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Variable Pixel Spacing for Images in IDL [message #86711] Fri, 29 November 2013 05:54 Go to previous message
robseigel is currently offline  robseigel
Messages: 3
Registered: November 2013
Junior Member
Hello,

I have a 2D array that is an x-z vertical plane, where the vertical axis is stretched from ~ 25 meter spacing between rows at the bottom (index = 0) to 100 meter spacing at the top. I am trying to plot these data as an image with the y-axis "stretched" appropriately:

yaxis = zcoords ; Vertical axis [12.4,37.67,63.44...16400,16500,16600]
xaxis = xcoords ; Horizontal axis [0,100,200...50900,51000,51100]
p = image(rgbData,xaxis,yaxis,/buffer, $
axis_style=2)

But, the above code does stretch the image properly. Using contour stretches the data fine, but I would prefer to plot these data as an image. Does anyone know how I can plot these data as an image so that the data points match the locations specified by yaxis?

Thanks,
Rob

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