ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Help / WLanguage / WLanguage functions / Controls, pages and windows / Chart functions
WINDEV
WindowsLinuxUniversal Windows 10 AppJavaReports and QueriesUser code (UMC)
WEBDEV
WindowsLinuxPHPWEBDEV - Browser code
WINDEV Mobile
AndroidAndroid Widget iPhone/iPadIOS WidgetApple WatchMac CatalystUniversal Windows 10 App
Others
Stored procedures
Smoothes a Line chart or a Scatter chart by using the "cubic splines" algorithm.
Reminder: A chart is not smoothed by default.
Linux Caution: A specific configuration is required to use this function in Linux. For more details, see The charts.
Example
// Lisse le graphe GRF_MonGraphe
grSmoothing(GRF_MonGraphe, True)
Syntax

Smoothing a graph Hide the details

grSmoothing(<Chart name> , <Smoothing>)
<Chart name>: Control name or character string
Name of the chart to be used. This name corresponds to:
  • the chart name defined through programming with grCreate.
  • the name of Chart control found in the window editor, page editor or report editor.
<Smoothing>: Boolean
  • True if the smoothing must be enabled,
  • False otherwise.

Smoothing a chart series Hide the details

grSmoothing(<Chart name> , <Series number> , <Smoothing>)
<Chart name>: Control name or character string
Name of the chart to be used. This name corresponds to:
  • the chart name defined through programming with grCreate.
  • the name of Chart control found in the window editor, page editor or report editor.
<Series number>: entier
Number of the series to smooth.
<Smoothing>: Boolean
  • True if the smoothing must be enabled,
  • False otherwise.
Remarks
The smoothing is taken into account:
  • in line charts (grLine constant),
  • in point cloud graphs (constant grScatter) whose points are connected (function grScatterLinkPoint).
Caution: This function has no effect on a 3D chart.
The parameters defined by grSmoothing will be taken into account during the next call to grDraw.
Related Examples:
WD Chart Training (WINDEV): WD Chart
[ + ] This example presents the different uses of the Chart control.
Different types of charts are presented:
- Pie
- Sunburst
- Line
- Scatter
- Column
- Area
- etc.

The main features presented here are the possibility to customize of charts from the code, as well as to fill the chart from an HFSQL data file, or in the editor.
The Chart functions Unit examples (WEBDEV): The Chart functions
[ + ] This example presents the main features of the chart designer of WEBDEV and it allows you to:
- Create a chart: Pie, Column or Line
- Define the display area of a chart
- Define the options of the chart (legend, percentage, ...)
Component: wd270grf.dll
Minimum version required
  • Version 9
This page is also available for…
Comments
Click [Add] to post a comment

Last update: 06/22/2023

Send a report | Local help