Topics in this section

• RASTERDPI

  Controls paper size and plot scaling when changing from dimensional to dimensionless output devices, or vice versa.

• RASTERPERCENT

  Sets the maximum percentage of available virtual memory that is allowed for plotting a raster image.

• RASTERPREVIEW

  Controls whether BMP preview images are saved with the drawing.

• RASTERTHRESHOLD

  Specifies a raster threshold in megabytes.

• REBUILD2DCV

  Sets the number of control vertices when rebuilding a spline.

• REBUILD2DDEGREE

  Sets the global degree when rebuilding a spline.

• REBUILD2DOPTION

  Controls whether to delete the original curve when rebuilding a spline.

• REBUILDDEGREEU

  Sets the degree in the U direction when rebuilding a NURBS surface.

• REBUILDDEGREEV

  Sets the degree in the V direction when rebuilding a NURBS surface.

• REBUILDOPTIONS

  Controls deletion and trimming options when rebuilding a NURBS surface.

• REBUILDU

  Sets the number of grid lines in the U direction when rebuilding a NURBS surface.

• REBUILDV

  Sets the number of grid lines in the V direction when rebuilding a NURBS surface.

• RECOVERAUTO

  Controls the display of recovery notifications before or after opening a damaged drawing file.

• RECOVERYMODE

  Controls whether drawing recovery information is recorded after a system failure.

• REFEDITNAME

  Displays the name of the reference being edited.

• REGENMODE

  Controls automatic regeneration of the drawing.

• RE-INIT

  Reinitializes the digitizer, digitizer port, and acad.pgp file.

• REMEMBERFOLDERS

  Controls the default path displayed in standard file selection dialog boxes.

• RENDERPREFSSTATE

  Indicates whether the Render Settings palette is open or closed.

• RENDERUSERLIGHTS

  Controls whether to override the setting for viewport lighting during rendering.

• REPORTERROR

  Controls whether an error report can be sent to Autodesk if the program closes unexpectedly.

• RIBBONCONTEXTSELECT

  Controls how ribbon contextual tabs are displayed when you single- or double-click an object.

• RIBBONCONTEXTSELLIM

  Limits the number of objects that can be changed at one time with the ribbon property controls or a contextual tab.

• RIBBONDOCKEDHEIGHT

  Determines whether the horizontally docked ribbon is set to the height of the current tab or a predetermined height.

• RIBBONSELECTMODE

  Determines whether a pickfirst selection set remains selected after a ribbon contextual tab is invoked and the command is completed.

• RIBBONSTATE

  Indicates whether the ribbon palette is open or closed.

• ROAMABLEROOTPREFIX

  Stores the full path to the root folder where roamable customizable files were installed.

• ROLLOVEROPACITY

  Controls the transparency of a palette while the cursor moves over the palette.

• ROLLOVERTIPS

  Controls the display of rollover tooltips in the application.

• RTDISPLAY

  Controls the display of raster images and OLE objects during Realtime ZOOM or PAN.