79 lines
2.8 KiB
PHP
79 lines
2.8 KiB
PHP
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<?php
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require_once("../lib/FinanceChart.php");
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# Create a finance chart demo containing 100 days of data
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$noOfDays = 100;
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# To compute moving averages starting from the first day, we need to get extra data
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# points before the first day
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$extraDays = 30;
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# In this exammple, we use a random number generator utility to simulate the data. We
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# set up the random table to create 6 cols x (noOfDays + extraDays) rows, using 9 as
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# the seed.
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$rantable = new RanTable(9, 6, $noOfDays + $extraDays);
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# Set the 1st col to be the timeStamp, starting from Sep 4, 2002, with each row
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# representing one day, and counting week days only (jump over Sat and Sun)
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$rantable->setDateCol(0, chartTime(2002, 9, 4), 86400, true);
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# Set the 2nd, 3rd, 4th and 5th columns to be high, low, open and close data. The
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# open value starts from 100, and the daily change is random from -5 to 5.
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$rantable->setHLOCCols(1, 100, -5, 5);
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# Set the 6th column as the vol data from 5 to 25 million
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$rantable->setCol(5, 50000000, 250000000);
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# Now we read the data from the table into arrays
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$timeStamps = $rantable->getCol(0);
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$highData = $rantable->getCol(1);
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$lowData = $rantable->getCol(2);
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$openData = $rantable->getCol(3);
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$closeData = $rantable->getCol(4);
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$volData = $rantable->getCol(5);
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# Create a FinanceChart object of width 600 pixels
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$c = new FinanceChart(600);
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# Add a title to the chart
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$c->addTitle("Finance Chart Demonstration");
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# Set the data into the finance chart object
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$c->setData($timeStamps, $highData, $lowData, $openData, $closeData, $volData,
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$extraDays);
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# Add the main chart with 210 pixels in height
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$c->addMainChart(210);
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# Add a 5 period simple moving average to the main chart, using brown color
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$c->addSimpleMovingAvg(5, 0x663300);
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# Add a 20 period simple moving average to the main chart, using purple color
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$c->addSimpleMovingAvg(20, 0x9900ff);
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# Add an HLOC symbols to the main chart, using green/red for up/down days
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$c->addHLOC(0x008000, 0xcc0000);
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# Add 20 days bollinger band to the main chart, using light blue (9999ff) as the
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# border and semi-transparent blue (c06666ff) as the fill color
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$c->addBollingerBand(20, 2, 0x9999ff, 0xc06666ff);
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# Add a 70 pixels volume bars sub-chart to the bottom of the main chart, using
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# green/red/grey for up/down/flat days
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$c->addVolBars(70, 0x99ff99, 0xff9999, 0x808080);
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# Append a 14-days RSI indicator chart (70 pixels height) after the main chart. The
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# main RSI line is purple (800080). Set threshold region to +/- 20 (that is, RSI = 50
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# +/- 25). The upper/lower threshold regions will be filled with red (ff0000)/blue
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# (0000ff).
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$c->addRSI(70, 14, 0x800080, 20, 0xff0000, 0x0000ff);
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# Append a 12-days momentum indicator chart (70 pixels height) using blue (0000ff)
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# color.
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$c->addMomentum(70, 12, 0x0000ff);
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# output the chart
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header("Content-type: image/png");
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print($c->makeChart2(PNG));
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?>
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