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Macro GenerateDrawing

{{Macro |Name=GenerateDrawing |Description=Macro for automatic drawing generation with 3 normal projections and one isometric. |Author=PR-DC |Download=[https://wiki.freecadweb.org/File:GenerateDrawing.svg ToolBar Icon] |Date=2022-01-08 |Version=1.0.0 |FCVersion=0.18.4 and above |SeeAlso=[https://github.com/PR-DC/PRDC_GenerateDrawing_FC Github repository] }}

Description

Macro for automatic drawing generation with 3 normal projections and one isometric.

Usage

Open the model and run the macro program (check input parameters inside macro for adjustments).

Script

ToolBar Icon

GenerateDrawing.FCMacro

{{MacroCode|code=

Macro for automatic drawing generation

with 3 normal projections and one isometric.

Author: Milos Petrasinovic mpetrasinovic@pr-dc.com

PR-DC, Republic of Serbia

info@pr-dc.com

--------------------

Copyright (C) 2022 PRDC info@pr-dc.com

This program is free software: you can redistribute it and/or modify

it under the terms of the GNU Lesser General Public License as

published by the Free Software Foundation, either version 3 of the

License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License

along with this program. If not, see https://www.gnu.org/licenses/.

----- PARAMS -----

paper = [420, 297] # A3 paper size border = [10, 10, 400, 277] # border position ans size table = [190, 74] # table size dx = 10 # space between views along x axis dy = 10 # space between views along y axis author = "Miloš Petrašinović" # author name drawn_date = "07.01.2022." # drawing drawn date template_file = "test\PRDC_template_A3.svg" # drawing template

--------------------

Name = 'GenerateDrawing' Comment = 'Macro for automatic drawing generation.' Author = 'Milos Petrasinovic mpetrasinovic@pr-dc.com' Version = '1.0.0' Date = '2022-01-07' License = 'GPL-3.0-or-later' Web = 'https://github.com/PR-DC/PRDC_GenerateDrawing_FC' Wiki = 'https://wiki.freecadweb.org/Macro_GenerateDrawing' Icon = 'GenerateDrawing.svg' Help = 'Open model and run the macro program!' Status = 'stable' Requires = 'Freecad >= 0.18' Communication = 'https://github.com/PR-DC/PRDC_GenerateDrawing_FC/issues/' Files = 'GenerateDrawing.svg'

import FreeCAD as App import FreeCADGui as Gui from PySide import QtGui import Draft import math import os

if not os.path.isabs(template_file): template_file = os.path.dirname(file) + '\' + template_file print(template_file)

doc = App.activeDocument() doc_gui = Gui.activeDocument() Gui.activateWorkbench("TechDrawWorkbench") shapes = []

def GetShapes(objs, shapes): for obj in objs: if obj.TypeId == 'App::DocumentObjectGroup': GetShapes(obj.OutList, shapes) elif hasattr(obj, "Shape") and doc_gui.getObject(obj.Name).Visibility: shapes.append(obj) return shapes

if doc is not None: shapes = GetShapes(doc.RootObjects, shapes) if len(shapes): if len(shapes) == 1: model = shapes[0] else: model = doc.addObject("Part::Compound", "DrawingModel") model.Links = shapes doc.recompute()

    # Obtain model bounding box
    BB = model.Shape.BoundBox
    X = BB.XMax-BB.XMin
    Y = BB.YMax-BB.YMin
    Z = BB.ZMax-BB.ZMin
    
    Isometric = Draft.makeShape2DView(model, App.Vector(0.57735, 0.57735, 0.57735))
    doc.recompute()
    IBB = Isometric.Shape.BoundBox
    if App.Version()[1] < "19":
        Xrot = IBB.XMin+(IBB.XMax-IBB.XMin)/2
        Yrot = IBB.YMin+(IBB.YMax-IBB.YMin)/2
        Draft.rotate(Isometric, -120, center=App.Vector(Xrot, Yrot, 0), axis=App.Vector(0, 0, 1), copy=False)
        doc.recompute()
        IBB = Isometric.Shape.BoundBox
    IsometricBB = [IBB.XMax-IBB.XMin, IBB.YMax-IBB.YMin]
    
    doc.removeObject(Isometric.Name)
    if len(shapes) > 1:
        doc.removeObject(model.Name)
        for obj in shapes:
            doc_gui.getObject(obj.Name).Visibility = True
            
    # Page scale
    p1 = border[2]/(X+dx+Z)
    p2 = border[3]/(Y+dy+Z)
    
    if p1 < 1 or p2 < 1:
        # Decrease
        if p1 > p2:
            s = math.ceil(1/p2)
        else:
            s = math.ceil(1/p1)
        s = 1/s
        scale_str = "1:"+str(s)
    else:
        # Increase
        if p1 > p2:
            s = math.floor(p2)
        else:
            s = math.floor(p1)
        scale_str = str(s)+":1"
    
    # Add page with template
    page = doc.addObject('TechDraw::DrawPage', 'Page')
    template = doc.addObject('TechDraw::DrawSVGTemplate', 'Template')
    template.Template = template_file
    page.Template = template
    page.Scale = s
    
    # Add project group views
    views = doc.addObject('TechDraw::DrawProjGroup', 'ProjGroup')
    views.AutoDistribute = False
    page.addView(views)
    views.Source = shapes
    doc.recompute()
    Top = views.addProjection('Front')
    Top.Label = "Top"
    views.Anchor.Direction = App.Vector(0, 0, 1)
    if App.Version()[1] >= "19":
        views.Anchor.XDirection = App.Vector(1, 0, 0)
    views.Anchor.RotationVector = App.Vector(1, 0, 0)
    views.Anchor.recompute()
    views.ProjectionType = 'First Angle'
    Front = views.addProjection('Top')
    Front.Label = "Front"
    Left = views.addProjection('Left')
    Left.Label = "Left"
    
    # Isometric view
    Isometric = doc.addObject('TechDraw::DrawViewPart', 'Isometric')
    page.addView(Isometric)
    Isometric.Source = shapes
    Isometric.ScaleType = "Custom"
    Isometric.Scale = s/2
    Isometric.Label = "Isometric"
    Isometric.Direction = App.Vector(0.57735, 0.57735, 0.57735)
    if App.Version()[1] >= "19":
        Isometric.XDirection = App.Vector(0.57735, 0.57735, 0.57735)
    else: 
        Isometric.Rotation = -120.00
    Isometric.recompute()
       
    # Views position
    px0 = border[0]+dx
    py0 = paper[1]-dy-border[1]
    
    views.X = px0+s*X/2
    views.Y = py0-s*Y/2
    Front.Y = -(s*Y/2+dy+s*Z/2)
    Left.X = s*X/2+dx+s*Z/2
    Isometric.X = paper[0]-border[0]-dx-s/2*IsometricBB[0]/2
    Isometric.Y = border[1]+table[1]+dy+s/2*IsometricBB[1]/2
    
    # Change drawing text fields
    template.setEditFieldContent("AUTHOR_NAME", author)
    template.setEditFieldContent("AUTHOR_DATE", drawn_date)
    template.setEditFieldContent("DRAWING_SCALE", scale_str)
    template.setEditFieldContent("PROJECT_NAME", "PROJECT NAME")
    template.setEditFieldContent("DRAWING_TITLE", "DRAWING TITLE")
    template.setEditFieldContent("PCS_NUMBER", "X pcs")
    template.setEditFieldContent("MATERIAL_NAME", "x")
    template.setEditFieldContent("FINISH_TYPE", "As Produced")
    template.setEditFieldContent("TOLERANCE_VALUE", "xxx")
    template.setEditFieldContent("SUPERVISOR_NAME", "Supervisor")
    template.setEditFieldContent("SUPERVISOR_DATE", "xxx")
    template.setEditFieldContent("DESIGNER_NAME", "Designer")
    template.setEditFieldContent("DESIGNER_DATE", "xxx")
    template.setEditFieldContent("PAGE_SIZE", "A3")
    template.setEditFieldContent("REV_NUMBER", "X")
    template.setEditFieldContent("PART_WEIGHT", "XXX")
    template.setEditFieldContent("SHEET_NUMBER", "1/1")
    
    doc.recompute()        
    doc_gui.getObject(page.Name).show()
    Gui.updateGui()
else:
    msgBox = QtGui.QMessageBox()
    msgBox.setWindowTitle("Error")
    msgBox.setText("No shapes for drawing!")
    msgBox.exec_()
    App.Console.PrintError("\nError: No shapes for drawing!\n")

else: msgBox = QtGui.QMessageBox() msgBox.setWindowTitle("Error") msgBox.setText("No active document!") msgBox.exec_() App.Console.PrintError("\nError: No active document!\n") }}

Links

The forum discussion New Macros: GenerateViews and GenerateDrawing

documentation index > Macro GenerateDrawing