How to remove the gap between bars and the horizontal axis?
lazarus / 39-Graphics

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JD · 2013-04-29 15:46

Hi there everyone,

Can anyone (I know Ask can do it  ) show me how to remove the gap
between the base of the bars at zero and the horizontal axis as shown
in the image below?

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wp · 2013-04-29 16:09

Use Chart.Margin accordingly. See also http://wiki.lazarus.freepascal.
org/TAChart_Tutorial:_Userdefined_ChartSource on how to avoid drawing
the grid lines on top of the axis line.

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JD · 2013-04-29 16:24

Quote from: wp on April 29, 2013, 06:09:07 pmUse Chart.Margin
accordingly. See also http://wiki.lazarus.freepascal.org/TAChart_Tutor
ial:_Userdefined_ChartSource on how to avoid drawing the grid lines on
top of the axis line.

Chart.Margin only moves the bar chart horizontally, I assume to create
space for giving the left axis a title. What I want is to make the
base of the bars touch the bottom axis. That is moving the bars
vertically. I haven't found a property that puts the zero value on to
the left axis on the bottom axis.

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wp · 2013-04-29 21:13

Sorry I don't understand, but Chart.Margins.Bottom := 0 does move the
zero of the y axis down to the x axis, and there is no more gap
between the bottom of the bars and the x axis. Isn't that what you
want to achieve?

(Sorry for speaking of "Margin" instead of "Margins" in the first
answer - but does "Margin" exist at all?)

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JD · 2013-04-30 12:19

@wp
Chart.Margins.Bottom = 0 does what I want. Thanks a lot.

JD