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# Osobine glatke linije

U grafu koji prikazuje linije (Line ili XY tip), možete izabrati da prikažete krive umjesto glatkih linija. Neke opcije upravljaju osobine tih krivih.

To access this command...

In the Chart Type dialog of a Line chart or XY chart that displays lines, choose Stepped in the Lines type drop-down, then click the Properties button.

## Line properties

### Line type

Izaberite Cubic Spline ili B-Spline.

These are mathematical models that influence the display of the curves. The curves are created by joining together segments of polynomials.

Cubic Spline interpolates your data points with polynomials of degree 3. The transitions between the polynomial pieces are smooth, having the same slope and curvature.

B-Spline uses a parametric, interpolating B-spline curve. Those curves are built piecewise from polynomials.

### Resolution

The Resolution determines how many line segments are calculated to draw a piece of polynomial between two data points. You can see the intermediate points if you click any data point.

A higher value leads to a smoother line.

### Degree of polynomials

For B-spline lines optionally set the degree of the polynomials.

Related Topics

Biranje vrste grafa

Vrsta grafa XY (rasipanje)

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