Drawing a histogram plot

[MarkJohnson94]

Hi there,

I have been working on an audio analysis library and I am currently working on a histogram of the loudness of the audio samples for the track. I have already developed a waveform viewer that has a few hundred points which are all connected by lines and this looks very nice. However for the histogram, I would like to have hundreds of individual lines which I can set the height of to display my histogram.

Is there any nice way to do this without having to create hundreds of individual objects? I'm a bit stuck for ideas.

Thanks for any help,
Mark

[Jesper Juhl]

Creating a few hundred objects - one for each column in the histogram seems like the simplest and easiest solution to me. Nothing more than a basic loop and a few calculations. What don't you like about that approach?

[Hapax]

I would suggest using a VertexArray, probably the same way your waveform viewer did (mine did).
Remember to use Lines (not LinesStrip) as the primitive type so that each pair of vertices define the line.

[MarkJohnson94]

Perfect. Jesper I understand your approach is probably better and thanks for the reply, I just wanted to know if there was a simple line or two of code that I could use to achieve the effect I needed, and using Lines not LinesStrip works great, so thanks Hapax.