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QCad User Reference Manual

QCad User Reference Manual

1. Abstract

2. License

2.1. Copyright

2.2. The GNU General Public License

2.3. Trademarks

3. Preface

3.1. CAD for the Uninitiated

3.2. How Can I Get QCad

3.3. Is QCad for me?

3.4. QCad and Qt

3.5. Scope of This Manual

3.6. Who Is Behind QCad

4. Basic CAD Concepts

4.1. Entities

4.2. Attributes

4.3. Layers

4.4. Blocks

4.5. Drafting in CAD

4.6. Coordinate Systems

4.7. Object and Grid Snapping

4.8. Basic Editing

4.9. Viewing in CAD

5. Starting a QCad Session

5.1. Linux / Unix Operating Systems

5.2. Mac OS X Operating System

5.3. Windows Operating Systems

6. The QCad User Interface

6.1. Main Application Window

6.2. Menu and CAD Toolbar

6.3. Layer List and Block List

6.4. Status Bar

6.5. Command Widget

6.6. Option Toolbar

6.7. Executing Commands

6.8. Modes

7. The Command Line

7.1. Using the Commandline

7.2. A Word About Keyboard Focus

8. File Handling

8.1. Creating New Drawings

8.2. Opening Drawings

8.3. Saving Drawings

8.4. Exporting Drawings as Bitmaps

8.5. Closing Drawings

9. Printing

9.1. Print Preview

9.2. Print

10. Basic Editing Commands

10.1. Undo

10.2. Redo

10.3. Copy

10.4. Cut

10.5. Paste

11. Viewing

11.1. Scrolling

11.2. Toggle Grid

11.3. Toggle Draft Mode

11.4. Redrawing

11.5. Zooming In / Out

11.6. Auto Zoom

11.7. Previous View

11.8. Window Zoom

11.9. Panning

12. Layers

12.1. Changing the Visibility of a Layer

12.2. Changing the Visibility of all Layers

12.3. Adding New Layers

12.4. Deleting Layers

12.5. Editing Layer Attributes

13. Blocks

13.1. Changing the Visibility of a Block

13.2. Changing the Visibility of all Blocks

13.3. Adding new Blocks

13.4. Removing Blocks

13.5. Renaming Blocks

13.6. Editing Blocks

13.7. Inserting Blocks

13.8. Creating Blocks from Existing Entities

14. Object Snap

14.1. Free Positioning

14.2. Snap to Grid

14.3. Snap to Endpoints

14.4. Snap to Points on Entities

14.5. Snap to Centers

14.6. Snap to Middle Points

14.7. Snap to Distance Points

14.8. Snap to Intersections

14.9. Snap to Intersections Manually

14.10. Snap Restrictions

14.11. Relative Zero Point

15. Construction

16. Points

16.1. Single Points

17. Lines

17.1. Sequence of Lines

17.2. Lines with Given Angle

17.3. Horizontal / Vertical Lines

17.4. Rectangles

17.5. Bisectors

17.6. Parallels

17.7. Parallels through Point

17.8. Tangents from Point to Arc / Circle

17.9. Tangents from Arc to Arc / Circle to Circle

17.10. Lines Orthogonal to Other Entities

17.11. Line with Relative Angle to Other Entities

17.12. Polygon with Center and Corner

17.13. Polygon with Two Corners

17.14. Freehand Line

18. Arcs

18.1. Arc with Center, Radius and Angles

18.2. Arc with 3 Points

18.3. Concentric Arc

19. Circles

19.1. Circle with Center and Point

19.2. Circle with Center and Radius

19.3. Circle with 2 Points

19.4. Circle with 3 Points

19.5. Concentric Circle

20. Ellipses

20.1. Full Ellipses

20.2. Ellipse Arcs

21. Polylines

21.1. Creating a Polyline

21.2. Adding Nodes to Polylines

21.3. Appending Nodes to Polylines

21.4. Deleting Nodes from Polylines

21.5. Deleting Segments Between Two Nodes

21.6. Trimming Polyline Segments

21.7. Creating Equidistant Polylines

21.8. Creating a Polyline from Existing Segments

22. Splines

23. Texts

23.1. Advanced

24. Dimensions

24.1. Aligned Dimensions

24.2. Linear Dimensions

24.3. Horizontal / Vertical Dimensions

24.4. Radial Dimensions

24.5. Diametric Dimensions

24.6. Angular Dimensions

24.7. Leaders

25. Hatches And Solid Fills

26. Images

27. Selection

27.1. Deselecting All

27.2. Selecting All

27.3. Selecting Single Entities

27.4. Selecting Contours

27.5. Window Deselection

27.6. Window Selection

27.7. Inverting Selection

27.8. Deselect Intersected Entities

27.9. Select Intersected Entities

27.10. Selecting Layers

28. Modification

28.1. Move / Copy

28.2. Rotate

28.3. Scale

28.4. Mirror

28.5. Move and Rotate

28.6. Rotate and Counter-rotate (Rotate Two)

28.7. Trim / Extend

28.8. Trim Two Entities

28.9. Lengthen

28.10. Stretch

28.11. Bevel

28.12. Round

28.13. Divide

28.14. Divide Two

28.15. Properties

28.16. Attributes

28.17. Deleting Entities

28.18. Exploding Groups

28.19. Explode Text into Letters

28.20. Editing Text

28.21. Move to Foreground / Background

29. Information

29.1. Distance (Point, Point)

29.2. Distance (Entity, Point)

29.3. Angle

29.4. Total Length of Selected Entities

29.5. Area

30. Part Library

30.1. Inserting Parts

30.2. Extending the Lirary

31. Application Preferences

31.1. Appearance

31.2. Paths

32. Drawing Preferences

32.1. Paper

32.2. Units

32.3. Grid

32.4. Dimensions

32.5. Splines

33. Appendix

34. Hotkeys

34.1. Command Line

34.2. File Handling

34.3. Basic Editing

34.4. View

34.5. Layer Handling

34.6. Snapping

34.7. Construction

34.8. Dimensioning

34.9. Entity Selection

34.10. Modification

35. Fonts

36. Patterns

37. Mathematical Expressions

37.1. Constants

37.2. Functions

38. Drawing Units

38.1. Length

38.2. Length Display

38.3. Angle

38.4. Angle Display

39. Supported Paper Formats

39.1. Metric

39.2. Other

40. Migration from QCad 1

40.1. DXF Compatibility

40.2. Layer Handling

41. Bibliography


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