If you want to display only points, then you have two options: 1) use a LineChart and set the "lineWidth" option to 0 and the "pointSize" option to something larger than 0. 2) use a ScatterChart instead of a LineChart
On Tuesday, August 7, 2012 3:58:36 AM UTC-4, Lei WANG wrote: > > gonna need a slight alter version of Line charts: > 1.just print the point when there exits one ,don't print anything if > the corresponding data is null or "". > 2. don't plot lines which connects these printed points > > > 在 2012年3月29日星期四UTC+8下午9时16分14秒，Yuval Ronen写道： >> >> Mixing ScatterChart and AreaChart isn't currently possible, and also >> isn't planed, and I want to take this opportunity to explain the rationale >> behind it. >> >> Area/Line/Column/Bar/SteppedArea/Candlestick charts are all "function >> charts". "Function" as in "mathematical function" - something that maps >> values from some domain to target values. The domain can be either >> discrete or >> continuous<http://code.google.com/apis/chart/interactive/docs/customizing_axes.html#Discrete_vs_Continuous>, >> >> and each domain value has exactly one target value (or null). Each function >> chart can have multiple series, where each series is a single mathematical >> function, configured by the series option, and all series in the chart >> share the same domain. ComboChart is a function chart where each series can >> be of different type, from the above types (yes, all of the above types, >> the docs are out-dated). >> >> ScatterChart, on the other hand, is not a function chart. Each "domain" >> value can have multiple "target" values, even within the same series (and >> therefor the terms "domain" and "target" aren't really accurate for scatter >> chart). That's why scatter chart and function charts don't mix, at least >> not easily. >> >> That said, you can try a ComboChart with 2 series, one of them configured >> with {type: 'area'} and the other configured with {type: 'line', >> lineWidth: 0, pointSize: 7}. This might be good enough for you. >> >> On Wed, Mar 28, 2012 at 8:08 PM, asgallant <[email protected]>wrote: >> >>> I'm afraid that this is not (yet?) possible. Using the ScatterCharts, >>> you can have some series represented by lines (not areas), but they don't >>> support multiple vertical axes. Area charts do support multiple veritical >>> axes, but there is no way to combine them with ScatterCharts as of yet. >>> ComboCharts have started us down this road, though, so hopefully this will >>> be available at some point in the future. >>> >>> On Wednesday, March 28, 2012 11:45:30 AM UTC-4, cd2012 wrote: >>>> >>>> I need to plot an area chart and a scatter chart on the single graph. >>>> Each chart will have its own axes. Is there any support for this in >>>> the Google Visualization API? >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Google Visualization API" group. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msg/google-visualization-api/-/MhNys9U3NMMJ. >>> To post to this group, send email to >>> [email protected]. >>> To unsubscribe from this group, send email to >>> [email protected]. >>> For more options, visit this group at >>> http://groups.google.com/group/google-visualization-api?hl=en. >>> >> >> -- You received this message because you are subscribed to the Google Groups "Google Visualization API" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-visualization-api/-/_l0E2ZfgYcMJ. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-visualization-api?hl=en.
