What is the problem? I'ts about GHPython.

Replies to This Discussion

Permalink Reply by Anders Holden Deleuran on October 20, 2016 at 9:22am

Could also be that his friend is running 32 bit Rhino. I remember we had some issues with the 32/64 bit thing when implemented ShapeOp (a C++ library) in GHPython.

Permalink Reply by Y_u on October 24, 2016 at 10:03pm

Sorry for late to reply, I've tried to figure out what you wrote though

I still can't use in GHPython.

and My friend 's path is right.

Permalink Reply by Anders Holden Deleuran on October 25, 2016 at 2:05am

Maybe read up a bit there Tom..

Permalink Reply by Anders Holden Deleuran on October 25, 2016 at 5:22am

That was my point, no worries ;) But you're absolutely right, it is certainly not an easy path to go down. Regarding 32 bit: We had some issues when compiling ShapeOp where we would have to target specifically 32 or 64 bit Rhino to get it running. This is also the primary issue with Numpy under IronPython (there is no 64 bit version, hence it is currently not compatible with 64 bit Rhino).

Permalink Reply by Marios Tsiliakos on October 25, 2016 at 2:45am

However my friend put exactly the same code into GHPython (he put add.dll file into also same place as me), he could do it...

 

who is this friend??

Also consider the possiblility that your .dll is blocked by windows.

In addition it would be nice if you could send the example and .dlll through in order to replicate the error.

Permalink Reply by Y_u on October 31, 2016 at 3:50am

Python file---

from ctypes import *
addmodule = cdll.LoadLibrary('C:\\Users\\Owner\\add4.dll')
addmodule.add4_.argtypes = [ POINTER(c_int),POINTER(c_int),POINTER(c_int) ]
addmodule.add4_.restype = c_void_p

a,b = 4,5
a = c_int(a)
b = c_int(b)
c = c_int()
addmodule.add4_(byref(a),byref(b),byref(c))

print c.value
print b.value

Fortran file---

subroutine add4(a,b,c)
implicit none
real(8),intent(in) :: a
real(8),intent(inout):: b
real(8),intent(inout):: c
integer IT

Open(unit=7, file='TEST.txt')
IT=7

c = a + b
b = a + c

WRITE(IT,*) c , b
end subroutine

here it is. I could load dll file only once, then I can't do it again.