Align Text to Curve
|View HTML Version||AlignTextToCurveV1-2.html|
|This program is also available at the Autodesk Exchange App Store|
This program enables the user to dynamically align a new or existing Text or MText object to a selected curve, with intuitive placement controls available at the command-line.
Upon issuing the command syntax ATC at the AutoCAD command-line, the user is prompted to select a Text or MText object to align. At this prompt, the user also has the option to create a new Text or MText object, or configure the program settings.
If the New option is chosen, the user is further prompted to enter the content for the new text object, or may press Enter to return to the previous prompt.
If the Settings option is chosen, the user is presented with a dialog interface through which several program parameters may be configured - these settings are detailed in the section below entitled: Program Settings.
The user is then prompted to select a curve to which the text will be dynamically aligned. The program is compatible for use with Lines, LWPolylines, 2D (Heavy) Polylines, 3D Polylines, Arcs, Circles, Ellipses, Elliptical Arcs & Splines; furthermore, these objects may be primary or nested (to any depth) within a block or xref.
Finally, the program will perform successfully under all UCS & View settings and with Annotative Text Styles.
Dynamic Text Alignment
Following valid selection of a curve, the new or existing Text or MText object is dynamically aligned to the curve based on the position of the AutoCAD cursor.
During text alignment, several controls are available at the command-line to refine the text position & other properties, such as rotation; these controls are individually detailed below:
|Text Alignment Controls|
|Enter||(or Esc/Space/Right-Click) Exit program (Cancel)|
|+ / -||Incrementally increase/decrease text offset|
|O / o||Specify exact text offset|
|< / >||Rotate text by 45°|
|R / r||Specify exact text rotation (relative to curve)|
|Y / y||Toggle text readability|
|B / b||Toggle MText background mask|
Upon selecting the Settings option when prompted, the user is presented with the following dialog interface:
Each of the above options are described individually below:
Object type for new text
This setting determines whether the program will create a single-line text (DText) object or multiline text (MText) object when the user opts to create new text.
Justification for new text
This setting controls the justification of any new text object created by the program.
Text Offset Factor
This is the default offset factor controlling the minimum distance of the text from the selected curve, as a multiple of the text height. This factor may also be zero if the text is to be positioned directly over the selected curve.
This setting controls the default rotation of the text relative to the selected curve.
This toggle determines whether the text should be rotated to preserve readability, i.e. if enabled, the text will never appear upside-down.
This toggle controls whether a background mask is used when aligning MText objects.
Multiple Text Mode
If this setting is enabled, the program will continuously generate text objects to align with the selected curve until the user exits the program.
Instructions for Running
Please refer to How to Run an AutoLISP Program.