Profile (3)- Guide (4)- Collar (4)
Customizing the Dynamic Sketcher
Customizing settings
Color meaning
Pickingelements
Settings + Settings
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Ctrl + R - Ctrl + E
Profile (1)
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Task Description Tools Practice on...
http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://-/?-http://-/?-http://-/?-http://-/?-http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://-/?-http://ske0x.pdf/http://ske0x.pdf/http://-/?-http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://-/?-http://-/?-http://-/?-http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/http://ske0x.pdf/ -
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Dynamic Sketcher
Course Introduction
In order to take full advantage of thiscourse you must first go to the:
Exercises- On industrial cases- Gradual level of difficulty
Course Modules- Main concepts- Associated exercise
The Dynamic Sketcher is a CATIAproduct which allows you to easilycreate and edit 3D planar contours.
Learning path:
You can create and editthese planar contourswith greater ease of use
through direct, mouse-driven manipulation.
Contours can then beused to generate solidand surface geometry.
then
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Dynamic Sketcher
Course Modules
Defining Geometric
& Dimensional
Constraints
Sketching the
Profile
Here you will learn how to use the Dynamic Sketcher. You will sketcha profile and create a solid part from the profile. You will then edit the
profile and update the solid part.
More aboutSketcher
Modifying the
Profile
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Dynamic Sketcher - Sketching the Profile
Dynamic Sketcher
The Dynamic Sketcher allows youto draw any profile to define a 3Dfeature as easily as you would drawfree hand.
The Sketcher allows you to create contours,points, lines, arcs, circles, corners andchamfers. You can undo your previous stepsand erase geometry. Once you have thedesired profile, you can save it to your CATIA
session.
You can add dimensional andgeometric constraints both
during and after sketching.
Planar profiles created withthe Sketcher can be used inthe CATIA 3D world forcreating solids and surfaces.
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Dynamic Sketcher - Sketching the Profile
Starting the Dynamic SketcherThe Dynamic Sketcher can bestarted from a CATIA session,through the Tools menu.......
....using Ctrl + K...
.... with the /ske command.....
....or by selecting the Sketchericon in the SOLIDE function.
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Dynamic Sketcher - Sketching the Profile
Creating Geometry (1)
You can create a circle bydefining the center of the
circle and dragging to defineits radius. Or you can definethree points of an arc.
You can create points, linesellipses and rectangles.
You can create rounded cornersand chamfers between consecutive
lines, arcs or circles.
You can draw freehandas the system
recognizes contoursand constraints.
You can create contourscomposed of consecutive
lines,arcs and curves.
You can create and editgeometric and dimension
constraints.
You can create connect curves between two
curves, arcs, circles or lines. The connectingcurve respects point continuity and tangent and
curvature continuity, if necessary.
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Dynamic Sketcher - Sketching the Profile
Creating Geometry (2)
The compass is an intuitive,easy-to-use tool designed to quickly
create horizontal and vertical lines. Byre-orientating the compass, it also
allows you to define lines parallel toexisting angled lines.
Saves current workand updatesgeometry to CATIA.
Cancels previous actionsallthe way to the beginning ofthe Sketcher session.
Deletes selectedgeometry, dimensions orconstraints.
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Dynamic Sketcher - Sketching the Profile
Viewing Geometry
Click on an area tocenter it in the
window.
Drag the mouseupwards and the
model is zoomedout.
Drag the mousedownwards and themodel is zoomed in.
Drag the mouse leftor right and the
model pans left or
right.
Drag the mouse leftor right, then up or
down and the modelpans up and down.
Reframes and bringselements into view.
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Dynamic Sketcher - Defining Geometric & Dimensional Constraints
Creating Dimensional ConstraintsDimensional constraintsinclude: length, radius,angle and distance.
Driven dimensions are definedby the geometry (e.g. referencedimensions).
You can copy and
paste a dimensionsvalue to otherdimensions.
Driving dimensions define thegeometry and their values canbe edited.
You can change adriven dimension toa driving and vice
versa.
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Dynamic Sketcher - Defining Geometric & Dimensional Constraints
Defining Geometric Constraints
You can fix anelements direction
in space.
You can define a
line to be horizontalor vertical.
Geometric constraints aredefined by selecting theelement(s) andclicking theright mouse button.
The element(s) you selectdetermines the contextualmenus options.
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Dynamic Sketcher - Defining Geometric & Dimensional Constraints
Defining Dimensions Automatically
Select multipleelements
The Sketcher automatically dimensionsselected elements when using the AutoDimension contextual menu item.
Using the Shift key and the
Select icon....
Select the Constraintsicon...
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Dynamic Sketcher - Defining Geometric & Dimensional Constraints
Defining Geometric Constraints AutomaticallyThe Sketcher can automatically create geometricconstraints on geometry created using CATIAfunctions (LINE, CURVE1, LIMIT1, etc.).
Using the Select icon, trapthe geometry created inCATIA....
Select the Constraintsicon...
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Dynamic Sketcher - Defining Geometric & Dimensional Constraints
Detecting Over-Constrained
Diagnostics are available fordetecting when the dimensionalsystem is over-constrained.
You cannot modify the
values of dimensions that arecausing an over-constrainedcondition.
Over dimensioning a part cancause an over-constrainedpart.
Over-constrainedgeometry is displayed
in magenta.
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D i Sk t h M dif i th P fil
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Dynamic Sketcher - Modifying the Profile
Solids & the Dynamic SketcherThere are various ways to accessthe Dynamic Sketcher.....
....or select a solid FSUR.
.... define the working plane.....
.... select several CATIAelements that define a plane..... By selecting a prism, revolution, pyramid
or sweep, CATIA extracts the contour(profile) used to build the solid featureand imports the contour as editable(grey) elements into the Sketcher....
Other elements located in the sameplane as the features contour are allimported and editable. Other geometrylying in the same plane, but belongingto other solids are imported asreference only (yellow) elements.
.... select a solid feature.....
Dynamic Sketcher More About Sketcher
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Dynamic Sketcher - More About Sketcher
Customizing Settings
Setting the angular tolerance level(in degrees) allows you todetermine the highlightingsensitivity of the compass arrowswhen creating lines and contours.
Turning off the visualization ofshadow geometry is useful whenyour screen is full of geometry.
Pick Window Sizesets the size of the pickwindow area which determines thesensitivity when picking elements.
The Snap on Valuelets your movethe cursor according to the stepdefinition. The coordinate of thecursor position will always bemultiples of the defined value.
With Minimize Shape Deformationturnedon, the system tries to keep the originalshape of the geometry as much aspossible while applying modifications.
The Automatic Updateoption allowsyou to visualize immediately or not themodifications performed on a profile.
You can either work with CATIAcolors or with Sketcher colors.
Dynamic Sketcher More About Sketcher
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Dynamic Sketcher - More About Sketcher
Colors (1)
Sketcher colors convey adifferent meaning than the samecolors in CATIA.....
White: fully constrained element
Grey: editable element
Green: current elementLow light: fixed elements andshadow geometry
Bright blue: horizontal andvertical lines
Dynamic Sketcher - More About Sketcher
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Dynamic Sketcher - More About Sketcher
Colors (2)
Yellow: non-editable elements importedinto the Sketcher. These elements,although not editable, participate indetection by the compass and can be usedas reference for creating other elements.
Low-intensity blue: drivingdimensions, logical constraints
and associated symbols
Dark yellow: driven dimensions
Magenta: over-constrainedelements
Dynamic Sketcher - More About Sketcher
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Dynamic Sketcher More About Sketcher
Element Picking
It can be difficult to pick anelement on a crowded screen.
Ctrl+R: scans backwardsthrough crowded elements
Ctrl+E: scans forward throughcrowded elements
It can be difficult to pick a smallelement on the screen.
Exercise Database
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Exercise Database
Dynamic Sketcher - ExercisesNow play the exercises given below in the prescribed ordertopractice the notions you have learned and discover new ones.
Pulley
Offset Guide
Pipe Collar
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