Help Center

General Information
- Introduction
- Modular Program Configuration
- System Requirements
- Program Installation
- Program Registration
- Launch of nanoCAD
- Help
- Exit from nanoCAD
- Trademarks
nanoCAD User Interface
- Working with Commands
- nanoCAD User Interface
- Interface. The nanoCAD Button
- Quick Access Toolbar
- Interface. Ribbon
- Main Menu
- Interface. Toolbars
- Interface. Drawing Window
- Interface. Context Menu
- Interface. Properties Bar
- Command Line
- Status Bar
- Restore UI State
- Managing Interface Elements
- Application Look
Working With Documents
- Opening a document
  - Opening a Document
  - Float Document Window
- Creation of New Document
- Saving a Document
- Export
  - Export
  - Integration with CAE Fidesys
- Import
- CAD Standards
- Utilities
- Working with Documents
- Drawing Properties
- Closing a Document
- Create Transmittal Package
- File Explorer
- Drawing Comparison
Tuning nanoCAD
- Transferring user interface settings
- Tuning program parameters
- Graphic subsystem settings
- Customize User Interface
- Design settings
- Migration of Settings from Previous Versions
- Drawing Units
- Scale List
- Symbol Scale and Measurement Scale
- System Variable Monitor
Coordinate Systems
- User Coordinate System
- Coordinate Systems
Precision tools
- Precision modes
- Precision Tools
- 2D Constraints
Graphic Display Management
- 3D Navigation
- Order of objects
- Control the Display of Objects (Isolation)
- Viewports of Model Space
  - Viewports of Model Space
  - Managing Viewports from the Command Line
- Visual Styles Editor
- Display Modes
- Setting of the Orthographic and Isometric Views
- Managing the Display of Annottaive Objects
- Visual Styles
- Managing display of line weight on the screen
- Managing Named Views
- Isodraft
- Drawing Regeneration
Objects’ Properties
- Line Types
  - Line Types
  - Linetype Editor
- “Properties” bar
- Layers
- Distributing Objects by Layers
- Objects’ Properties
- Drawing Explorer
- Select Color Dialog Box
- Managing the Transparency of Objects
Geometric objects
- Construction and reference geometry
- Linear Objects
- Curved Objects
- Geometric Objects
Editing Objects
- Selection of objects
- Ways to edit objects
- Commands to edit geometric objects
- Commands to edit objects
  - Path Array
  - Associative Arrays
  - Explode Geometry
  - Rectangular Array
  - Polar Array
  - Edit Array
  - Array
  - Commands to Edit and Replicate Objects
  - Copy
  - Mirror
  - Offset
  - 2D Arrays
  - 3D Array
  - Delete Duplicates
  - Move
  - Rotate
  - Scale
  - Stretch
  - Align
  - Distributing Copies
  - Divide
  - Measure
  - Chamfer
  - Fillet
  - Explode
  - Explode All nanoCAD Objects
- Editing Objects
Creating and editing complex objects
- Blocks
  - Block Attributes
  - Reset Block
  - 3D Block Editor
  - Blocks
  - Creating a Block
  - Block Insertion
  - Editing Block Definition (Block Redefinition)
  - Block Editor
  - Exploding a Block Reference
  - Managing Blocks in the Current Drawing
  - Saving a Block in a Separate File
- Proxy Objects
  - Proxy Objects
  - Removing Proxy Objects
  - Exploding Proxy Objects
- External references control
  - External References Manager
  - Bind External References
  - Bind Named Objects of External References
  - External References Notification
  - Renaming Named Objects
- Underlays
  - Underlays
  - Insert Underlay
- Show boundary
  - Setting Clip
  - Setting of the Show Boundary for a Raster Image
  - Show Boundary
  - Setting of the Show Boundary for the Block or External Reference
  - Boundary
  - Setting Viewport Border for Underlay
- External References Control (Classic Version)
- Binding and Embedding OLE-Objects
- Open OLE-Object
- Update All OLE-Links
- Using Drawing Explorer to Work with Groups
- Clip Map Underlay
- Unload Map Underlay
- Load map underlay
- Insert Map Underlay
- Insert OLE-Object
- Updating Links of OLE-Objects
- Groups of Objects
- Object Grouping Dialog
- Insert External Reference
- Edit References
- Hyperlinks
Working with raster images
- Create new image and rasterize objects
- Displaying quality of raster images
- Correcting raster image geometry
- Color correction
- Filtering color raster images
- Color reducing
- Monochrome filtering
- Raster drawing
- Digitizing raster data (vectorization)
- Working with Raster Images
- Insert Raster Image
- Separate Raster Image
- Embed Raster Image
- Image Settings
- Selecting Data in Raster Images
- Separation by Type and Size
- Rasterization
Execution of Drawings commands
- The Filling and Hatch Commands
  - Overriding Layer for New Hatches and Fills (HPLAYER)
  - Hatch Dialog Box
  - The Filling and Hatch Commands
  - Gradient Fill
  - Fast Hatch
  - Fast Gradient
  - Modify Hatched Areas
- Work with Text
  - Arc Text
  - Work with Text
  - Text
  - Multiline Text
  - Background Mask for Multiline Text
  - Editing Text
  - Justification of the Text Objects
  - Editing the Content of the Text Objects
  - Creating a Text Style
  - Spellchecker
  - Find and Replace Text
  - Convert Text to Multiline Text
  - Justify Text
  - Text Fit
  - Explode Text
  - Change Text Case
  - Quick Text Mode
  - Field
  - Update Field
  - Edit Field
  - Convert Field to Text
- Dimensioning
  - Dimensioning
  - Dimensioning with a Single Command
  - Ordinate Dimensioning
  - Group Dimensioning
  - Base Dimensioning
  - Chain Dimensioning
  - Radial Dimensioning
  - Big Radius Dimensioning
  - Horizontal, Vertical and Aligned Dimensioning
  - Diameter Dimensioning
  - Angular Dimensions
  - Arc length dimensioning
- Dimensions editing
  - Dimensions Editing
  - Oblique Dimension
  - Break and Restore Dimensions
- Dimension styles
  - Modify a Dimension Style
  - Dimension styles
- Multileader
  - Multileader
  - Removing Leader Lines from the Multileader
  - Adding Leader Lines to the Multileader
  - Aligning Multileaders
  - Collecting Multileaders
  - Multileader Style Manager
- Notes
  - Mechanical Note
  - Construction Note
  - Comb Leader Note
  - Section Note
  - Note for Multilayered Constructions
  - Node Note
  - Linear Aligned Note
  - Chain Note
  - Editing the Leaders
  - Advanced Grips for Design Elements
- Tables
  - Tables
  - Editing Tables on the Drawing
  - Interface of the Table Editor Dialog
  - Cell Properties dialog
  - Editing the Size of Rows and Columns
  - Work with MS Excel
  - Page Division
  - Convert Tables
  - Expression Builder
  - Report Creation
  - Grouping and Merging Cells
- .dwg Tables
  - Insert .dwg Table
  - Table Styles .dwg
- Getting Inquiry
  - Distance
  - Point Coordinates
  - Cumulative Length
  - Cumulative Area
  - List
  - Inquiry
  - Mass Properties
  - Set Variable
- Features of the design elements
  - The Edit Command
  - The DDEdit Command
  - The FEdit Command
  - The In Place Edit Command
  - Parameters Redefinition
  - Regenerate
- Shape
- Topographic Hatches
- Boundary
- Region
- Solid
- Wipeout
- Revision Cloud
- Calculator
- Notepad
3D Modeling and Visualisation
- Surfaces
  - Box
  - Wedge
  - Cone
  - Sphere
  - Torus
  - Pyramid
  - Dish
  - Dome
  - Mesh
  - 3D Mesh
  - 3D Face
- Light Sources
- Materials
- Surfaces
- 3D Module
Tool Palettes
- Tool Palettes
Point Clouds
- Point Clouds Display Settings
- Information
- Point Clouds
- Import of Point Clouds
- Export of Point Clouds
- Extract from View
- Create a new Cloud Based on Clipping
- Exporting Cloud Data to a Database
- Transformation to Default Coordinates
- Point Clouds Data Formats
- Configuring Connections to Database
- Recalculation of point cloud coordinates
- Import Cloud Data from DBMS
- Recalculation of point cloud coordicates
- Work with DBMS-Based Point Cloud Storage
Topoplan module
- Creating surfaces
  - Create TIN by Points
  - Exploding a Cloud into Points
  - Import Elevation Grid
  - Converting Model to 3D Faces
  - Converting Model to SubMesh
  - Converting Model to Polyface Mesh
- Tools to work with surfaces
  - Flip Edge
  - Delete Edge
  - Add Vertex
  - Delete Vertex
  - Change Elevation
  - Moving a Vertex
  - Add Structure Line
  - Mesh Boundary
  - Cut Mesh
  - Classification Mesh
- Tools to work with relief elements
  - Offset of a 3D-Polyline
  - Create Contour Lines
  - Delete Contour Lines
  - Creating Bergstriches
  - Contour Lines Labels
  - Building a Profile Line
  - Projecting a Line onto a Mesh
  - Correction of Zero Elevation
- Texturing and Calculation
  - Flat Texture Overlay
  - Raster Texture Mapping
  - Mesh Coloring by Height
  - Calculating Volumes between Models
  - Calculting Surface Area
  - Calculating Surface Volume
- Import and export
  - Import of KML/KMZ files
  - Import Geopoints
  - Import from LandXML
  - Export to LandXML
  - Import from GIS
  - Export to GIS
- Importing Geo-linked Rasters
- Add Measurement File
- Mesh Seal Holes
- Creating Marker Styles of Geopoints
- Hide Frames
- 2D Slope
- Create Geopoints Group Manually
- Create Layouts by Frames
- Save to Measurement Archive
- Edit Marker Style of Geopoints
- Converting to Meshes or 3D Faces
- 3D Slope
- Geopoint Object
- Delete frames
- Save as Geounderlay
- Create Geopoints Manually
- Adding Edge
- Conventional Signs
- Editing Properties of Geopoint Groups
- Recalculation of Coordinates by EPSG Codes
- Search for Key Lines on the Surface
- Create View Frames
- Creating Geopoint Groups by Original Description
- Edit Label Styles of Geopoints
- Measurement Archive
- Export Geopoints
- Creating Customized Library of Conventional Signs
- Attach GeoUnderlay
- Import measurements
- Mesh Simplification
- New Topoplan
- Topoplan Module
- Creating Label Styles of Geo points
The Component Layout and Plot Drawing
- Work with Layouts
- Viewports
- Document Plot
- Model space and paper space
EDS
- EDS
Sheet Set
- Sheet Set Manager Functional Bar
- Sheet Set Properties
  - Sheet Set Properties
  - Sheet Set Custom Properties
- Blocks in the Sheet Sets
- Sheet Set
- Create Sheet Set
- Open Sheet Set
- Actions on sheet set and its elements
Command Scripts and Extensions
- Software Extensions
- Creating Commands from Downloadable Applications and Command Scripts
- Command Scripts
- Script Editor (JS, VBS, LSP, DCL, SCR)
- Run nanoCAD from Command Line with Program Module
Mechanica Module
- INTRO
- Basic knowledge
- SETTINGS
- WORKING WITH STANDARD ELEMENTS
- DESIGNING
- ENGINEERING ANALYSIS
- DRAWING SPECIFICATIONS
- DRAWING DESIGN
- EDITING
- MECHWIZARD
- DEVELOPER'S GUIDE DATABASE
- UTILITIES
Construction Module
- MechWizard
- INTRO
- BASIC KNOWLEDGE
- SETTINGS
- DRAWING DESIGN
- EDITING
- UTILITIES
Messages
- Save changes?
- Saving in demo mode
- Switch it to 3D render mode
Version 24
- Area
- VP Freeze Layer in All Viewports Except Current
- Manage Block Marker Attributes
- Add a Group of Points
- Formation of a Legend
- Modify a Description Key
- Surface Difference
- Create Geopoints by Interpolation
- Creating Hatch
- Create Geopoints by Points and Texts
- Managing Point Cloud Revisions in the Database
- Displaying a Point Cloud
- Convert Points
- Creating Geopoints by Surface
- Create Description Key Set
- Delete a description key
- Modify Description Key Set
- Layers Functional Bar
- Layer Translator
- Hiding the Point Cloud
- Offset Dimension
- Project Objects onto a Surface
- Create a Description Key
- Texture Editor
- Delete Description Key Set

Surface Difference

CAD drafting Surface Difference 0 Ribbon: Topoplan – Texturing and Calculation > CAD software Surface Difference 1 Surface Difference

CAD drawing Surface Difference 2 Menu: Topoplan – Calculation > CAD drafting Surface Difference 3 Surface Difference

CAD software Surface Difference 4 Toolbar: Texturing and Calculation> CAD drawing Surface Difference 5 Surface Difference

CAD drafting Surface Difference 6 Command line: NG_HEIGHT_DIFFERENCE

The Surface Difference command creates a new surface by subtracting one surface from another.

CAD software Surface Difference 7

The command has no options.

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