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Arch Rebar Drawing

Please Note: The below work is present in develop branch of Reinforcement workbench here

Description

The Reinforcement Drawing tool allows the user to create drawing of reinforcing bars.

This command is part of the Reinforcement Addon, an external workbench that can be installed with the Addon Manager via the Tools → Addon manager → Reinforcement menu.

Drawing and dimensioning of reinforcing bars

Usage

1. Open FreeCAD Model containing reinforcement bars created using Reinforcement Addon.

2. In FreeCAD Python console, copy below code snippet to generate reinforcement drawing from different views for each Arch Structure element.

from ReinforcementDrawing.make_reinforcement_drawing import (
    makeStructuresReinforcementDrawing,
)

for view in ("Front", "Rear", "Left", "Right", "Top", "Bottom"):
    makeStructuresReinforcementDrawing(view=view)

ReinforcementDrawingView Object

A Rebars Drawing SVG View object.

Properties

  • Structure: The structure object acting as Host for rebars to be included in drawing.

  • Rebars: The list of rebar objects to be included in drawing.

  • View: The reinforcement drawing view to be generated. It can be "Front", "Rear", "Left", "Right", "Top" or "Bottom".

  • PositionType: The position type of Reinforcement Drawing on Template. It can be "Automatic" to calculate drawing placement using LeftOffset, TopOffset, MinRightOffset and MinBottomOffset OR "Custom" to set placement using X and Y.

  • RebarsStrokeWidth: The stroke width of rebars in Reinforcement Drawing svg.

  • RebarsColorStyle: The color style of rebars in Reinforcement Drawing svg. Set it to "Automatic" to automatically select rebars color OR "Custom" to choose shape color value from RebarsColor.

  • RebarsColor: The color of rebars in Reinforcement Drawing svg.

  • StructureStrokeWidth: The stroke width of structure in Reinforcement Drawing svg.

  • StructureColorStyle: The color style of structure in Reinforcement Drawing svg. Set it to "Automatic" to automatically select rebars color, "Custom" to choose shape color value from StructureColor OR "None" to not fill structure.

  • StructureColor: The color of structure in Reinforcement Drawing svg.

  • Template: The template for Reinforcement Drawing view.

  • Width: The width of Reinforcement Drawing view svg.

  • Height: The height of Reinforcement Drawing view svg.

  • LeftOffset: The left offset of Reinforcement Drawing view on template.

  • TopOffset: The top offset of Reinforcement Drawing view on template.

  • MinRightOffset: The minimum right offset of Reinforcement Drawing view on template.

  • MinBottomOffset: The minimum bottom offset of Reinforcement Drawing view on template.

  • MaxWidth: The maximum width of Reinforcement Drawing view.

  • MaxHeight: The maximum height of Reinforcement Drawing view.

  • VisibleRebars: The list of visible rebar objects in drawing view.

  • DimensionLeftOffset: The left offset for each new ReinforcementDimensioning object.

  • DimensionRightOffset: The right offset for each new ReinforcementDimensioning object.

  • DimensionTopOffset: The top offset for each new ReinforcementDimensioning object.

  • DimensionBottomOffset: The bottom offset for each new ReinforcementDimensioning object.

Scripting

See also:

Arch API, Reinforcement API and FreeCAD Scripting Basics.

The Reinforcement Drawing tool can be used in macros and from the Python console by using the following functions:

Create Reinforcement Drawing View

For one structure

from ReinforcementDrawing.make_reinforcement_drawing import (
    makeReinforcementDrawing,
)

reinforcement_drawing_page = makeReinforcementDrawing(
    structure,
    rebars_list,
    view,
    rebars_stroke_width,
    rebars_color_style,
    rebars_color,
    structure_stroke_width,
    structure_color_style,
    structure_color,
    drawing_left_offset,
    drawing_top_offset,
    drawing_min_right_offset,
    drawing_min_bottom_offset,
    drawing_max_width,
    drawing_max_height,
    template_file,
    dimension_left_offset,
    dimension_right_offset,
    dimension_top_offset,
    dimension_bottom_offset,
)

  • Creates a ReinforcementDrawingView object for given structure and rebar objects list.

  • It returns the reinforcement_drawing_page of type TechDraw::DrawPage.

  • viewspecifies the view of drawing to be generated. It can be "Front", "Rear", "Left", "Right", "Top" or "Bottom".

  • rebars_stroke_widthspecifies the stroke-width of rebars in drawing svg.

  • rebars_color_stylespecifies the color style of rebars. Set it to "Automatic" to automatically select rebars color or "Custom" to choose shape color value from variable rebars_color.

  • rebars_colorspecifies the fill color for rebars in drawing svg.

   Format: (r, g, b)    r, g, b value should be between 0 to 1, so you may need to divide value of r, g, b by 255 to get its value between 0 to 1    Make sure r, g, b must be float    Example: (0.67, 0.0, 0.0)

  • structure_stroke_widthspecifies the stroke-width of structure in drawing svg.

  • structure_color_stylespecifies the fill style of structure. Set it to "Automatic" to automatically select structure color or "Custom" to choose structure color value from variable structure_color.

  • structure_colorspecifies the fill color for structure in drawing svg. Format: (r, g, b)

  • drawing_left_offsetspecifies the left offset of drawing view on template_file.

  • drawing_top_offsetspecifies the top offset of drawing view on template_file.

  • drawing_min_right_offsetspecifies the minimum right offset of drawing view on template_file.

  • drawing_min_bottom_offsetspecifies the minimum bottom offset of drawing view on template_file.

  • drawing_max_widthspecifies the maximum width of drawing on template_file.

  • drawing_max_heightspecifies the maximum height of drawing on template_file.

  • template_fileis the template file to be used for reinforcement drawing page.

  • dimension_left_offsetspecifies the left offset of dimension from drawing.

  • dimension_right_offsetspecifies the right offset of dimension from drawing.

  • dimension_top_offsetspecifies the top offset of dimension from drawing.

  • dimension_bottom_offsetspecifies the bottom offset of dimension from drawing.

Example
from pathlib import Path
import FreeCAD, Draft, Arch
from ColumnReinforcement import TwoTiesSixRebars
from ReinforcementDrawing import make_reinforcement_drawing

<translate>


# It doesn't work if the structure is not based on a face
</translate>
# Structure = Arch.makeStructure(length=1000, width=400, height=400)

Rect = Draft.makeRectangle(400, 400)
Structure = Arch.makeStructure(Rect, height=1600)
Structure.ViewObject.Transparency = 80
FreeCAD.ActiveDocument.recompute()
<translate>


# Create Straight Rebars
</translate>
RebarGroup = TwoTiesSixRebars.makeTwoTiesSixRebars(
    l_cover_of_ties=40,        
    r_cover_of_ties=40,
    t_cover_of_ties=40,
    b_cover_of_ties=40,
    offset_of_ties=100,
    bent_angle_of_ties=135,
    extension_factor_of_ties=2,
    dia_of_ties=8,
    number_spacing_check=True,
    number_spacing_value=10,
    dia_of_main_rebars=16,
    t_offset_of_rebars=40,
    b_offset_of_rebars=40,
    main_rebars_type="StraightRebar",
    hook_orientation="Top Inside",
    hook_extend_along="x-axis",
    l_rebar_rounding=None,
    hook_extension=None,
    ties_sequence=("Tie1", "Tie2"),
    structure=Structure,
    facename="Face6",
)

rebars = Draft.get_objects_of_type(FreeCAD.ActiveDocument.Objects, "Rebar")

<translate>

# Create Reinforcement Drawing
</translate>
for drawing_view in ("Front", "Rear", "Left", "Right", "Top", "Bottom"):
    make_reinforcement_drawing.makeReinforcementDrawing(
        structure=Structure,
        rebars_list=rebars,
        view=drawing_view,
        rebars_stroke_width=0.35,
        rebars_color_style="Automatic",
        rebars_color=(0.67, 0.0, 0.0),
        structure_stroke_width=0.5,
        structure_color_style="Automatic",
        structure_color=(0.3, 0.9, 0.91),
        drawing_left_offset=20,
        drawing_top_offset=20,
        drawing_min_right_offset=20,
        drawing_min_bottom_offset=20,
        drawing_max_width=0,                    # It is set to 0 to automatically set default width based on other parameters
        drawing_max_height=0,                   # It is set to 0 to automatically set default height based on other parameters
        template_file=str(Path(make_reinforcement_drawing.__file__).parent.absolute() / "Templates" / "A4_Landscape_blank.svg"),
        dimension_left_offset=10,
        dimension_right_offset=10,
        dimension_top_offset=10,
        dimension_bottom_offset=10,
    )

For multiple structures

from ReinforcementDrawing.make_reinforcement_drawing import (
    makeStructuresReinforcementDrawing,
)

structure_drawing_page_dict = makeStructuresReinforcementDrawing(
    structure_list=None,
    rebars_list=None,
    view="Front",
    rebars_stroke_width=REBARS_STROKE_WIDTH,
    rebars_color_style=REBARS_COLOR_STYLE,
    rebars_color=REBARS_COLOR,
    structure_stroke_width=STRUCTURE_STROKE_WIDTH,
    structure_color_style=STRUCTURE_COLOR_STYLE,
    structure_color=STRUCTURE_COLOR,
    drawing_left_offset=DRAWING_LEFT_OFFSET,
    drawing_top_offset=DRAWING_TOP_OFFSET,
    drawing_min_right_offset=DRAWING_MIN_RIGHT_OFFSET,
    drawing_min_bottom_offset=DRAWING_MIN_BOTTOM_OFFSET,
    drawing_max_width=DRAWING_MAX_WIDTH,
    drawing_max_height=DRAWING_MAX_HEIGHT,
    template_file=TEMPLATE_FILE,
)

  • It returns structure_drawing_page_dict, a dictionary with structure as key and corresponding reinforcement drawing page as value.

  • structure_listis the list of structural objects to generate their reinforcement drawing. If not provided, structures will be selected from active document acting as Host for rebar objects.

  • rebars_listis the list of rebar objects to be included in drawing. If not provided, rebars objects having Host in structure_list will be selected from active document.

Example
from pathlib import Path
import FreeCAD, Draft, Arch
from ColumnReinforcement import TwoTiesSixRebars
from ReinforcementDrawing import make_reinforcement_drawing

<translate>


# It doesn't work if the structure is not based on a face
</translate>
# Structure = Arch.makeStructure(length=1000, width=400, height=400)

Rect = Draft.makeRectangle(400, 400)
Structure1 = Arch.makeStructure(Rect, height=1600)
Structure1.ViewObject.Transparency = 80
Structure2 = Arch.makeStructure(Rect, height=1600)
Structure2.ViewObject.Transparency = 80
Structure2.Placement = FreeCAD.Placement(FreeCAD.Vector(1000, 0, 0), FreeCAD.Rotation(FreeCAD.Vector(0, 0, 1), 0))
FreeCAD.ActiveDocument.recompute()
<translate>


# Create Straight Rebars
</translate>
TwoTiesSixRebars.makeTwoTiesSixRebars(
    l_cover_of_ties=40,        
    r_cover_of_ties=40,
    t_cover_of_ties=40,
    b_cover_of_ties=40,
    offset_of_ties=100,
    bent_angle_of_ties=135,
    extension_factor_of_ties=2,
    dia_of_ties=8,
    number_spacing_check=True,
    number_spacing_value=10,
    dia_of_main_rebars=16,
    t_offset_of_rebars=40,
    b_offset_of_rebars=40,
    main_rebars_type="StraightRebar",
    hook_orientation="Top Inside",
    hook_extend_along="x-axis",
    l_rebar_rounding=None,
    hook_extension=None,
    ties_sequence=("Tie1", "Tie2"),
    structure=Structure1,
    facename="Face6",
)
<translate>


# Create LShaped Rebars with hook along x-axis
</translate>
TwoTiesSixRebars.makeTwoTiesSixRebars(
    l_cover_of_ties=40,
    r_cover_of_ties=40,
    t_cover_of_ties=40,
    b_cover_of_ties=40,
    offset_of_ties=100,
    bent_angle_of_ties=135,
    extension_factor_of_ties=2,
    dia_of_ties=8,
    number_spacing_check=True,
    number_spacing_value=10,
    dia_of_main_rebars=16,
    t_offset_of_rebars=-40,
    b_offset_of_rebars=-40,
    main_rebars_type="LShapeRebar",
    hook_orientation="Top Outside",
    hook_extend_along="x-axis",
    l_rebar_rounding=2,
    hook_extension=40,
    ties_sequence=("Tie1", "Tie2"),
    structure=Structure2,
    facename="Face6",
)

<translate>

# Create Reinforcement Drawing
</translate>
for drawing_view in ("Front", "Rear", "Left", "Right", "Top", "Bottom"):
    make_reinforcement_drawing.makeStructuresReinforcementDrawing(
        structure_list=None,
        rebars_list=None,
        view=drawing_view,
        rebars_stroke_width=0.35,
        rebars_color_style="Automatic",
        rebars_color=(0.67, 0.0, 0.0),
        structure_stroke_width=0.5,
        structure_color_style="Automatic",
        structure_color=(0.3, 0.9, 0.91),
        drawing_left_offset=20,
        drawing_top_offset=20,
        drawing_min_right_offset=20,
        drawing_min_bottom_offset=20,
        drawing_max_width=0,                    # It is set to 0 to automatically set default width based on other parameters
        drawing_max_height=0,                   # It is set to 0 to automatically set default height based on other parameters
        template_file=str(Path(make_reinforcement_drawing.__file__).parent.absolute() / "Templates" / "A4_Landscape_blank.svg"),
        dimension_left_offset=10,
        dimension_right_offset=10,
        dimension_top_offset=10,
        dimension_bottom_offset=10,
    )

External Command Reference Reinforcement

documentation index > [External Command Reference](Category_External Command Reference.md) > Arch > Arch Rebar Drawing