I'm looking for a way to add a diagonal line, not a trend line, that would be independent from the actual data. I want it to start at the bottom left and end a the top right. Is there a good way to do this using Google Charts?
http://i572.photobucket.com/albums/ss169/danielsussman/ScreenShot2014-12-03at23337AM_zpsabbac43a.png
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Is it possible to mark/highlight regions in a superset line chart or would I need to create a custom chart?
I have a chart showing device voltage and I want to highlight where the low/critical/normal voltage range is.
I can sort of hack it by adding annotation lines and increasing the thickness of the lines to 150. This sort of works but falls apart when the y axis range changes.
Any better ideas?
When using Power BI, is it possible to add a Line on the left Y-axis?
Right now, I can only use the left Y-axis for the columns, but I want to put a Line graph on it as well.
I know I can use the right Y-axis, but I want to use them both (due to multiple formats).
To specify my question:
I'd like to visualize 3 metrics using a combination of a Line chart and a Clustered Column chart.
I've got columns representing Sessions, using the left Y-axis and a Line representing New Users on the right Y-axis, like this graph
But now I also want to show the Ad Costs as a line using the left Y-axis.
Which would look like this graph.
Is there a command to make to make two segments of the same path parallel or perpendicular ?
I think the fastest and most universal way to achieve that would be by using a guide line.
Drag one out of the ruler, snap its origin to the end of one of the path segments that is meant to stay in place, then hold Shift and rotate the guide, until it snaps with the other end of the segment that is fine.
Then move the guide to the second segment, and snap the node that is 'off' to the guide.
Edit: for perpendicular, double-click on the guide after it has the correct slope for the first segment, then check the 'relative' box and add 90°.
I am creating project with ChartJs, and I am fetching real time data from the server. Each second, I add extra data point. After some time, there is just too many points on the graph, to the point that you cannot see anything. I would like to know, if there is a way to scroll through the x-variables, and always have set distance between the points? As of know, the distance between points is shrinking, making the graph not readable.
Thanks!
I would like to know, if there is a way to scroll through the
x-variables,
You can use .removeData( ) to remove the (current) first set of points. This would keep only the same number of (latest) points visible on the graph.
...and always have set distance between the points?
Unless you remove points maintain a set distance while adding points would cause the graph width to increase - which is usually not what you want to do.
I'm looking for a simple algorithm for line curving (much like fireworks freeform tool).
In my C++ program, a line is a set of ordered points, each point is of (x,y) form.
Assume I have straight line of 5 (just for simplicity) ordered points (the line isn't necessarily parallel to any axis). I pinch the 3rd point and drag it up. I'm expecting to have a new, gaussian-like, curved line. It doesn't really matter how I implement the "Points" and "Lines", but keep in mind I should add more points to the new expected line so it'll be curved, refined and flowing (and not with line breaks).
I thought of using a gaussian function but I need the ability of moving the curved part (see picture below).
Thanks in advance!
You need a B-spline or a Bezier curve to approximate your shape.
There is a nice interactive demo of Bezier splines so you can play with to see the effect. A sample screenshot below:
Depending on your OS and development environment, there are probably already a number of tools or APIs available.