PartDesign Preferences: Difference between revisions

From FreeCAD Documentation
(Shape appearance tab: tweaked descriptions.)
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| If checked, the bottom side of faces will be rendered the same way as the top side. If not checked either the [[Preferences_Editor#3D_View|Backlight color]], if enabled, or black will be used instead.
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Revision as of 18:28, 11 March 2021

This documentation is a work in progress. Please don't mark it as translatable since it will change in the next hours and days.

Introduction

The preferences of the PartDesign Workbench can be found in the Preferences editor.

There are three tabs: General, Shape view, and Shape appearance.

General

On the General tab you can specify the following:

Name Description
Automatically check model after boolean operation If checked, the Boundary representation (BRep) of the model will be validated after boolean operations.
Automatically refine model after boolean operation If checked, the model will be refined after boolean operations.
Automatically refine model after sketch-based operation If checked, the model will be refined after changes to source sketches of objects.

Shape view

On the Shape view tab you can specify the following:

Name Description
Maximum deviation depending on the model bounding box Maximum linear deflection of the tesselated objects from their surface
Maximum angular deflection Maximum angular deflection from one tesselated object section to the next section

In order to display an object efficiently its surface is tesselated, i.e. it is displayed with some small deviations from it real surface. This applies not only to PartDesign models, but also to other objects in FreeCAD.

There is a lower limit for the tesselation of 0.01%. If you really want to spend the additional time you can reduce the lower limit even further by opening the menu Tools → Edit parameters... This opens the parameter editor where you navigate to BaseApp → Preferences → Mod → Part.

Right click on Mesh deviation choose in the context menu Change value. Set the value to the minimum tesselation of your choice. Please keep in mind that the value is in %, i.e. for a value of 0.005% you have to enter "0.00005". The smallest value possible is 1e-7. Note: In the preferences menu you will still see 0.01% even if you set a lower value.

Shape appearance

On the Shape appearance tab you can specify the following:

Name Description
Shape color Color for new shapes. If the option Random is set, a random color is used instead.
Line color Line color for new shapes
Line width Line thickness for new shapes
Vertex color Color for new vertices
Vertex size Size for new vertices
Bounding box color Color of bounding boxes in the 3D view
Two-side rendering If checked, the bottom side of faces will be rendered the same way as the top side. If not checked either the Backlight color, if enabled, or black will be used instead.
Text color Text color for document annotations. There is currently no dialog to add annotations to documents. Annotations can only be added using the Python console with this command:

obj=App.ActiveDocument.addObject("App::Annotation", "Label")

This console is shown using the menu View → Panels → Python console.