CLASS Grid
(Defined in: jpgraph.php : 3733)
 Grid 
 SetColor() 
 SetFill() 
 SetLineStyle() 
 SetWeight() 
 Show() 
 

Class usage and Overview
This class is used to hold all properties of the gridline for a specific axis. The grid setting is accessed through the xgrid and ygrid properties of graph. By default JpGraph has grid lines for Y-lines turned on and gridlines for X-axis turned off.

 

Class Methods

 

 

function SetColor($aMajColor,$aMinColor)
Set color of grid lines

ArgumentDefaultDescription
$aMajColor  Major color
$aMinColor false Minor color

Description
Set color of grid lines 

Example

$graph->xgrid->SetColor('lightblue');

 

 

function SetFill($aFlg,$aColor1,$aColor2)
Specify fill style for grid

ArgumentDefaultDescription
$aFlg true Flag, True=enable fill
$aColor1 'lightgray' Fill color 1
$aColor2 'lightblue' Fill color 2

Description
The area between the gridline can be filled with two alternating colors. This method specifies this style. See 'filledgridex1.php' for an example of this. By using this feature with alpha-blending you can achieve very nice layouts.  

Example

// Use 50% blending
$graph->ygrid->SetFill(true,'#EFEFEF@0.5','#BBCCFF@0.5');
$graph->ygrid->Show();
$graph->xgrid->Show();

 

 

function SetLineStyle($aType)
Specify if grid line should be dashed, dotted or solid

ArgumentDefaultDescription
$aType  String to specify line type

Description
Specify if grid should be dashed, dotted or solid. The type is specified with a string which can be either "solid", "dashed" or "dotted".  
 
See also
Image::SetLineStyle

Example

$graph->ygrid->SetLineStyle('dashed');

 

 

function SetWeight($aWeight)
Set line weight for grid line

ArgumentDefaultDescription
$aWeight  Line width in pixels

Description
Set line weight for grid line 

Example

$graph->xgrid->SetWeight(2);

 

 

function Show($aShowMajor,$aShowMinor)
Specify if both major and minor grid should be displayed

ArgumentDefaultDescription
$aShowMajor true True=Show major grid lines
$aShowMinor false True=Show minor grid lines

Description
Specify if both major and minor grid should be displayed 

Example

$graph->ygrid->Show();