Design and development of automatic drawing system for construction deepening based on BIM

doi:10.11996/JG.j.2095-302X.2023040801

Abstract

Abstract:

In response to the low efficiency and inconvenience of current BIM software for drawing construction detailing drawings, a technology and system for the automatic generation of such drawings based on BIM was proposed and developed. This technology explored the conventional family and special-shaped family in the construction detailing model, and studied family identification and information matching technology, thus ensuring the completeness of the parameter information of the component family in the generated drawings. By extracting the information of the component size, positioning, engineering attributes, and other information in the model, we automatically generated labeling and output 2D drawings. Drawing lines, layers, and other drawing standards were controlled through prefabricated view templates to ensure that the generated drawings meet general drawing requirements. A BIM drawing system was then developed, and a drawing evaluation standard was formulated based on the output drawings and used to verify the feasibility of the drawing system. Finally, the drawing system was applied in engineering in combination with the evaluation standard. The application results showed that the BIM drawing system could quickly and automatically generate drawings that meet engineering standards, thus ensuring both the quality and efficiency of drawings.

Key words: BIM, model drawing, re-development, identification of special-shaped components, automatic labeling

CLC Number:

TP391

CHEN Jing, YU Fang-qiang, YI Si-kun, QIU Chun-hua, CAO Ying. Design and development of automatic drawing system for construction deepening based on BIM[J]. Journal of Graphics, 2023, 44(4): 801-809.

Figures/Tables 11

References 14

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基本函数名称	说明
FilteredElementCollector (Document)	构造一个新的FilteredElementCollector，将搜索和过滤文档中的元素集
FilteredElementCollector (Document, ElementId)	构造一个新的FilteredElementCollector，将搜索和过滤视图中的可见元素， ElementId为视图的ID
FilteredElementCollector (Document, ICollection<(Of <<'(ElementId>)>>))	构造一个新的FilteredElementCollector，将搜索和过滤一组指定的元素
ContainedInDesignOption	添加一个设计选项DesignOption过滤

基本函数名称	说明
FilteredElementCollector (Document)	构造一个新的FilteredElementCollector，将搜索和过滤文档中的元素集
FilteredElementCollector (Document, ElementId)	构造一个新的FilteredElementCollector，将搜索和过滤视图中的可见元素， ElementId为视图的ID
FilteredElementCollector (Document, ICollection<(Of <<'(ElementId>)>>))	构造一个新的FilteredElementCollector，将搜索和过滤一组指定的元素
ContainedInDesignOption	添加一个设计选项DesignOption过滤

基本函数名称	说明
Autodesk.Revit.Creation.ItemFactoryBase	包括对齐、线型、角度、半径、直径、弧长的尺寸标注
NewAngularDimension(View, Arc, Reference, Reference)	角度标尺的创建
Document.NewSpotElevation(View view, Reference ref, XYZ orgin, XYZ bend, XYZ end, XYZ refPt, bool hasLeader)	高程点标注的创建

基本函数名称	说明
Autodesk.Revit.Creation.ItemFactoryBase	包括对齐、线型、角度、半径、直径、弧长的尺寸标注
NewAngularDimension(View, Arc, Reference, Reference)	角度标尺的创建
Document.NewSpotElevation(View view, Reference ref, XYZ orgin, XYZ bend, XYZ end, XYZ refPt, bool hasLeader)	高程点标注的创建

分项		出图系统标准
文字	字体	长仿宋体、黑体
文字	字高	A2，A3，A4图幅：3.5 mm；A0，A1图幅：5.0 mm
比例	梁板图、墙柱图	1∶100
比例	节点图	1∶20
符号	剖切符号	由剖切位置线及剖视方向组成
	索引符号	由直径为8~10 mm的圆和水平直径组成
	引出线	由水平方向直线与水平夹角成固定角度线组成
标注	尺寸界线	由细实线绘制，应与被注长度垂直
	尺寸线	由细实线绘制，应与被注长度平行
	起止符号	由粗斜短线绘制，长度宜2~3 mm
	标高	由标高符号与数字组成
图线	线型	可见轮廓线为实线；不可见轮廓线为虚线；轴线及中心线为点划线；分区为虚线；断开界线为折断线或波浪线；其余一般为实线
	线宽	轮廓线取1 mm；不可见轮廓线取0.7 mm；轴线及中心线取0.25 mm；分区取0.7 mm；断开界线取0.25 mm；其余一般取0.25 mm
	颜色	每个分项结构构件、图例标识均保证有独立可分辨颜色
图例	洞口	由折线绘制，折线与洞口形状应形成封闭图形并填充
图例	升降板填充	不同标高填充使用不同样式图形