class pSurface in Visitors 7.2
Same name and namespace in other branches
- 7 pChart/class/pSurface.class.php \pSurface
Hierarchy
- class \pSurface
Expanded class hierarchy of pSurface
File
- pChart/
class/ pSurface.class.php, line 25
View source
class pSurface {
var $pChartObject;
var $GridSizeX;
var $GridSizeY;
var $Points;
/* Class creator */
function pSurface($pChartObject) {
$this->pChartObject = $pChartObject;
$this->GridSize = 10;
$this->Points = "";
}
/* Define the grid size and initialise the 2D matrix */
function setGrid($XSize = 10, $YSize = 10) {
for ($X = 0; $X <= $XSize; $X++) {
for ($Y = 0; $Y <= $YSize; $Y++) {
$this->Points[$X][$Y] = UNKNOWN;
}
}
$this->GridSizeX = $XSize;
$this->GridSizeY = $YSize;
}
/* Add a point on the grid */
function addPoint($X, $Y, $Value, $Force = TRUE) {
if ($X < 0 || $X > $this->GridSizeX) {
return 0;
}
if ($Y < 0 || $Y > $this->GridSizeY) {
return 0;
}
if ($this->Points[$X][$Y] == UNKNOWN || $Force) {
$this->Points[$X][$Y] = $Value;
}
elseif ($this->Points[$X][$Y] == UNKNOWN) {
$this->Points[$X][$Y] = $Value;
}
else {
$this->Points[$X][$Y] = ($this->Points[$X][$Y] + $Value) / 2;
}
}
/* Write the X labels */
function writeXLabels($Format = "") {
$R = isset($Format["R"]) ? $Format["R"] : $this->pChartObject->FontColorR;
$G = isset($Format["G"]) ? $Format["G"] : $this->pChartObject->FontColorG;
$B = isset($Format["B"]) ? $Format["B"] : $this->pChartObject->FontColorB;
$Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : $this->pChartObject->FontColorA;
$Angle = isset($Format["Angle"]) ? $Format["Angle"] : 0;
$Padding = isset($Format["Padding"]) ? $Format["Padding"] : 5;
$Position = isset($Format["Position"]) ? $Format["Position"] : LABEL_POSITION_TOP;
$Labels = isset($Format["Labels"]) ? $Format["Labels"] : NULL;
$CountOffset = isset($Format["CountOffset"]) ? $Format["CountOffset"] : 0;
if ($Labels != NULL && !is_array($Labels)) {
$Label = $Labels;
$Labels = "";
$Labels[] = $Label;
}
$X0 = $this->pChartObject->GraphAreaX1;
$XSize = ($this->pChartObject->GraphAreaX2 - $this->pChartObject->GraphAreaX1) / ($this->GridSizeX + 1);
$Settings = array(
"Angle" => $Angle,
"R" => $R,
"G" => $G,
"B" => $B,
"Alpha" => $Alpha,
);
if ($Position == LABEL_POSITION_TOP) {
$YPos = $this->pChartObject->GraphAreaY1 - $Padding;
if ($Angle == 0) {
$Settings["Align"] = TEXT_ALIGN_BOTTOMMIDDLE;
}
if ($Angle != 0) {
$Settings["Align"] = TEXT_ALIGN_MIDDLELEFT;
}
}
elseif ($Position == LABEL_POSITION_BOTTOM) {
$YPos = $this->pChartObject->GraphAreaY2 + $Padding;
if ($Angle == 0) {
$Settings["Align"] = TEXT_ALIGN_TOPMIDDLE;
}
if ($Angle != 0) {
$Settings["Align"] = TEXT_ALIGN_MIDDLERIGHT;
}
}
else {
return -1;
}
for ($X = 0; $X <= $this->GridSizeX; $X++) {
$XPos = floor($X0 + $X * $XSize + $XSize / 2);
if ($Labels == NULL || !isset($Labels[$X])) {
$Value = $X + $CountOffset;
}
else {
$Value = $Labels[$X];
}
$this->pChartObject
->drawText($XPos, $YPos, $Value, $Settings);
}
}
/* Write the Y labels */
function writeYLabels($Format = "") {
$R = isset($Format["R"]) ? $Format["R"] : $this->pChartObject->FontColorR;
$G = isset($Format["G"]) ? $Format["G"] : $this->pChartObject->FontColorG;
$B = isset($Format["B"]) ? $Format["B"] : $this->pChartObject->FontColorB;
$Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : $this->pChartObject->FontColorA;
$Angle = isset($Format["Angle"]) ? $Format["Angle"] : 0;
$Padding = isset($Format["Padding"]) ? $Format["Padding"] : 5;
$Position = isset($Format["Position"]) ? $Format["Position"] : LABEL_POSITION_LEFT;
$Labels = isset($Format["Labels"]) ? $Format["Labels"] : NULL;
$CountOffset = isset($Format["CountOffset"]) ? $Format["CountOffset"] : 0;
if ($Labels != NULL && !is_array($Labels)) {
$Label = $Labels;
$Labels = "";
$Labels[] = $Label;
}
$Y0 = $this->pChartObject->GraphAreaY1;
$YSize = ($this->pChartObject->GraphAreaY2 - $this->pChartObject->GraphAreaY1) / ($this->GridSizeY + 1);
$Settings = array(
"Angle" => $Angle,
"R" => $R,
"G" => $G,
"B" => $B,
"Alpha" => $Alpha,
);
if ($Position == LABEL_POSITION_LEFT) {
$XPos = $this->pChartObject->GraphAreaX1 - $Padding;
$Settings["Align"] = TEXT_ALIGN_MIDDLERIGHT;
}
elseif ($Position == LABEL_POSITION_RIGHT) {
$XPos = $this->pChartObject->GraphAreaX2 + $Padding;
$Settings["Align"] = TEXT_ALIGN_MIDDLELEFT;
}
else {
return -1;
}
for ($Y = 0; $Y <= $this->GridSizeY; $Y++) {
$YPos = floor($Y0 + $Y * $YSize + $YSize / 2);
if ($Labels == NULL || !isset($Labels[$Y])) {
$Value = $Y + $CountOffset;
}
else {
$Value = $Labels[$Y];
}
$this->pChartObject
->drawText($XPos, $YPos, $Value, $Settings);
}
}
/* Draw the area arround the specified Threshold */
function drawContour($Threshold, $Format = "") {
$R = isset($Format["R"]) ? $Format["R"] : 0;
$G = isset($Format["G"]) ? $Format["G"] : 0;
$B = isset($Format["B"]) ? $Format["B"] : 0;
$Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 100;
$Ticks = isset($Format["Ticks"]) ? $Format["Ticks"] : 3;
$Padding = isset($Format["Padding"]) ? $Format["Padding"] : 0;
$X0 = $this->pChartObject->GraphAreaX1;
$Y0 = $this->pChartObject->GraphAreaY1;
$XSize = ($this->pChartObject->GraphAreaX2 - $this->pChartObject->GraphAreaX1) / ($this->GridSizeX + 1);
$YSize = ($this->pChartObject->GraphAreaY2 - $this->pChartObject->GraphAreaY1) / ($this->GridSizeY + 1);
$Color = array(
"R" => $R,
"G" => $G,
"B" => $B,
"Alpha" => $Alpha,
"Ticks" => $Ticks,
);
for ($X = 0; $X <= $this->GridSizeX; $X++) {
for ($Y = 0; $Y <= $this->GridSizeY; $Y++) {
$Value = $this->Points[$X][$Y];
if ($Value != UNKNOWN && $Value != IGNORED && $Value >= $Threshold) {
$X1 = floor($X0 + $X * $XSize) + $Padding;
$Y1 = floor($Y0 + $Y * $YSize) + $Padding;
$X2 = floor($X0 + $X * $XSize + $XSize);
$Y2 = floor($Y0 + $Y * $YSize + $YSize);
if ($X > 0 && $this->Points[$X - 1][$Y] != UNKNOWN && $this->Points[$X - 1][$Y] != IGNORED && $this->Points[$X - 1][$Y] < $Threshold) {
$this->pChartObject
->drawLine($X1, $Y1, $X1, $Y2, $Color);
}
if ($Y > 0 && $this->Points[$X][$Y - 1] != UNKNOWN && $this->Points[$X][$Y - 1] != IGNORED && $this->Points[$X][$Y - 1] < $Threshold) {
$this->pChartObject
->drawLine($X1, $Y1, $X2, $Y1, $Color);
}
if ($X < $this->GridSizeX && $this->Points[$X + 1][$Y] != UNKNOWN && $this->Points[$X + 1][$Y] != IGNORED && $this->Points[$X + 1][$Y] < $Threshold) {
$this->pChartObject
->drawLine($X2, $Y1, $X2, $Y2, $Color);
}
if ($Y < $this->GridSizeY && $this->Points[$X][$Y + 1] != UNKNOWN && $this->Points[$X][$Y + 1] != IGNORED && $this->Points[$X][$Y + 1] < $Threshold) {
$this->pChartObject
->drawLine($X1, $Y2, $X2, $Y2, $Color);
}
}
}
}
}
/* Draw the surface chart */
function drawSurface($Format = "") {
$Palette = isset($Format["Palette"]) ? $Format["Palette"] : NULL;
$ShadeR1 = isset($Format["ShadeR1"]) ? $Format["ShadeR1"] : 77;
$ShadeG1 = isset($Format["ShadeG1"]) ? $Format["ShadeG1"] : 205;
$ShadeB1 = isset($Format["ShadeB1"]) ? $Format["ShadeB1"] : 21;
$ShadeA1 = isset($Format["ShadeA1"]) ? $Format["ShadeA1"] : 40;
$ShadeR2 = isset($Format["ShadeR2"]) ? $Format["ShadeR2"] : 227;
$ShadeG2 = isset($Format["ShadeG2"]) ? $Format["ShadeG2"] : 135;
$ShadeB2 = isset($Format["ShadeB2"]) ? $Format["ShadeB2"] : 61;
$ShadeA2 = isset($Format["ShadeA2"]) ? $Format["ShadeA2"] : 100;
$Border = isset($Format["Border"]) ? $Format["Border"] : FALSE;
$BorderR = isset($Format["BorderR"]) ? $Format["BorderR"] : 0;
$BorderG = isset($Format["BorderG"]) ? $Format["BorderG"] : 0;
$BorderB = isset($Format["BorderB"]) ? $Format["BorderB"] : 0;
$Surrounding = isset($Format["Surrounding"]) ? $Format["Surrounding"] : -1;
$Padding = isset($Format["Padding"]) ? $Format["Padding"] : 1;
$X0 = $this->pChartObject->GraphAreaX1;
$Y0 = $this->pChartObject->GraphAreaY1;
$XSize = ($this->pChartObject->GraphAreaX2 - $this->pChartObject->GraphAreaX1) / ($this->GridSizeX + 1);
$YSize = ($this->pChartObject->GraphAreaY2 - $this->pChartObject->GraphAreaY1) / ($this->GridSizeY + 1);
for ($X = 0; $X <= $this->GridSizeX; $X++) {
for ($Y = 0; $Y <= $this->GridSizeY; $Y++) {
$Value = $this->Points[$X][$Y];
if ($Value != UNKNOWN && $Value != IGNORED) {
$X1 = floor($X0 + $X * $XSize) + $Padding;
$Y1 = floor($Y0 + $Y * $YSize) + $Padding;
$X2 = floor($X0 + $X * $XSize + $XSize);
$Y2 = floor($Y0 + $Y * $YSize + $YSize);
if ($Palette != NULL) {
if (isset($Palette[$Value]) && isset($Palette[$Value]["R"])) {
$R = $Palette[$Value]["R"];
}
else {
$R = 0;
}
if (isset($Palette[$Value]) && isset($Palette[$Value]["G"])) {
$G = $Palette[$Value]["G"];
}
else {
$G = 0;
}
if (isset($Palette[$Value]) && isset($Palette[$Value]["B"])) {
$B = $Palette[$Value]["B"];
}
else {
$B = 0;
}
if (isset($Palette[$Value]) && isset($Palette[$Value]["Alpha"])) {
$Alpha = $Palette[$Value]["Alpha"];
}
else {
$Alpha = 1000;
}
}
else {
$R = ($ShadeR2 - $ShadeR1) / 100 * $Value + $ShadeR1;
$G = ($ShadeG2 - $ShadeG1) / 100 * $Value + $ShadeG1;
$B = ($ShadeB2 - $ShadeB1) / 100 * $Value + $ShadeB1;
$Alpha = ($ShadeA2 - $ShadeA1) / 100 * $Value + $ShadeA1;
}
$Settings = array(
"R" => $R,
"G" => $G,
"B" => $B,
"Alpha" => $Alpha,
);
if ($Border) {
$Settings["BorderR"] = $BorderR;
$Settings["BorderG"] = $BorderG;
$Settings["BorderB"] = $BorderB;
}
if ($Surrounding != -1) {
$Settings["BorderR"] = $R + $Surrounding;
$Settings["BorderG"] = $G + $Surrounding;
$Settings["BorderB"] = $B + $Surrounding;
}
$this->pChartObject
->drawFilledRectangle($X1, $Y1, $X2 - 1, $Y2 - 1, $Settings);
}
}
}
}
/* Compute the missing points */
function computeMissing() {
$Missing = "";
for ($X = 0; $X <= $this->GridSizeX; $X++) {
for ($Y = 0; $Y <= $this->GridSizeY; $Y++) {
if ($this->Points[$X][$Y] == UNKNOWN) {
$Missing[] = $X . "," . $Y;
}
}
}
shuffle($Missing);
foreach ($Missing as $Key => $Pos) {
$Pos = preg_split("/,/", $Pos);
$X = $Pos[0];
$Y = $Pos[1];
if ($this->Points[$X][$Y] == UNKNOWN) {
$NearestNeighbor = $this
->getNearestNeighbor($X, $Y);
$Value = 0;
$Points = 0;
for ($Xi = $X - $NearestNeighbor; $Xi <= $X + $NearestNeighbor; $Xi++) {
for ($Yi = $Y - $NearestNeighbor; $Yi <= $Y + $NearestNeighbor; $Yi++) {
if ($Xi >= 0 && $Yi >= 0 && $Xi <= $this->GridSizeX && $Yi <= $this->GridSizeY && $this->Points[$Xi][$Yi] != UNKNOWN && $this->Points[$Xi][$Yi] != IGNORED) {
$Value = $Value + $this->Points[$Xi][$Yi];
$Points++;
}
}
}
if ($Points != 0) {
$this->Points[$X][$Y] = $Value / $Points;
}
}
}
}
/* Return the nearest Neighbor distance of a point */
function getNearestNeighbor($Xp, $Yp) {
$Nearest = UNKNOWN;
for ($X = 0; $X <= $this->GridSizeX; $X++) {
for ($Y = 0; $Y <= $this->GridSizeY; $Y++) {
if ($this->Points[$X][$Y] != UNKNOWN && $this->Points[$X][$Y] != IGNORED) {
$DistanceX = max($Xp, $X) - min($Xp, $X);
$DistanceY = max($Yp, $Y) - min($Yp, $Y);
$Distance = max($DistanceX, $DistanceY);
if ($Distance < $Nearest || $Nearest == UNKNOWN) {
$Nearest = $Distance;
}
}
}
}
return $Nearest;
}
}Members
Name |
Modifiers | Type | Description | Overrides |
|---|---|---|---|---|
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pSurface:: |
property | |||
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pSurface:: |
property | |||
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pSurface:: |
property | |||
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pSurface:: |
property | |||
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pSurface:: |
function | |||
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pSurface:: |
function | |||
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pSurface:: |
function | |||
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pSurface:: |
function | |||
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pSurface:: |
function | |||
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pSurface:: |
function | |||
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pSurface:: |
function | |||
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pSurface:: |
function | |||
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pSurface:: |
function |