From 2786ef5f7fc3a97403b69f530114860a19aa5fee Mon Sep 17 00:00:00 2001
From: Randy Morgan <randym@reallyenglish.com>
Date: Sat, 2 Jun 2012 15:17:46 +0900
Subject: quick fix for chart rendering problem. Need to ensure that we are not
 pushing odd strings into a number data axis point. This should at least make
 sure we get a nice fat 0 for now, but it really needs a bit more than this.

---
 lib/axlsx/drawing/drawing.rb       | 1 -
 lib/axlsx/drawing/graphic_frame.rb | 4 ++--
 lib/axlsx/drawing/num_val.rb       | 2 +-
 3 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/lib/axlsx/drawing/drawing.rb b/lib/axlsx/drawing/drawing.rb
index b06130f1..1553809a 100644
--- a/lib/axlsx/drawing/drawing.rb
+++ b/lib/axlsx/drawing/drawing.rb
@@ -155,7 +155,6 @@ module Axlsx
     # @return [String]
     def to_xml_string(str = '')
       str << '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>'
-#      str << '<xdr:wsDr xmlns:xdr="' << XML_NS_XDR << '" xmlns:a="' << XML_NS_A << '" xmlns:c="' << XML_NS_C << '">'
       str << '<xdr:wsDr xmlns:xdr="' << XML_NS_XDR << '" xmlns:a="' << XML_NS_A << '">'
 
       anchors.each { |anchor| anchor.to_xml_string(str) }
diff --git a/lib/axlsx/drawing/graphic_frame.rb b/lib/axlsx/drawing/graphic_frame.rb
index fd65aa19..e36ae3f2 100644
--- a/lib/axlsx/drawing/graphic_frame.rb
+++ b/lib/axlsx/drawing/graphic_frame.rb
@@ -33,9 +33,9 @@ module Axlsx
     # @return [String]
     def to_xml_string(str = '')
       # macro attribute should be optional!
-      str << '<xdr:graphicFrame macro="">'
+      str << '<xdr:graphicFrame>'
       str << '<xdr:nvGraphicFramePr>'
-      str << '<xdr:cNvPr id="2" name="' << chart.title.text << '"/>'
+      str << '<xdr:cNvPr id="' << @anchor.drawing.worksheet.workbook.drawings.index(@anchor.drawing).to_s << '" name="' << chart.title.text << '"/>'
       str << '<xdr:cNvGraphicFramePr/>'
       str << '</xdr:nvGraphicFramePr>'
       str << '<xdr:xfrm>'
diff --git a/lib/axlsx/drawing/num_val.rb b/lib/axlsx/drawing/num_val.rb
index ed655732..35dbdb83 100644
--- a/lib/axlsx/drawing/num_val.rb
+++ b/lib/axlsx/drawing/num_val.rb
@@ -26,7 +26,7 @@ module Axlsx
     # serialize the object
     def to_xml_string(idx, str = "")
       Axlsx::validate_unsigned_int(idx)
-      str << '<c:pt idx="' << idx.to_s << '" formatCode="' << format_code << '"><c:v>' << v.to_s << '</c:v></c:pt>'
+      str << '<c:pt idx="' << idx.to_s << '" formatCode="' << format_code << '"><c:v>' << v.to_s.to_i.to_s << '</c:v></c:pt>'
     end
   end
 end
-- 
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