+++ /dev/null
-<?php
-require ('gChart.php');
-
-function ocurrencesPerCountry() {
- $url = "http://www.gbif.org/DataProviders/totalslist?sortby=records";
- $ch = curl_init();
- curl_setopt($ch, CURLOPT_URL, $url);
- curl_setopt($ch, CURLOPT_HEADER, 0);
-
- ob_start();
- curl_exec ($ch);
- curl_close ($ch);
- $data = ob_get_contents();
- ob_end_clean();
-
- //clean the HTML
- $data = str_replace(" ","",$data);
-
- $dom = new DOMDocument();
- @$dom->loadHTML($data);
- $xpath = new DOMXPath($dom);
- $trs = $xpath->evaluate("/html/body/div/table/tr[6]/td/table/tr/td[2]/table[3]/tr");
-
- $dataProviders = array();
- $names = array();
- $occurrences = array();
- $providers = array();
-
- for ($i = 1; $i < $trs->length; $i++) {
- $r = array();
- $r["name"] = $names[] = $trs->item($i)->getElementsByTagName('td')->item(1)->nodeValue;
- $r["occurrences"] = $occurrences[] = ((int)str_replace(",","",$trs->item($i)->getElementsByTagName('td')->item(2)->nodeValue)/1000000);
- $r["providers"] = $providers = $trs->item($i)->getElementsByTagName('td')->item(3)->nodeValue;
- $dataProviders[]=$r;
- }
-
- //get the rest of countries
- $rest_occ= array_slice($occurrences,6,$occurrences->length);
- $rest_total= array_sum($rest_occ);
-
-
- $egChart = new gChart;
- $egChart->type = 6;
- $egChart->height = 115;
- $r1 = array_slice($occurrences,0,5);
- array_push($r1,$rest_total);
- $r2 = array_slice($names,0,5);
- array_push($r2,"other");
-
- $egChart->values = $r1;
- $egChart->valueLabels = $r2;
-
- return $egChart->getUrl();
-}
-
-
-function countryOcurrencesMapByTaxon($name) {
- $url = "http://portaldev2.gbif.org/countries/speciesSearch?query=".urlencode($name)."&view=json&returnType=counts&geoRefOnly=true";
- $ch = curl_init();
- curl_setopt($ch, CURLOPT_URL, $url);
- curl_setopt($ch, CURLOPT_HEADER, 0);
- ob_start();
- curl_exec ($ch);
- curl_close ($ch);
- $data = ob_get_contents();
- ob_end_clean();
- $json = json_decode($data,true);
- if(!$json) {
- echo("<h2>There is a problem with the json_decode function in PHP</h2>");
- echo("<h2>$url</h2>");
- echo("<p>$data</p>");
- die();
- }
-
- //basic URL
- $churl = "http://chart.apis.google.com/chart?cht=t&chs=300x163&chco=ffffff,edf0d4,13390a&chtm=world&chf=bg,s,EAF7FE";
-
- $country_list="";
- $country_data="";
- foreach($json['Resultset']['Result'] as $country) {
- $country_list.=$country['id'];
- $country_data.=$country['count'].",";
- }
-
- //remove last comma
- $country_data = substr($country_data,0,strlen($country_data)-1);
-
-
- //echo(google_chart_encode($country_data,"s"));
- //die();
-
- $churl .= "&chld=".$country_list;
-
- $churl .= google_chart_encode($country_data,"s");
-
- return $churl;
-}
-
-
-
-// convert data to Google Chart API's simple, text or extended encoding
-// accepts $datastring in the format "1,2,3|4,5,6|7,8,9,10,11" (use "_" for a null data point)
-// accepts $method in the format "s" "t" or "e"
-// (optional) accepts $axestolabel string in the format "x,y" "x,y,r,t" etc.
-// (optional) accepts $min number to set the minimum value on the y-axis
-// (optional) accepts $max number to set the maximum value on the y-axis
-function google_chart_encode($datastring, $method, $axestolabel="", $min="", $max="") {
-
- // Google encoding strings
- $simple_encoding = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
- $extended_encoding = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-.';
-
- // Google encoding values
- if ($method == "s") {
- // simple encoding
- $data_header .= "&chd=s:";
- $data_delimiter = "";
- $data_setdelimiter = ",";
- $data_missing = "_";
- } else if ($method == "t") {
- // text encoding
- $data_header = "&chd=t:";
- $data_delimiter = ",";
- $data_setdelimiter = "|";
- $data_missing = "_"; // (really is -1, but this looks like real data. will swap it out later)
- } else {
- // extended encoding
- $data_header = "&chd=e:";
- $data_delimiter = "";
- $data_setdelimiter = ",";
- $data_missing = "__";
- }
-
- // padding settings (leave some room on the yaxis, if no min or max is set)
- if (is_numeric($min) || is_numeric($max)) {
- $valuepadding = 0; // no padding
- } else {
- $valuepadding = 0.05; // pad by 5%, if needed
- }
-
- // strip everything but numbers and a few special characters
- $datastring = preg_replace("/[^\d\-\.,|_]/", "", $datastring);
-
- // remove any extra commas
- $datastring = preg_replace("/,+/", ",", $datastring);
- $datastring = trim($datastring, ",");
-
- // split $datastring into an array of separate strings
- $dataarray = explode("|", $datastring);
-
- // process each string in the array, and find the max length
- for ($i = 0; $i < sizeof($dataarray); $i++) {
-
- // split string into an array
- $dataarray[$i] = explode(",", $dataarray[$i]);
-
- // find length of each data set
- $localmaxlength[$i] = sizeof($dataarray[$i]);
-
- }
-
- if (!is_numeric($min) || !is_numeric($max)) {
- // no max and min values specified
-
- // split $datastring into an array of numbers for counting purposes
- $countstring = str_replace("_", "", $datastring);
- $countstring = preg_replace("/,+/", ",", $countstring);
- $countarray = explode("|", $countstring);
-
- // process each number in the array, and find the max and min value
- for ($i = 0; $i < sizeof($countarray); $i++) {
-
- // split string into an array
- $countarray[$i] = explode(",", $countarray[$i]);
-
- // find max and min values
- $localmaxvalue[$i] = max($countarray[$i]);
- $localminvalue[$i] = min($countarray[$i]);
-
- }
- }
-
- // determine overall max values
- if (is_numeric($max)) {
- // maximum value set in request
- $maxvalue = $max;
- } else {
- // determine from data
- $maxvalue = max($localmaxvalue);
- }
- if (is_numeric($min)) {
- // minimum value set in request
- $minvalue = $min;
- } else {
- // determine from data
- $minvalue = min($localminvalue);
- }
- $maxlength = max($localmaxlength);
-
- // determine the full range of data for all data sets
- if ($minvalue >= 0 && $maxvalue >= 0) {
- // all numbers are positive, so the baseline = 0
- $maxy = $maxvalue + ($maxvalue * $valuepadding); // pad the top
- $miny = 0;
- $yrange = $maxy;
- $yorigin = 0;
- } else if ($minvalue < 0 && $maxvalue < 0) {
- // all numbers are negative, so the topline = 0 and the baseline = $minvalue
- $maxy = 0;
- $miny = $minvalue - ($maxvalue * $valuepadding); // pad the bottom
- $yrange = $miny;
- $yorigin = $minvalue;
- } else {
- // there are some negative numbers, so topline = $maxvalue, baseline = $minvalue
- $maxy = $maxvalue + ($maxvalue * $valuepadding); // pad the top
- $miny = $minvalue - ($maxvalue * $valuepadding); // and the bottom
- $yrange = $maxy + abs($miny);
- $yorigin = abs($miny);
- // because the data is positive and negative, we need to draw a fake x-axis
- $draworigin=true;
- }
-
- // set up an array to handle the chart data
- $chartdata = array();
-
- // draw a custom origin if needed
- // (the encoding methods used here are explained in more detail below)
- if ($draworigin) {
- if ($method == "s") {
- // simple encoding
- $ylocation = round((strlen($simple_encoding)-1) * $yorigin / $yrange);
- // add two points to draw the origin
- array_push($chartdata, substr($simple_encoding, $ylocation, 1) . $data_delimiter);
- array_push($chartdata, substr($simple_encoding, $ylocation, 1) . $data_delimiter . $data_setdelimiter);
- } else if ($method == "t") {
- // text encoding
- $ylocation = 100 * $yorigin/ $yrange;
- // add two points to draw the origin
- array_push($chartdata, number_format($ylocation, 1) . $data_delimiter);
- array_push($chartdata, number_format($ylocation, 1) . $data_delimiter . $data_setdelimiter);
- } else {
- // extended encoding
- $ylocation = (4095 * ($yorigin + $currentvalue) / $yrange);
- $firstchar = floor($ylocation / 64);
- $secondchar = $ylocation % 64; // modulus
- $mappedchar = substr($extended_encoding, $firstchar, 1) . substr($extended_encoding, $secondchar, 1);
- // add two points to draw the origin
- array_push($chartdata, $mappedchar . $data_delimiter);
- array_push($chartdata, $mappedchar . $data_delimiter . $data_setdelimiter);
- }
- }
-
- // process each data set
- for ($i = 0; $i < sizeof($dataarray); $i++) {
-
- // process each item in the array
- $thisdataarray = $dataarray[$i];
-
- // zero-pad to match the longest data set
- while (sizeof($thisdataarray) < $maxlength) {
- array_push($thisdataarray, $data_missing);
- }
-
- if ($method == "s") {
- // ============= SIMPLE ENCODING =============
-
- // process elements
- for ($j = 0; $j < sizeof($thisdataarray); $j++) {
- $currentvalue = $thisdataarray[$j];
- if (is_numeric($currentvalue)) {
-
- // map data to $simple_encoding string
- $ylocation = round((strlen($simple_encoding)-1) * ($yorigin + $currentvalue) / $yrange);
-
- // add point data
- array_push($chartdata, substr($simple_encoding, $ylocation, 1) . $data_delimiter);
-
- } else {
- // add empty point data
- array_push($chartdata, $data_missing . $data_delimiter);
- }
- }
-
- // ============= END SIMPLE ENCODING =============
- } else if ($method == "t") {
- // ============= TEXT ENCODING =============
-
- // process elements
- for ($j = 0; $j < sizeof($thisdataarray); $j++) {
- $currentvalue = $thisdataarray[$j];
- if (is_numeric($currentvalue)) {
-
- // convert data to 0-100 range
- $ylocation = 100 * ($yorigin + $currentvalue) / $yrange;
-
- // add point data
- array_push($chartdata, number_format($ylocation, 1) . $data_delimiter); // format 0.0,
-
- } else {
- // add empty point data
- array_push($chartdata, $data_missing . $data_delimiter);
- }
- }
- // ============= END TEXT ENCODING =============
- } else {
- // ============= EXTENDED ENCODING =============
-
- // process elements
- for ($j = 0; $j < sizeof($thisdataarray); $j++) {
- $currentvalue = $thisdataarray[$j];
- if (is_numeric($currentvalue)) {
-
- // convert data to 0-4095 range
- $ylocation = (4095 * ($yorigin + $currentvalue) / $yrange);
-
- // find first character location (round down to integer)
- $firstchar = floor($ylocation / 64);
-
- // find second character location
- $secondchar = $ylocation % 64; // modulus
-
- // find combined location in $extended_encoding string
- $mappedchar = substr($extended_encoding, $firstchar, 1) . substr($extended_encoding, $secondchar, 1);
-
- // add point data
- array_push($chartdata, $mappedchar . $data_delimiter);
-
- } else {
- // add empty point data
- array_push($chartdata, $data_missing . $data_delimiter);
- }
- }
- // ============= END EXTENDED ENCODING =============
- }
-
- // add a set delimiter
- array_push($chartdata, $data_setdelimiter);
-
- }
-
- // get chart data and store it in a buffer
- $buffer = implode('', $chartdata);
-
- // remove any trailing or extra delimiters
- $buffer = rtrim($buffer, $data_setdelimiter);
- $buffer = rtrim($buffer, $data_delimiter);
- $buffer = str_replace(($data_delimiter . $data_setdelimiter), $data_setdelimiter, $buffer);
-
- // fix temporary "_" as missing data
- if ($method == "t") {
- $buffer = str_replace("_", "-1", $buffer);
- }
-
- // draw chart labels if needed (x,y,r,t)
- $labelbuffer = "";
- if ($axestolabel) {
-
- $labelbuffer .= "&chxt=" . $axestolabel . "\r";
- $indexid = 0;
-
- if (strstr($axestolabel, "x")) {
- // label x axis
- $valuebuffer .= $indexid . ",0," . ($maxlength - 1) . "|";
- $indexid++;
- }
- if (strstr($axestolabel, "y")) {
- // label y axis
- $valuebuffer .= $indexid . "," . $miny . "," . $maxy . "|";
- $indexid++;
- }
- if (strstr($axestolabel, "t")) {
- // label top axis
- $valuebuffer .= $indexid . ",0," . ($maxlength - 1) . "|";
- $indexid++;
- }
- if (strstr($axestolabel, "r")) {
- // label right axis
- $valuebuffer .= $indexid . "," . $miny . "," . $maxy . "|";
- $indexid++;
- }
- $valuebuffer = trim($valuebuffer, "|");
-
- $labelbuffer .= "&chxr=" . $valuebuffer . "\r";
- };
-
- // return the encoded data
- return $labelbuffer . $data_header . $buffer;
-}
-
-
-?>
-
-
BGBM BDI Projects / geo.git / blobdiff