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--- labs:panelingcommands [2016/03/18]
+++ labs:panelingcommands [2020/08/14] (current)
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+======PanelingTools Commands======
+> **Summary:** //Command descriptions of [[labs:panelingtools|PanelingTools]] plug-in for Rhino 4.0//
+\\
+=====Background=====
+Panels are repeated patterns on surfaces, polysurfaces, or a grid of points.  [[labs:panelingtools|PanelingTools]] offers two ways to create panels.  The first is to use an ordered paneling grid of points (ordered by row and column) and the second is by objects ([[rhino:nurbs|NURBS]] surface or polysurface). Panels are added in the form of edges, faces borders, face patches, flat faces, and a mesh. All panels are serialized.
+PanelingTools use some geometry concepts such as NURBS curves and surfaces, the U and V direction of a NURBS surface, trimmed vs untrimmed surfaces and polysurfaces.  For a quick review, you can check the [[rhino:nurbssurfaces|NURBS Surfaces]] wiki page.
+\\
+**Paneling by ordered grid of points**
+  * Step one: Create an ordered grid of points
+Points must be ordered in rows and columns.  Each point location is marked in its object name (shows in the object properties).
+//Syntax is: Name(intRow)(intColumn)//
+{{:legacy:en:pt_top.PNG}}
+While PanelingTools offers many commands to create the ordered grid, you can create your own, through scripting for example.  All that is required is to name point-objects and use for paneling.
+Another advantage of separating grid generation from paneling is that you can edit the grid before paneling.  You can run commands like pull, project, or transform to edit the grid, then panel.
+  * //Step two: Create panels//
+Select an ordered point grid, a reference object (optional), pattern, and the kind of output you like to get.  Custom paneling and quads is also possible.
+\\
+**Paneling surfaces and polysurfaces directly**
+These are tools to panel directly using a reference surface or polysurface.
+It is also possible to combine grid generation commands with paneling by grid commands using macros.  Here is an example where you can have a PanelByGridArray:
+//ptGridArray //Pause //Pause //ptPanelGrid _Enter
+\\
+----
+=====Command descriptions=====
+\\
+====Toolbars====
+[[labs:panelingtools|PanelingTools]] toolbars offers two sets of scripted commands that combine grid generation with paneling. Toolbars are available to download.
+{{:legacy:en:menu_6_8_2009.PNG}}
+\\
+\\
+====Menu====
+Note that the PanelingTools drop-down menu shows only after PanelingTools is loaded (usually after calling one of the plug-in commands for the first time in a session).
+\\
+====Available commands====
+|Grid Creation|Grid Editing|Paneling|Others|
+| {{:legacy:en:i_dividecrv.PNG}} [[#ptDivideCurveSpan]] | {{:legacy:en:i_dir.PNG}} [[#ptDirection]] | {{:legacy:en:i_panelbysrf.PNG}} [[#ptPanelSurface]] | {{:legacy:en:i_tag.PNG}} [[#ptTagObject]] |
+| {{:legacy:en:i_dividecrvdis.PNG}} [[#ptDivideCurveByDirectDistance]] | {{:legacy:en:i_dirrow.PNG}} [[#ptRowsDirection]] | {{:legacy:en:i_panelbydir.PNG}} [[#ptPanelCurve]] | {{:legacy:en:i_unifydir.PNG}} [[#ptUnifyCurvesDirection]] |
+| {{:legacy:en:i_gridbyarray.PNG}} [[#ptGridArray]] | {{:legacy:en:i_compactgrid.PNG}} [[#ptCompactGrid]] | {{:legacy:en:i_m3d.PNG}} [[#ptManage3dPatterns]] | {{:legacy:en:i_srfbygrid.PNG}} [[#ptSurfaceFromGridOfEditPoints]] |
+| {{:legacy:en:i_gridbyarraypolar.PNG}} [[#ptGridArrayPolar]] | {{:legacy:en:i_closegrid.PNG}} [[#ptCloseGrid]] | {{:legacy:en:i_panel3d.PNG}} [[#ptPanel3D]] | {{:legacy:en:i_srfbyctrlgrid.PNG}} [[#ptSurfaceFromGridOfControlPoints]] |
+| {{:legacy:en:i_gridby1crv.PNG}} [[#ptGridExtrude1]] | {{:legacy:en:i_seam.PNG}} [[#ptGridSeam]] | {{:legacy:en:i_p3d.PNG}} [[#ptPanel3DCustom]] | {{:legacy:en:i_serial.PNG}} [[#ptSerializeObjects]] |
+| {{:legacy:en:i_gridby2crv.PNG}} [[#ptGridExtrude2]] | {{:legacy:en:i_overlap1.PNG}} [[#ptCleanOverlap]] | {{:legacy:en:i_orient.PNG}} [[#ptOrientToGrid]] | |
+| {{:legacy:en:i_gridbyucrvs.PNG}} [[#ptGridUCurves]] | {{:legacy:en:i_shift.PNG}} [[#ptShiftGrid]] | {{:legacy:en:i_m2d.PNG}} [[#ptManage2dPatterns]] | |
+| {{:legacy:en:i_gridbyuvcrvs.PNG}} [[#ptGridUVCurves]] | {{:legacy:en:i_offset.PNG}} [[#ptOffsetPoints]] | {{:legacy:en:i_panelbygrid.PNG}} [[#ptPanelGrid]] | |
+| {{:legacy:en:i_gridbypts.PNG}} [[#ptGridPoints]] | | {{:legacy:en:i_pcustom.PNG}} [[#ptPanelGridCustom]] | |
+| {{:legacy:en:i_gridbyptsonsrf.PNG}} [[#ptGridPointsOnSurface]] | | {{:legacy:en:i_panelquadbygrid.PNG}} [[#ptPanelGridQuads]] | |
+| {{:legacy:en:i_gridbysrfuv.PNG}} [[#ptGridSurfaceUV]] | | {{:legacy:en:i_panelrandom.PNG}} [[#ptPanelRandomPoints]] | |
+| {{:legacy:en:i_gridbysrfdis.PNG}} [[#ptGridSurfaceDistance]] | | {{:legacy:en:i_panelsub.PNG}} [[#ptPanelSubDivide]] | |
+| {{:legacy:en:i_gridbydir.PNG}} [[#ptGridCurve]] | | {{:legacy:en:i_analyzeflatpanels.PNG}} [[#ptAnalyzeFlatFaces]] | |
+| {{:legacy:en:i_gridbydir2.PNG}} [[#ptGridCurve2]] | |{{:legacy:en:i_triangulate1.PNG}} [[#ptTriangulatePoints]] | |
+| | |{{:legacy:en:i_group1.PNG}} [[#ptGroupSimilarPanels]] | |
+| | | {{:legacy:en:i_extrudee.PNG}} [[#ptExtrudeEdges]] | |
+| | | {{:legacy:en:i_offsete.PNG}} [[#ptOffsetEdges]] | |
+| | | {{:legacy:en:i_fine.PNG}} [[#ptFinEdges]] | |
+\\
+----
+**ptDivideCurveSpan**
+Find curve division points by number or distance on curve.
+{{:legacy:en:w_dividecrv.PNG}}
+Command options:
+   Method (Number, ArcLength)
+   Method=Number:
+     NumberOfSpans: Number of spans on curve.
+   Method=ByDistance
+     Length: on curve, between divide curves.
+     Round: Option to round distances to fill the span of the curve
+     RoundingMethod: Up or down
+   Group: Option to group result
+\\
+----
+**ptDivideCurveByDirectDistance**
+Find curve divide points by direct distance
+{{:legacy:en:w_dividecrvbydis.PNG}}
+Command options:
+   Distance: Direct distance between points
+   AddEndPoint: Add end point
+   Group: Option to group result
+\\
+----
+**ptPanelSurface**
+Using a base surface, the command generates the paneling grid and panels.
+{{:legacy:en:w_pnelbysurface.PNG}}
+Command options:
+   DivideMethod (BySurfaceUV, BySurfaceDistance)
+   DivideMethod=BySurfaceUV:
+     U_Method (Number, ArcLength) – First surface direction divide method.
+       U_NumberofSpans: Number of spans.
+       U_Length: Distance on base (first) iso-curve.
+       U_Round: Option to round distances to fill the span of the curve
+       U_RoundingMethod: Up or down
+     V_Method (Number, ArcLength) – Second surface direction divide method.
+       V_NumberofSpans: Number of spans.
+       V_Length: Distance on base (second) iso-curve.
+       V_Round: Option to round distances to fill the span of the curve
+       V_RoundingMethod: Up or down
+   DivideMethod=BySurfaceDistance
+     U_Length: Distance in first direction
+     V_Length: Distance in second direction
+     Extend: Option to extend surface when calculating the grid (get better converge)
+   Pattern (Box  BoxX  Triangular  TriBasic Dense  Diamond  AngleBox  Wave  Brick New)
+   PanelShape (Straight, Pull)
+   AddPointsGrid: Add grid of points
+   AddEdges: Add paneling edges
+   AddFacesBorder: Add face outlines
+   AddFaces: Add face patches (this can be time consuming for large sets of panels)
+   AddFlatFaces: Calculate and trim best fit planar panels.
+     BestFit - Best fit through all four panel points (0,1,2,3)
+     TangentToCenter (only when there is a bse surface) - plane tangent to surface at the center of panel
+   AddMesh: Add a mesh
+   Group: Option to group result
+   Name: Name of panels
+\\
+----
+**ptPanelCurve**
+Generate panels for a surface or polysurface using direction curve.  Curve can be open or closed.
+{{:legacy:en:panelcrv.PNG}}
+Command options:
+   Line: Option to define direction curve with two points
+   CurveOptions
+     NumberOfCuts: Number of curves to be projected to object
+     Spacing: Distance between curves
+     ExtrudeDirection: Extrusion direction
+     ProjectionDirection: Projection direction
+   GridOptions
+   Method (Number, ArcLength) – curve divide method.
+     NumberofSpans: Number of spans.
+     Length: Distance on base (first) iso-curve.
+     Round: Option to round distances to fill the span of the curve
+     RoundingMethod: Up or down
+   Pattern (Box  BoxX  Triangular  TriBasic Dense  Diamond  AngleBox  Wave  Brick New)
+   PanelShape (Straight, Pull)
+   AddPointsGrid: Add grid of points
+   AddEdges: Add paneling edges
+   AddFacesBorder: Add face outlines
+   AddPatchFaces: Add face patches (this can be time consuming for large sets of panels)
+   AddFlatFaces: Calculate and trim best fit planar panels.
+     BestFit - Best fit through all four panel points (0,1,2,3)
+     TangentToCenter (only when there is a bse surface) - plane tangent to surface at the center of panel
+   AddMesh: Add a mesh
+   Group: Option to group result
+   Name: Name of panels
+\\
+----
+**ptManage3dPatterns**
+Create new 3D patterns that connect grid points, save, delete, or edit them.  These patterns are saved to document and are listed in commands like ptPanel3D with other built-in patterns.
+{{:legacy:en:panel3d_2.PNG}}
+Command options:
+   New: For creating new pattern
+   Edit: To edit existing patterns
+   Delete: To delete existing patterns
+\\
+----
+**ptPanel3D**
+Panel with two grids. There are a few predefined patterns to select from. There is also the option to create a new pattern that connects grid points. Panels are added in the form of edges, faces, and polysurfaces. Spacing of unit patterns depends on grid spacing.
+{{:legacy:en:panel3d.PNG}}
+Command options:
+   Pattern (WireBox Partitions  Box  Wedge  Pyramid1  Pyramid2 New). The **New** option for patterns allows creating a user-defined pattern.
+   Group: Option to group result
+   Name: Name of panels
+\\
+----
+**ptPanel3DCustom**
+Morphes 3D patterns between two bounding grids.  There is the option to select a base surfaces.
+{{:legacy:en:panel3dcustom.png}}
+Command options:
+   Base_x: Start x index relative to grid
+   Base_y: Start y index relative to grid
+   Shift_x: Spacing betweenpattern un itis in x direction
+   Shift_y: Spacing betweenpattern un itis in y direction
+   X_Length: Scale is x direction
+   Y_Length: Scale is y direction
+   Z_Length: Scale is z direction
+\\
+----
+**ptOrientToGrid**
+Allows selecting any number of objects, then orient (flow) them along paneling grid.  It is possible to select a base surface.  You can select three reference points and the fourth point is an option to deform pattern to fit the grid.
+{{:legacy:en:orient.PNG}}
+Command options:
+   Base_x: Start x index relative to grid
+   Base_y: Start y index relative to grid
+   Shift_x: Spacing betweenpattern un itis in x direction
+   Shift_y: Spacing betweenpattern un itis in y direction
+   X_Length: Number of unit grids to map to in X direction
+   Y_Length: Number of unit grids to map to in Y direction
+   Flip: to change normal direction.
+\\
+----
+**ptManage2dPatterns**
+Create new patterns that connect grid points, save, delete, or edit them.  These patterns are saved to the document and are listed in commands like ptPanelGrid with other built-in patterns.
+{{:legacy:en:w_newp.PNG}}
+Command options:
+   New: For creating new pattern
+   Edit: To edit existing patterns
+   Delete: To delete existing patterns
+\\
+----
+**ptPanelGrid**
+Panel with ordered grid of points. Reference object (surface or polysurface) is optional.  There are a few predefined patterns to select from. There is also the option to create a new pattern that connects the grid points. Panels are added in the form of edges, faces borders, faces (edgesrf or patches), flat faces, and a mesh.
+{{:legacy:en:w_patterns.PNG}}
+Command options:
+   Pattern (Box  BoxX  Triangular  TriBasic Dense  Diamond  AngleBox  Wave  Brick, etc(user defined patterns))
+   PanelShape (Straight, Pull)
+   AddEdges: Add paneling edges
+   AddFacesBorder: Add face outlines
+   AddFaces: Add face patches (this can be time consuming for large sets of panels)
+   AddFlatFaces: Calculate and trim best fit planar panels.
+   FlatFacesMethod
+     BestFit - Best fit through all four panel points (0,1,2,3)
+     FitBasePt0 - Fit through points 0,1,2
+     FitBasePt1 - Fit through points 1,2,3
+     FitBasePt2 - Fit through points 2,3,0
+     FitBasePt3 - Fit through points 3,0,1
+     TangentToCenter (only when there is a bse surface) - plane tangent to surface at the center of panel
+   AddMesh: Add a mesh
+   Group: Option to group result
+   Name: Name of panels
+\\
+----
+**ptPanelGridCustom**
+Panel grid with user-defined pattern curves and points.  There are options to scale pattern relative to the grid.
+{{:legacy:en:w_custom.PNG}}
+Command options:
+   GridWidth: Width of the grid.  Default to pattern width.
+   GridHeight: Height of the grid.  Default to pattern height.
+   U_Spacing: Unit spacing in first direction.
+   V_Spacing: Unit spacing in second direction.
+   Group: Option to group result
+   Name: Name of panels
+\\
+----
+**ptPanelGridQuads**
+Adjust paneling grid to create maximum number of quads within tolerance.
+One way to have better quads coverage is by increasing **MaxDeviation**, but that increases distortion. Another way is to use a more dense grid.
+{{:legacy:en:w_quads.PNG}}
+Command options:
+   MaxDeviation: Deviation from base grid - higher deviation=better coverage and more distortion
+   Triangulate: option to split remaining non-planar faces into triangles
+   Group: Option to group result
+   Name: Name of panels
+\\
+----
+**ptAnalyzeFlatFaces**
+Color panels or faces (perviously created with FlatFaces option in paneling commands) from red to blue based on their deviation from base point grid or surface (red=furthest).
+{{:legacy:en:w_analyze.PNG}}
+\\
+----
+**ptPanelRandomPoints**
+Select base surface, any number of points on surface, or have the command generate points.
+{{:legacy:en:w_panelrandom.PNG}}
+Command options:
+   GenerateRandomly: Random generation of points.
+   PointCount: Number of points. Appears only when GenerateRandomly=Yes
+   PanelShape: Straight or Pull
+\\
+----
+**ptPanelSubDivide**
+Select base surface, any number of closed polylines with end points on surface.
+{{:legacy:en:w_panelsub.PNG}}
+Command options:
+   Degree: Number of subdividing steps.
+   Method: All/SubsOnly/MainOnly. Different methods of sub-paneling as in the image.
+   PanelShape: Straight or Pull
+\\
+----
+**ptTriangulatePoints**
+Use Delauney triangulation to create a mesh from points.
+\\
+----
+**ptGroupSimilarPanels**
+Group similar curves together within given tolerance.
+{{:legacy:en:groupi.PNG}}
+\\
+----
+**ptGridArray**
+Create an array of ordered points. You define the first and second directions. (These need not be orthogonal.)
+{{:legacy:en:w_gridbyarray.PNG}}
+Command options:
+   U_Number: Number of elements in U (first) direction.
+   U_Spacing: Distance between elements in U direction.
+   U_Direction: Option to set new U direction.
+   V_Number: Number of elements in V (second) direction.
+   V_Spacing: Distance between elements in V direction.
+   V_Direction: Option to set new V direction.
+   Group: Option to group resulting point grid
+   NameOfGrid: Grid name
+\\
+----
+**ptGridArrayPolar**
+Array need not be flat.  You select rotation center and axis, then set base point and direction of the polar array.
+{{:legacy:en:w_gridbyarraypolar.PNG}}
+Command options:
+   U_Number: Number of elements in U (first) direction.
+   U_Spacing: Distance between elements in U direction.
+   U_Direction: Option to set new U direction.
+   V_Number: Number of elements in V (rotating) direction.
+   V_Angle: Angle between elements.
+   Group: Option to group resulting point grid
+   NameOfGrid: Grid name
+\\
+----
+**ptGridExtrude1**
+Select a direction curve and create a parallel or polar grid.
+{{:legacy:en:w_gridbydir.PNG}}
+Command options:
+   U_Method (Number, ArcLength or DirectDistance) – Curve divide method.
+     U_NumberOfSpans: Number of divide points.
+     U_Length: Distance on curve.
+     U_Round: Option to round distances to fill the span of the curve
+     U_RoundingMethod: Up or down
+     U_Distance: Direct distance
+     U_AddEndPoint: Option to ad end point on curve
+   V_Number:  Number of points in second direction.
+   V_Method (Parallel, Polar) – extrusion method
+     V_Distance: Distance value.
+     V_Direction: Option to define second direction
+     V_Angle: Angle value
+     V_RotationAxis: Option to define rotation axis
+   Group: Option to group resulting point grid
+   NameOfGrid: Grid name
+\\
+----
+**ptGridExtrude2**
+Sort of like extrude along a curve.  Select two curves and define the divide method of each curve (by number, by distance, or by direct distance).
+{{:legacy:en:w_gridbydirecton.PNG}}
+Command options:
+   U_Method (Number, ArcLength or DirectDistance) – First curve divide method.
+     U_NumberOfSpans: Number of divide points.
+     U_Length: Distance on curve.
+     U_Round: Option to round distances to fill the span of the curve
+     U_RoundingMethod: Up or down
+     U_Distance: Direct distance
+     U_AddEndPoint: Option to ad end point on curve
+   V_Method (Number, ArcLength or DirectDistance) – First curve divide method.
+     V_NumberOfSpans: Number of divide points.
+     V_Length: Distance on curve.
+     V_Round: Option to round distances to fill the span of the curve
+     V_RoundingMethod: Up or down
+     V_Distance: Direct distance
+     V_AddEndPoint: Option to ad end point on curve
+   Group: Option to group resulting point grid
+   NameOfGrid: Grid name
+   SwitchCurves: Switch which of the two direction curves is rail and witch is cross section.
+\\
+----
+**ptGridUCurves**
+Divide parallel curves (or usually non-intersecting).  Selection must be in the order of desired rows. The command divides those curves by selected method.  It also unifies directions of curves.
+{{:legacy:en:w_gridbyucurves1.PNG}}
+Command options:
+   Method (Number, ArcLength or DirectDistance) – Curves divide method.
+     NumberOfSpans: Number of divide points.
+     Length: Distance on curve.
+     Round: Option to round distances to fill the span of the curve
+     RoundingMethod: Up or down
+     Distance: Direct distance
+     AddEndPoint: Option to ad end point on curve
+   Group: Option to group resulting point grid
+   NameOfGrid: Grid name
+\\
+----
+**ptGridUVCurves**
+This is for those who have all curves in both directions and would like to make a grid out of curves intersections.
+Command prompts to select curves in each of the two directions to make the grid. Selection order defines order of rows and columns in the grid.
+{{:legacy:en:w_gridbyuvcurves.PNG}}
+Command options:
+   Group: Option to group resulting point grid
+   NameOfGrid: Grid name
+\\
+----
+**ptGridPoints**
+Input grid u and v directions, base point, and u and v spacing.  Using input, a base grid is created.  Input points are rounded to the closest grid intersection points. This is why the result might be fewer points then the input. (Multiple points can be rounded to same index.)  For a random set of points, the higher the spacing the more successful it will be to panel these points as illustrated in the image below.
+If align option is set to //Yes//, points will shift location slightly to align with the defined spacing.
+{{:legacy:en:gridbypoints1.PNG}}
+Command options:
+   U_Spacing: Reference grid spacing in the first direction.
+   U_Direction: Option to set first direction
+   V_Spacing: Reference grid spacing in the second direction
+   V_Direction: Option to set second direction
+   Group: Option to group resulting point grid
+   DeleteInput: Delete input points
+   AlignPoints: Align resulting points grid with reference grid
+   NameOfGrid: Grid name
+\\
+----
+**ptGridPointsOnSurface**
+Use this command to order existing points on a surface by that surface's UV.
+> **Algorithm:** //Using input tolerance, surface is scanned for points (with u-dir iso-curves with spacing = 2*tolerance).  If at least one point is found on the scan curve, then a row is created and added to grid.   If align option is set to **Yes**, points will shift location to align with scan line.//
+{{:legacy:en:gridbypointsonsrf1.PNG}}
+Command options:
+   Tolerance  : Round points by this tolerance (reference spacing = 2* tolerane)
+   Group: Option to group resulting point grid
+   DeleteInput: Delete input points
+   AlignPoints: Align resulting points grid with reference grid
+   NameOfGrid: Grid name
+\\
+----
+**ptGridSurfaceUV**
+Divides a surface following its U and V directions.  Division can be by number, distance, or a combination. Note that grid name follows surface name.
+{{:legacy:en:w_suv.PNG}}
+Command options:  DivideMethod (BySurfaceUV, BySurfaceDistance)
+   U_Method (Number, ArcLength) – First surface direction divide method.
+     U_NumberofSpans: Number of spans.
+     U_Length: Distance on base (first) iso-curve.
+     U_Round: Option to round distances to fill the span of the curve
+     U_RoundingMethod: Up or down
+   V_Method (Number, ArcLength) – Second surface direction divide method.
+     V_NumberofSpans: Number of spans.
+     V_Length: Distance on base (second) iso-curve.
+     V_Round: Option to round distances to fill the span of the curve
+     V_RoundingMethod: Up or down
+   Group: Option to group resulting point grid
+\\
+----
+**ptGridSurfaceDistance**
+Select a surface, divide by direct (spatial) distances. This command uses an algorithm where points are calculated incrementally (every new point depends on previously created points).  This is why it might not give complete coverage. Note that grid name follows surface name. The command lets you select a point on surface to use as base.
+{{:legacy:en:w_gridbysrfdis1.PNG}}
+Command options:
+   U_Distance: Distance in first direction
+   V_Distance: Distance in second direction
+   Extend: Option to extend surface when calculating the grid (get better converge)
+   Group: Option to group resulting point grid
+\\
+----
+**ptGridCurve**
+Generate a grid based on an object and direction curve.  Curve can be open or closed.
+{{:legacy:en:gridcrv.PNG}}
+Command options:
+   Line: Option to define direction curve with two points
+   CurveOptions
+     NumberOfCuts: Number of curves to be projected to object
+     Spacing/Angle: Distance between curves
+     ExtrudeMethod=Parallel/Polar
+     ExtrudeDirection: Extrusion direction (for parallel)
+     ProjectionDirection: Projection direction
+   GridOptions
+   Method (Number, ArcLength) – curve divide method.
+     NumberofSpans: Number of spans.
+     Length: Distance on base (first) iso-curve.
+     Round: Option to round distances to fill the span of the curve
+     RoundingMethod: Up or down
+   Group: Option to group resulting point grid
+   NameOfGrid: Grid name
+\\
+----
+**ptGridCurve2**
+Generate a grid based on an object and two direction curves.  Curves can be repeated in parallel or polar direction.
+{{:legacy:en:ptgridcurve2.PNG}}
+Command options:
+   Line: Option to define direction curve with two points
+   FirstDirCurvesOptions (same for SecondDirCurveOptions)
+     NumberOfCuts: Number of curves to be projected to object
+     Spacing/Angle: Distance between curves
+     ExtrudeMethod=Parallel/Polar
+     ExtrudeDirection: Extrusion direction (for parallel)
+     ProjectionDirection: Projection direction
+   GridOptions
+   Method (Number, ArcLength) – curve divide method.
+     NumberofSpans: Number of spans.
+     Length: Distance on base (first) iso-curve.
+     Round: Option to round distances to fill the span of the curve
+     RoundingMethod: Up or down
+   Group: Option to group resulting point grid
+   NameOfGrid: Grid name
+\\
+----
+**ptDirection**
+Flip U and V directions of the grid.  This changes the names of point in the grid.
+{{:legacy:en:w_griddir1.PNG}}
+Command options:
+   Degree: Number of subdividing steps.
+   Method: All/SubsOnly/MainOnly. Different methods of sub-paneling as in the image.
+   PanelShape: Straight or Pull
+\\
+----
+**ptRowsDirection**
+Reverse row directions in a grid.
+{{:legacy:en:w_rdir.PNG}}
+\\
+----
+**ptCompactGrid**
+Remove holes in the selected grid.
+\\
+----
+**ptCloseGrid**
+Close selected grid in U or V direction.
+\\
+----
+**ptGridSeam**
+Change grid seam. The selected grid must be closed.
+{{:legacy:en:w_seam.PNG}}
+\\
+----
+**ptCleanOverlap**
+Remove overlapped points in a grid or merge them within tolerance:
+     a: Delete grid points that are within tolerance in the u direction.
+     b: Move points within tolerance in v direction to overlap.
+\\
+----
+**ptShiftGrid**
+Shift the index of selected grid pointed by specified amount. Helps space out a grid and create holes.
+Command options:
+   RowShift: shift in u direction
+   ColShift: shift in  direction
+\\
+----
+**ptOffsetPoints**
+Offset points on surface or polysurface by specified amount.
+Command options:
+   OffsetAmount: Offset distance
+   Group: option to group points
+   Connect: To draw a line between each point and its offset
+\\
+----
+**ptTagObjects**
+Tag objects with thier names.
+{{:legacy:en:w_tag.PNG}}
+Command Options:
+   TagMode (Dot, Text)
+   Height: Text height
+\\
+----
+**ptSerializeObjects**
+Adds serializing to objects (points, curves, surfaces) relative to:
+     a. Selection order
+     b. World coordinate
+     c. User-defined direction
+     d. Reference surface
+Command options:
+   SortMethod: using the above four methods
+   Prefex: Name that shown before serial number
+   StartIndex: Start index of serlized numbers
+\\
+----
+**ptUnifyCurvesDirection**
+Unify the direction of curves to point in the same general direction.
+\\
+----
+**ptSurfaceFromGridOfEditPoints**
+Create a [[rhino:nurbs|NURBS]] surface using grid as edit points.
+{{:legacy:en:srfbygrid.PNG}}
+\\
+----
+**ptSurfaceFromGridOfControlPoints**
+Create a NURBS surface using a point grid as surface control points.
+{{:legacy:en:srfbygrid2.PNG}}
+\\
+----
+**ptExtrudeEdges**
+Extrude paneling edges normal to a base surface or by a user-defined direction
+Command options:
+   Distance: Extrude distance
+   NameEnding: suffex added to edge name to serialize extrusion
+\\
+----
+**ptOffsetEdges**
+Offset paneling edges uing base surface.
+Command options:
+   Distance: Offset distance
+   NameEnding: suffex added to edge name to serialize offsetted curves
+\\
+----
+**ptFinEdges**
+Fin paneling edges using pase surface.
+Command options:
+   Distance: Fin distance
+   NameEnding: suffex added to edge name to serialize fins
+\\

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