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Arch Rebar Dimensioning

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

Description

The Reinforcement Dimensioning tool allows the user to create dimensioning for reinforcing bars in Reinforcement Drawing.

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 and dimensioning from different views for each Arch Structure element.

from ReinforcementDrawing.make_reinforcement_drawing import (
    makeStructuresReinforcementDrawing,
)

for view in ("Front", "Rear", "Left", "Right", "Top", "Bottom"):
    struct_drawing_page_dict = makeStructuresReinforcementDrawing(
        view=view, perform_dimensioning=True
    )
    for drawing_page in struct_drawing_page_dict.values():
        drawing_view = drawing_page.Views[0]
        drawing_view.setExpression(
            "LeftOffset",
            u".Template.Width.Value / 2 - .Width.Value * .Scale / 2",
        )
        drawing_view.setExpression(
            "TopOffset",
            u".Template.Height.Value / 2 - .Height.Value * .Scale / 2",
        )
        drawing_view.recompute(True)
        drawing_page.recompute(True)

ReinforcementDimensioning Object

A Rebar Dimensioning SVG View object.

Properties

  • ParentDrawingView: The parent ReinforcementDrawingView object containing drawing of Rebar object.

  • Rebar: The Rebar object to perform dimensioning.

  • WayPointsType: The WayPoints type of dimension line. It can be "Automatic" (to automatically perform dimensioning of Rebar object) or "Custom" to use WayPoints to perform dimensioning.

  • WayPoints: A list of vector points to be used to generate dimension line.

  • TextPositionType: The position type of dimension text. It can be "StartOfLine", "MidOfLine" or "EndOfLine".

  • DimensionFormat: The dimension label format.

   Example: "%M %C⌀%D,span=%S"    Here: %M -> Rebar.Mark          %C -> Rebar.Amount          %D -> Rebar.Diameter          %S -> Rebar span length

  • Font: The font family of dimension label.

  • FontSize: The font size of dimension label.

  • StrokeWidth: The stroke width of dimension line.

  • LineStyle: The stroke style of dimension line. It can be "Continuous", "Dash", "Dot", "DashDot" or "DashDotDot".

  • LineColor: The color of dimension line.

  • TextColor: The color of dimension label.

  • LineStartSymbol: The start symbol of dimension line. It can be "FilledArrow", "Tick", "Dot" or "None".

  • LineEndSymbol: The end symbol of dimension line. It can be "FilledArrow", "Tick", "Dot" or "None".

  • LineMidPointSymbol: The mid points symbol of dimension line. It can be "Tick", "Dot" or "None".

  • DimensionLeftOffset: The left offset for automated reinforcement dimensioning.

  • DimensionRightOffset: The right offset for automated reinforcement dimensioning.

  • DimensionTopOffset: The top offset for automated reinforcement dimensioning.

  • DimensionBottomOffset: The bottom offset for automated reinforcement dimensioning.

  • SingleRebar_LineStartSymbol: The dimension line start symbol, in case of single rebar is visible. It can be "FilledArrow", "Tick", "Dot" or "None". It is used only when WayPointsType is set to "Automatic".

  • SingleRebar_LineEndSymbol: The dimension line end symbol, in case of single rebar is visible. It can be "FilledArrow", "Tick", "Dot" or "None". It is used only when WayPointsType is set to "Automatic".

  • MultiRebar_LineStartSymbol: The dimension line start symbol, in case of multiple rebars are visible. It can be "FilledArrow", "Tick", "Dot" or "None". It is used only when WayPointsType is set to "Automatic".

  • MultiRebar_LineEndSymbol: The dimension line end symbol, in case of multiple rebars are visible. It can be "FilledArrow", "Tick", "Dot" or "None". It is used only when WayPointsType is set to "Automatic".

  • SingleRebar_OuterDimension: It specifies if dimension lines are to be outside of reinforcement drawing, in case of single rebar is visible. It is used only when WayPointsType is set to "Automatic".

  • MultiRebar_OuterDimension: It specifies if dimension lines are to be outside of reinforcement drawing, in case of multiple rebars are visible. It is used only when WayPointsType is set to "Automatic".

  • SingleRebar_TextPositionType: It specifies the dimension label position type, in case of single rebar is visible. It can be "StartOfLine", "MidOfLine" or "EndOfLine". It is used only when WayPointsType is set to "Automatic".

  • MultiRebar_TextPositionType: It specifies the dimension label position type, in case of multiple rebars are visible. It can be "StartOfLine", "MidOfLine" or "EndOfLine". It is used only when WayPointsType is set to "Automatic".

Scripting

See also:

Arch API, Reinforcement API, Reinforcement Drawing and FreeCAD Scripting Basics.

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

Create Reinforcement Dimensioning Object

from ReinforcementDrawing.ReinforcementDimensioning import (
    makeReinforcementDimensioningObject,
)

dimension_object = makeReinforcementDimensioningObject(
    rebar,
    parent_drawing_view,
    drawing_page=None,
    dimension_label_format="%M %C⌀%D,span=%S",
    dimension_font_family="DejaVu Sans",
    dimension_font_size=3,
    dimension_stroke_width=0.25,
    dimension_line_style="Continuous",
    dimension_line_color=(0.0, 0.0, 0.50),
    dimension_text_color=(0.0, 0.33, 0.0),
    dimension_single_rebar_line_start_symbol="None",
    dimension_single_rebar_line_end_symbol="FilledArrow",
    dimension_multi_rebar_line_start_symbol="FilledArrow",
    dimension_multi_rebar_line_end_symbol="FilledArrow",
    dimension_line_mid_point_symbol="Dot",
    dimension_left_offset_increment=10,
    dimension_right_offset_increment=10,
    dimension_top_offset_increment=10,
    dimension_bottom_offset_increment=10,
    dimension_single_rebar_outer_dim=False,
    dimension_multi_rebar_outer_dim=True,
    dimension_single_rebar_text_position_type="StartOfLine",
    dimension_multi_rebar_text_position_type="MidOfLine",
)

  • Creates and return a ReinforcementDimensioning object for given rebar object.

  • parent_drawing_viewis the ReinforcementDrawingView object containing drawing of rebar object.

  • drawing_pageis the object of type TechDraw::DrawPage used to show parent_drawing_view.

  • dimension_label_formatis the format used for dimension label.

   Example: "%M %C⌀%D,span=%S"    Here: %M -> Rebar.Mark          %C -> Rebar.Amount          %D -> Rebar.Diameter          %S -> Rebar span length

  • dimension_font_familyis the font family of dimension label.

  • dimension_font_sizeis the font size of dimension label.

  • dimension_stroke_widthis the stroke-width of dimension line.

  • dimension_line_styleis the stroke style of dimension line. It can be "Continuous", "Dash", "Dot", "DashDot" or "DashDotDot".

  • dimension_line_coloris the color of dimension line.

   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

  • dimension_text_coloris the color of dimension label.

  • dimension_single_rebar_line_start_symbolis the dimension line start symbol, in case of single rebar is visible. It can be "FilledArrow", "Tick", "Dot" or "None".

  • dimension_single_rebar_line_end_symbolis the dimension line end symbol, in case of single rebar is visible. It can be "FilledArrow", "Tick", "Dot" or "None".

  • dimension_multi_rebar_line_start_symbolis the dimension line start symbol, in case of multiple rebars are visible. It can be "FilledArrow", "Tick", "Dot" or "None".

  • dimension_multi_rebar_line_end_symbolis the dimension line end symbol, in case of multiple rebars are visible. It can be "FilledArrow", "Tick", "Dot" or "None".

  • dimension_line_mid_point_symbolis the dimension line mid points symbol. It can be "Tick", "Dot" or "None".

  • dimension_left_offset_incrementis the increment in left offset to move each new dimension label away from drawing.

  • dimension_right_offset_incrementis the increment in right offset to move each new dimension label away from drawing.

  • dimension_top_offset_incrementis the increment in top offset to move each new dimension label away from drawing.

  • dimension_bottom_offset_incrementis the increment in bottom offset to move each new dimension label away from drawing.

  • dimension_single_rebar_outer_dimspecifies if dimension lines are to be outside of reinforcement drawing, in case of single rebar is visible.

  • dimension_multi_rebar_outer_dimspecifies if dimension lines are to be outside of reinforcement drawing, in case of multiple rebars are visible.

  • dimension_single_rebar_text_position_typespecifies the dimension label position type, in case of single rebar is visible. It can be "StartOfLine", "MidOfLine" or "EndOfLine".

  • dimension_multi_rebar_text_position_typespecifies the dimension label position type, in case of multiple rebars are visible. It can be "StartOfLine", "MidOfLine" or "EndOfLine".

Example
from pathlib import Path
import FreeCAD, Draft, Arch
from ColumnReinforcement import TwoTiesSixRebars
from ReinforcementDrawing import make_reinforcement_drawing
from ReinforcementDrawing.ReinforcementDimensioning import (
    makeReinforcementDimensioningObject,
)

<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>
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>
drawing_page = make_reinforcement_drawing.makeReinforcementDrawing(
    structure=Structure,
    rebars_list=rebars,
    view="Front",
    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,
)

visible_rebars = drawing_page.Views[0].VisibleRebars

<translate>

# Create Reinforcement Dimensioning for single rebar
</translate>
makeReinforcementDimensioningObject(
    visible_rebars[0],
    parent_drawing_view,
    drawing_page=None,
    dimension_label_format="%M %C⌀%D,span=%S",
    dimension_font_family="DejaVu Sans",
    dimension_font_size=3,
    dimension_stroke_width=0.25,
    dimension_line_style="Continuous",
    dimension_line_color=(0.0, 0.0, 0.50),
    dimension_text_color=(0.0, 0.33, 0.0),
    dimension_single_rebar_line_start_symbol="None",
    dimension_single_rebar_line_end_symbol="FilledArrow",
    dimension_multi_rebar_line_start_symbol="FilledArrow",
    dimension_multi_rebar_line_end_symbol="FilledArrow",
    dimension_line_mid_point_symbol="Dot",
    dimension_left_offset_increment=10,
    dimension_right_offset_increment=10,
    dimension_top_offset_increment=10,
    dimension_bottom_offset_increment=10,
    dimension_single_rebar_outer_dim=False,
    dimension_multi_rebar_outer_dim=True,
    dimension_single_rebar_text_position_type="StartOfLine",
    dimension_multi_rebar_text_position_type="MidOfLine",
)

<translate>

# Create Reinforcement Dimensioning for all visible rebars in drawing view
</translate>
for visible_rebar in visible_rebars:
    makeReinforcementDimensioningObject(
        visible_rebar,
        parent_drawing_view,
        drawing_page=None,
        dimension_label_format="%M %C⌀%D,span=%S",
        dimension_font_family="DejaVu Sans",
        dimension_font_size=3,
        dimension_stroke_width=0.25,
        dimension_line_style="Continuous",
        dimension_line_color=(0.0, 0.0, 0.50),
        dimension_text_color=(0.0, 0.33, 0.0),
        dimension_single_rebar_line_start_symbol="None",
        dimension_single_rebar_line_end_symbol="FilledArrow",
        dimension_multi_rebar_line_start_symbol="FilledArrow",
        dimension_multi_rebar_line_end_symbol="FilledArrow",
        dimension_line_mid_point_symbol="Dot",
        dimension_left_offset_increment=10,
        dimension_right_offset_increment=10,
        dimension_top_offset_increment=10,
        dimension_bottom_offset_increment=10,
        dimension_single_rebar_outer_dim=False,
        dimension_multi_rebar_outer_dim=True,
        dimension_single_rebar_text_position_type="StartOfLine",
        dimension_multi_rebar_text_position_type="MidOfLine",
    )

External Command Reference Reinforcement

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