public function getGraphData()
{
$company = Input::get('company');
$interval = Input::get('interval');
$precision = Input::get('prc');
$company_symbol = isset($company) && !empty($company) ? $company : 'goog';
$interval = isset($interval) && !empty($interval) ? $interval : 'd';
$precision = isset($precision) && !empty($precision) && is_numeric($precision) ? $precision : 1;
$stock_market = new StockMarket($company_symbol, $interval, $precision);
//<---class declared here and passed the datas
/* // <--utilizing the function for finding the Company name from Symbol
//<-- to check the given company symbol is correct or not */
$company_name = $stock_market->find_company_name_from_symbol();
if ($company_name) {
//<-- if company name given is not false go further
$stock_records = $stock_market->get_the_market_data();
//<--function to collect Historical data for given company symbol
if ($stock_records) {
//<----if it retuns a record then proceed
$range_from = $stock_market->get_graph_range_start();
//<--this function helps to calculate historical Graph area minmum range
$range_to = $stock_market->get_graph_range_ends();
//<--this function helps to calculate historical Graph area maximum range
$lower_range_coords = $stock_market->get_lower_price_data();
//<--this function helps to return the lower price data for graph
$higher_range_coords = $stock_market->get_higher_price_data();
//<--this function helps to return the higher price data for graph
$graph = new PHPGraphLib(470, 270);
$graph->addData($lower_range_coords);
$graph->addData($higher_range_coords);
$graph->setRange($range_from, $range_to);
$graph->setTitle($company_name . ' Graph');
$graph->setBars(false);
$graph->setLine(true);
$graph->setDataPoints(true);
$graph->setDataPointColor('maroon');
$graph->setDataPointColor('red');
$graph->setDataValues(true);
$graph->setDataValueColor('blue');
$graph->setGoalLine(0.25);
$graph->setGoalLineColor('red');
$graph->createGraph();
//<--this draw the graph
$contents = View::make('graph')->with('graph', $graph);
// Create a response and modify a header value
$response = Response::make($contents, 200);
$response->header('Content-Type', 'image/png');
return $response;
}
//<-- stock data checks ends
}
//<--company name check ends
}
function make_graph_multi_line($title, $data_min, $data_avg, $data_max, $is_bar_graph)
{
include 'phpgraphlib.php';
$graph = new PHPGraphLib(780, 300);
if ($is_bar_graph == 'true') {
$graph->setBars(true);
$graph->setLine(false);
} else {
$graph->setBars(false);
$graph->setLine(true);
}
$graph->setDataPoints(true);
$graph->setDataPointSize(4);
$graph->setDataPointColor('purple');
$graph->setLegend(true);
if (!isset($data_min)) {
$graph->addData($data_avg);
$graph->addData($data_max);
if ($is_bar_graph == 'true') {
$graph->setBarColor('purple', 'red');
} else {
$graph->setLineColor('purple', 'red');
}
$graph->setLegendTitle('avg', 'max');
} else {
$graph->addData($data_min);
$graph->addData($data_avg);
$graph->addData($data_max);
if ($is_bar_graph == 'true') {
$graph->setBarColor('blue', 'purple', 'red');
} else {
$graph->setLineColor('blue', 'purple', 'red');
}
$graph->setLegendTitle('min', 'avg', 'max');
}
$graph->setTitle($title);
$graph->setTitleColor("88,89,91");
$graph->setXValuesVertical(true);
$graph->createGraph();
}
function create_graph($graph_type = '')
{
$graph = new PHPGraphLib(1400, 600);
$model = new TwextraModel();
//$data = array("Alex"=>99, "Mary"=>98, "Joan"=>70, "Ed"=>90);
if ($graph_type == 'daily_stats') {
$data = $model->get_stats_daily();
$graph->setTitle("Daily Unique Traffic");
} else {
if ($graph_type == 'message_history') {
//this graph is currently not plotted!
$screen_name = 'rajen4126';
$message_from = 0;
$next = 20;
$order = 'created';
$asc_desc = 'desc';
$length = 20;
$data = $model->get_message_history($screen_name, $message_from, $next, $order, $asc_desc, $length);
foreach ($data as $entry) {
$data[$entry[message_id]] = $entry[view_count];
}
$graph->setTitle("Message History");
} else {
if ($graph_type == 'monthly_stats') {
$data = $model->get_monthly_uniques();
$graph->setTitle("Monthly Unique Traffic");
} else {
if ($graph_type == 'messages_stats') {
$data = $model->get_messages_stats();
$graph->setTitle("Daily Messages Created");
} else {
$data = array();
}
}
}
}
$graph->addData($data);
$graph->setTextColor("blue");
//additions for a line graph..........
$graph->setBars(false);
$graph->setLine(true);
//$graph->setDataPoints(true);
$graph->setDataPointColor('maroon');
$graph->setDataValues(true);
$graph->setDataValueColor('maroon');
$graph->setGoalLine(0.0025);
$graph->setGoalLineColor('red');
//........
return $graph->createGraph();
}
//mysqli_select_db($link,'gfb11176') or die('Could not select database');
//mysql_select_db("mydatabase") or die("MySQL Error: " . mysql_error());
$dataArray = array();
// Get the values from the COReadings table for the currently logged in user.
$sql = "SELECT COValue, AddedOn FROM COReadings \n\t\tJOIN COUsers ON COUsers.id = COReadings.UserID\n\t\tWHERE COUsers.Email = '{$email}'";
$result = mysqli_query($link, $sql) or die('Query failed: ' . mysql_error());
if ($result) {
while ($row = mysqli_fetch_assoc($result)) {
$dateAdded = $row["AddedOn"];
$count = $row["COValue"];
// Add to data array
$dataArray[$dateAdded] = $count;
}
}
// Configure graph
$graph->addData($dataArray);
$graph->setTitle("Carbon Monoxide Readings");
$graph->setTitleColor('navy');
$graph->setGradient("lime", "green");
$graph->setBars(false);
$graph->setLine(true);
$graph->setDataPoints(true);
$graph->setDataValues(true);
$graph->setDataValueColor('navy');
$graph->setDataPointColor('navy');
$graph->setXValuesHorizontal(true);
//$graph->setBackgroundColor("black");
$graph->setYAxisTextColor('black');
$graph->setXAxisTextColor('black');
$graph->setLineColor('navy');
$graph->createGraph();
// execute query and place results (if any) in array per-subnet
if (($value = $db->dbQuery($val->ValidateSQL($sql, $dbconn), $dbconn)) !== -1) {
$all[$name] = $total;
$data[$name] = count($db->dbArrayResults($value));
}
}
}
// generate our graphs but check for gd lib extensions first
if (function_exists('imagedestroy')) {
$graph = new PHPGraphLib(450, 200);
// push the image and assign attributes
$graph->addData($data, $all);
$graph->setTitle("Total Leases: " . $total_leases);
$graph->setTitleLocation("left");
$graph->setLegendTitle("Available", "In Use");
$graph->setBars(true);
$graph->setLegend(true);
$graph->setDataPoints(true);
$graph->setDataPointColor("red");
$graph->setDataValueColor("gray");
$graph->createGraph();
}
} else {
// page view restricted by access level
$ERROR = $err->GenerateErrorLink("help/help.html", "#undef", $defined['error'], $errors['level']);
}
} else {
// general authentication error
$ERROR = $err->GenerateErrorLink("help/help.html", "#undef", $defined['error'], $errors['auth_n']);
}
} else {
/**
* Function to generate a file containing a graph of power (kW) against
* solar radiation (W/m2) using data from the given tables. A date range
* can be specified to restrict the x-axis.
* @param string $imageFilename Name of file to write graph to
* @param string $powerTable Name of table to get power data from
* @param string $solRadTable Name of table to get solar radiation data from
* @param array $dateRange An optional array of two DateTime objects to limit
* the range of data used
*/
public function createGraphImage($imageFilename, $powerTable, $powerColumn, $solRadTable, &$dateRange = NULL)
{
global $verbose;
if (!$this->graphsEnabled) {
return;
}
// We inner join the tables on the datetime field. This is expected to be called on
// a solar radiation data table and a instananeous power data table so the two can
// be easily compared. They will need different y-axes.
if ($verbose > 0) {
print "Generating power graph in file {$imageFilename}\n";
}
$sql = "SELECT {$powerTable}.datetime, {$powerTable}.{$powerColumn}, sol_rad\n FROM {$solRadTable} INNER JOIN {$powerTable}\n ON {$powerTable}.datetime = {$solRadTable}.datetime";
$whereClause = '';
$whereClausePower = '';
if ($dateRange != NULL) {
$whereClause = " WHERE DATE({$solRadTable}.datetime) > '" . $dateRange[0]->format('Y-m-d') . "' &&\n DATE({$solRadTable}.datetime) < '" . $dateRange[1]->format('Y-m-d') . "'";
$whereClausePower = str_replace($solRadTable, $powerTable, $whereClause);
}
$sql .= $whereClause;
$data = $this->fetchQuery($sql);
$maxSolRad = $this->fetchQuery("SELECT MAX(sol_rad) FROM {$solRadTable}" . $whereClause, PDO::FETCH_NUM);
$maxPower = $this->fetchQuery("SELECT MAX({$powerColumn}) FROM {$powerTable}" . $whereClausePower, PDO::FETCH_NUM);
if ($maxPower[0][0] == 0) {
// If there was never any power, divide by 1 rather than 0 when scaling!
$maxPower[0][0] = 1;
}
$graph = new PHPGraphLib(10000, 1000, $imageFilename);
$graph->setTitle($powerTable . ' against solar radiation (both scaled to % of maximum recorded value)');
$graph->setBars(FALSE);
$graph->setLine(TRUE);
$graph->setLineColor('red', 'yellow');
$graph->setLegend(TRUE);
$graph->setLegendTitle('Power', 'Solar radiation');
// Reassmble the data into the form needed for PHPGraphLib and scale values so they can be plotted on the same
// y-axis (a limitation of PHPGraphLib...if we can go GPLv3, we can use PCharts2 which can do multiple y-axes,
// or there's SVGGraph which is LGPL).
foreach ($data as $entry) {
$powerData[$entry['datetime']] = $entry[$powerColumn] / $maxPower[0][0] * 100;
$solRadData[$entry['datetime']] = $entry['sol_rad'] / $maxSolRad[0][0] * 100;
}
// Free up memory (maybe!)
$data = NULL;
$graph->addData($powerData, $solRadData);
$graph->createGraph();
}
