Drawing Workbench: Difference between revisions

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The Drawing module is made to allow you to put your 3D work on paper. That is, to put views of your models in a 2D window, and to insert that window in a drawing, for example a sheet, with a border, a title and your logo, and finally to print that sheet. The Drawing module is currently under construction and more or less a tecnology preview!
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[[Image:Drawing_extraction.png]]
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In the picture you see the main concepts of the Drawing module. The document contains a Shape object (Schenkel) which
{{VeryImportantMessage|The '''Drawing Workbench''' is no longer included after version 0.20.<br>
we want to extract to a drawing. Therefore a "Page" was created. A page gets instantiated through a template.
The [[TechDraw_Workbench|TechDraw Workbench]] is its more advanced replacement.}}
In this case A3_Landscape. The Template is a SVG document which holds frames, logos and complies to some
kind of standard.


<!--T:72-->
In this page we can insert one or more views. Each view has a position on the page (Properties X,Y), a scale factor
[[Image:Workbench_Drawing.svg|thumb|128px|Drawing workbench icon]]
(Property scale) and additional properties. Every time the page or the view or the referenced object changes,
the page gets regenerated and the page display updated.


== Introduction == <!--T:64-->
=== Scripting ===
At the moment the end user workflows are very limited. So maybe the scripting is more interesting.


<!--T:1-->
import Part, Drawing
The Drawing module allows you to put your 3D work on paper. That is, to put views of your models in a 2D window and to insert that window in a drawing, for example a sheet with a border, a title and your logo and finally print that sheet.
# create a small sample part
Part.show(Part.makeBox(100,100,100).cut(Part.makeCylinder(80,100)).cut(Part.makeBox(90,40,100)).cut(Part.makeBox(20,85,100)))
# direct projection
Shape = App.ActiveDocument.Shape.Shape
[visibly,hidden] = Drawing.project(Shape)
print "visible edges:", len(visibly.Edges)
print "hidden edges:", len(hidden.Edges)
# all was projected on the Z-plane:
print "Bnd Box shape: X=",Shape.BoundBox.XLength," Y=",Shape.BoundBox.YLength," Z=",Shape.BoundBox.ZLength
print "Bnd Box project: X=",visibly.BoundBox.XLength," Y=",visibly.BoundBox.YLength," Z=",visibly.BoundBox.ZLength
# And now the parametric way:
# insert a Page object and assign a template
App.activeDocument().addObject('Drawing::FeaturePage','Page')
App.activeDocument().Page.Template = 'C:/_SW-Projects/Privat/FreeCAD/FreeCAD_0.9_VC8/Mod/Drawing/Templates/A3_Landscape.svg'
# create a view on the "Shape" object, define the position and scale and assign it to a Page
App.activeDocument().addObject('Drawing::FeatureViewPart','View')
App.activeDocument().View.Source = App.activeDocument().Shape
App.activeDocument().View.Direction = (0.0,0.0,1.0)
App.activeDocument().View.X = 10.0
App.activeDocument().View.Y = 10.0
App.activeDocument().View.Scale = 1.0
App.activeDocument().Page.addObject(App.activeDocument().View)
# create a second view on the same object:
App.activeDocument().addObject('Drawing::FeatureViewPart','View1')
App.activeDocument().View1.Source = App.activeDocument().Shape
App.activeDocument().View1.Direction = (0.0,0.0,1.0)
App.activeDocument().View1.X = 190.0
App.activeDocument().View1.Y = 30.0
App.activeDocument().View1.Scale = 1.0
App.activeDocument().Page.addObject(App.activeDocument().View1)
App.activeDocument().recompute()
# change something and update:
App.activeDocument().View.X = 30.0
App.activeDocument().View.Y = 30.0
App.activeDocument().View.Scale = 1.5
App.activeDocument().recompute()
# Accessing the bits and peaces:
# get the SVG fragment of a single view
ViewSVG = App.activeDocument().View.ViewResult
print ViewSVG
# get the hole result page (its a file in the document temp dir, only read allowed)
print "Resulting SVG document: ",App.activeDocument().Page.PageResult
file = open(App.activeDocument().Page.PageResult,"r")
print "Result page is ",len(file.readlines())," lines long"
# important, give free the file!
del file
# insert a view with your own content:
App.activeDocument().addObject('Drawing::FeatureView','View2')
App.activeDocument().View2.ViewResult = """<g id="View2"
stroke="rgb(0, 0, 0)"
stroke-width="0.35"
stroke-linecap="butt"
stroke-linejoin="miter"
transform="translate(30,30)"
fill="#00cc00"
>
<ellipse cx="40" cy="40" rx="30" ry="15"/>
</g>
"""
App.activeDocument().Page.addObject(App.activeDocument().View2)
App.activeDocument().recompute()
del Shape


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That leads to following result:
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[[Image:Drawing_extraction.png|600px]]
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== Tools == <!--T:2-->
[[Image:DrawingScriptResult.jpg]]


<!--T:3-->
These are tools for creating, configuring and exporting 2D drawing sheets


<!--T:52-->
[[Category:User Documentation]]
* [[Image:Drawing_New.png|32px]] [[Drawing_Open_SVG|Open scalable vector graphic]]: Opens a drawing sheet previously saved as an SVG file

<!--T:53-->
* [[Image:Drawing_Landscape_A3.png|32px]] [[Drawing_Landscape_A3|New A3 landscape drawing]]: Creates a new drawing sheet from FreeCAD's default A3 template

<!--T:54-->
* [[Image:Drawing_View.png|32px]] [[Drawing_View|Insert a view]]: Inserts a view of the selected object in the active drawing sheet

<!--T:55-->
* [[Image:Drawing_Annotation.png|32px]] [[Drawing_Annotation|Annotation]]: Adds an annotation to the current drawing sheet

<!--T:56-->
* [[Image:Drawing_Clip.png|32px]] [[Drawing_Clip|Clip]]: Adds a clip group to the current drawing sheet

<!--T:57-->
* [[Image:Drawing_Openbrowser.png|32px]] [[Drawing_Openbrowser|Open Browser]]: Opens a preview of the current sheet in the browser

<!--T:58-->
* [[Image:Drawing_Orthoviews.png|32px]] [[Drawing_Orthoviews|Ortho Views]]: Automatically creates orthographic views of an object on the current drawing sheet

<!--T:59-->
* [[Image:Drawing_Symbol.png|32px]] [[Drawing_Symbol|Symbol]]: Adds the contents of a SVG file as a symbol on the current drawing sheet

<!--T:60-->
* [[Image:Drawing_DraftView.png|32px]] [[Draft_Drawing|Draft View]]: Inserts a special Draft view of the selected object in the current drawing sheet

<!--T:61-->
* [[Image:Drawing_SpreadsheetView.png|32px]] [[Drawing_SpreadsheetView|Spreadsheet View]]: Inserts a view of a selected spreadsheet in the current drawing sheet

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* [[Image:Drawing_Save.png|32px]] [[Drawing_Save|Save sheet]]: Saves the current sheet as a SVG file

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* [[Drawing_ProjectShape|Project Shape]]: Creates a projection of the selected object (Source) in the 3D view.

<!--T:4-->
* {{Emphasis|Note:}} the [[Draft Drawing|Draft Drawing]] tool is used with [[Draft Workbench|Draft objects]]. It has some additional capabilities over the Drawing tools, and supports specific objects like [[Draft Dimension|Draft dimensions]].

<!--T:6-->
== Workflow ==
The document contains a 3D shape object (leg) from which we want to produce a drawing. Therefore a "Page" is created. A page it's instantiated from a template, for example, the "A3_Landscape" template. The template is an [[SVG|SVG]] document which can hold a page frame, a logo, and other elements.

<!--T:7-->
In this page we can insert one or more views. Each view has a position on the page, a scale factor, and additional properties. Every time the page or the view or the referenced object changes, the page is regenerated and the page display updated.

== Scripting == <!--T:8-->

<!--T:9-->
At the moment the graphical user interface workflow is very limited, so the scripting API is more interesting.

<!--T:65-->
See the [[Drawing API example]] page for a description of the functions used to create drawing pages and views.

== Templates == <!--T:43-->

<!--T:44-->
FreeCAD comes bundled with a set of default templates, but you can find more on the [[Drawing templates]] page.

== Extending the Drawing Module == <!--T:45-->

<!--T:46-->
Some notes on the programming side of the drawing module will be added to the [[Drawing Documentation]] page. This is to help quickly understand how the drawing module works, enabling programmers to rapidly start programming for it.

<!--T:49-->
== Tutorials ==
* [[Drawing_tutorial|Drawing tutorial]]
* [[Drawing_Template_HowTo|Drawing Template HowTo]]

== Macros == <!--T:74-->

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* {{MacroLink|Icon=Macro_Automatic_drawing.png|Macro_Automatic_drawing|Macro Automatic drawing}}: Allows the user to get the view of his object in a drawing with 4 different position (front,top,iso,right). Needs some modification to be perfectly effective.

<!--T:76-->
* {{MacroLink|Icon=Macro_CartoucheFC.png|Macro_CartoucheFC|Macro CartoucheFC}}: This GUI macro to fill simply all fields of the cartridge of the plan implementation worksheet FreeCAD, the format of the date and the symbol of the projection mode adapt to the EU region or US selected.

<!--T:77-->
* {{MacroLink|Icon=Macro_CartoucheFC_2.png|Macro_CartoucheFC_2|Macro CartoucheFC 2}}: This GUI macro to fill simply all fields of the cartridge '''model 2''' of the plan implementation worksheet FreeCAD.

<!--T:78-->
* {{MacroLink|Icon=Macro_CartoucheFC_Full.png|Macro_CartoucheFC_Full|Macro CartoucheFC Full}}: This GUI macro to fill simply all fields of the cartridge [[Misc_templates_Full|Misc templates Full]] of the plan implementation worksheet FreeCAD, the format of the date and the symbol of the projection mode adapt to the EU region or US selected.

<!--T:79-->
* {{MacroLink|Icon=Macro_Corner_shapes_wizard.png|Macro_Corner_shapes_wizard/update|Macro Corner shapes wizard/update}}: Pops up a dialog asking for the dimensions of your corner piece, then creates the object in the document and creates a page view with top, front and lateral views of the piece.

== External links == <!--T:80-->

<!--T:50-->
* [https://www.youtube.com/watch?v=1Hm5Zyjmjac Intro to mechanical drawing on Youtube - by Normal Universe]


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{{Drawing Tools navi{{#translation:}}}}
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[[Category:Obsolete Workbenches{{#translation:}}]]

Latest revision as of 08:46, 8 July 2023

The Drawing Workbench is no longer included after version 0.20.
The TechDraw Workbench is its more advanced replacement.
Drawing workbench icon

Introduction

The Drawing module allows you to put your 3D work on paper. That is, to put views of your models in a 2D window and to insert that window in a drawing, for example a sheet with a border, a title and your logo and finally print that sheet.

Tools

These are tools for creating, configuring and exporting 2D drawing sheets

  • Insert a view: Inserts a view of the selected object in the active drawing sheet
  • Annotation: Adds an annotation to the current drawing sheet
  • Clip: Adds a clip group to the current drawing sheet
  • Open Browser: Opens a preview of the current sheet in the browser
  • Ortho Views: Automatically creates orthographic views of an object on the current drawing sheet
  • Symbol: Adds the contents of a SVG file as a symbol on the current drawing sheet
  • Draft View: Inserts a special Draft view of the selected object in the current drawing sheet
  • Spreadsheet View: Inserts a view of a selected spreadsheet in the current drawing sheet
  • Save sheet: Saves the current sheet as a SVG file
  • Project Shape: Creates a projection of the selected object (Source) in the 3D view.

Workflow

The document contains a 3D shape object (leg) from which we want to produce a drawing. Therefore a "Page" is created. A page it's instantiated from a template, for example, the "A3_Landscape" template. The template is an SVG document which can hold a page frame, a logo, and other elements.

In this page we can insert one or more views. Each view has a position on the page, a scale factor, and additional properties. Every time the page or the view or the referenced object changes, the page is regenerated and the page display updated.

Scripting

At the moment the graphical user interface workflow is very limited, so the scripting API is more interesting.

See the Drawing API example page for a description of the functions used to create drawing pages and views.

Templates

FreeCAD comes bundled with a set of default templates, but you can find more on the Drawing templates page.

Extending the Drawing Module

Some notes on the programming side of the drawing module will be added to the Drawing Documentation page. This is to help quickly understand how the drawing module works, enabling programmers to rapidly start programming for it.

Tutorials

Macros

  • Macro Automatic drawing: Allows the user to get the view of his object in a drawing with 4 different position (front,top,iso,right). Needs some modification to be perfectly effective.
  • Macro CartoucheFC: This GUI macro to fill simply all fields of the cartridge of the plan implementation worksheet FreeCAD, the format of the date and the symbol of the projection mode adapt to the EU region or US selected.
  • Macro CartoucheFC 2: This GUI macro to fill simply all fields of the cartridge model 2 of the plan implementation worksheet FreeCAD.
  • Macro CartoucheFC Full: This GUI macro to fill simply all fields of the cartridge Misc templates Full of the plan implementation worksheet FreeCAD, the format of the date and the symbol of the projection mode adapt to the EU region or US selected.
  • Macro Corner shapes wizard/update: Pops up a dialog asking for the dimensions of your corner piece, then creates the object in the document and creates a page view with top, front and lateral views of the piece.

External links