Add dimensions in 2D

Three dimension styles cover every drawing: chain for runs, ordinate for reference points, radial for arcs and curves. Pick the tool, click two points, done.

2 min read · Level: beginner

Quick answer

• Toolbar → Dimension → pick Chain, Ordinate, or Radial.
• Click the two reference points. Diaz draws the dimension line.
• Type a value to override the measured number if needed.

Step-by-step

1. Open the 2D view of your project. Make sure you are zoomed in enough to click endpoint snaps cleanly — dimensions on a misclicked point are the most common rework.
2. Pick the dimension tool: Toolbar → Dimension. Three sub-tools appear. Chain for a continuous run along walls. Ordinate for X/Y offsets from a single reference point. Radial for arc radii or diameters.
3. Click the first reference point — Diaz snaps to endpoints, midpoints, and intersections (set in View → Snap). Click the second point. The dimension line draws perpendicular to the segment, with the value above.
4. Set units in Settings → Drawing → Units. Default is millimetres (NL/EU standard). Switch to inches only if the whole project uses imperial — mixing units within one drawing is the second-most-common rework.
5. Override a measured value: double-click the number, type the value you want shown (e.g. for a rounded as-built dimension). Diaz keeps the geometry untouched — the override is annotation only.
6. Align dimensions to the right layer: dimensions belong on the layer of the trade that reads them — building dimensions on A, sanitary pipe lengths on S. Right-click → Move to layer if you placed one wrong.

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