Surface Difference

General Information
- Introduction
- System Requirements
- Program Installation
- Program Registration
- Launch of nanoCAD
- Help System
- Exit from nanoCAD
- Trademarks
nanoCAD User Interface
- Working with Commands
- User Interface
- Interface. The nanoCAD Button
- Quick Access Toolbar
- Interface. Ribbon
- Interface. 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
- Creation of New Document
  - New Document Creation
  - Template Usage
- Saving a Document
- Export
  - Exports
  - Integration with CAE Fidesys
- CAD Standards
- Utilities
- Work with Documents
- Opening a Document
- Drawing Properties
- Closing a Document
- Import
- Import PDF
- Importing PDF Underlay Data
- Create Transmittal Package
- File Explorer
- Drawing Comparison
Tuning nanoCAD
- Transferring user interface settings
- Tuning program parameters
- Graphic subsystem settings
- Customize User Interface
- Migration of settings from previous versions
- Drawing units
- Scale List
- Symbol scale and measurement scale
- System Variable Monitor
Coordinate Systems
- User Coordinate System 16000
- Coordinate system
- Aligning UCS to an Object
- New Origin for UCS
- UCS View
- New Origin and Rotation Angle for UCS
- Changing direction of Z axis
- Defining a new UCS by 3 points
- Rotating UCS around X, Y or Z axes
- Dynamic UCS
Precision tools
- Precision tools
- Precision Tools
- 2D Constraints
Graphic Display Management
- 3D Navigation
- Order of objects
- Control the Display of Objects (Isolation)
- Viewports of Model Space
  - Viewport of Model Space
  - Managing viewports from the command line
- 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 Type
  - Line type Editor
- “Properties” bar
- Layers
  - Tools to work with layers
- Layers Dialog Box
- Layer previous
- Objects’ Property
- Drawing Explorer
- Select Color Dialog Box
- Managing the Transparency of Object
Geometric objects
- Construction and reference geometry
  - Point
  - Infinite Lines
- Linear Objects
- Curved Objects
- Geometric object
- Size and style of points
Editing Objects
- Selection of objects
- Ways to edit objects
- Commands to edit geometric object
- Commands to edit objects
  - Commands to Edit and Replicate Objects
  - Erase
  - Copy
  - Mirror
  - Offset
  - Array
  - 3D Array
  - Delete duplicates
  - Move
  - Rotate
  - Scale
  - Stretch
  - Align
  - Distributing copies
  - Divide
  - Measure
  - Chamfer
  - Fillet
  - Explode
  - Explode all nanoCAD objects
- Editing object
Creating and editing complex objects
- Blocks
  - Block
- Proxy Objects
- External references control
- Underlays
  - Underlay
  - Insert Underlay
- Show boundary
- Groups of objects
- Insert External Reference
- Edit references
- Exploding a block reference
- 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 image
- 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
  - The Filling and Hatch command
  - Gradient fill
  - Fast Hatch
  - Fast Gradient
  - Modify Hatched Areas
- Work with Text
  - Work with Texts
  - 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
  - Dimensionings
  - 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
  - Dimension editing
  - Oblique dimension
  - Break and Restore dimensions
- Dimension styles
  - Dimension style
  - Modify a dimension style
- Multileader
  - Multileaders
  - 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
  - Table
  - Editing tables on the drawing
  - Interface of the Table Editor Dialog
  - Cell Properties dialog
  - Editing the Size of Rows and Columns
  - Import, Export from MS Excel
  - Page Division
  - Convert tables
  - Expression builder
  - Report creation
  - Grouping and merging cells
  - Insert material
- .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
- Surface
- 3D-Component Features
Tool Palettes
- Tool Palette
Point Clouds
- Point Clouds Display Settings
- Information
  - Point Cloud Info
  - Point info
- Point Cloud
- Import of Point Clouds
- Export of Point Clouds
- Extract from View
- Create a new Cloud Based on Clipping
- Clip Point Clouds by 2 Points of Rectangle
- Clip Point Clouds by 3 Points of Rectangle
- Clip Point Clouds by Fence
- Clip Undo
- Reset All Clips
- Point Clouds Unrestricted Section
- Point Cloud Horizontal Section
- Point Cloud Vertical Section
Command Scripts and Extensions
- Software Extensions
- Command scripts
- Script Editor
- Run from Command Lline
Topoplan module
- Creating Geopoints
  - Description Key Sets and Description Keys
    - Description Key Sets
    - Description Keys
  - Create The Geopoints Group Manually
  - The Geopoint Object
  - Create The Geopoints/Blocks Manually
  - Create The Geopoints by Interpolation
  - Create The Geopoints by Points and Texts
  - Convert The Points
  - Creating The Geopoints by Surface
- 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
  - 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 geopoints
  - Import from LandXML
  - Export to LandXML
  - Import from GIS
  - Export to GIS
- Topoplan
- Importing Geo-linked Rasters
- Add Measurement File
- Mesh Seal Holes
- Creating Marker Styles of Geopoints
- Hide Frames
- 2D Slope
- Create Layouts by Frames
- Save to Measurement Archive
- Edit Marker Style of Geopoints
- Converting to Meshes or 3D Faces
- 3D Slope
- Delete frames
- Save as Geounderlay
- 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
- Creating Label Styles of Geopoints
- Surface Difference
- Create Geopoints
Mechanica Module
- Intro
- Basic knowledge
- Settings
- Working With Standard Elements
- Designing
- Engineering Analysis
- Drawing Specifications
- Drawing Design
  - Mechanica: Drawing borders
  - Mechanica: Tables
- Mechanica Utilities
- Editing
- MechWizard
- Mechanica: Developer’s Guide Database
- Mechanica: BIM
  - Mechanica: IFC viewer
  - Mechanica: IFC import settings
Construction Module
- Formats
  - Drawing title/borders recognition
  - Working with standard formats
  - Use the links in the templates
  - New title wizard
  - New border wizard
  - Filling in the fields of the title block
  - Creating custom formats and stamps
- texts
  - Technical conditions
  - Technical parameters
  - Text editing
  - Construction text
- The tables
  - Table editor
  - The Conversion options
  - Grouping and merging the cells
  - Functions in the Formula Editor
  - Recalculation all tables in the drawing
  - Using Variables
  - Basic tools
  - Cell Properties
  - Using gestures for shortcuts
  - Report Template
  - Import, export from Excel
  - Editing size of the rows and the columns
  - Split the table by pages
  - Table recognition
  - Interface Expression Editor
  - Create reports
  - Using styles
  - Show object relations
  - Binding to a table cell
  - Editing a table in the drawing
  - Division by page
  - A Table
- Utilits
  - Objects numeration
  - Centerlines
  - Measurements
  - Insert material designation to the table
  - Arrays for arc trajectory
  - The Fillet
  - Breaks
  - The Rectangular array
  - The Chamfer
  - The Area array
  - The Anchor
  - The Magnet
  - The Plate Array
  - Notebook
  - Static beam calculation
  - Fragment Copy
  - Arrays along an arbitrary path(Trajectory)
  - Creating an array of objects
  - Creating a hatch
  - Steps of an array
  - Add the selected
  - The Calculator
- Denote
  - Position marker
  - Gradient symbol
  - Stationing
  - Correction Mark
  - Position
  - Fragment mark
  - Node
- BIM
  - IFC import settings
  - Model check
  - IFC viewer
  - BCF
- Edit
  - Group Edit
  - Export drawing file
  - Edit in-place
  - Parameters Redefinitions
  - Explode all
  - Find and Replace
  - Viewport context toolbar
  - Explode primitives
  - The Editing
  - Regeneration
  - Quick selection
- Architectural
  - Stairs
  - Join wall
  - Make Corner
  - Extend wall
  - Polygonal wall
  - Finishing
  - List of columns
  - Import IFC plans
  - Wall modifier
  - List of materials
  - Wall
  - Add Object
  - Convert to wall
  - Explication of rooms
  - Door
  - List of openings
  - Column
  - Room
  - Break the wall
  - Sheet of decorations
  - Parameters
  - Convert to wall modifier
  - Window
  - Trim wall
- Symbols
  - Hole group
- Communication
  - Create trace
  - Project Manager
  - Equipment
  - Sample create label
  - Template library
  - Automatic tracing
  - Library
  - Create equipment
  - Trace
  - Attribute library editor
  - Port
  - Table of connections
  - Create port
- Decor_params
  - Architectural decisions
  - Note for the multilayered constructions
  - Decor Table
  - Hot keys
  - Similar object
  - The Mechanical note
  - The Chain note
  - Correction marker
  - The Node
  - Views, sections
  - Additional extension lines
  - Design
  - new 13
  - Dimensions
  - Beam calculations
  - The Construction note
  - Construction axis
  - Line of break
  - Gradient
  - The Notes
  - The Section note
  - Construction: Holes
  - Engineering networks
  - Databases access
  - Common settings
  - The Node note
  - Plane elevation marks
  - Welds
  - Distribution range
  - Axes array
  - Edit Option
  - Marker
  - Notifications
  - The Settings
  - Designation stationing
  - The Symbols
  - 3D
  - The Common settings
  - 3D. Pseudo section properties
  - 2D views
  - Elevation mark
  - Standard elements
  - The Comb leader note
  - End markers
  - Layers and profiles
  - The Line Types
  - Transfer settings to another computer
  - Fixed Joints
  - Main options
  - The Linear aligned note
  - Fragment
  - The Notepad
  - Construction: IFC
  - Boundary form
  - Quick options
  - The Position
  - Standard
  - The Technical conditions
  - Forms
  - Drawing borders
- Cover
  - Change hidden mode
  - Move down
  - Regenerate suppression contours
  - Move up
- Engineering_analisys
  - Calculate section characteristics
- Axis
  - Array of polar axes
  - Rename construction lines
  - Circular construction axis
  - Separate markers
  - Orientation mark for construction line
  - Similar construction line
  - Refresh intersections of constructions axes
  - Array of orthogonal axes
  - Single axis
  - Arc construction axis
  - Adding axis to the array
  - Add markers
- FormEdit
  - Interaction of the form with the script
  - new 2
  - new 3
  - new 4
  - new 5
  - new 6
  - new 7
  - new 8
  - new 9
  - new 10
  - new 11
  - Form properties
  - The new 13
  - new 14
  - new 15
  - new 16
  - Form Editor
  - Collection Editor
  - new 19
  - new 20
- The Intro
  - Intro
- weld
  - Fixed joint
  - Welding…
  - Simplified weld joint
  - Simple welding
  - Weld seam
  - Edge preparation
- dbscript
  - Specification object
  - Functions to process surfaces
  - Object’s graphic
  - Requirements of the objects. List of the requirements. Graphic and script creation of the objects from the database using MechWizard
  - Steel welded neck GOST 12821-80
  - Panel HB
  - Details in the database. Dependences
  - Requirements of the standard details
  - Appendix 3. Object Classes
  - Localization mechanism
  - Functions of the standard objects
  - Dialogs of the database objects
  - Functions to work with dependences
  - Function for working with objects identifiers
  - Blind GOST 16076-70
  - Object versioning support
  - Line Type nanoCAD Construction
  - I-profiles GOST 19425
  - Mathematic functions to work with the surfaces
  - Functions for working with tables
  - Function – event handlers, activated by the base of the application
  - Other functions
  - Appendix 1. A list of keywords and reserved variables
  - Syntax scripting language
  - Eventive Object’s model
  - Object – centre holes GOST 14034-74
  - Abstract model of the detail
  - Graphics
- construction MechWizard
  - Script
  - Set Parameter
  - Working planes
  - Managing Dependencies
  - Table resources
  - Master dependencies
  - ScriptMaster
  - Suppression contour
  - Conditions rendering
  - Object tree
  - The Parameters
  - Object
  - To Edit
  - The Script
  - Description
  - Symmetry axis
  - Basic properties
  - Test Model
  - Implementation
  - Create sketch
  - Methods
  - Calculation of parameters
  - Hatch contour
  - Check boxes
  - Master of string of specification
  - Current script
  - Insert point
  - Parameter Properties
  - Compound objects
  - The Array
  - Script Master
  - Show / Hide parameters
  - Display conditions
- Level
  - The Elevation mark
  - Align level marks by baselines
  - Recalculate level marks
  - Level mark on plane
  - Align level marks by arrows
- Configuration
  - Configuration Utility (system data)
  - Configuration Utility
- Graphic
  - Similar object
  - Symmetrical rectangle
- Basic_know
  - Functional panels
  - Template
  - Object-dependent parts
  - Geometric constructions
  - The Example of design drawings of extended objects
  - Context menu entry fields
  - nanoCAD integration
  - The cursor-pointer
  - Jobs in the current scale
  - Selected and allotted object
  - Selecting the direction of drawing
  - Making projections in paper space (recommended)
  - The Help system
  - Regen
  - Parameters hatch
  - The Toolbars
  - Menu
  - Option 1. Making projections in model space
  - About the program
  - Special keys
  - The Paper space commands
  - Option 2. Making projections in model space
  - Copyrights and Licenses
  - Compatibility
  - The Special characters and fonts
  - Intelligent controls grips
- mDimension
  - Angle dimension
  - Ordinate dimension
  - Creating a dimension style
  - The Offset dimension
  - Break and Restore dimension line
  - Diameter
  - Comparing Dimension Styles
  - Edit dimension
  - Dimension Style Manager
  - Modify dimension style
  - Auto
  - Dimensions Chain
  - Linear dimensions
  - Large arc radius
  - Group dimension
  - The Oblique dimension
  - Arrange dimensions
  - Radius
  - Arc length dimension
  - Baseline dimension
- Note
  - Save template note
  - Adaptive note
  - The Distribution range
  - Construction Module: Comb leader note
  - Contruction Module: Construction note
  - Contruction Module: Section note
  - Contruction Module: Chain note
  - Contruction Module: Editing Notes
  - Contruction Module: Note for multilayered constructions
  - Contruction Module: Linear aligned note
  - Contruction Module: Mechanical note
  - Contruction Module: Node note
- hatch
  - Bound forms
- Design
  - Rivet joint
  - Threaded fastening
- work_standart_element
  - Simplified / Full View
  - User defined object
  - Calculations
  - Dependences
  - Add part trim
  - Reinsert object
  - Standard parts library
  - Tab “Objects”
  - Override main lines
  - Tab “Library”
  - Dialog “Overrides”
  - Remove part trim
  - Tab Manager
  - Properties
  - Working with Database Objects
  - Regenerate STD parts
  - Mirror Part
  - The table settings
  - Add View
- view
  - Section
  - To View
  - View and Section Label
- Marker
  - Create custom groups
  - Universal marker
  - User Groups
  - Template Wizard
  - Inserting Groups
- Lessons
  - Creating a template layout tiles
The Component Layout and Plot Drawing
- Work with Layouts
- Viewports
- Create a polygonal viewport
  - Create a viewport by object
  - Set show boundary for a viewport
- Document Plot
- Model space and paper space
EDS
- EDSs
Sheet Set
- Sheet Set Manager Functional Bar
- Sheet Set Properties
  - Sheet set property
  - Sheet set custom properties
- Blocks in the Sheet Sets
- Sheet sets
- Create Sheet Set
- Open Sheet Set
- Actions on sheet set and its elements
Messages
- Save changes?
- Saving in demo mode
- Switch it to 3D render mode
Version 23
- Exporting Cloud Data to a Database
- Copying Objects and Creating a Block by Dragging with the Right Mouse Button
- External References Control (Classic Version)
- Hide All Features
- Invert Clip
- Copy with Base Point
- Isolate Feature
- Path Array
- Associative Arrays
- Setting Clip
- Copy OLE-link
- Binding and Embedding OLE-Objects
- Detrmining the Diameter
- Paste Special
- Determining the Radius
- Paste to Original Coordinates
- 3D Module
- Batch File Processing
- Explode Geometry
- Create Geopoints Group Manually
- Overriding Layer for New Hatches and Fills (HPLAYER)
- Creating a New Document by Template
- Cut
- Align the Viewport Objects
- Open OLE-Object
- Clip Clouds by Cylinder
- Update All OLE-Links
- Visual Styles Editor
- Isolate All Features
- Geopoint Object
- Paste as Raster
- Hide Feature
- Paste as Block
- Reset Block
- Transformation to Default Coordinates
- Using Drawing Explorer to Work with Groups
- Clip Map Underlay
- Selection of Overlaid Objects
- Point Clouds Data Formats
- Configuring Connections to Database
- Object 3D Snap
- Unload Map Underlay
- Clip Clouds by Sphere
- Paste
- Recalculation of Point Cloud Coordinates
- Arc Text
- Show All Features
- Feature Isolation Reset
- Edit Polyline Segments
- Load map underlay
- Import Cloud Data from DBMS
- Modular Program Configuration
- Isolate Features
- Offset of a 3D-Polyline
- Recalculation of point cloud coordicates
- Insert Map Underlay
- Float Document Window
- Creating Commands from Downloadable Applications and Command Scripts
- Copying a Clip to the Selected View
- Hatch Dialog Box
- Create Layer
- Insert OLE-Object
- Bounding Prism by Selected Object
- 3D Block Editor
- Import of KML/KMZ files
- Updating Links of OLE-Objects
- Rectangular Array
- Work with DBMS-Based Point Cloud Storage
- Polar Array
- Edit Array
- Developer’s Guide Database
- Distributing Objects by Layer
- Arrays
- Copying and Insertion of Objects Using Clipboard
- Setting of the Show Boundary for a Raster Images
- Groups of Object
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
- 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
Version 25
- Loading Python-script
- The Mesh Seal Holes
- Quick Properties
- To Save as Geounderlay
- To Modify a Description Key
- The Clip Map Underlay
- All Line Types
- The Offset of a 3D-Polyline
- Delete Description Key Set
- The IFC Viewer
- Converting a Mesh, a Polyface Mesh and 3D Faces into a TIN Surface
- The Background Mask for Multiline Text
- To Export to GIS
- To Hide the Point Cloud
- Licensing and Launching nanoCAD
- To Attach GeoUnderlay
- Interface. Functional Toolbars
- The new 19
- Interface. Search Field
- The Mirroring
- To Unload Map Underlay
- The Clip Point Clouds
- Geocalculator
- Control the display of Hatched Objects
- To Add Measurement File
- To Import measurements
- Vector Correction
- To Convert Model to Polyface Mesh
- To Display a Point Cloud
- The Load map underlay
- Plotter Settings
- Converting a TIN Surface into a Mesh, a Polyface Mesh and 3D Faces
- To Import from GIS
- To Create a description key
- Save the Measurement Archive
- The Editing Properties of Geopoint Groups
- The Import of KML/KMZ files
- To Delete a description key
- Information About Coordinate Systems
- The Information About Coordinate Systems
- Paper Formats
- Point Cloud Project Manager
- Problem Report
- Creating a Coordinate System

Ribbon: Topoplan – Texturing and Calculation > Surface Difference
Menu: Topoplan – Calculation > Surface Difference
Toolbar: Texturing and Calculation> Surface Difference
Command line: NG_HEIGHT_DIFFERENCE

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

The command has no options.

Creating Label Styles of Geopoints

Create Geopoints

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