Re: Plots overlayed on Images

[Marius Schamschula]

On Mar 20, 2006, at 10:53 PM, Joe Koski wrote:

on 3/20/06 7:19 PM, Paul Kienzle at address@hidden wrote:

Either use epstk or experiment with gnuplot 4.1.  I couldn't find a binary for 4.1 for OS X so I will leave that game to somebody else for now.

• Paul
  

Paul,

An update: I got your e-mail with the gnuplot-4.1 version of image.m. When I try to build gnuplot-4.1 from source on my Mac, when I do the ./prepare, I get a message that you need autoconf-5.8 or higher, and my Mac has autoconf-5.7. Bummer. I downloaded autoconf-5.9, and it is doing make check as I write. If I can install autoconf-5.9 into /usr/local and temporarily rename the Mac’s autoconf, then maybe I’ll have a shot at building gnuplot-4.1. I’ll aim at trying to produce a portable binary in a tar file, that installs into a separate directory, so maybe we can all try it. It’ll be a while. The new bmpwrite.m for 3D image files works ok with image.m, but I having some trouble with imshow.m, which seems to provide a colormap where it doesn’t need one. More on that later.

Joe

Let us know how this goes. I haven't tried to build gnuplot 4.1 yet. I prefer not to build out of cvs - too unstable.

On Mar 20, 2006, at 8:52 PM, Theresa Bullard wrote:

Can anyone help me with how to overlay plots onto images in octave?

Theresa, all I can think of are some kludges: try overlaying the images in PowerPoint? Maybe GraphicConverter on the Mac can do something? There’s always Adobe Illustrator or PhotoShop, if you have access to them.

Joe

Try ImageMagick. It can do this sort of thing. If you have all the features of the current version of octave-forge installed, you are good to go. I use it to layer weather service NEXRad images using a cron job on my server.

Marius

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Marius Schamschula                               Webmaster

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