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Intermediate 1h 46m 260 MB Project Files Software used: AutoCAD for Mac Title: Lynda – AutoCAD for Mac: Using Dynamic Blocks Info: Blocks allow you to reuse a group of objects over and over again-saving time and creating consistency in your AutoCAD drawings. Dynamic blocks take that power a step further, allowing you to adjust the shape, size, or configuration of blocks as you insert them.
Learn how to use dynamic blocks to their full potential in AutoCAD for Mac. This course teaches you the basics, from working with existing dynamic blocks to setting up custom dynamic blocks. Instructor Shaun Bryant shows how to create standard and dynamic blocks, adjust block definitions with the Block Parameter, add parameters (aka rules) to control block behavior, and control the visibility of objects in blocks with visibility states. By the end, you will be able to create your own dynamic blocks, and communicate design intent, quickly, and productively on the world’s most well-known CAD platform for macOS X.
These glossary entries span AutoCAD-based products on both Windows and Mac. While some features and types of objects are not available in all products, drawing files can be shared between products and might contain objects or involve features from other products. Commands associated with definitions are shown in parentheses at the end of the definition. 3Dconnexion A set of navigation tools used to control the current view of a model with a 3Dconnexion device. 3D mesh primitive Basic mesh objects such as a box, cone, cylinder, pyramid, wedge, sphere, and torus defined by faceted rather than smooth surfaces.
(MESH) absolute coordinates Coordinate values measured relative to the coordinate system's origin point (0,0,0). See also origin, relative coordinates, user coordinate system (UCS), world coordinates, and world coordinate system (WCS). ACB For AutoCAD Color Book. The XML file format used to store color book data that can be used in AutoCAD-based products. Some commercial color book files contain encrypted data to protect proprietary settings. Acquired point An intermediate location used as a reference when you use the tracking or object snap tracking methods of locating a point.
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Acquisition marker The temporary plus sign displayed at the location of an acquired point when you use the tracking or object snap tracking methods of locating a point. Action The smallest task or user interaction that can be recorded with the Action Recorder.
Action bar A toolbar-like interface that displays the actions associated with a parameter object. Action macro A series of recorded actions that can be played back in the active drawing. Action macro file A file that stores all the actions contained in an action macro. Action macro files have the file extension.
Action tree A control used to display the recorded actions in an action macro. Adaptive degradation A method of managing graphics performance by turning off graphic features when performance falls below a specified number of frames per second. Adaptive sampling A method to accelerate the anti-aliasing process within the bounds of the sample matrix size. See also anti-aliasing. Add-ins Libraries of content that extend the functionality of the product. Add-ins are created by third party developers and can be accessed either for free or at a small cost from the App tab in Autodesk Exchange web page. Adjacent cell selection A selection of table cells that share at least one boundary with another cell in the same selection.
Affine calibration A calibration method for digitizing tablets that provides an arbitrary linear transformation in 2D space. Affine calibration requires three calibration points to allow a tablet transformation that combines translation, independent X and Y scaling, rotation, and some skewing.
Use affine calibration if a paper drawing or map has been stretched differently in the horizontal or vertical direction. (TABLET) alias A shortcut for a command entered at the Command prompt. For example, CP is an alias for COPY, and Z is an alias for ZOOM.
You define aliases in a product-specific. Pgp file such as acad.pgp or aclt.pgp.
Aliasing The effect of picture elements, or pixels, aligned as a diagonal or curved edge that appearing jagged or stepped. See also anti-aliasing. Aligned dimension A dimension that measures the distance between two points at any angle. The dimension line is parallel to the line connecting the dimension's definition points. (DIMALIGNED) alpha channel Alpha is a type of data, found in 32-bit bitmap files, that assigns transparency to the pixels in the image. A 24-bit truecolor file contains three channels of color information: red, green, and blue, or RGB.
Each channel of a truecolor bitmap file is defined by 8 bits, providing 256 levels of intensity. The intensity of each channel determines the color of the pixel in the image.
Thus, an RGB file is 24-bit with 256 levels each of red, green, and blue. By adding a fourth, alpha channel, the file can specify the transparency, or opacity, of each of the pixels. An alpha value of 0 is transparent, an alpha value of 255 is opaque, and values in between are semi-transparent.
An RGBA file (red, green, blue, alpha) is 32-bit, with the extra 8 bits of alpha providing 256 levels of transparency. To output a rendered image with alpha, save in an alpha-compatible format such as PNG, TIFF, or Targa. Ambient color The color reflected by an object when it is illuminated only by ambient light rather than direct light. Ambient color is the color of an object where it is in shadow. Ambient light Light that illuminates all surfaces of a 3D model with equal intensity. Ambient light has no single source or direction and does not diminish in intensity over distance. Angular dimension A dimension that measures angles or arc segments and consists of text, extension lines, and leaders.
(DIMANGULAR) angular unit The unit of measurement for an angle. Angular units can be measured in decimal degrees, degrees/minutes/seconds, grads, and radians. Annotational constraint A type of dimensional constraint that serves as a dimension object in addition to controlling the size of the geometry. See also parameter constraint and dynamic constraint. Annotations Text, dimensions, tolerances, symbols, notes, and other types of explanatory symbols or objects.
Annotation scale A setting that is saved with model space, layout viewports, and model views. When you create annotative objects, they are scaled based on the current annotation scale setting and automatically displayed in a view at the correct size. Annotative An object property that is assigned to objects that are used to annotate drawings. This property automates the process of scaling annotations in layout viewports and in model space. Annotative objects are defined at a paper height.
Anonymous block An unnamed block created by several features, including associative and nonassociative dimensions. Anti-aliasing A method that reduces aliasing by shading the pixels adjacent to the primary pixels that define a line or boundary. See also aliasing. Application menu The Windows-based menu that is displayed when you click the Application button in the upper-left corner of the application window.
The application menu contains common tools for creating, saving, and publishing a file. Approximation points Point locations that a B-spline must pass near, within a fit tolerance. See also fit points and interpolation points. Multiple copies of selected objects in a rectangular or polar (radial) pattern. A collection of data items, each identified by a subscript or key, arranged so a computer can examine the collection and retrieve data with the key. Arrowhead The symbol at the end of a dimension line showing where a dimension begins or ends.
Aspect ratio The ratio of width to height commonly associated with graphic displays and with images. Associative dimension A dimension that automatically adjusts its size and value when the associated geometry is modified. (DIMASSOC system variable) See also nonassociative dimension and exploded dimension. Associative hatch Hatching that conforms to its bounding objects such that modifying the bounding objects automatically adjusts the hatch.
(BHATCH) associative surfaces Associative surfaces automatically adjust their location and shape when the geometric objects associated with them are modified. (SURFACEASSOCIATIVITY system variable) attenuation The diminishing of light intensity over distance. Attribute definition An object that is included in a block definition to store alphanumeric data.
Attribute values can be predefined, or they can be specified when the block is inserted. Attribute data can be extracted from a drawing and saved to a text file. (ATTDEF) attribute extraction file A text file to which extracted attribute data is written. The contents and format are determined by the attribute extraction template file. See also attribute extraction template file. Attribute extraction template file A text file that determines what attribute data is extracted, and how the data is formatted when it is written to an attribute extraction file. See also attribute extraction file.
Attribute prompt The text prompt displayed when you insert a block containing an attribute that needs a value entered. See also attribute definition, attribute tag, and attribute value.
Attribute tag The identifying name given to an attribute, which is used during extraction of attribute data from a drawing. See also attribute definition, attribute prompt, and attribute value. Attribute value The text or numeric information stored in an attribute. See also attribute definition, attribute prompt, and attribute tag. AutoCAD 360 A free, web-based mobile and desktop app that is useful for viewing, editing, and sharing drawings with colleagues, consultants, and clients in remote locations.
AutoCAD Color Book See ACB. Autodesk A360 A cloud-based platform that gives you access to storage, a collaboration workspace, and cloud services to help you design, visualize, simulate, and share your work with others anytime and anywhere. Autodesk A360 folder A folder on your local computer that stores files and folders to be synchronized with Autodesk A360.
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Open this folder by clicking its icon on your desktop or in the Windows notification area (also called the system tray). Autodesk Account Subscription members can access the latest releases of Autodesk software, incremental product enhancements, and additional services. Auxiliary projected view or auxiliary view In the model documentation feature, auxiliary projected views display the true shape and relationship of features that are not located on planes parallel to any of the principal planes of projection. Axis tripod An icon with X, Y, and Z coordinates that is used to visualize the viewpoint (view direction) of a drawing without displaying the drawing.
(VPOINT) baseline An imaginary line on which text characters appear to rest. Individual characters can have descenders that drop below the baseline. See also baseline dimension. Baseline dimension Multiple dimensions measured from the same baseline. Also called parallel dimensions. See also baseline.
Base point 1. In the context of editing grips, the grip that changes to a solid color when selected to specify the focus of the subsequent editing operation. A point for relative distance and angle when copying, moving, and rotating objects. The insertion base point of the current drawing. The insertion base point for a block definition. (BLOCK) base view a drawing view that is projected directly from a 3D model.
Basic wheels A reference to the View Object wheel and Tour Building wheel. Bezier curve A polynomial curve defined by a set of control points, representing an equation of an order one less than the number of points being considered. A Bezier curve is a special case of a B-spline curve.
See also B-spline curve. Big wheels The large version of the SteeringWheels. Labels are displayed on each wheel wedge and they are larger than the size of the cursor. Bitmap The digital representation of an image having bits referenced to pixels. In color graphics, a different value represents each red, green, and blue component of a pixel.
Block A generic term for one or more objects that are combined to create a single object. Commonly used for either block definition or block reference. (BLOCK) See also block definition and block reference.
Block action Defines how the geometry of a dynamic block reference will move or change when the custom properties of a block reference are manipulated in a drawing. A dynamic block definition usually contains at least one action that is associated with a parameter. (BACTION) block authoring object A dimensional constraint, parameter, or action that adds intelligence to a block definition.
Block authoring palettes Tool palettes used in the Block Editor to add actions and parameters to dynamic block definitions. Block authoring tools Actions, parameters, and parameter sets on the tabs of the Block Authoring Palettes window. Used in the Block Editor to create dynamic blocks. Block constraint parameter A dimensional constraint that has block authoring information associated with it.
See also dynamic constraint and annotational constraint. Block definition The name, base point, and set of objects that are combined and stored in the block definition table of a drawing.
See also block and block reference. Block definition table The nongraphical data in a drawing file that stores block definitions. Sometimes called the block symbol table or block table. See also named object.
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Block instance See block reference. Block properties table A table that enables users to define different values for a set of properties for the block definition.
Replacement for lookup properties in the future. Block reference A compound object that is inserted in a drawing and displays the data stored in a block definition. Also called an instance. (INSERT) See also block and block definition. Bounded area A closed area that consists of a single object such as a circle or closed polyline, or of multiple, coplanar objects that overlap. Bounded areas are used to create objects such as hatches.
B-spline curve A blended piecewise polynomial curve passing near a given set of control points. (SPLINE) See also Bezier curve. Bulge magnitude The amount of curvature where two surfaces meet. This only applies to surfaces that have G1 or G2 continuity. Bump map A map in which brightness values are translated into apparent changes in the height of the surface of an object. Button menu The menu for a pointing device with multiple buttons. Each button on the pointing device (except the pick button) can be defined in the customization file, which is acad.cuix for AutoCAD and aclt.cui for AutoCAD LT.
BYBLOCK A special object property used to specify that the object inherits the color or linetype of any block containing it. See also BYLAYER.
BYLAYER A special object property used to specify that the object inherits the color or linetype associated with its layer. See also BYBLOCK. Callout block A block used as symbol to reference another sheet. Callout blocks have many industry-specific terms, such as reference tags, detail keys, detail markers, and so on. See also label block. Camera Defines the current eye-level position in a 3D model.
A camera has a location XYZ coordinate, a target XYZ coordinate, and a field of view or lens length, which determines the magnification or zoom factor. Camera target Defines the point you are viewing by specifying the coordinate at the center of the view. Candela The SI unit of luminous intensity (perceived power emitted by a light source in a particular direction) (Symbol: cd). Cd/Sr cell The smallest available table selection. Cell boundary The four gridlines surrounding a table cell.
An adjacent cell selection can be surrounded with a cell boundary. Cell style A style that contains specific formatting for table cells. Chain actions In a dynamic block definition, a property of point, linear, polar, XY, and rotation parameters. When set to Yes, a change in an action that contains the parameter in the action's selection set triggers any actions associated with that parameter, just as if you had edited the parameter in the block reference through a grip or custom property. Circular external reference An externally referenced drawing (xref) that references itself directly or indirectly. The xref that creates the circular condition is ignored. Clamp curve A smooth, closed curve such as a circle.
Because it has a vertex that is tangent to the object, if the curve is reshaped, it may create kinks. See also periodic curve. Clamp surface A smooth, closed surface such as a cylinder. Because it has a vertex that is tangent to the object, if the surface is reshaped, it may create kinks.
See also periodic surface. Clipping planes The boundaries that define or clip the field of view. Cloud computing Refers to executing software and storing data on shared servers over the internet.