Version with MQ135 Air Quality sensor.

[weathermon.git] / web / image.php

diff --git a/web/image.php b/web/image.php
index eaa6fda004255c79172a12f139a50ff52755ef20..16fbafb89f28de2b801b3c34d77564875159cf43 100644 (file)
--- a/web/image.php
+++ b/web/image.php
@@ -82,7 +82,23 @@ if ($type and $param) {
       'select unix_timestamp(timestamp) as x,unitconv(value,'.$from_unit.','.$to_unit.') as y from sensor_values where timestamp>adddate(now(), -1) and sensor_id='.$sensor.' and parameter_id='.$param.' order by timestamp'
     );
 
-    $height = 130;
+    $bottomheight = 130;
+    $topheight = 40;
+    $sizex = 1000;
+    $sizey = 800;
+    $scale = True;
+    
+  } elseif ($type == 'last24small') {
+
+    $q = $db -> prepare(
+      'select unix_timestamp(timestamp) as x,unitconv(value,'.$from_unit.','.$to_unit.') as y from sensor_values where timestamp>adddate(now(), -1) and sensor_id='.$sensor.' and parameter_id='.$param.' order by timestamp'
+    );
+
+    $bottomheight = 20;
+    $topheight = 20;
+    $sizex = 400;
+    $sizey = 300;
+    $scale = False;
     
   } elseif ($type == 'range') {
 
@@ -93,7 +109,7 @@ if ($type and $param) {
 
     if ($curr>$to) {
     
-        $cachefilename='meteo.'.$sensor.'.'.$param.'.'.$from.'-'.$to.'.'.$img_format;
+        $cachefilename='meteo.'.$sensor.'.'.$param.'.'.$to_unit.'.'.$from.'-'.$to.'.'.$img_format;
     
     }
 
@@ -101,11 +117,15 @@ if ($type and $param) {
       'select unix_timestamp(timestamp) as x,unitconv(value,'.$from_unit.','.$to_unit.') as y from sensor_values where timestamp>=str_to_date("'.$from.'","%Y%m%d%H%i%s") and timestamp<=str_to_date("'.$to.'","%Y%m%d%H%i%s") and sensor_id='.$sensor.' and parameter_id='.$param.' order by timestamp'
     );
   
-    $height = 60;
+    $bottomheight = 60;
+    $topheight = 40;
+    $sizex = 1000;
+    $sizey = 800;
+    $scale = True;
   
   }
 
-  $g = new Graph(640,480);
+  $g = new Graph($sizex,$sizey);
   
   if ($cachefilename) {
       if ($g->cache->IsValid($cachefilename)) {
@@ -135,7 +155,7 @@ if ($type and $param) {
 
     $total_weight=0;
     $sum=0;
-    $maxdelta = 900;
+    $maxdelta = 1800;
     
     for ($j = $i; $j < count($xdata); ++$j) {
     
@@ -167,13 +187,18 @@ if ($type and $param) {
   // Create the graph
   $g->graph_theme = null;
 
-  //$g->img->SetAntiAliasing();
+  $g->img->SetAntiAliasing();
 
-  // We need a linlin scale since we provide both
-  // x and y coordinates for the data points.
+  // We need a datlin scale since we provide both
+  // x and y coordinates for the data points, but x is unix timestamp.
   $g->SetScale('datlin');
-  $g->xaxis->SetLabelAngle(90);
+  if ($scale) {
+    $g->xaxis->SetLabelAngle(90);
+  } else {
+    $g->xaxis->HideLabels(True);
+  }
   $g->xaxis->SetPos("min");
+#  $g->xaxis->scale->SetTimeAlign( HOURADJ_1 );
 
   // We use a scatterplot to illustrate the original
   // contro points.
@@ -191,10 +216,17 @@ if ($type and $param) {
   $fplot->SetColor($line_color);
   $fplot->SetWeight(2);
 
-  $g->SetMargin(50,30,40,$height);
-  $g->title->Set($sensor_name.'/'.$param_name.', '.$param_unit);
-  $g->title->SetFont(FF_DV_SANSSERIF,FS_BOLD,12);
-  $g->SetMarginColor('silver');
+  $g->SetMargin(50,30,$topheight,$bottomheight);
+  if ($scale) {
+    $g->title->Set($sensor_name.'/'.$param_name.', '.$param_unit);
+    $g->title->SetFont(FF_DV_SANSSERIF,FS_BOLD,12);
+  }  
+  $g->SetMarginColor('lightgray');
+
+  $g->xgrid->Show();
+  $g->xgrid->SetLineStyle('dotted');
+  $g->ygrid->Show();
+  $g->ygrid->SetLineStyle('dotted');
 
   // Add the plots to the graph and stroke
   $g->Stroke();