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Comments (12)

BennyPolak avatar BennyPolak commented on May 4, 2024 6

For chartjs 2.0 I've found the solution. Put this in the options object.
Have fun!

scales: {
    yAxes: [{
      id: 'y-axis-0',
      gridLines: {
        display: true,
        lineWidth: 1,
        color: "rgba(0,0,0,0.30)"
      },
      ticks: {
        beginAtZero:true,
        mirror:false,
        suggestedMin: 0,
        suggestedMax: 500,
      },
      afterBuildTicks: function(chart) {

      }
    }],
    xAxes: [{
      id: 'x-axis-0',
      gridLines: {
        display: false
      },
      ticks: {
        beginAtZero: true
      }
    }]
}

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tmukka avatar tmukka commented on May 4, 2024 2

@chesstrian the solution is not working for me, but i am able to find a solution from a site https://www.dyclassroom.com/chartjs/how-to-create-a-bar-graph-using-chartjs

where they are using min option for y axis, which can solve few of our requirements

yAxes: [{ ticks: { min: 0 } }]

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airblade avatar airblade commented on May 4, 2024 1

I've harcoded this in my fork:

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bartekmaciejewski avatar bartekmaciejewski commented on May 4, 2024 1

hi, I've tried your solution but it didn't work for me - I found on stack other answer (http://stackoverflow.com/questions/43040867/show-bar-with-zero-value-in-chartjs-v2/), but it's more hack than solution - can you show on jsfiddle how exactly you soultion works?

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chesstrian avatar chesstrian commented on May 4, 2024 1

@bartekmaciejewski @nickgrossman Not sure if you still need it, it works for me with:

var config = {
  type: 'bar',
  data: {
    ...
  },
  options: {
    scales: {
      yAxes: [{
        ticks: {
          beginAtZero: true
        }
      }]
    }
  }
};

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nnnick avatar nnnick commented on May 4, 2024

I agree. On the list of todos for the next major release.

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jameshfisher avatar jameshfisher commented on May 4, 2024

Wow, can't believe this isn't available! I'll look elsewhere for bar charts. :-(

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alexanderlind avatar alexanderlind commented on May 4, 2024

This is a most flabbergasting flaw. Unbelievable that this beautiful plugin missed a fundamental business criteria like that. Both bars and lines need this option of course.

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shawnwhinnery avatar shawnwhinnery commented on May 4, 2024

Line charts need to start at 0 as well. Keep your original code though, Fox News will love it. xD

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nnnick avatar nnnick commented on May 4, 2024

I'm not sure if I agree that line charts should always start at zero, visual context at a small size is difficult when a scale a lot larger than the change itself.

Though there is a new option for doing this - pass scaleBeginAtZero: true into your options for chart types.

For bar charts, this now defaults to true.

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axelwass avatar axelwass commented on May 4, 2024

This new feauter should be in http://www.chartjs.org/docs/#line-chart documentation.

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nickgrossman avatar nickgrossman commented on May 4, 2024

same here- doesn't work for me, and I would like my y axis to begin at zero!

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