# Scruffy Bar Chart Question

**URL:** <https://www.ruby-forum.com/t/scruffy-bar-chart-question/128045>\
**Category:** Rails\
**Created:** [February 4, 2008, 4:43pm UTC](https://www.ruby-forum.com/t/scruffy-bar-chart-question/128045 "2008-02-04T16:43:12Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![pete](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/p/3ab097/32.png) [@pete](https://www.ruby-forum.com/u/pete)\
**Post date:** [February 4, 2008, 4:43pm UTC](https://www.ruby-forum.com/t/scruffy-bar-chart-question/128045/1 "2008-02-04T16:43:12Z")

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Hi-

I have been using Scruffy for a couple days and it’s worked out really  
well. I am stuck though getting a bar chart to work with a single  
line.

Here’s what I am doing:

general chart stuff…graph.new…etc  
…  
my\_graph.add(:bar, ‘GOAL’, [250,350])  
my\_graph.add(:bar, ‘ACTUAL’, [150,200])

This works, but what I was is a SINGLE Bar with one value layered over  
the other:  
my\_graph.add(:bar, ‘GOAL’, [250])  
my\_graph.add(:bar, ‘ACTUAL’, [150])

This does not render anything, how come??