Grasshopper

algorithmic modeling for Rhino

mesh(+) Version 1-03 release

Several updates have been made to mesh(+) to increase allowance of component interchanging, repair a few errors, and introduce several new components and a new category which includes mesh face bridging.

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- version 1-03 introduces a new category Modify for components which do not simply subdivide the faces of a mesh, but alter the topology. Currently this category contains two new components, Bridge and Span.

- Corrected an issue with array declaration in the m(+) Facet (Face Effect) component in Rhino 4 replacing the array with a list.

- Updated all Face Effect and nGon effect components topologies so that the existing edges are not subdivided. This allows any of the effect types to be interchanged on an exploded face collection without disrupting the vertex topology between adjacent faces. This condition is not true for the Face Subdivide or nGon Subdivide components as many of their outputs requires the addition of vertices to the edge condition.

-updated Chamfer component in both Face Subdivide and nGon Subdivide adding a boolean input f which flips the orientation of the mesh quads.

- added Pinwheel component to both Face Subdivide and nGon Subdivide which divides each edge into three segments and creates a face from the vertex segments on each mesh edge to the next edge vertex completing the mesh by closing the hole with an triangle or quad face for m(+) and connecting to the averaged area center point for the n(+) component.

- added Prism component to both the Face Effects and nGon Effects categories which moves the vertex points along the face normal creating a capped extrusion of each face or pointlist

- added Antiprism component to both the Face Effects and nGon Effects categories which creates a set of points offset from the face edges midpoints along the face normal connecting the points with faces represent the antiprism geometry of the origin mesh face or pointlist.

- added Snubbed AntiPrism component to both the Face Effects and nGon Effects categories which creates a set of points offset from the face edges midpoints along the face normal. A new point is then evaluated along the vector from the antiprisms new vertex points and their associated edge midpoints, opening a hole about the corner vertices.

- added Node component to both the Face Effects and nGon Effects categories which created a stellate effect on each face then creates a frame around each newly created faces. the amount of closure of these frames is controlled by 4 unitized double inputs on the m(+) component and a single input which can recieved a list of doubles matched to the edges created by the point inputs. If a double parameter is set to 0 then the frame is reduced to a single face.

- added Span component to the new Modify category which allows for the input of 1 or 2 meshes whose faces can be removed in indexed pairs and replaced with new faces that span between the corresponding edges. If two meshes are input the index positions on the original mesh should be specified. There is an optional org input which will attempt to align the new vertex pairs sorting them about a centerline to eliminated tortion of the spanning faces when possible. This component will produce unpredictable results when using faces which share vertices or edges. In these situations the Bridge component is better used.

- added Bridge component to the new Modify category which allows for  for the input of 1 or 2 meshes whose faces can be removed in indexed pairs and replaced with a quad frame from the face edges whose new inset vertices are connected in adjacent pairs to span between the corresponding edges. If two meshes are input the index positions on the original mesh should be specified. There is an optional org input which will attempt to align the new vertex pairs sorting them about a centerline to eliminated tortion of the spanning faces when possible. Because the new frame is added inside the old face the edge is maintained meaning that adjacent faces or faces that share a common vertex can be bridged, from a single face to all the faces.

 

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