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# Vlastnosti hladkej čiary

Pri grafoch, ktoré zobrazujú čiary (čiarový alebo XY), si môžete namiesto zobrazovanie rovných čiar vybrať krivky. Vlastnosti týchto kriviek je možné upraviť.

Pre prístup k tomuto príkazu...

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

Select Cubic Spline or 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

Výber typu grafu

Typ grafu XY (Bodový)

Čiarový typ grafu

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