Re: GMT 5 API simple question

Hi,

File "startup_win.bat" did not define GMT5_SHAREDIR or GMT_SHAREDIR
It might be declared  system-wide by installer, but I did not let it do it.

I would expect BAT file to declare it locally.

Also,  either of  GMT5_SHAREDIR or GMT_SHAREDIR make 
GMT_Create_Session() work.

Best Regards,

Mikhail


On 11/19/2013 2:22 AM, Joaquim Luis wrote:
> The Windows installers declare the GMT5_SHAREDIR variable. We use 
> GMT5_... because a GMT_SHAREDIR may exist if GMT4 is installed but it 
> should otherwise play exactly the same role. If it doesn't, than we 
> have a bug.
>
> Joaquim
>
>
>> Yes, if I set under windows GMT_SHAREDIR=C:\gmt5\share (my gmt5 
>> location) API object  is
>> created.
>>
>> But it means that all GMT based programs must have GMT share dir, and 
>> possibly have coatsline
>> files as well (?)
>>
>> It also appeared that GMT shell created by the installer does not 
>> have this variable,
>> because my example cannot create API object if it is ran under that 
>> cmd window.
>>
>> Mikhail
>>
>> On 11/18/2013 11:00 PM, Mikhail Tchernychev wrote:
>>> I was debugging this issue and found that it is related to 
>>> "GMT_SHAREDIR", VERSION file
>>> and fonts and could be something else. All these variables should be 
>>> set correctly for API program to work (I did not make it so far).
>>> Despite excessive diagnostic in GMT code there is nothing which 
>>> comes to stderr.
>>>
>>> I was debugging under Linux
>>>
>>> Would be it possible to enable all that build-in diagnostic for API?
>>>
>>> Best Regards
>>>
>>> Mikhail
>>>
>>> On 11/18/2013 10:18 PM, Mikhail Tchernychev wrote:
>>>> Hi Paul,
>>>>
>>>> Unfortunately it did not look like "windows only" problem.
>>>> I've just re-compiled under Linux using one of the latest dev packages
>>>> and got the same.
>>>>
>>>> I used command to compile:
>>>>
>>>>  c++ -o mytest -I ../src  mytest.cpp -L ../build/src/ -lgmt
>>>>
>>>> then
>>>>
>>>> export LD_LIBRARY_PATH=../build/src/
>>>>
>>>> Everything compiles  and runs, but apparently GMT_Create_Session just
>>>> exits the program.
>>>>
>>>> I tried "NULL" in place function pointer; result is the same.
>>>>
>>>> Do we need some #define setting to compile it?
>>>>
>>>> Best Regards
>>>> Mikhail
>>>>
>>>> On 11/18/2013 6:52 PM, Paul Wessel wrote:
>>>>> Mikhail-
>>>>>
>>>>> Unless Joaquim has tried I don't think anyone has tried this under 
>>>>> Windows yet.  Thanks for being our first!
>>>>>
>>>>> If it dies in GMT_Create_Session then it would be interesting to 
>>>>> run it in debug and see what goes on.  Probably something simple 
>>>>> that just has not been tested.  Given your print_func you might as 
>>>>> well just pass NULL instead, but doubt that would make a difference
>>>>> Joaquim, could you try this and see what is happening?
>>>>>
>>>>> -p
>>>>>
>>>>> On Nov 18, 2013, at 3:41 PM, Mikhail Tchernychev 
>>>>> <[email protected] <mailto:[email protected]>> wrote:
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> I am just trying to compile very simple example with GMT 5.0 API
>>>>>> using VS 2010 Express. Here is the code:
>>>>>>
>>>>>> // sample1.cpp : Defines the entry point for the console application.
>>>>>> //
>>>>>>
>>>>>> #include <stdio.h>
>>>>>> #include <stdlib.h>
>>>>>>
>>>>>> #include "gmt.h"
>>>>>>
>>>>>> int print_func(FILE * dat, const char * msg) {
>>>>>>     fprintf(stderr,"Message: %s\n", msg);
>>>>>>     return 1;
>>>>>> }
>>>>>>
>>>>>>
>>>>>> int main(int argc, char ** )
>>>>>> {
>>>>>>
>>>>>>     fprintf(stderr,"Point 1\n");
>>>>>>     void *API = GMT_Create_Session ("Session name", 2, 0, 
>>>>>> print_func);
>>>>>>     if(API) {
>>>>>>         fprintf(stderr,"Created GMT API!\n");
>>>>>>     }
>>>>>>     return 0;
>>>>>> }
>>>>>>
>>>>>> Everything compiles and runs just fine after I added GMT dlls in 
>>>>>> the PATH.
>>>>>>
>>>>>> But functions GMT_Create_Session just does hard exit no matter what
>>>>>> (Point "Created GMT API!" never reached).
>>>>>>
>>>>>> Am I missing something simple?  Is there any examples if API 
>>>>>> based code?
>>>>>>
>>>>>> I am using binary file "gmt-5.1.0-win32.exe 
>>>>>> <http://gmt.soest.hawaii.edu/files/download?name=gmt-5.1.0-win32.exe>"
>>>>>>
>>>>>> That you!
>>>>>>
>>>>>> Mikhail
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
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