UnderlayDefinition

UnderlayDefinition (DXF Reference) defines an underlay file, which can be placed by the Underlay entity.

Subclass of	`ezdxf.entities.DXFObject`
DXF type	internal base class
Factory function (1)	`ezdxf.document.Drawing.add_underlay_def()`
Factory function (2)	`ezdxf.sections.objects.ObjectsSection.add_underlay_def()`

class ezdxf.entities.UnderlayDefinition

Base class of PdfDefinition, DwfDefinition and DgnDefinition

dxf.filename

Relative (to the DXF file) or absolute path to the underlay file as string.

dxf.name

Defines which part of the underlay file to display.

“pdf”

PDF page number

“dgn”

always “default”

“dwf”

?

Warning

Do not instantiate object classes by yourself - always use the provided factory functions!

PdfDefinition

Subclass of	`ezdxf.entities.UnderlayDefinition`
DXF type	`'PDFDEFINITION'`
Factory function (1)	`ezdxf.document.Drawing.add_underlay_def()`
Factory function (2)	`ezdxf.sections.objects.ObjectsSection.add_underlay_def()`

class ezdxf.entities.PdfDefinition: PDF underlay file.

DwfDefinition

Subclass of	`ezdxf.entities.UnderlayDefinition`
DXF type	`'DWFDEFINITION'`
Factory function (1)	`ezdxf.document.Drawing.add_underlay_def()`
Factory function (2)	`ezdxf.sections.objects.ObjectsSection.add_underlay_def()`

class ezdxf.entities.DwfDefinition: DWF underlay file.

DgnDefinition

Subclass of	`ezdxf.entities.UnderlayDefinition`
DXF type	`'DGNDEFINITION'`
Factory function (1)	`ezdxf.document.Drawing.add_underlay_def()`
Factory function (2)	`ezdxf.sections.objects.ObjectsSection.add_underlay_def()`

class ezdxf.entities.DgnDefinition: DGN underlay file.