Draft DXF/pt-br: Difference between revisions

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==Description==

Draft DXF is a software module used by the [[File:Std_Open.svg|24px]] [[Std_Open|Std Open]], [[Std_Import|Std Import]] and [[Std_Export|Std Export]] commands to handle the DXF file format.

[[Image:Screenshot qcad.jpg]]
{{Caption|Qcad drawing exported to DXF, which is subsequently opened in FreeCAD}}

==Importing==

DXF versions R12 - 2007 are supported.


The following DXF objects can be imported:
===Opening===
This function opens a DXF file (any version from 12 to 2007) in a new drawing.
The following DXF object types are currently supported:
* lines
* lines
* polylines and lwpolylines
* polylines and lwpolylines
* circles
* circles
* arcs
* arcs
* layers (layers containing objects are conveted to FreeCAD Groups)
* layers (layers containing objects are converted to FreeCAD Groups)
* texts and mtexts
* texts and mtexts
* dimensions
* dimensions
* blocks (only geometry. texts, dims and attributes inside blocks will be skipped)
* blocks (only geometry. texts, dims and attributes inside blocks will be skipped)
* points {{Version|0.13}}
* points
* leaders {{Version|0.13}}
* leaders
* ... (list is incomplete).
Other DXF entities are currently not imported because there is no corresponding FreeCAD object. As new functionality gets implemented, it will be possible to import more entity types.


===Importing===
==Exporting==
This works the same way as opening, but it will add the contents of the dxf file in the active documento instead of creating a new document.


Files are exported in the R12 DXF format which can be handled by many applications.
Tutorial: [[Dxf_Importer_Install|Dxf Importer Install]]


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The following FreeCAD objects can be exported:
===Exporting===
The exported DXF is compatible with Autocad version 12 and up, so it should open in about any application that supports dxf format.
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Currently the following FreeCAD objects get exported:
* lines and wires (polylines)
* lines and wires (polylines)
* arcs and circles
* arcs and circles
Line 29: Line 45:
* colors are mapped from objects RGB colors to autocad color index (ACI). Black will always be "by layer"
* colors are mapped from objects RGB colors to autocad color index (ACI). Black will always be "by layer"
* layers are mapped from group names. When groups are nested, the deepest group gives the layer name.
* layers are mapped from group names. When groups are nested, the deepest group gives the layer name.
* dimensions, which are exported with "Standard" dimstyle
* dimensions, which are exported with "Standard" dimstyle.
* ... (list is incomplete).


===Preferences===
==Installing==
The following parameters can be specified in the [[Draft Preferences]] tab (menu Edit -> Preferences -> Draft):
* Import style: This lets you choose the way objects from the dxf file will be drawn in FreeCAD. You can choose between:
** None: this is the faster way, there is no conversion, all objects will be black with 2px width (FreeCAD default)
** Use default color and linewidth: All imported dxf objects will take current linewidth/color from the draft command bar
** Original color and linewidth: Objects will keep the color and linewidth (if specified) they have in the dxf file
** Colors mapped to linewidth: If this option is selected, the mapping file option below is used.
* Color mapping file: This allows you to specify a mapping file to be used for translating dxf colors to color and linewidth, the same way as a plot style works in Autocad. The mapping file must be a tab-separated text file. There is a nice free utility called [http://www.noliturbare.com/TablePrintGUI.php Plot style viewer] that can convert Autocad CTB or STB (plot styles) files to tab-separated mapping files ready to use in FreeCAD. Alternatively, we have a couple of [[Draft_mapping_files|home-made mapping files]] availables here.
* Import texts: This allows you to specify if you want to import dxf texts and dimensions or not. Many texts might make your work in FreeCAD very heavy, so you might want to use this option some time.
* Import layout objects: Turn this on if you want to import paper space object. They will be merged in the same document than model space objects.


For licensing reasons, the required [[DXF|DXF]] import/export libraries are not part of the FreeCAD source code.
For more information see: [[FreeCAD_and_DXF_Import|FreeCAD and DXF Import]].

==Preferences==

For more information see: [[Import_Export_Preferences|Import Export Preferences]].

==Scripting==
{{Emphasis|See also:}} [[Draft API]] and [[FreeCAD Scripting Basics]].

You can export elements to DXF by using the following function:
{{Code|code=
importDXF.export(objectslist, filename, nospline=False, lwPoly=False)
}}

Example:
{{Code|code=
import Draft, importDXF

Polygon1 = Draft.makePolygon(3, radius=500)
Polygon2 = Draft.makePolygon(5, radius=1500)

objects = [Polygon1, Polygon2]

importDXF.export(objects, "/home/user/Pictures/myfile.dxf")
}}

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[[Category:User Documentation/pt-br]]
[[Category:User Documentation/pt-br]]
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Revision as of 20:16, 6 April 2020

Other languages:

Description

Draft DXF is a software module used by the Std Open, Std Import and Std Export commands to handle the DXF file format.

Qcad drawing exported to DXF, which is subsequently opened in FreeCAD

Importing

DXF versions R12 - 2007 are supported.

The following DXF objects can be imported:

  • lines
  • polylines and lwpolylines
  • circles
  • arcs
  • layers (layers containing objects are converted to FreeCAD Groups)
  • texts and mtexts
  • dimensions
  • blocks (only geometry. texts, dims and attributes inside blocks will be skipped)
  • points
  • leaders
  • ... (list is incomplete).

Exporting

Files are exported in the R12 DXF format which can be handled by many applications.

The following FreeCAD objects can be exported:

  • lines and wires (polylines)
  • arcs and circles
  • texts
  • colors are mapped from objects RGB colors to autocad color index (ACI). Black will always be "by layer"
  • layers are mapped from group names. When groups are nested, the deepest group gives the layer name.
  • dimensions, which are exported with "Standard" dimstyle.
  • ... (list is incomplete).

Installing

For licensing reasons, the required DXF import/export libraries are not part of the FreeCAD source code. For more information see: FreeCAD and DXF Import.

Preferences

For more information see: Import Export Preferences.

Scripting

See also: Draft API and FreeCAD Scripting Basics.

You can export elements to DXF by using the following function: 

importDXF.export(objectslist, filename, nospline=False, lwPoly=False)

Example: 

import Draft, importDXF

Polygon1 = Draft.makePolygon(3, radius=500)
Polygon2 = Draft.makePolygon(5, radius=1500)

objects = [Polygon1, Polygon2]

importDXF.export(objects, "/home/user/Pictures/myfile.dxf")
Draft
User documentation
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