Drawing Module/pl

Moduł Rysunku (Drawing) pozwala na przeniesienie twojej pracy 3D na papier. To znaczy na umieszczenie rzutów twoich modeli 3D w oknie 2D i wstawienie tego okna do rysunku, np. arkusza z ramką, tytułem i twoim logo oraz ostatecznie na wydrukowanie tego arkusza. Moduł Drawing aktualnie jest w czasie konstrukcji i jest mniej lub bardziej przeglądem technologii!

Development of the Drawing Module has stopped, and a new TechDraw Module aiming to replace it will be introduced in version 0.17. Both modules will be provided in v0.17, but the Drawing module may be removed in future releases.

Narzędzia interfejsu użytkownika

Narzędzia do tworzenia, konfigurowania i eksportowania arkuszy rysunków 2D

Open scalable vector graphic: Opens a drawing sheet previously saved as an SVG file

New A3 landscape drawing: Creates a new drawing sheet from FreeCAD's default A3 template

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.

Note The Draft View tool is used mainly to place Draft objects on paper. It has a couple of extra capabilities over the standard Drawing tools, and supports specific objects like Draft dimensions.

Na ilustracji możesz zobaczyć główne koncepcje modułu Rysunku.In the picture you see the main concepts of the Drawing module. Dokument zawiera obiekt kształtu (Schenkel), który musimy wypakować na rysunek. Wtedy "Page" (strona) jest tworzona. Strona dostaje instancję przez szablon, w tym przypadku przez szablon "A3_Landscape". Szablon jest dokumentem SVG, który przechowuje ramkę strony, logo czy twoje standardy wyświetlania.

Na tej stronie możemy wstawić jeden lub więcej rzutów. Każdy rzut posiada pozycję na stronie (Properties X,Y), współczynnik skali (Property scale) i dodatkowe właściwości. Za każdym razem kiedy strona lub rzut lub obiekt referencyjny się zmieniająją strona jest regenerowana i wyświetlanie jest uaktualniane.

Skryptowanie

Aktualnie funkcjonalność graficznego interfejsu użytkownika jest bardzo ograniczona, więc API skryptowania jest bardziej interesujące. Poniże znajdują się przykłady jak używać API skryptowania w module rysunku.

Here a script that can easily fill the Macro_CartoucheFC leaf FreeCAD A3_Landscape.

Prosty przykład

Po pierwsze potrzebujesz modułu Części (Part) i Rysunku (Drawing):

import FreeCAD, Part, Drawing

Stworzenie małej przykładowej części

Part.show(Part.makeBox(100,100,100).cut(Part.makeCylinder(80,100)).cut(Part.makeBox(90,40,100)).cut(Part.makeBox(20,85,100)))

Projekcja bezpośrednia. G0 oznacza ostrą krawędź, G1 ciągłą styczną.

Shape = App.ActiveDocument.Shape.Shape
[visibleG0,visibleG1,hiddenG0,hiddenG1] = Drawing.project(Shape)
print "visible edges:", len(visibleG0.Edges)
print "hidden edges:", len(hiddenG0.Edges)

Wszystko jest rzutowane na płaszczyznę Z:

print "Bnd Box shape: X=",Shape.BoundBox.XLength," Y=",Shape.BoundBox.YLength," Z=",Shape.BoundBox.ZLength
print "Bnd Box project: X=",visibleG0.BoundBox.XLength," Y=",visibleG0.BoundBox.YLength," Z=",visibleG0.BoundBox.ZLength

Różny wektor projekcji

[visibleG0,visibleG1,hiddenG0,hiddenG1] = Drawing.project(Shape,App.Vector(1,1,1))

Projekt SVG

resultSVG = Drawing.projectToSVG(Shape,App.Vector(1,1,1))
print resultSVG

Metoda parametryczna

Tworzenia ciała

import FreeCAD
import Part
import Drawing

# Create three boxes and a cylinder
App.ActiveDocument.addObject("Part::Box","Box")
App.ActiveDocument.Box.Length=100.00
App.ActiveDocument.Box.Width=100.00
App.ActiveDocument.Box.Height=100.00

App.ActiveDocument.addObject("Part::Box","Box1")
App.ActiveDocument.Box1.Length=90.00
App.ActiveDocument.Box1.Width=40.00
App.ActiveDocument.Box1.Height=100.00

App.ActiveDocument.addObject("Part::Box","Box2")
App.ActiveDocument.Box2.Length=20.00
App.ActiveDocument.Box2.Width=85.00
App.ActiveDocument.Box2.Height=100.00

App.ActiveDocument.addObject("Part::Cylinder","Cylinder")
App.ActiveDocument.Cylinder.Radius=80.00
App.ActiveDocument.Cylinder.Height=100.00
App.ActiveDocument.Cylinder.Angle=360.00
# Fuse two boxes and the cylinder
App.ActiveDocument.addObject("Part::Fuse","Fusion")
App.ActiveDocument.Fusion.Base = App.ActiveDocument.Cylinder
App.ActiveDocument.Fusion.Tool = App.ActiveDocument.Box1

App.ActiveDocument.addObject("Part::Fuse","Fusion1")
App.ActiveDocument.Fusion1.Base = App.ActiveDocument.Box2
App.ActiveDocument.Fusion1.Tool = App.ActiveDocument.Fusion
# Cut the fused shapes from the first box
App.ActiveDocument.addObject("Part::Cut","Shape")
App.ActiveDocument.Shape.Base = App.ActiveDocument.Box 
App.ActiveDocument.Shape.Tool = App.ActiveDocument.Fusion1
# Hide all the intermediate shapes 
Gui.ActiveDocument.Box.Visibility=False
Gui.ActiveDocument.Box1.Visibility=False
Gui.ActiveDocument.Box2.Visibility=False
Gui.ActiveDocument.Cylinder.Visibility=False
Gui.ActiveDocument.Fusion.Visibility=False
Gui.ActiveDocument.Fusion1.Visibility=False

Wstaw obiekt strony i załącz szablon

App.ActiveDocument.addObject('Drawing::FeaturePage','Page')
App.ActiveDocument.Page.Template = App.getResourceDir()+'Mod/Drawing/Templates/A3_Landscape.svg'

Stwórz widok obiektu "Shape", zdefiniuj pozycję, skalę i załącz do Strony (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.Page.addObject(App.ActiveDocument.View)

Stwórz drugi wodok tego samego obiektu, ale tym razem obrócony o 90 stopni.

App.ActiveDocument.addObject('Drawing::FeatureViewPart','ViewRot')
App.ActiveDocument.ViewRot.Source = App.ActiveDocument.Shape
App.ActiveDocument.ViewRot.Direction = (0.0,0.0,1.0)
App.ActiveDocument.ViewRot.X = 290.0
App.ActiveDocument.ViewRot.Y = 30.0
App.ActiveDocument.ViewRot.Scale = 1.0
App.ActiveDocument.ViewRot.Rotation = 90.0
App.ActiveDocument.Page.addObject(App.ActiveDocument.ViewRot)

Stwórz trzeci widok tego samego obiektu, ale z widokiem izometrycznym. Ukryte linie są także pokazywane.

App.ActiveDocument.addObject('Drawing::FeatureViewPart','ViewIso')
App.ActiveDocument.ViewIso.Source = App.ActiveDocument.Shape
App.ActiveDocument.ViewIso.Direction = (1.0,1.0,1.0)
App.ActiveDocument.ViewIso.X = 335.0
App.ActiveDocument.ViewIso.Y = 140.0
App.ActiveDocument.ViewIso.ShowHiddenLines = True
App.ActiveDocument.Page.addObject(App.ActiveDocument.ViewIso)

Zmień coś i zaktualizuj. Aktualizacja zmieni widok i stronę.

App.ActiveDocument.View.X = 30.0
App.ActiveDocument.View.Y = 30.0
App.ActiveDocument.View.Scale = 1.5
App.ActiveDocument.recompute()

Dostęp do elementów składowych

Weź fragment SVG pojedynczego widoku

ViewSVG = App.ActiveDocument.View.ViewResult
print ViewSVG

Weź całą stronę wyników (jest w pliku w tymczasowym katalogu dokumentu, z prawami tylko do odczytu)

print "Resulting SVG document: ",App.ActiveDocument.Page.PageResult
file = open(App.ActiveDocument.Page.PageResult,"r")
print "Result page is ",len(file.readlines())," lines long"

Ważne: Uwolnij plik!

del file

Wstaw widok z własną zawartością:

App.ActiveDocument.addObject('Drawing::FeatureView','ViewSelf')
App.ActiveDocument.ViewSelf.ViewResult = """<g id="ViewSelf"
  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.ViewSelf)
App.ActiveDocument.recompute()

del ViewSVG

To prowadzi do takiego rezulatatu:

General Dimensioning and Tolerancing

Drawing dimensions an tolerances are still under development but you can get some basic functionality with a bit of work.

First you need to get the gdtsvg python module from here (WARNING: This could be broken at any time!):

https://github.com/jcc242/FreeCAD

To get a feature control frame, try out the following:

import gdtsvg as g # Import the module, I like to give it an easy handle
ourFrame = g.ControlFrame("0","0", g.Perpendicularity(), ".5", g.Diameter(), g.ModifyingSymbols("M"), "A",  
           g.ModifyingSymbols("F"), "B", g.ModifyingSymbols("L"), "C", g.ModifyingSymbols("I"))

Here is a good breakdown of the contents of a feature control frame: http://www.cadblog.net/adding-geometric-tolerances.htm

The parameters to pass to control frame are:

X-coordinate in SVG-coordinate system (type string)
Y-coordinate in SVG-coordinate system (type string)
The desired geometric characteristic symbol (tuple, svg string as first, width of symbol as second, height of symbol as third)
The tolerance (type string)
(optional) The diameter symbol (tuple, svg string as first, width of symbol as second, height of symbol as third)
(optional) The condition modifying material (tuple, svg string as first, width of symbol as second, height of symbol as third)
(optional) The first datum (type string)
(optional) The first datum's modifying condition (tuple, svg string as first, width of symbol as second, height of symbol as third)
(optional) The second datum (type string)
(optional) The second datum's modifying condition (tuple, svg string as first, width of symbol as second, height of symbol as third)
(optional) The third datum (type string)
(optional) The third datum's material condition (tuple, svg string as first, width of symbol as second, height of symbol as third)

The ControlFrame function returns a type containing (svg string, overall width of control frame, overall height of control frame)

To get a dimension, try out the following:

import gdtsvg
ourDimension = linearDimension(point1, point2, textpoint, dimensiontext, linestyle=getStyle("visible"), 
               arrowstyle=getStyle("filled"), textstyle=getStyle("text")

Inputs for linear dimension are:

point1, an (x,y) tuple with svg-coordinates, this is one of the points you would like to dimension between
point2, an (x,y) tuple with svg-coordinates, this is the second point you would like to dimension between
textpoint, an (x,y) tuple of svg-coordinates, this is where the text of your dimension will be
dimensiontext, a string containing the text you want the dimension to say
linestyle, a string containing svg (i.e. css) styles, using the getStyle function to retrieve a preset string, for styling the how the lines look
arrowstyle, a string containing svg (i.e. css) styles, using the getStyle function to retrieve a preset string, for styling how the arrows look
textstyle, a string containing svg (i.e. css) styles, using the getStyle function to retrieve a preset string, for styling how the text looks

With those two, you can proceed as above for displaying them on the drawing page. This module is very buggy and can be broken at any given moment, bug reports are welcome on the github page for now, or contact jcc242 on the forums if you post a bug somewhere else.

Szablony

FreeCAD posiada wbudowany pakiet szablonów, możesz znaleźć ich więcej na stronie Szablony rysunku.

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

Drawing tutorial

External links

Intro to mechanical drawing on Youtube - by Normal Universe