How to draw a line at a specific angle in BricsCAD?

ByCADbrief Staff

Short Answer

Yes — in BricsCAD, the fastest professional way to draw a line at a specific angle is with the LINE command using direct distance entry with relative polar input, such as @100<30. This creates a line 100 units long at 30 degrees from the last point. Limitation: the angle follows the current drawing angle convention.

What You Need to Know Before

Warning: If Dynamic Input, polar tracking, or your angle direction settings are not what you expect, the line may go in the wrong direction even when the value is correct. This commonly happens when users assume angles are measured from vertical instead of the default horizontal axis.

How-to

  • Command: LINE

  • Shortcut: L

  • Quick Steps:

    1. On the Ribbon, go to Home > Draw > Line, or type L and press Enter.
    2. Pick the start point in the drawing area.
    3. Type a relative polar value in this format: @length<angle — for example, @250<45 — then press Enter.

  • Use Dynamic Input if enabled so the entry appears near the cursor.

  • For better visual control, turn Polar Tracking on from the status bar.

Variables & Settings

  • System Variable: ANGDIR (Default: 0)

  • Expert Setting: ANGDIR controls angle direction. 0 measures counterclockwise, while 1 measures clockwise. If your entered angle seems reversed, check this before assuming the command failed.

Why it Fails

  • Cause 1 (Geometry): The angle is measured from the current zero-angle direction, so users often enter the correct number based on the wrong reference axis.
  • Cause 2 (layers/Locks): The current layer may be locked, preventing the line from being created even though the command input is valid.
  • Cause 3 (Command/Logic): Users type 100<30 instead of @100<30, which can be interpreted incorrectly because the relative input symbol is missing.

Quick Fix & Best Practice

  • Quick Fix: Start LINE, pick the first point, then enter @distance<angle exactly, and verify ANGDIR plus Polar Tracking on the status bar if direction looks wrong.
  • Manager’s Verdict: Use relative polar input for fast, precise angled lines in production drafting. Avoid manual cursor aiming when accuracy matters.

FAQ

How do I draw a line at 90 degrees in BricsCAD?

Use LINE and enter @length<90 after selecting the start point.

Can I use Polar Tracking instead of typing the angle?

Yes, turn on Polar Tracking and lock to the needed angle, then enter the length.

Why is my line angle going the wrong way?

Check the ANGDIR setting and confirm how the drawing measures angles.

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