#DesignScript Geometry.Surface.BSplineSurface.PointAtParameter #1- Code to Node to Code

Hi Everyone:

We are now looking at the Surface file types in the DesignScript Editor (DSE) Samples. The first file, highlighted below, Geometry.Surface.BSplineSurface.PointAtParameter.ds, is one in a series of seven BSplineSurface file types that are to be translated into DesignScript Studio form (DSS).

Geometry.Surface.BSplineSurface.PointAtParameter-ds#1

Geometry.Surface.BSplineSurface.PointAtParameter-ds#1

Open the file Geometry.Surface.BSplineSurface.PointAtParameter.ds in the DS Editor and run it. The script is shown below.

Geometry.Surface.BSplineSurface.PointAtParameter.ds#1

Geometry.Surface.BSplineSurface.PointAtParameter.ds#1

Now open DS Studio, and paste the DSE script resulting into a blank canvas.

Geometry.Surface.BSplineSurface.PointAtParameter#a1

Geometry.Surface.BSplineSurface.PointAtParameter#a1

Note the highlighted commenting out which must be deleted in order to activate the code.

Geometry.Surface.BSplineSurface.PointAtParameter#a1-edited

Geometry.Surface.BSplineSurface.PointAtParameter#a1-edited

Now commenting out the “(import(ProGeometry.dll)” script as highlighted above must be added. It can now be run as a Code Block of script, before the translation to Nodes takes place.

Geometry.Surface.BSplineSurface.PointAtParameter#1

Geometry.Surface.BSplineSurface.PointAtParameter#1

The preliminary translation is shown above. Note that the WCS Coordinate identity node is standing alone and not tied into any other nodes. Suggesting a remedy to this, instead of using the PointByCoordinates node, one may use the PointByCartesianCoordinates from the Studio library.

Geometry.Surface.BSplineSurface.PointAtParameter#1a partial graphic

Geometry.Surface.BSplineSurface.PointAtParameter#1a partial graphic

Due to some current limitations in developing the surface, one needs to create a custom node, as DSS does not translate the array correctly for the BSplineSurface.

Geometry.Surface.BSplineSurface.PointAtParameter#1a-transporter_ds

Geometry.Surface.BSplineSurface.PointAtParameter#1a-transporter_ds

As we continue the translation, the developed translation is shown below.

Geometry.Surface.BSplineSurface.PointAtParameter#1a-left

Geometry.Surface.BSplineSurface.PointAtParameter#1a-left

The red and yellow highlighted areas match the description and properties layout that is given to the script in the initial DS Editor *.ds file.

Geometry.Surface.BSplineSurface.PointAtParameter#1b

Geometry.Surface.BSplineSurface.PointAtParameter#1b

The “Node to Code” operation as shown above. The geometry that results from the various code translations is shown below.

Geometry.Surface.BSplineSurface.PointAtParameter#1-Windows Graphic

Geometry.Surface.BSplineSurface.PointAtParameter#1-Windows Graphic

Liberty was taken with making various colors and having some transparency with the geometry as shown above in the graphic window. DSS was run as a stand-alone application and the translation files are available to download from the DropBox links below.

Geometry.Surface.BSplineSurface.PointAtParameter#a1

Geometry.Surface.BSplineSurface.PointAtParameter#1

Geometry.Surface.BSplineSurface.PointAtParameter#1a

Geometry.Surface.BSplineSurface.PointAtParameter#1b

Thanks for looking.

T!M

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