Call gnu plot in MS Studio

[veerendra singh]

Dear Sir

I downloaded and installed gp527-win64-mingw.exe.

But when I call this in a C programme the following message pop up,

This version of .......\Visual Studio 2015\Projects\Code1\gnuplot.exe is not compatible with the version of Windows you're running. Check your computer's system information and then contact the software publisher.

Can you suggest any solution ?

[Tatsuro MATSUOKA]

How do you call gnuplot?
The below is an example using "pipe" ;

#include <stdio.h>

 int main(void){
 FILE *gp;

  gp = popen("gnuplot -persist","w");
  fprintf(gp, "plot sin(x)\n");

    pclose(gp);

   return 0;
  }

[Tatsuro MATSUOKA]

What version of Windows are you using?
Can you excute gnuplot.exe directly?

[veerendra singh]

Yes but not through cpp by system () command in windows 10 pro 64 bit
Your suggested programme not working

On Wed 11 Sep, 2019, 12:58 PM Tatsuro MATSUOKA, tmacchant@users.sourceforge.net wrote:

What version of Windows are you using?
Can you excute gnuplot.exe directly?

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Call gnu plot in MS Studio
https://sourceforge.net/p/gnuplot/discussion/5925/thread/d9ee9116e8/?limit=25#0f98

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[Tatsuro MATSUOKA]

Did you set path to where gnuplot.exe is placed?

[Tatsuro MATSUOKA]

Sorry.
VC does not have popen nor pclose but has _popen and _pclose.
I do not have GUI version VC and I tried the below command line version VC 2019.

#include <stdio.h>

 int main(void){
 FILE *gp;

  gp = _popen("gnuplot -persist","w");
  fprintf(gp, "plot sin(x)\n");

   _pclose(gp);

  return 0;
  }

D:\usr\Tatsu\program\gnuplot\test27>cl test1.cpp
Microsoft(R) C/C++ Optimizing Compiler Version 19.22.27905 for x64
Copyright (C) Microsoft Corporation.  All rights reserved.

test1.cpp
Microsoft (R) Incremental Linker Version 14.22.27905.0
Copyright (C) Microsoft Corporation.  All rights reserved.

/out:test1.exe
test1.obj

D:\usr\Tatsu\program\gnuplot\test27>.\test1 

[Tatsuro MATSUOKA]

Did you only copy gnuplot.exe to .......\Visual Studio 2015\Projects\Code1\gnuplot.exe ?
But gnuplot.exe depends on th dll files in the bin folder.
1. copy also all files to the ......\Visual Studio 2015\Projects\Code1\
or
2. set path to (gnuplot install dir)\bin

[veerendra singh]

Yes , I tried but still says that It is 16bit app and compitable with
windows 64 bit version .

Any other possiability ?

On Fri 13 Sep, 2019, 6:59 AM Tatsuro MATSUOKA, tmacchant@users.sourceforge.net wrote:

Did ou only copy gnuplot.exe to .......\Visual Studio
2015\Projects\Code1\gnuplot.exe ?
But gnuplot.exe depends on th dll files in the bin folder.
1. copy also all files to the ......\Visual Studio 2015\Projects\Code1\
or
2. set path to (gnuplot install dir)\bin

---

Call gnu plot in MS Studio
https://sourceforge.net/p/gnuplot/discussion/5925/thread/d9ee9116e8/?limit=25#f1e6

---

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[veerendra singh]

Thanks
Now I could able to open gnuplot direct from a cpp programme but It just
open not run the .txt file to plot the data.
Can you suggedt what error I am doing
Ingiven command line
system("\ start wgnuplot >> mycmdnn2.txt -persist");

Regards

On Tue 17 Sep, 2019, 3:45 PM veerendra singh, veerenyadav@users.sourceforge.net wrote:

Yes , I tried but still says that It is 16bit app and compitable with
windows 64 bit version .

Any other possiability ?

On Fri 13 Sep, 2019, 6:59 AM Tatsuro MATSUOKA,
tmacchant@users.sourceforge.net wrote:

Did ou only copy gnuplot.exe to .......\Visual Studio
2015\Projects\Code1\gnuplot.exe ?
But gnuplot.exe depends on th dll files in the bin folder.
1. copy also all files to the ......\Visual Studio 2015\Projects\Code1\
or
2. set path to (gnuplot install dir)\bin

---

Call gnu plot in MS Studio

https://sourceforge.net/p/gnuplot/discussion/5925/thread/d9ee9116e8/?limit=25#f1e6

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https://sourceforge.net/p/gnuplot/discussion/5925/

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Call gnu plot in MS Studio
https://sourceforge.net/p/gnuplot/discussion/5925/thread/d9ee9116e8/?limit=25#f1e6/1e22

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[Tatsuro MATSUOKA]

I could not understand what you want do.

Do you want save plot date to text file?
If so, please consult "set table" in the help.

Or
do you want plot a data file "foo.txt" like

# foo.txt
0 0
1 1
2 4
3 9
4 16
5 25

#include <stdio.h>
#include <stdlib.h>

 int main(void){
 system("start wgnuplot --persist -e \"plot 'foo.txt'\" ");

   return 0;
  }