ÿþ<!--UA Updates for AutoCAD 2008> Changed Drawing Web Format to Desgn Web Format for DWF glossary term. <!--> <!doctype html public "-//w3c//dtd html 4.0 transitional//en"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <meta name="Author" content="Richard Weiss"> <meta name="GENERATOR" content="Mozilla/4.73 [en] (WinNT; I) [Netscape]"> <title>Heidi Glossary</title> </head> <body ONLOAD="if(parent.frames[&quot;&quot;])location=&quot;#nowhere&quot;; if(parent.frames[&quot;frm5&quot;])parent.frames[&quot;frm5&quot;].location=&quot;HDIGlossaryHd.html&quot;"> <b><font face="Arial,Helvetica"><font size=+3>Heidi Glossary of Terminology</font></font></b> <br> <hr WIDTH="100%"> <br><font size=+1>The Glossary contains acronyms and terms that are unique to Heidi as well as other new and obscure terminology.</font> <ul><a NAME="ARI"></a><font size=+1><b>ARI </b><font face="Symbol">&frac34; </font>Abort/Retry/Ignore.</font> <p><a NAME="ARX"></a><font size=+1><b>ARX</b> <font face="Symbol">&frac34;</font> An object oriented AutoCAD development system for writing applications in C++.</font> <p><a NAME="BGR"></a><font size=+1><b>BGR </b><font face="Symbol">&frac34;</font>Blue, Green, Red, as used by the GDI, is simply the reverse order of RGB.</font> <p><a NAME="BiDi"></a><b><font size=+1>BiDi </font></b><font face="Symbol"><font size=-1>&frac34;</font></font><font size=+1> BiDirectional I/O port that can have information coming back from the device.</font> <p><a NAME="Capabilities"></a><font size=+1><b>Capabilities</b> <font face="Symbol">&frac34;</font> These data describe the list or range of configurable values for each hardcopy, configuration datum <font face="Symbol">&frac34;</font> for example, a list of supported paper sizes. For more information, see Appendix D,&nbsp; "<a href="../AppendixD.html">Hardcopy</a>."</font> <p><a NAME="CMYK"></a><font size=+1><b><a href="../AppendixA/Classes/HT_CMYK32.html">CMYK</a></b><font face="Symbol">&frac34;</font> A type of color system based on Cyan, Magenta, Yellow and black (K) as opposed to Red, Green and Blue.</font> <p><a NAME="Configuration"></a><font size=+1><b>Configuration</b> <font face="Symbol">&frac34;</font> The current value for a configuration datum.</font> <p><a NAME="Dithering"></a><b><font size=+1>Dithering </font></b><font face="Symbol"><font size=-1>&frac34; </font></font><font size=+1>Simulating more colors than a device actually supports by drawing patterns of dots of varying color which the eye blends into a new color.</font> <p><a NAME="DOCfile"></a><font size=+1><b>DOC file</b><i>&nbsp; </i><font face="Symbol">&frac34;</font><i>&nbsp;</i> A binary file that supports a directory like structure internally.</font> <p><a NAME="DRC"></a><b><font size=+1>DRC </font></b><font face="Symbol"><font size=-1>&frac34; </font></font><font size=+1>A file format which is a list of model capabilities such as paper sizes or resolution. For more information, see Appendix D,&nbsp; "<a href="../AppendixD.html">Hardcopy</a>."</font> <p><a NAME="DWF"></a><font size=+1><b><font face="Book Antiqua,Times New Roman">DWF&nbsp;</font></b><font face="Symbol">&frac34;</font><font face="Book Antiqua,Times New Roman">&nbsp;Design Web Format. An AutoCAD file type that allows <i>.dwg</i> files to be transmitted and read via the Internet, including many drawing features such as pan, zoom, hyperlinks, layers, named views, markups and other object and header information.</font></font> <p><a NAME="dword"></a><font size=+1><b>dword</b><font face="Symbol">&frac34;</font> In Intel architecture this is a 4 byte word or 32 bit number.</font> <p><a NAME="EOV"></a><font size=+1><b>EOV</b> <font face="Symbol">&frac34;</font> The Heidi renderer for the Elimination of Overlapping Vectors.</font> <p><a NAME="Error"></a><b><font size=+1>Error </font></b><font face="Symbol"><font size=-1>&frac34; </font></font><font size=+1>An unexpected or undesired result. Errors can vary in severity from minor warnings, to fatal</font><font face="Symbol"><font size=-1>&frac34;</font></font><font size=+1>a&nbsp; complete application crash.</font> <p><a NAME="ErrorHandler"></a><b><font size=+1>Error Handler </font></b><font face="Symbol"><font size=-1>&frac34; </font></font><font size=+1>the error handler either does UI (putting up an alert box or dialog), logs the error to a file, or it delegates the handling of the error to a parent error hander, if any exists. For more information, see Appendix D,&nbsp; "<a href="../AppendixD.html">Hardcopy</a>."</font> <p><a NAME="Exception"></a><b><font size=+1>Exception </font></b><font face="Symbol"><font size=-1>&frac34; </font></font><font size=+1>The try-catch-throw method of error handling is frequently called exception handling. An exception object is created when an error is thrown.</font> <p><a NAME="FibreChannel"></a><b><font size=+1>FibreChannel8 </font></b><font face="Symbol"><font size=-1>&frac34;</font></font><font size=+1>Fibre Channel, a recent initiative between HP, IBM and Sun Microsystems, is designed primarily for high-speed mass storage and clustered computing, based on an extremely high-speed/low-delay switching fabric. Using fiber-optic cabling, Fibre Channel will switch dedicated circuits at rates from 266 Mbit/s to multi-gigabits/s.</font> <p><a NAME="FireWire"></a><b><font size=+1>FireWire </font></b><font face="Symbol"><font size=-1>&frac34; </font></font><font size=+1>A new high speed serial interface detailed in IEEE-1394. This interface can handle from 100-400 Mbits/sec, using a six wire twisted pair cable. Two of the 6 wires are power conductors. FireWire supports both asynchronous and isosynchronous protocols. FireWire was originally developed by Apple Computer but is more widely adopted for use in digital video applications. See also, <a href="#USB">USB</a> and <a href="#FibreChannel">FibreChannel8</a></font>. <p><a NAME="Fog"></a><b><font size=+1><a href="../Chapter8/Chapter8.html#Fog">Fog</a></font></b><font face="Symbol"><font size=-1>&frac34; </font></font><font size=+1>An atmospheric effect that limits the visibility of objects in an ordered and controllable way, and is applied after matrix transformations, lighting and texturing.</font> <p><a NAME="GS"></a><b><font size=+1>GS </font></b><font face="Symbol"><font size=-1>&frac34; </font></font><font size=+1>Graphic System.</font> <p><a NAME="HDI"></a><b><font size=+1>HDI </font></b><font face="Symbol"><font size=-1>&frac34; </font></font><font size=+1>Heidi Device Interface, used for HOOPS drivers and for Heidi renderers and drivers. HDI is a scalable interface that allows hardware to do as much work as it is capable of handling.</font> <p><a NAME="Heidi"></a><b><font size=+1><a href="http://www.autodesk.com/heidi">Heidi</a></font></b><font face="Symbol"><font size=-1>&frac34; </font></font><font size=+1>An immediate mode C++ 3D graphics library derived from <a href="http://www.hoops3d.com">HOOPS</a>. Heidi is configurable with stackable renderers (Patent Pending).</font> <p><a NAME="HLR"></a><font size=+1><b><a href="../Chapter9/Chapter9.html">HLR</a></b><font face="Symbol">&frac34;</font> The Hidden Line Renderer, clips lines with Heidi entities and primitives, such as polytriangles, polylines and lights, and Heidi attributes, such as lineweight, color, and camera properties. See the <a href="#SZB">SZB</a>, also.</font> <p><a NAME="hotPlugging"></a><font size=+1><b>hot plugging</b> <font face="Symbol">&frac34;</font> Windows messages are sent to interested applications to notify them of the coming and going of devices.</font> <p><a NAME="How-to-Plot"></a><font size=+1><b>How-to-Plot </b><font face="Symbol">&frac34; </font>The collection of data, not tied to a specific drawing, which describes a plotting device, IO connection to that device, media size, source and orientation, and the pen tables that control pen overloading. AutoCAD 2000 <i>PCP</i> files hold complete How-to-Plot configurations. Pre AutoCAD R14 <i>PCP</i> files don t hold IO connection information. In AutoCAD 2000, <i>.PC3</i> files are created which store individual How-to-Plot configurations, cleanly separated from <a href="#What-to-Plot">What-to-Plot</a> information. For more information, see Appendix D,&nbsp; "<a href="../AppendixD.html">Hardcopy</a>."</font> <p><a NAME="Hybrid"></a><b><font size=+1>Hybrid plotting </font></b><font face="Symbol"><font size=-1>&frac34; </font></font><font size=+1>plotting a mixture of wireframe and hidden line or rendered images on the same page. In other words, plotting more than one view, where there are varying rendering attributes among the views.</font> <p><a NAME="IE"></a><font size=+1><b>ATIL</b> </font><font face="Symbol"><font size=-1>&frac34;</font></font><font size=+1> The Autodesk Technical Image Library, an <a href="#ARX">ARX</a> application. For more information, see Appendix D,&nbsp; "<a href="../AppendixD.html">Hardcopy</a>."</font> <p><a NAME="ICM"></a><font size=+1><b>ICM</b> <font face="Symbol">&frac34;</font> Image Color Matching. For more information, see Appendix D,&nbsp; "<a href="../AppendixD.html">Hardcopy</a>."</font> <p><a NAME="IHV"></a><b><font size=+1>IHV </font></b><font face="Symbol"><font size=-1>&frac34; </font></font><font size=+1>Independent Hardware Vendor, for example, HP or CalComp.</font> <p><a NAME="ISM"></a><b><font size=+1>ISM </font></b><font face="Symbol"><font size=-1>&frac34;</font></font><font size=+1> The Image Support Module. An <a href="#ARX">ARX</a> application interface between AutoCAD and an Autodesk Technical Image Library model. For more information, see Appendix D,&nbsp; "<a href="../AppendixD.html">Hardcopy</a>."</font> <p><a NAME="ISV"></a><b><font size=+1>ISV </font></b><font face="Symbol"><font size=-1>&frac34; </font></font><font size=+1>Independent Software Vendor, for example, Panacea, Vibrant and so forth.</font> <p><a NAME="Layout"></a><font size=+1><b>Layout </b><font face="Symbol">&frac34; </font>Puts paper into Paper Space and shows the boundary of the plotable area of the current device s current paper size and orientation. For example, in Paper Space, it is possible to show the boundary of the plotable area of the current <font face="Arial,Helvetica">How-to-Plot</font> and to compose a <font face="Arial,Helvetica">What-to-Plot</font> configuration visually on that plottable area.</font> <p><a NAME="Longplot"></a><b><font size=+1>Longplot </font></b><font face="Symbol"><font size=-1>&frac34; </font></font><font size=+1>This means plotting on paper that is longer than 65". In this case, using a 16 bit graphic system, such as ADI or GDI on Win95, plots are limited to 65,000 plotter increments and many plotters have 1000 increments per inch. In this situation, longplotting is done by reducing the effective resolution to get a bigger paper size. If resolution is reduced to 250 increments per inch, a plot can be made 4 times as large, or 270" long. Some users do longplots of 100 feet in length.</font> <p><font size=+1>A better solution is to increase the dynamic range of the graphic system. Heidi accomplishes this and allows very large plots without sacrificing resolution, when plotting to a non-system driver. For more information, see Appendix D,&nbsp; "<a href="../AppendixD.html">Hardcopy</a>."</font> <p><a NAME="LSB"></a><font size=+1><b>LSB</b> <font face="Symbol">&frac34;</font>&nbsp; Least Significant Byte or Bit. For more information see <a href="#MSB">MSB</a>.</font> <p><a NAME="MBCS"></a><font size=+1><b>MBCS</b> <font face="Symbol">&frac34; </font>Multi-Byte Character Strings, an 8 bit character set used internally by AutoCAD. These should not contain a new line character, <tt>\n</tt>, because this character is used as a delimiter for string properties.</font> <p><a NAME="MFC"></a><b><font size=+1>MFC </font></b><font face="Symbol"><font size=-1>&frac34; </font></font><font size=+1>Microsoft Foundation Classes <font face="Symbol">&frac34;</font> a C++ class library.</font> <p><a NAME="MFCUIObject"></a><b><font size=+1>MFC UI Object </font></b><font face="Symbol"><font size=-1>&frac34; </font></font><font size=+1>When the <font face="Arial,Helvetica">How-to-Plot</font> MFC UI object is in use, the user is doing interactive plotting. This object holds the hardcopy subsystem's local error handler which handles UI for most non-fatal errors, usually with alerts or dialogs.&nbsp; For more information, see Appendix D,&nbsp; "<a href="../AppendixD.html">Hardcopy</a>."</font> <p><a NAME="MSB"></a><font size=+1><b>MSB</b> <font face="Symbol">&frac34;</font>&nbsp; The Most Significant Byte or Bit. In Intel architecture, for example in a <a href="#dword">dword</a>, the MSB is last in order and the least significant byte (LSB) is first; whereas, the most significant bit is first in order and the least significant bit is last.</font> <p><a NAME="NullUIObj"></a><b><font size=+1>Null UI Object </font></b><font face="Symbol"><font size=-1>&frac34; </font></font><font size=+1>When the <font face="Arial,Helvetica">How-to-Plot</font> Null UI object is in use, the user is doing batch plotting. This object handles most non-fatal errors by logging them to a log file, avoiding UI that would block the batch plotting process. For more information, see Appendix D,&nbsp; "<a href="../AppendixD.html">Hardcopy</a>."</font> <p><a NAME="PCM"></a><font size=+1><b>PCM</b> <font face="Symbol">&frac34;</font> Plot Configuration Manager.</font> <p><a NAME="PCPfile"></a><font size=+1><b>PCP file </b><font face="Symbol">&frac34; </font>Plot Configuration Parameter file which holds a <a href="#How-to-Plot">How-to-Plot</a> description. AutoCAD R12 and R13 <i>PCP</i> files only hold part of a plot configuration <font face="Symbol">&frac34; </font>lacking I/O connection data. In AutoCAD 2000, <i>PC3</i> files hold all non-default configuration data along with the identity of the driver and the model which supplies the default values <font face="Symbol">&frac34; </font>to make them useful for batch plotting.</font> <p><a NAME="PC2file"></a><font size=+1><b>PC2 file </b><font face="Symbol">&frac34; </font>An&nbsp; AutoCAD R14 plot configuration file. This is a file format similar to the AutoCAD configuration file that holds one complete ADI plot configuration that may be used by the batch plot utility shipping with AutoCAD R14.</font> <p><a NAME="PC3file"></a><font size=+1><b>PC3 file </b><font face="Symbol">&frac34; </font>An AutoCAD 2000 plot configuration file. This is a <i>PIA</i> file which holds a complete <i>HDI</i>&nbsp; <a href="#How-to-Plot">How-to-Plot</a> configuration description.&nbsp; In contrast to <i>PCP</i> or <i>PC2</i> files, the <i>PC3</i> file does not hold any <a href="#What-to-Plot">What-to-Plot</a> information, nor does it hold pen table information, making it more useful for portability and for batch plotting.</font> <p><a NAME="PDT"></a><b><font size=+1>PDT Files </font></b><font face="Symbol"><font size=-1>&frac34;</font></font><font size=+1> An intermediary file format used to create a <a href="#DRC">DRC</a> file.</font> <p><a NAME="Pen"></a><font size=+1><b>Pen </b><font face="Symbol">&frac34; </font>the tool in a Vector Hardcopy device which expresses a given vector on the final output media. Most commonly, this is an object, usually filled with ink, that is used to make a mark on the media, but it can also refer to a cutting tool in other devices. Pens have various characteristics such as color, the width of the line that they produce, the speed at which they can be moved while still generating an acceptable mark or cut, and so on.</font> <p><a NAME="pen-like devices"></a><font size=+1><b>pen-like devices </b><font face="Symbol">&frac34; </font>Computer-controlled cutting tools used to cut or engrave metal, plastic and other materials.</font> <p><a NAME="PenNum"></a><font size=+1><b>Pen Number </b><font face="Symbol">&frac34;</font> A value used to identify a particular pen in a multi-pen Vector Hardcopy device.</font> <p><a NAME="penOptimization"></a><b><font size=+1>pen optimization </font></b><font face="Symbol"><font size=-1>&frac34; </font></font><font size=+1>There are several levels of pen optimization which are applied to pen plotters and pen-like devices. The lowest level is endpoint swapping which attempts to make sure that connected vectors (such as those making up a tessellated arc) are drawn in one continuous sequence of strokes. The next level sorts colors to minimize pen changes <font face="Symbol">&frac34;</font> for example, drawing all of the reds, then all of the blues, and so forth. The higher levels do regional motion optimization and elimination of overlapping vectors.</font> <p><a NAME="PenOverld"></a><font size=+1><b>Pen Overloading </b><font face="Symbol">&frac34; </font>The association of additional or different attributes with a drawing entity based on its Color (current system) or its Pen Number (proposed design) for the purpose of causing that entity to be rendered properly with a Vector Hardcopy device.</font> <p><a NAME="PenPlot"></a><font size=+1><b>Pen Plotter </b><font face="Symbol">&frac34; </font>a <a href="#Vector Hardcopy">Vector Hardcopy device</a> that uses actual pens with ink in them. It is the most common and most familiar type of Vector Hardcopy device.</font> <p><a NAME="PenStl"></a><font size=+1><b>Pen Style </b><font face="Symbol">&frac34; </font>An entity attribute associated with drawing entities which can be overloaded to cause them to be rendered using a particular pen number, pen speed, linetype, and so forth.</font> <p><a NAME="PIAfile"></a><font size=+1><b>PIA file </b><font face="Symbol">&frac34; </font>Property Information in ASCII. An ASCII text file that holds name value pairs in a known format.</font> <p><a NAME="PlotConfig"></a><font size=+1><b>Plot Configuration</b> (noun) <font face="Symbol">&frac34; </font>the data involved in plot configuration is divided into two groups: What-to-Plot and <a href="#How-to-Plot">How-to-Plo</a>t. For more information, see Appendix D,&nbsp; "<a href="../AppendixD.html">Hardcopy</a>."</font> <p><a NAME="PlotStyle"></a><font size=+1><b>Plot Style </b><font face="Symbol">&frac34;</font> A collection of entity attribute policies including a color policy, linetype policy, and so forth.</font> <p><a NAME="PlotStyleName"></a><b><font size=+1>Plot Style Name </font></b><font face="Symbol"><font size=-1>&frac34; </font></font><font size=+1>An entity attribute associated with drawing entities. The Plot Style Name can be associated with a <a href="#PlotStyle">Plot Style</a> by means of a Style Sheet, allowing the drawing entities to be rendered using a particular pen number, pen speed, linetype, and so forth.</font> <p><a NAME="PlugPlay"></a><b><font size=+1>Plug and Play </font></b><font face="Symbol"><font size=-1>&frac34; </font></font><font size=+1>A Windows specification that uses <a href="#BiDi">BiDi</a> to get information which is sent to applications in the form of Plug-and-Play messages notifying the application of changes in the status or existence of devices.</font> <p><a NAME="PM"></a><font size=+1><b>PM</b> <font face="Symbol">&frac34;</font> The Property Manager , a tree structured data storage system providing a uniform API to a variety of specific configuration file formats. For more information, see Appendix D,&nbsp; "<a href="../AppendixD.html">Hardcopy</a>."</font> <p><a NAME="PMPfile"></a><font size=+1><b>PMP file </b><font face="Symbol">&frac34; </font>An AutoCAD 2000 Plot Model Parameter file, which holds the capability definition for a user-defined model. This is a <i><a href="#PIAfile">PIA</a></i> format file.&nbsp; Also see <i><a href="#DRC">DRC</a></i> file.</font> <p><a NAME="polygonResizing"></a><b><font size=+1>polygon resizing </font></b><font face="Symbol"><font size=-1>&frac34; </font></font><font size=+1>When polygons are drawn by a pen-like device (pen plotter or machine cutting metal), it is necessary to reduce the size of the polygon by &frac12; the width of the pen or cutting tool to make the outside edges of the polygon the right size.</font> <p><a NAME="printMonitor"></a><b><font size=+1>print monitor </font></b><font face="Symbol"><font size=-1>&frac34; </font></font><font size=+1>A module that receives output from the Windows system print spooler and sends it to a device. The system spooler doesn't talk directly to devices, it only talks to print monitors.</font> <p><a NAME="PropertyTree"></a><font size=+1><b>Property Tree </b><font face="Symbol">&frac34;&nbsp;<a NAME="F1PropertyTree"></a></font>diagrams the hierarchy of plotting properties as shown in figure 1.</font> <br>&nbsp; <br>&nbsp; <br> <br> <center> <p><img SRC="Image59.gif" height=300 width=466> <p><i><font face="Arial,Helvetica"><font size=+1>Figure 1. Property Tree</font></font></i></center> <p><br> <br> <br> <br> <br> <br> <br> <br> <p><a NAME="RCM"></a><b><font size=+1>RCM </font></b><font face="Symbol"><font size=-1>&frac34;&nbsp;</font></font><font size=+1> Resolution Color Memory is a category of capability.</font> <p><a NAME="RenderingAtts"></a><b><font size=+1>Rendering Attributes </font></b><font face="Symbol"><font size=-1>&frac34; </font></font><font size=+1>Each viewport in a plot may have a different rendering attribute. One may be simple wireframe, one may be a hidden line view and another might be shaded. A Layout should save and restore these individual viewport attributes.</font> <p><a NAME="regenPipeline"></a><b><font size=+1>regen pipeline </font></b><font face="Symbol"><font size=-1>&frac34; </font></font><font size=+1>A complex and spaghetti-like collection of code which breaks down complex 3D AutoCAD entities into simple 2D vectors and polygons.</font> <p><a NAME="RTL"></a><font size=+1><b>RTL</b> <font face="Symbol">&frac34; </font>Raster Transfer Language, used to print raster to older devices.</font> <p><a NAME="SelectionRenderer"></a><font size=+1><b><a href="../Chapter2/Chap2Intro/Chap2Intro.html#SelectionRenderers">selection renderer</a></b>&nbsp; <font face="Symbol">&frac34;&nbsp;</font> Selection renderers are special Heidi renderers for selecting geometry in 2D or 3D.</font> <p><a NAME="shoebox"></a><font size=+1><b>shoebox</b> <font face="Symbol">&frac34;</font> A repository for application-specific driver data.</font> <p><a NAME="STYfile"></a><b><font size=+1>STY file </font></b><font face="Symbol"><font size=-1>&frac34; </font></font><font size=+1>Holds the definition of a collection of plot styles, called a Style Sheet.</font> <p><a NAME="SZB"></a><font size=+1><b>SZB</b> <font face="Symbol">&frac34;</font> Heidi <a href="../Chapter2/Chap2Intro/Chap2Intro.html#Zbuf">Software Z-Buffer renderer</a>. In most applications, a software Z-buffer renderer removes hidden surfaces using the standard Z-buffer algorithm.</font> <p><a NAME="TiledPlot"></a><b><font size=+1>Tiled Plot </font></b><font face="Symbol"><font size=-1>&frac34; </font></font><font size=+1>Plotting a drawing larger than the largest available paper size by breaking it up into multiple pages which can be pieced together to form a larger page.</font> <p><a NAME="UDM"></a><b><font size=+1>UDM</font></b> <font size=+1><font face="Symbol">&frac34;&nbsp;</font> A User Defined Model.</font> <p><a NAME="USB"></a><b><font size=+1>USB </font></b><font face="Symbol"><font size=-1>&frac34; </font></font><font size=+1>A new, high speed 4 wire serial interface with a maximum bandwidth of 12 Mbits/sec which supports both asynchronous and isosynchronous protocols. USB is used for keyboards, mouses and modems. See also, <a href="#FireWire">FireWire</a> and <a href="#FibreChannel">FibreChannel</a>.</font> <p><a NAME="UnditheredColors"></a><b><font size=+1>Undithered colors </font></b><font face="Symbol"><font size=-1>&frac34; </font></font><font size=+1>Pure colors which do not require patterns of dots to simulate color. For example, undithered vectors are solid, unbroken lines of a single consistent color. Also see "<a href="#Dithering">dithering</a>."</font> <p><a NAME="Validation"></a><font size=+1><b>Validation </b><font face="Symbol">&frac34; </font>Consists of two stages: the first is a syntactical check to see if a configuration file can be read. The second stage involves checking to see if a configuration's data are within the specified device s capabilities, or if a configuration change affects the device s capabilities <font face="Symbol">&frac34;</font> for example, a color depth/dithering method choice that limits the highest available effective resolution.</font> <p><a NAME="Vector Hardcopy"></a><font size=+1><b>Vector Hardcopy device </b> Any output device that requires input in the form of vectors. Examples include <a href="#PenPlot">Pen Plotters</a>, various machines for cutting sheet metal or other materials, machines which cut openings in standard wall panels, and so on.</font> <p><a NAME="What-to-Plot"></a><font size=+1><b>What-to-Plot </b> The collection of data describing Layout which are view descriptions with layer visibility, rendering attributes such as wireframe, hidden line, Phong, and so forth, camera description and a pointer to a named <a href="#How-to-Plot">How-to-Plot</a> configuration.</font> <p><a NAME="word"></a><font size=+1><b>word</b> <font face="Symbol">&frac34;</font> In Intel architecture this is 2 bytes or 16 bits, also called a short.</font> <br>&nbsp;</ul> <p><br> <hr WIDTH="100%"> <br> <hr WIDTH="100%"> </body> </html>