{"id":164818,"date":"2023-03-17T08:58:44","date_gmt":"2023-03-17T08:58:44","guid":{"rendered":"\/knowledge\/forums\/topic\/is-it-possible-to-convert-a-faceted-surface-in-to-b-spline-surface\/"},"modified":"2023-07-31T12:26:20","modified_gmt":"2023-07-31T12:26:20","slug":"is-it-possible-to-convert-a-faceted-surface-in-to-b-spline-surface","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/is-it-possible-to-convert-a-faceted-surface-in-to-b-spline-surface\/","title":{"rendered":"Is it possible to convert a faceted surface in to b-spline surface ?"},"content":{"rendered":"<p>In AI*Environment \/ ICEMCFD 10.0: 1.  Firstly we need boundary curves.  These can be obtained by running build topology (Geometry > Repair Geometry > Build Diagnostic Topology) on the entire model (Method = All parts), alternatively you can run build topology on just the surface you wish to convert by setting Method = Selection.   2.  Go to Geometry > Create \/ Modify surface > Merge\/Reapproximate surfaces and choose Method = Reapproximate selected surfaces.  Choose the facetted surface and define an appropriate tolerance (default = 0.1).  Hit Apply or Ok to convert the surface to b-spline format.<\/p>\n","protected":false},"template":"","class_list":["post-164818","topic","type-topic","status-publish","hentry","topic-tag-17-2","topic-tag-fluid-dynamics","topic-tag-general","topic-tag-icem-cfd"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"In AI*Environment \/ ICEMCFD 10.0: 1. Firstly we need boundary curves. These can be obtained by running build topology (Geometry &gt; Repair Geometry &gt; Build Diagnostic Topology) on the entire model (Method = All parts), alternatively you can run build topology on just the surface you wish to convert by setting Method = Selection. 2.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/is-it-possible-to-convert-a-faceted-surface-in-to-b-spline-surface\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Knowledge | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Is it possible to convert a faceted surface in to b-spline surface ? | Ansys Knowledge\" \/>\n\t\t<meta property=\"og:description\" content=\"In AI*Environment \/ ICEMCFD 10.0: 1. Firstly we need boundary curves. These can be obtained by running build topology (Geometry &gt; Repair Geometry &gt; Build Diagnostic Topology) on the entire model (Method = All parts), alternatively you can run build topology on just the surface you wish to convert by setting Method = Selection. 2.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/is-it-possible-to-convert-a-faceted-surface-in-to-b-spline-surface\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-03-17T08:58:44+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-07-31T12:26:20+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Is it possible to convert a faceted surface in to b-spline surface ? | Ansys Knowledge\" \/>\n\t\t<meta name=\"twitter:description\" content=\"In AI*Environment \/ ICEMCFD 10.0: 1. Firstly we need boundary curves. These can be obtained by running build topology (Geometry &gt; Repair Geometry &gt; Build Diagnostic Topology) on the entire model (Method = All parts), alternatively you can run build topology on just the surface you wish to convert by setting Method = Selection. 2.\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/is-it-possible-to-convert-a-faceted-surface-in-to-b-spline-surface\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/icem-cfd\\\/#listItem\",\"name\":\"icem-cfd\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/icem-cfd\\\/#listItem\",\"position\":3,\"name\":\"icem-cfd\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/icem-cfd\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/is-it-possible-to-convert-a-faceted-surface-in-to-b-spline-surface\\\/#listItem\",\"name\":\"Is it possible to convert a faceted surface in to b-spline surface ?\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/is-it-possible-to-convert-a-faceted-surface-in-to-b-spline-surface\\\/#listItem\",\"position\":4,\"name\":\"Is it possible to convert a faceted surface in to b-spline surface ?\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic-tag\\\/icem-cfd\\\/#listItem\",\"name\":\"icem-cfd\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/#organization\",\"name\":\"Ansys Knowledge\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/is-it-possible-to-convert-a-faceted-surface-in-to-b-spline-surface\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/knowledge\\\/forums\\\/topic\\\/is-it-possible-to-convert-a-faceted-surface-in-to-b-spline-surface\\\/\",\"name\":\"Is it possible to convert a faceted surface in to b-spline surface ? | Ansys Knowledge\",\"description\":\"In AI*Environment \\\/ ICEMCFD 10.0: 1. 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