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Install ExtendGraphics/MathLink problem

  • To: mathgroup at
  • Subject: [mg32155] Install ExtendGraphics/MathLink problem
  • From: Scott Beckman <scott at>
  • Date: Sat, 29 Dec 2001 18:00:35 -0500 (EST)
  • Sender: owner-wri-mathgroup at


I need to use the ExtendGraphics'TriangularInterpolate package to 
interpolate between irregularly spaced data points.  I need help getting 
the installation correct.

I'm using Mathematica under RedHat Linux v7.2

I've downloaded TWJ's shell install script and installed the files into 
/usr/local/TWJ_Packages.  Using mcc I've built the binaries

mcc -o delaunay
mcc -o contour
mcc -o mandelbrot

Per the README file I've tried testing the installation.

When I try to the commands:

AppendTo[$Path, "/usr/local/TWJ_Packages"]


I'm given the errors:

LinkConnect::linkc: (LinkObject['./mandelbrot', 2, 2] is dead; attempt to 
connect failed.

MandelbrotImage::fail: Installation of the MathLink binary mandelbrot 
failed.  The binary must be found for the functions to work.?

I've tried recompiling the binaries with .exe extensions

mcc -o delaunay.exe ...

I've tried moving the binaries to a directory directly in the path
(/usr/local/mathematica/AddOns/Applications) but I still receive the same 

Also from the April 1999 discussion, it appeared that this problem could 
be circumvented by using the Install command.  This also fails for me.

link = Install["/usr/local/TWJ_Packages/ExtendGraphics/mandelbrot.exe"]

LinkObject['/usr/local/TWJ_Packages/ExtendGraphics/mandelbrot.exe', 7, 2] 
is dead; attempt to connect failed.

I really don't know what to try next, and I don't have any good (simple)
alternatives to using the TriangularInterpolate function included in this 

Thank you for looking at this for me,

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