Draft OCA: Difference between revisions
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{{GuiCommand |
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|Name=Draft OCA |
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{{Docnav |
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|MenuLocation=File → Export → Open CAD format (*.oca) |
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|[[Draft_SVG|Scalable Vector Graphics .SVG]] |
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|Workbenches=[[Draft Workbench|Draft]] |
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|[[Draft_DAT|Airfoil Data Format .DAT]] |
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|Shortcut=Ctrl+E |
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|[[Draft_Workbench|Draft]] |
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|SeeAlso=[[Draft SVG]], [[Draft DXF]] |
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|IconL= |
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|IconR= |
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|IconC=Workbench_Draft.svg |
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{{TOCright}} |
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This function imports OCA/GCAD files. The [http://groups.google.com/group/open_cad_format OCA file format] is community effort to create a free, simple and open CAD file format. |
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Draft OCA is a software module used by the [[File:Std_Open.svg|24px]] [[Std_Open|Std Open]], [[File:Std_Import.svg|24px]] [[Std_Import|Std Import]] and [[File:Std_Export.svg|24px]] [[Std_Export|Std Export]] commands to handle the [http://groups.google.com/group/open_cad_format OCA file format]. |
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==Importing== <!--T:1--> |
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The following OCA objects |
The following OCA objects can be imported: |
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* Lines |
* Lines |
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* Arcs and Circles |
* Arcs and Circles |
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* Closed areas |
* Closed areas |
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== |
==Exporting== <!--T:4--> |
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Works the same way as opening but creates the objects in the active document instead of creating a new one. |
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The following FreeCAD objects can be exported: |
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* Lines and wires (polylines) |
* Lines and wires (polylines) |
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* Arcs and circles |
* Arcs and circles |
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* Faces |
* Faces |
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== |
==Preferences== <!--T:5--> |
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The following parameters can be specified in the [[Draft Preferences]] tab (menu Edit -> Preferences -> Draft): |
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* Import closed areas or not |
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See [[Import_Export_Preferences|Import Export Preferences]]. |
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{{Emphasis|See also:}} [[Draft API]] and [[FreeCAD Scripting Basics]]. |
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You can export elements to OCA by using the following function: |
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See also: [https://freecad.github.io/SourceDoc/ Autogenerated API documentation] and [[FreeCAD Scripting Basics|FreeCAD Scripting Basics]]. |
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To export objects to OCA use the {{incode|export}} method of the importOCA module. |
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{{Code|code= |
{{Code|code= |
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importOCA.export(exportList, filename) |
importOCA.export(exportList, filename) |
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}} |
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* For the Windows OS: use a {{FileName|/}} (forward slash) as the path separator in {{Incode|filename}}. |
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Example: |
Example: |
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{{Code|code= |
{{Code|code= |
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import |
import FreeCAD as App |
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import Draft |
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import importOCA |
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doc = App.newDocument() |
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doc.recompute() |
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importOCA.export(objects, "/home/user/Pictures/myfile.oca") |
importOCA.export(objects, "/home/user/Pictures/myfile.oca") |
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}} |
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{{Docnav |
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|[[Draft_SVG|Scalable Vector Graphics .SVG]] |
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|[[Draft_DAT|Airfoil Data Format .DAT]] |
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|[[Draft_Workbench|Draft]] |
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|IconL= |
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|IconR= |
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|IconC=Workbench_Draft.svg |
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}} |
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[[Category:File Formats{{#translation:}}]] |
Latest revision as of 08:03, 15 September 2021
Description
Draft OCA is a software module used by the Std Open, Std Import and Std Export commands to handle the OCA file format.
The OCA file format is a community effort to create a free, simple and open CAD file format. OCA is largely based on the GCAD file format generated from gCAD3D. Both formats can be imported in FreeCAD, and the OCA files exported by FreeCAD can be opened in gCAD3D.
Importing
The following OCA objects can be imported:
- Lines
- Arcs and Circles
- Closed areas
Exporting
The following FreeCAD objects can be exported:
- Lines and wires (polylines)
- Arcs and circles
- Faces
Preferences
See Import Export Preferences.
Scripting
See also: Autogenerated API documentation and FreeCAD Scripting Basics.
To export objects to OCA use the export
method of the importOCA module.
importOCA.export(exportList, filename)
- For the Windows OS: use a / (forward slash) as the path separator in
filename
.
Example:
import FreeCAD as App
import Draft
import importOCA
doc = App.newDocument()
polygon1 = Draft.make_polygon(3, radius=500)
polygon2 = Draft.make_polygon(5, radius=1500)
doc.recompute()
objects = [polygon1, polygon2]
importOCA.export(objects, "/home/user/Pictures/myfile.oca")
Draft
- Drafting: Line, Polyline, Fillet, Arc, Arc by 3 points, Circle, Ellipse, Rectangle, Polygon, B-spline, Cubic Bézier curve, Bézier curve, Point, Facebinder, ShapeString, Hatch
- Annotation: Text, Dimension, Label, Annotation styles, Annotation scale
- Modification: Move, Rotate, Scale, Mirror, Offset, Trimex, Stretch, Clone, Array, Polar array, Circular array, Path array, Path link array, Point array, Point link array, Edit, Subelement highlight, Join, Split, Upgrade, Downgrade, Wire to B-spline, Draft to sketch, Set slope, Flip dimension, Shape 2D view
- Draft Tray: Select plane, Set style, Toggle construction mode, AutoGroup
- Snapping: Snap lock, Snap endpoint, Snap midpoint, Snap center, Snap angle, Snap intersection, Snap perpendicular, Snap extension, Snap parallel, Snap special, Snap near, Snap ortho, Snap grid, Snap working plane, Snap dimensions, Toggle grid
- Miscellaneous: Apply current style, Layer, Manage layers, Add a new named group, Move to group, Select group, Add to construction group, Toggle normal/wireframe display, Create working plane proxy, Heal, Show snap toolbar
- Additional: Constraining, Pattern, Preferences, Import Export Preferences, DXF/DWG, SVG, OCA, DAT
- Context menu:
- Layer container: Merge layer duplicates, Add new layer
- Layer: Activate this layer, Select layer contents
- Text: Open hyperlinks
- Wire: Flatten
- Working plane proxy: Write camera position, Write objects state
User documentation
- Getting started
- Installation: Download, Windows, Linux, Mac, Additional components, Docker, AppImage, Ubuntu Snap
- Basics: About FreeCAD, Interface, Mouse navigation, Selection methods, Object name, Preferences, Workbenches, Document structure, Properties, Help FreeCAD, Donate
- Help: Tutorials, Video tutorials
- Workbenches: Std Base, Arch, Assembly, CAM, Draft, FEM, Inspection, Mesh, OpenSCAD, Part, PartDesign, Points, Reverse Engineering, Robot, Sketcher, Spreadsheet, Surface, TechDraw, Test Framework
- Hubs: User hub, Power users hub, Developer hub