Visual enhancements

[weathermon.git] / web / image.php

diff --git a/web/image.php b/web/image.php
index eaa6fda004255c79172a12f139a50ff52755ef20..0e513a1e2fe2ff39f73a28b1b8e7fc2929911e74 100644 (file)
--- a/web/image.php
+++ b/web/image.php
@@ -93,7 +93,7 @@ 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;
     
     }
 
@@ -135,7 +135,7 @@ if ($type and $param) {
 
     $total_weight=0;
     $sum=0;
-    $maxdelta = 900;
+    $maxdelta = 1800;
     
     for ($j = $i; $j < count($xdata); ++$j) {
     
@@ -167,13 +167,14 @@ 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);
   $g->xaxis->SetPos("min");
+  $g->xaxis->scale->SetTimeAlign( HOURADJ_1 );
 
   // We use a scatterplot to illustrate the original
   // contro points.
@@ -196,6 +197,11 @@ if ($type and $param) {
   $g->title->SetFont(FF_DV_SANSSERIF,FS_BOLD,12);
   $g->SetMarginColor('silver');
 
+  $g->xgrid->Show();
+  $g->xgrid->SetLineStyle('dotted');
+  $g->ygrid->Show();
+  $g->ygrid->SetLineStyle('dotted');
+
   // Add the plots to the graph and stroke
   $g->Stroke();