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#CV-2x3-126
agreements on the limited subset of text style entities and attributes to be supported
| number |
#CV-06-126 |
| based on |
IFC2x3 |
| effects |
extended coordination view |
| date |
05. May 2006 |
| initiator |
ISG meeting Munich |
| summary | agreements on the limited subset of text style entities and attributes to be supported |
Description
For the implementation of text within the IFC2x3 extended coordination view the following agreements and limitations are made:
- the supported text is available as model text (vector based test) and drafting text (true text fonts), only the drafting text is exported
- the IfcTextStyle is supported with TextFontStyle being IfcTextStyleFontModel, using Name, FontFamily and FontSize (drafting height), and TextCharacterAppearance being IfcTextStyleForDefinedFont using Colour
- the length measures used within the IfcTextStyle are all given as drafting values (1:1 on paper)
In addition to the style, the text is placed within the model by IfcTextLiteral (and subtype IfcTextLiteralWithExtend. The following agreements are made:
- IfcTextLiteral is supported for single line text
- IfcTextLiteralWithExtent is supported for single and multi-line text
- the attributes Placement, Literal and Extent are supported, Path is always assumed to be .LEFT.
- the BoxAlignment may be supported (to be determined yet)
Addition: 14.05.2007
- any text in IFC2x3 coordination view is a model text - i.e. the text style refers to model units