Highcharts categories with many curves is not working in iOS










1














I'm new using Highcharts. Using it in iOS (which is pretty much the same as JS) I have this piece of code for testing:



private func initChart()
let chart = HIChart()
let chartOptions = HIOptions()
chartOptions.chart = chart

chart.type = "line"

chartOptions.title = HITitle()
chartOptions.title.text = "Auction Details"

chartOptions.subtitle = HISubtitle()
chartOptions.subtitle.text = "P&L Curves"

let xAxis = HIXAxis()
xAxis.title = HITitle()
xAxis.title.text = "Time"
xAxis.categories = ["10-01-2018", "23-03-2018", "10-04-2018", "30-04-2018", "01-05-2018", "14-09-2018", "10-011-2018", "22-11-2018"]
chartOptions.xAxis = [xAxis]

let yAxis = HIYAxis()
yAxis.title = HITitle()
yAxis.title.text = "Money"
yAxis.min = 0.0
chartOptions.yAxis = [yAxis]

let seriesRewards = HISeries()
seriesRewards.name = "Rewards"
seriesRewards.data = [["10-01-2018", 23.4], ["23-03-2018", 34.2], ["22-11-2018",7.9]]

let seriesPrice = HISeries()
seriesPrice.name = "Price"
seriesPrice.data = [["23-03-2018",42.4], ["23-03-2018",34.2], ["10-04-2018",61.1], ["01-05-2018",87.0], ["14-09-2018",25.9], ["22-11-2018",100.1], ["01-12-2018",95.9], ["22-12-2018",81.9]]

chartOptions.series = [seriesRewards, seriesPrice]

chartView.options = chartOptions



This runs perfectly but it I the points for the 1st series do not match with what I said... pls take a look to the following image:



The last point for the 1st series is not correct



My question is, seriesRewards is defined like this:




seriesRewards.data = [["10-01-2018", 23.4], ["23-03-2018", 34.2],
["22-11-2018",7.9]]




Why the last point is not shown in the correct position in the chart?



Regards










share|improve this question

















  • 1




    You're using xAxis.categories, so each point belongs to the particular category. What you need is xAxis type datetime and data passed as [[1542014107109, 23.4], ....... ] -> [timestamp, y-value]. Check docs: api.highcharts.com/highcharts/xAxis.type
    – Wojciech Chmiel
    Nov 12 '18 at 9:20











  • Thanks a lot @WojciechChmiel, but now I have another issue. Pints don't appear in the curve if I remove xAxis.categories... because if you see the image above, each point has a circle or a diamond as icon or something like that to represent the point... using your approach the curve is ok, but I'm missing this. Any idea how to enable them in iOS?
    – Freddy Martinez Garcia
    Nov 13 '18 at 2:54











  • Have you tried just enable the markers? Api: api.highcharts.com/ios/highcharts.
    – Wojciech Chmiel
    Nov 19 '18 at 11:47
















1














I'm new using Highcharts. Using it in iOS (which is pretty much the same as JS) I have this piece of code for testing:



private func initChart()
let chart = HIChart()
let chartOptions = HIOptions()
chartOptions.chart = chart

chart.type = "line"

chartOptions.title = HITitle()
chartOptions.title.text = "Auction Details"

chartOptions.subtitle = HISubtitle()
chartOptions.subtitle.text = "P&L Curves"

let xAxis = HIXAxis()
xAxis.title = HITitle()
xAxis.title.text = "Time"
xAxis.categories = ["10-01-2018", "23-03-2018", "10-04-2018", "30-04-2018", "01-05-2018", "14-09-2018", "10-011-2018", "22-11-2018"]
chartOptions.xAxis = [xAxis]

let yAxis = HIYAxis()
yAxis.title = HITitle()
yAxis.title.text = "Money"
yAxis.min = 0.0
chartOptions.yAxis = [yAxis]

let seriesRewards = HISeries()
seriesRewards.name = "Rewards"
seriesRewards.data = [["10-01-2018", 23.4], ["23-03-2018", 34.2], ["22-11-2018",7.9]]

let seriesPrice = HISeries()
seriesPrice.name = "Price"
seriesPrice.data = [["23-03-2018",42.4], ["23-03-2018",34.2], ["10-04-2018",61.1], ["01-05-2018",87.0], ["14-09-2018",25.9], ["22-11-2018",100.1], ["01-12-2018",95.9], ["22-12-2018",81.9]]

chartOptions.series = [seriesRewards, seriesPrice]

chartView.options = chartOptions



This runs perfectly but it I the points for the 1st series do not match with what I said... pls take a look to the following image:



The last point for the 1st series is not correct



My question is, seriesRewards is defined like this:




seriesRewards.data = [["10-01-2018", 23.4], ["23-03-2018", 34.2],
["22-11-2018",7.9]]




Why the last point is not shown in the correct position in the chart?



Regards










share|improve this question

















  • 1




    You're using xAxis.categories, so each point belongs to the particular category. What you need is xAxis type datetime and data passed as [[1542014107109, 23.4], ....... ] -> [timestamp, y-value]. Check docs: api.highcharts.com/highcharts/xAxis.type
    – Wojciech Chmiel
    Nov 12 '18 at 9:20











  • Thanks a lot @WojciechChmiel, but now I have another issue. Pints don't appear in the curve if I remove xAxis.categories... because if you see the image above, each point has a circle or a diamond as icon or something like that to represent the point... using your approach the curve is ok, but I'm missing this. Any idea how to enable them in iOS?
    – Freddy Martinez Garcia
    Nov 13 '18 at 2:54











  • Have you tried just enable the markers? Api: api.highcharts.com/ios/highcharts.
    – Wojciech Chmiel
    Nov 19 '18 at 11:47














1












1








1







I'm new using Highcharts. Using it in iOS (which is pretty much the same as JS) I have this piece of code for testing:



private func initChart()
let chart = HIChart()
let chartOptions = HIOptions()
chartOptions.chart = chart

chart.type = "line"

chartOptions.title = HITitle()
chartOptions.title.text = "Auction Details"

chartOptions.subtitle = HISubtitle()
chartOptions.subtitle.text = "P&L Curves"

let xAxis = HIXAxis()
xAxis.title = HITitle()
xAxis.title.text = "Time"
xAxis.categories = ["10-01-2018", "23-03-2018", "10-04-2018", "30-04-2018", "01-05-2018", "14-09-2018", "10-011-2018", "22-11-2018"]
chartOptions.xAxis = [xAxis]

let yAxis = HIYAxis()
yAxis.title = HITitle()
yAxis.title.text = "Money"
yAxis.min = 0.0
chartOptions.yAxis = [yAxis]

let seriesRewards = HISeries()
seriesRewards.name = "Rewards"
seriesRewards.data = [["10-01-2018", 23.4], ["23-03-2018", 34.2], ["22-11-2018",7.9]]

let seriesPrice = HISeries()
seriesPrice.name = "Price"
seriesPrice.data = [["23-03-2018",42.4], ["23-03-2018",34.2], ["10-04-2018",61.1], ["01-05-2018",87.0], ["14-09-2018",25.9], ["22-11-2018",100.1], ["01-12-2018",95.9], ["22-12-2018",81.9]]

chartOptions.series = [seriesRewards, seriesPrice]

chartView.options = chartOptions



This runs perfectly but it I the points for the 1st series do not match with what I said... pls take a look to the following image:



The last point for the 1st series is not correct



My question is, seriesRewards is defined like this:




seriesRewards.data = [["10-01-2018", 23.4], ["23-03-2018", 34.2],
["22-11-2018",7.9]]




Why the last point is not shown in the correct position in the chart?



Regards










share|improve this question













I'm new using Highcharts. Using it in iOS (which is pretty much the same as JS) I have this piece of code for testing:



private func initChart()
let chart = HIChart()
let chartOptions = HIOptions()
chartOptions.chart = chart

chart.type = "line"

chartOptions.title = HITitle()
chartOptions.title.text = "Auction Details"

chartOptions.subtitle = HISubtitle()
chartOptions.subtitle.text = "P&L Curves"

let xAxis = HIXAxis()
xAxis.title = HITitle()
xAxis.title.text = "Time"
xAxis.categories = ["10-01-2018", "23-03-2018", "10-04-2018", "30-04-2018", "01-05-2018", "14-09-2018", "10-011-2018", "22-11-2018"]
chartOptions.xAxis = [xAxis]

let yAxis = HIYAxis()
yAxis.title = HITitle()
yAxis.title.text = "Money"
yAxis.min = 0.0
chartOptions.yAxis = [yAxis]

let seriesRewards = HISeries()
seriesRewards.name = "Rewards"
seriesRewards.data = [["10-01-2018", 23.4], ["23-03-2018", 34.2], ["22-11-2018",7.9]]

let seriesPrice = HISeries()
seriesPrice.name = "Price"
seriesPrice.data = [["23-03-2018",42.4], ["23-03-2018",34.2], ["10-04-2018",61.1], ["01-05-2018",87.0], ["14-09-2018",25.9], ["22-11-2018",100.1], ["01-12-2018",95.9], ["22-12-2018",81.9]]

chartOptions.series = [seriesRewards, seriesPrice]

chartView.options = chartOptions



This runs perfectly but it I the points for the 1st series do not match with what I said... pls take a look to the following image:



The last point for the 1st series is not correct



My question is, seriesRewards is defined like this:




seriesRewards.data = [["10-01-2018", 23.4], ["23-03-2018", 34.2],
["22-11-2018",7.9]]




Why the last point is not shown in the correct position in the chart?



Regards







ios swift highcharts






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Nov 12 '18 at 2:26









Freddy Martinez Garcia

344




344







  • 1




    You're using xAxis.categories, so each point belongs to the particular category. What you need is xAxis type datetime and data passed as [[1542014107109, 23.4], ....... ] -> [timestamp, y-value]. Check docs: api.highcharts.com/highcharts/xAxis.type
    – Wojciech Chmiel
    Nov 12 '18 at 9:20











  • Thanks a lot @WojciechChmiel, but now I have another issue. Pints don't appear in the curve if I remove xAxis.categories... because if you see the image above, each point has a circle or a diamond as icon or something like that to represent the point... using your approach the curve is ok, but I'm missing this. Any idea how to enable them in iOS?
    – Freddy Martinez Garcia
    Nov 13 '18 at 2:54











  • Have you tried just enable the markers? Api: api.highcharts.com/ios/highcharts.
    – Wojciech Chmiel
    Nov 19 '18 at 11:47













  • 1




    You're using xAxis.categories, so each point belongs to the particular category. What you need is xAxis type datetime and data passed as [[1542014107109, 23.4], ....... ] -> [timestamp, y-value]. Check docs: api.highcharts.com/highcharts/xAxis.type
    – Wojciech Chmiel
    Nov 12 '18 at 9:20











  • Thanks a lot @WojciechChmiel, but now I have another issue. Pints don't appear in the curve if I remove xAxis.categories... because if you see the image above, each point has a circle or a diamond as icon or something like that to represent the point... using your approach the curve is ok, but I'm missing this. Any idea how to enable them in iOS?
    – Freddy Martinez Garcia
    Nov 13 '18 at 2:54











  • Have you tried just enable the markers? Api: api.highcharts.com/ios/highcharts.
    – Wojciech Chmiel
    Nov 19 '18 at 11:47








1




1




You're using xAxis.categories, so each point belongs to the particular category. What you need is xAxis type datetime and data passed as [[1542014107109, 23.4], ....... ] -> [timestamp, y-value]. Check docs: api.highcharts.com/highcharts/xAxis.type
– Wojciech Chmiel
Nov 12 '18 at 9:20





You're using xAxis.categories, so each point belongs to the particular category. What you need is xAxis type datetime and data passed as [[1542014107109, 23.4], ....... ] -> [timestamp, y-value]. Check docs: api.highcharts.com/highcharts/xAxis.type
– Wojciech Chmiel
Nov 12 '18 at 9:20













Thanks a lot @WojciechChmiel, but now I have another issue. Pints don't appear in the curve if I remove xAxis.categories... because if you see the image above, each point has a circle or a diamond as icon or something like that to represent the point... using your approach the curve is ok, but I'm missing this. Any idea how to enable them in iOS?
– Freddy Martinez Garcia
Nov 13 '18 at 2:54





Thanks a lot @WojciechChmiel, but now I have another issue. Pints don't appear in the curve if I remove xAxis.categories... because if you see the image above, each point has a circle or a diamond as icon or something like that to represent the point... using your approach the curve is ok, but I'm missing this. Any idea how to enable them in iOS?
– Freddy Martinez Garcia
Nov 13 '18 at 2:54













Have you tried just enable the markers? Api: api.highcharts.com/ios/highcharts.
– Wojciech Chmiel
Nov 19 '18 at 11:47





Have you tried just enable the markers? Api: api.highcharts.com/ios/highcharts.
– Wojciech Chmiel
Nov 19 '18 at 11:47













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