{"id":4124,"date":"2025-07-18T15:10:30","date_gmt":"2025-07-18T15:10:30","guid":{"rendered":"https:\/\/help.cadomation.com\/spcad\/docs\/spcadhelp\/tin-manager\/manage\/"},"modified":"2025-10-15T08:11:43","modified_gmt":"2025-10-15T08:11:43","slug":"manage","status":"publish","type":"docs","link":"https:\/\/help.cadomation.com\/spcad\/docs\/spcadhelp\/tin-manager\/manage\/","title":{"rendered":"Manage"},"content":{"rendered":"\n

TIN Surface Tools Overview<\/strong> <\/h1>\n\n\n\n

The TIN Surface Tools in SPCAD<\/strong> provide all the functionality you need to build, edit, and manage digital terrain models<\/strong> directly in your CAD environment. Accessible through the Manage panel<\/strong> in the TIN Surface Manager<\/strong>, these tools support multiple input types and workflows\u2014from survey points<\/strong> and contours<\/strong> to 3D faces<\/strong> and legacy data.<\/p>\n\n\n\n

Each tool ensures efficient terrain data capture, processing, and modeling with full compatibility across SPCAD\u2019s modern surface management system.<\/p>\n\n\n\n

1. Create TIN From Points<\/strong> <\/h2>\n\n\n\n

Use this tool to generate a TIN surface from Cogo Points<\/strong> or any point-based data. You can source data from:<\/p>\n\n\n

\n
\"\"<\/figure>\n<\/div>\n\n
\n
\"\"<\/figure>\n<\/div>\n\n\n
    \n
  • Cogo Point Groups<\/strong> (collections of survey points)<\/li>\n\n\n\n
  • Points on specific layers or blocks<\/strong><\/li>\n\n\n\n
  • Interactive on-screen selections<\/strong><\/li>\n<\/ul>\n\n\n\n

    Features<\/strong><\/h3>\n\n\n\n
      \n
    • Direct classification of points for visual styling<\/li>\n\n\n\n
    • Optional breaklines and clipping boundaries<\/li>\n\n\n\n
    • Optimized for topographic and survey data<\/li>\n<\/ul>\n\n\n\n

      Use Case Example<\/strong><\/h4>\n\n\n\n

      Create a surface from ground-level topographic points collected in the field and organized into a Point Group. <\/p>\n\n\n\n

      2. Create TIN From Contours<\/strong> <\/h2>\n\n\n\n

      The Create TIN from Contours<\/strong> command converts 2D or 3D contour <\/strong>polylines into a TIN surface. It automatically extracts elevation data from polyline vertices to produce a realistic terrain model.<\/p>\n\n\n

      \n
      \"\"<\/figure>\n<\/div>\n\n
      \n
      \"\"<\/figure>\n<\/div>\n\n\n

      Features<\/strong><\/h3>\n\n\n\n
        \n
      • Recognizes elevation from Z values in polylines <\/li>\n\n\n\n
      • Automatically fills gaps between contours with triangulated faces <\/li>\n\n\n\n
      • Suitable for scanned topographic maps or imported GIS datasets <\/li>\n<\/ul>\n\n\n\n

        Use Case Example<\/strong><\/h4>\n\n\n\n

        Generate a surface model for an area using contour data imported from a shapefile or DWG. <\/p>\n\n\n\n

        3. Create TIN from 3D Faces<\/strong> <\/h2>\n\n\n\n

        This tool allows you to build a new TIN surface from existing 3DFace entities<\/strong> in the drawing. It is useful for reusing manually drawn terrain meshes or converting older 3D drawings into structured TIN surfaces. <\/p>\n\n\n

        \n
        \"\"<\/figure>\n<\/div>\n\n
        \n
        \"\"<\/figure>\n<\/div>\n\n\n

        Features<\/strong><\/h3>\n\n\n\n
          \n
        • Converts raw 3DFace geometry into a formalized TIN model <\/li>\n\n\n\n
        • Extracts elevation data directly from face vertices <\/li>\n\n\n\n
        • Supports editing, reclassification, and export after conversion <\/li>\n<\/ul>\n\n\n\n

          Use Case Example<\/strong><\/h4>\n\n\n\n

          Convert a conceptual terrain model created using AutoCAD 3DFaces into a full-featured TIN with analysis capabilities. <\/p>\n\n\n\n

          4. Upgrade Legacy TIN Surface<\/strong> <\/h2>\n\n\n\n

          Legacy surfaces created in earlier versions of your application can be upgraded to the current TIN model format using this command. This unlocks access to modern tools such as: <\/p>\n\n\n

          \n
          \"\"<\/figure>\n<\/div>\n\n\n
            \n
          • Classification by elevation range <\/li>\n\n\n\n
          • Advanced editing (swap edge, redefine) <\/li>\n\n\n\n
          • Full compatibility with import\/export workflows <\/li>\n<\/ul>\n\n\n\n

            Features<\/strong> <\/h3>\n\n\n\n
              \n
            • Preserves original geometry <\/li>\n\n\n\n
            • Enhances metadata with elevation statistics <\/li>\n\n\n\n
            • Unlocks new visual styles and export formats <\/li>\n<\/ul>\n\n\n\n

              Use Case Example<\/strong><\/h4>\n\n\n\n

              Bring a previously created TIN from older projects into your current environment for further refinement or export. <\/p>\n","protected":false},"featured_media":0,"parent":4120,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","_is_vendor_doc":"0","footnotes":""},"doc_tag":[],"class_list":["post-4124","docs","type-docs","status-publish","hentry"],"yoast_head":"\nTIN Surface Tools in SPCAD | Build and Manage TIN Surfaces<\/title>\n<meta name=\"description\" content=\"Use TIN Surface Tools in SPCAD to create and edit terrain models from points, contours, and 3D faces for accurate CAD-based surface design.\" 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