Class Contour
(Defined in: jpgraph_contour.php : 22)

Contour
adjustDataPointValues() CalculateColors() determineIsobarEdgeCrossings() getCrossingCoord() getIsobars() getMinMaxVal() isobarHCrossing() isobarVCrossing() resetEdgeMatrices() SetInvert() UseHighContrastColor() __construct()

Class usage and Overview

Class Methods

Contour ::
adjustDataPointValues()
// In order to avoid numerical problem when two vertices are very close// we have to check and avoid dividing by close to zero denumerator.

Description:
No description available.

Contour ::
CalculateColors()

Description:
No description available.

Contour ::
determineIsobarEdgeCrossings($aIsobar)
//'isobarVCrossing: Col index too large

Argument | Default | Description
--- | --- | ---
$aIsobar |  | No description available

Description:
No description available.

Contour ::
getCrossingCoord($aRow, $aCol, $aEdgeDir, $aIsobarVal)
// We now have the bottom and rightmost edges unsearched

Argument | Default | Description
--- | --- | ---
$aRow |  | No description available
$aCol |  | No description available
$aEdgeDir |  | No description available
$aIsobarVal |  | No description available

Description:
No description available.

Contour ::
getIsobars()
// Use only blue/red scale

Description:
No description available.

Contour ::
getMinMaxVal()

Description:
No description available.

Contour ::
isobarHCrossing($aRow, $aCol, $aIsobar)

Argument | Default | Description
--- | --- | ---
$aRow |  | No description available
$aCol |  | No description available
$aIsobar |  | No description available

Description:
No description available.

Contour ::
isobarVCrossing($aRow, $aCol, $aIsobar)
//'ContourPlot Internal Error: isobarHCrossing: Row index too large (%d)'

Argument | Default | Description
--- | --- | ---
$aRow |  | No description available
$aCol |  | No description available
$aIsobar |  | No description available

Description:
No description available.

Contour ::
resetEdgeMatrices()

Description:
No description available.

Contour ::
SetInvert($aFlg)
//'Number of colors must equal the number of isobar lines specified';

Argument | Default | Description
--- | --- | ---
$aFlg | true | No description available

Description:
No description available.

Contour ::
UseHighContrastColor($aFlg, $aBW)

Argument | Default | Description
--- | --- | ---
$aFlg | true | No description available
$aBW | false | No description available

Description:
No description available.

Contour ::
__construct($aMatrix, $aIsobars, $aColors)
// File: JPGRAPH_CONTOUR.PHP// Description: Contour plot// Created: 2009-03-08// Ver: $Id: jpgraph_contour.php 1576 2009-07-13 10:35:22Z ljp $//// Copyright (c) Aditus Consulting. All rights reserved.//==================================

Argument | Default | Description
--- | --- | ---
$aMatrix |  | No description available
$aIsobars | 10 | No description available
$aColors | null | No description available

Description:
No description available.