TechDraw Preferences

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The preferences for the TechDraw Workbench are found in the Preferences Editor, in the menu Edit → Preferences → TechDraw.

There are two tabs: TechDraw General and TechDraw Dimensions.

TechDraw General

preferences tab 1


General

  • Projection Angle: TechDraw NewProjGroup.png ProjectionGroups will use either First or Third angle projection. See multiview projection for an explanation.
  • Hidden Line: the style (solid, dashed, etc) to be used for hidden lines.
  • Detect Faces: if ticked, TechDraw will attempt to build faces using the line segments returned by the hidden line removal algorithm. Faces must be detected in order to use Techdraw-hatch.png hatching, but there can be a performance penalty in complex models.
  • ShowSectionEdges: highlight the border of the section cut in TechDraw NewSection.png section views. Usually only for debugging.
  • AutoDistribute: Adjusts default setting for Project Group automatic distribute of secondary views.

Drawing Updates

  • Update with 3D: Controls whether or not Pages are updated every time the 3D model is changed. This is a global policy setting.
  • Allow Page Override: Controls whether or not a Page's 'KeepUpdate' property can override the system wide 'Update with 3D' parameter. This is a global policy setting.
  • KeepPagesUpToDate: keeping the drawing pages in sync with the 3D model in real time can slow response times. This parameter controls the default setting of the 'KeepUpdated' property in new drawings.

Colors

you can set your preferred colors here.

Labels

  • Label Font: the name of the default font for Labels.
  • Label Size: default size (mm) for label text.
  • Template dot size: green unit dot size in units

Files

  • Default Template: use this file chooser to select a default Template file for your drawings.
  • Template Directory: the starting directory for TechDraw New Pick.png New Page from Template.
  • Hatch Image: default SVG or bitmap file for TechDraw Hatch.png hatching.
  • LineGroup File: Alternate file for personal LineGroup definitions.
  • Welding Directory: Alternate directory for Welding Svg files.
  • PAT File: default PAT pattern definition file for TechDraw Hatch.png hatching.
  • Pattern Name: the name of your favourite PAT pattern.

TechDraw Dimensions

preferences tab 2


Dimensions

  • Show Units: append the unit specifier (mm, in, etc.) to values.
  • Use Global Decimals: use the number of decimal positions from Preferences → General → Units.
  • Alternate Decimals: if Use Global Decimals is unticked, use this number of decimal positions.
  • Format Spec: formats dimension text. Uses printf format specifier.
  • Font Size: size for Dimension Text.
  • Color: default color for Dimension text and lines.
  • Diameter Symbol: diameter dimensions will be prefixed by this text.
  • Arrow Style: choose the dimension line end mark you prefer.
  • Arrow Size: size of end mark in mm.
  • Dimensioning Standard and Style: default value for ISO/ASME style Dimensions.

Decorations

  • Line Group: the name of default line group specification.
  • Matting Style: show TechDraw New Detail.png detail views as circles or rectangles.
  • Center Line Style: default style for View center lines (horizontal and vertical).
  • Center Line Color: default color for View center lines.
  • Section Line Style: default style for section line in the Base View of TechDraw NewSection.png a Section View.
  • Section Line Color: default color for section lines.
  • Hatch Weight: default line thickness for TechDraw GeomHatch.png geometric hatching. See Techdraw-hatch.png hatching.
  • Vertex Color: default color for Vertices.
  • Vertex Scale: adjustment for Vertex size on drawings.

Hidden Settings

Some preference settings are only accessible through the Tools → Edit parameters... menu item.

Preferences/Mod/TechDraw/Decorations

  • CenterMarkScale: default scale factor for CenterMarks
  • ShowCenterMarks: default true/false
  • PrintCenterMarks: true/false show CenterMarks when printing (>= v0.19)

Preferences/Mod/TechDraw/General

  • DefaultScale: initial setting of Page Scale (v0.19+)
  • EdgeFuzz: pick radius for Edges
  • MarkFuzz: pick radius for CenterMarks
  • SectionFuseFirst: fuse Source objects before performing Section cut
  • EdgeEndCap: shape of Edge ends 0x00 FlatCap, 0x10 SquareCap, 0x20 RoundCap (Qt::PenCapStyle) (v0.19+)

Preferences/Mod/TechDraw/Format

  • SectionFormat: section line style 0-ASME 1-ISO

Preferences/Mod/TechDraw/Standards

  • RadiusAligned: Radius dimension format 0-ISO(aligned) 1-ASME(uniform)