function pDraw::scaleComputeY in Visitors 7.2

Same name and namespace in other branches

1. 7 pChart/class/pDraw.class.php \pDraw::scaleComputeY()

17 calls to pDraw::scaleComputeY()

pDraw::drawAreaChart in pChart/class/pDraw.class.php

pDraw::drawBarChart in pChart/class/pDraw.class.php

pDraw::drawBestFit in pChart/class/pDraw.class.php

pDraw::drawDerivative in pChart/class/pDraw.class.php

pDraw::drawFilledSplineChart in pChart/class/pDraw.class.php

... See full list

File

pChart/class/pDraw.class.php, line 3087

Class

pDraw

Code

function scaleComputeY($Values, $Option = "", $ReturnOnly0Height = FALSE) {
  $AxisID = isset($Option["AxisID"]) ? $Option["AxisID"] : 0;
  $SerieName = isset($Option["SerieName"]) ? $Option["SerieName"] : NULL;
  $Data = $this->DataSet
    ->getData();
  if (!isset($Data["Axis"][$AxisID])) {
    return -1;
  }
  if ($SerieName != NULL) {
    $AxisID = $Data["Series"][$SerieName]["Axis"];
  }
  if (!is_array($Values)) {
    $tmp = $Values;
    $Values = "";
    $Values[0] = $tmp;
  }
  $Result = "";
  if ($Data["Orientation"] == SCALE_POS_LEFTRIGHT) {
    $Height = $this->GraphAreaY2 - $this->GraphAreaY1 - $Data["Axis"][$AxisID]["Margin"] * 2;
    $ScaleHeight = $Data["Axis"][$AxisID]["ScaleMax"] - $Data["Axis"][$AxisID]["ScaleMin"];
    $Step = $Height / $ScaleHeight;
    if ($ReturnOnly0Height) {
      foreach ($Values as $Key => $Value) {
        if ($Value == VOID) {
          $Result[] = VOID;
        }
        else {
          $Result[] = $Step * $Value;
        }
      }
    }
    else {
      foreach ($Values as $Key => $Value) {
        if ($Value == VOID) {
          $Result[] = VOID;
        }
        else {
          $Result[] = $this->GraphAreaY2 - $Data["Axis"][$AxisID]["Margin"] - $Step * ($Value - $Data["Axis"][$AxisID]["ScaleMin"]);
        }
      }
    }
  }
  else {
    $Width = $this->GraphAreaX2 - $this->GraphAreaX1 - $Data["Axis"][$AxisID]["Margin"] * 2;
    $ScaleWidth = $Data["Axis"][$AxisID]["ScaleMax"] - $Data["Axis"][$AxisID]["ScaleMin"];
    $Step = $Width / $ScaleWidth;
    if ($ReturnOnly0Height) {
      foreach ($Values as $Key => $Value) {
        if ($Value == VOID) {
          $Result[] = VOID;
        }
        else {
          $Result[] = $Step * $Value;
        }
      }
    }
    else {
      foreach ($Values as $Key => $Value) {
        if ($Value == VOID) {
          $Result[] = VOID;
        }
        else {
          $Result[] = $this->GraphAreaX1 + $Data["Axis"][$AxisID]["Margin"] + $Step * ($Value - $Data["Axis"][$AxisID]["ScaleMin"]);
        }
      }
    }
  }
  if (count($Result) == 1) {
    return $Result[0];
  }
  else {
    return $Result;
  }
}