Question about step line chart.
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logical...@gmail.com
Nov 4, 2015, 2:19:10 AM11/4/15
to Google Visualization API
I am looking for a step line chart. I found the step area chart but they aren't what I am looking for. I am looking for a chart where not all x values are mapped to a y. Like one set could be [1,5],[5,8],[9,50] and the other set could be [4,10][3,5]. Is there something that can do that? Can I use the api to draw it myself? Sorry about asking such a noob question.
Daniel LaLiberte
Nov 4, 2015, 8:11:33 AM11/4/15
to Google Visualization API
You can change the area of a stepped area chart to be transparent, using the areaOpacity option set to 0, so only the line remains, if that is what you want. I don't understand your example data, however. Perhaps you should sketch a chart that would show what you want.
On Wed, Nov 4, 2015 at 2:19 AM, <logical...@gmail.com> wrote:
I am looking for a step line chart. I found the step area chart but they aren't what I am looking for. I am looking for a chart where not all x values are mapped to a y. Like one set could be [1,5],[5,8],[9,50] and the other set could be [4,10][3,5]. Is there something that can do that? Can I use the api to draw it myself? Sorry about asking such a noob question.
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daniel.laliberte@GMail.com 9 Juniper Ridge Road, Acton MA
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logical...@gmail.com
Nov 4, 2015, 1:40:48 PM11/4/15
to Google Visualization API
So I have 2 arrays, each contains the data for 1 line, but the 2 arrays have different number of elements, and each array might not contain all the x values of the other.
I'm hoping for a easy way to render that.
In the sample code it looked like all the arrays had to be the same size and all the x values must have a y value. I was looking for a jagged array. I guess for the missing x values I can just repeat the previous y value and make the array square. Is there some other way besides doing that?
On Wednesday, November 4, 2015 at 7:11:33 AM UTC-6, Daniel LaLiberte wrote:
You can change the area of a stepped area chart to be transparent, using the areaOpacity option set to 0, so only the line remains, if that is what you want. I don't understand your example data, however. Perhaps you should sketch a chart that would show what you want.
On Wed, Nov 4, 2015 at 2:19 AM, <logical...@gmail.com> wrote:
I am looking for a step line chart. I found the step area chart but they aren't what I am looking for. I am looking for a chart where not all x values are mapped to a y. Like one set could be [1,5],[5,8],[9,50] and the other set could be [4,10][3,5]. Is there something that can do that? Can I use the api to draw it myself? Sorry about asking such a noob question.
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Daniel LaLiberte
Nov 4, 2015, 1:54:05 PM11/4/15
to Google Visualization API
I believe I understand what you are asking for now. What you should do is merge your two arrays into one table, include all the x values in the first column, in order, and for each x value, include the y value in one of your two additional columns, and leave null values for the remainder. So for the data you gave, the table would look like this:
var data = google.visualization.arrayToDataTable([
[1, 5, null],
[3, null, 5],
[4, null, 10],
[5, 8, null],
[9, 50, null]
]);
Then, in your options, you want to interpolate between the null values by using the option interpolateNulls: true. This option won't work for the steppedAreaChart, but will for a LineChart.
On Wed, Nov 4, 2015 at 1:40 PM, <logical...@gmail.com> wrote:
So I have 2 arrays, each contains the data for 1 line, but the 2 arrays have different number of elements, and each array might not contain all the x values of the other.I'm hoping for a easy way to render that.In the sample code it looked like all the arrays had to be the same size and all the x values must have a y value. I was looking for a jagged array. I guess for the missing x values I can just repeat the previous y value and make the array square. Is there some other way besides doing that?
On Wednesday, November 4, 2015 at 7:11:33 AM UTC-6, Daniel LaLiberte wrote:
You can change the area of a stepped area chart to be transparent, using the areaOpacity option set to 0, so only the line remains, if that is what you want. I don't understand your example data, however. Perhaps you should sketch a chart that would show what you want.
On Wed, Nov 4, 2015 at 2:19 AM, <logical...@gmail.com> wrote:
I am looking for a step line chart. I found the step area chart but they aren't what I am looking for. I am looking for a chart where not all x values are mapped to a y. Like one set could be [1,5],[5,8],[9,50] and the other set could be [4,10][3,5]. Is there something that can do that? Can I use the api to draw it myself? Sorry about asking such a noob question.
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