Curves GordonSurface/it: Difference between revisions
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{{GuiCommand |
{{GuiCommand |
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|Name=Curves GordonSurface |
|Name=Curves GordonSurface |
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|MenuLocation= |
|MenuLocation=Surfaces → Gordon surface |
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|Workbenches=[[Curves_Workbench|Curves]] |
|Workbenches=[[Curves_Workbench|Curves]] |
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|Shortcut=None |
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|SeeAlso= |
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}} |
}} |
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==Descrizione== |
==Descrizione== |
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The [[Image:Curves_GordonSurface.svg|24px]] [[Curves_GordonSurface|Curves GordonSurface]] creates a surface that skins a network of curves. This tool is part of the [[ |
The [[Image:Curves_GordonSurface.svg|24px]] [[Curves_GordonSurface|Curves GordonSurface]] creates a surface that skins a network of curves. This tool is part of the [[External_workbenches|external workbench]] called [[Curves_Workbench|Curves]]. |
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[[File:GordonSurf-1.png|800px]] |
[[File:GordonSurf-1.png|800px]] |
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#* The sketches containing the extent/shape (yellow) lines will typically reference external geometry from the "rib" sketches for accurate positioning. |
#* The sketches containing the extent/shape (yellow) lines will typically reference external geometry from the "rib" sketches for accurate positioning. |
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# These need to be created before the next step. |
# These need to be created before the next step. |
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# Switch to the [[Image:Curves_workbench_icon.svg|24px]] [[Curves_Workbench|Curves]] workbench (install from [[Image: |
# Switch to the [[Image:Curves_workbench_icon.svg|24px]] [[Curves_Workbench|Curves]] workbench (install from [[Image:Std_AddonMgr.svg|24px]] [[Std_AddonMgr|Addon Manager]] is necessary, if not previously installed) |
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# Now select all the lines of that will define the surface. |
# Now select all the lines of that will define the surface. |
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# The order of selection defines the stitching or tenting order. |
# The order of selection defines the stitching or tenting order. |
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# To invoke the command, do one of the following: |
# To invoke the command, do one of the following: |
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#* Press the [[Image:Curves_GordonSurface.svg|24px]] button |
#* Press the [[Image:Curves_GordonSurface.svg|24px]] button |
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#* Use the {{MenuCommand| |
#* Use the {{MenuCommand|Surfaces → Gordon surface}} |
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==Properties== |
==Properties== |
Latest revision as of 07:58, 10 May 2021
Curves GordonSurface |
Menu location |
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Surfaces → Gordon surface |
Workbenches |
Curves |
Default shortcut |
None |
Introduced in version |
- |
See also |
None |
Descrizione
The Curves GordonSurface creates a surface that skins a network of curves. This tool is part of the external workbench called Curves.
Utilizzo
- A Gordon surface requires a network of lines or curves that create a support network for the surface.
- The surface will be "tented" between and over these lines.
- In the example above the blue lines (or ribs) represent the shape of the surface at different points along surface.
- These can be thought of as cross sections along the surface. Or, like supports that the surface will "tent" over.
- The yellow lines represent the extent and shape of the surface between the cross sections ("ribs") defined by the blue lines.
- These lines (blue & yellow) can be created in sketches.
- The sketches containing the blue ribs would typically have a placement offset.
- Each "rib" is in a separate sketch.
- The sketches containing the extent/shape (yellow) lines will typically reference external geometry from the "rib" sketches for accurate positioning.
- The sketches containing the blue ribs would typically have a placement offset.
- These need to be created before the next step.
- Switch to the Curves workbench (install from Addon Manager is necessary, if not previously installed)
- Now select all the lines of that will define the surface.
- The order of selection defines the stitching or tenting order.
- Use multi-select to select all lines defining the surface. (Left click while holding the Ctrl key.)
- Select the ribs first, in order. (In the example above, select the blue lines from left to right. or right to left.)
- Continue to hold the Ctrl key and select the extent lines. (Yellow lines in the example above.)
- To invoke the command, do one of the following:
Properties
- DatiPlacement: Can be used to adjust the placement of the resulting Gordon surface. See: Placement
- Note: The Placement properties do not adjust the placement of the curves/lines used to create the surface, only the surface.
- DatiLabel: User specified label (name) for the surface. (Default: Gordon)
- DatiOutput: Defines the output type. (Default: Surface, Options: Surface, Wireframe)
- DatiGordon>Max Ctrl Pts: (Default: 80)
- DatiGordon>Sources: User selected lines that are used to create the Gordon surface.
- DatiGordon>Tol3D: 3D tolerance (Default: 0.01)
- DatiWireframe>Samples U: Number of samples in the U direction. (Default: 16)
- This value is used to determine density of the mesh when the Output property is set to Wireframe.
- DatiWireframe>Samples V: Number of samples in the V direction. (Default: 16)
- This value is used to determine density of the mesh when the Output property is set to Wireframe.
- Gordon surface in wire frame mode, U=16, V=16
Notes
- The curves of each group (ribs and rails) should touch all curves of the other group.
- In other words, they must form a grid or net pattern as shown here:
- In general, the surface normal of the resulting Gordon surface will be determined by the direction of the ribs.
In this example, the surface on the left, the rails were drawn from +Y to -Y and the resulting surface normal is +Z
On the right, the ribs are drawn from -Y to +Y, resulting in the surface normal oriented -Z.
- Part Extrude can be used to create a solid from the surface.
- PartDesign Pad can also create a solid from the surface. Dragging the surface into a Body creates a Base Feature that can then be padded.
Limitations
TODO
Scripting
Curves
- Curves IsoCurve, Curves JoinCurve, Curves ParametricComb, Curves ParametricSolid, .................
User documentation
- Getting started
- Installation: Download, Windows, Linux, Mac, Additional components, Docker, AppImage, Ubuntu Snap
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- Help: Tutorials, Video tutorials
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- Hubs: User hub, Power users hub, Developer hub