[Qt-interest] Make a compass

[Stefanos Antaris]

Matthias Pospiech wrote:
> Pau Garcia i Quiles schrieb:
>> On Sat, May 2, 2009 at 1:25 PM, Stefanos Antaris 
>> <santaris at csd.auth.gr> wrote:
>>  
>>> Matthias Pospiech wrote:
>>>    
>>>> Stefanos Antaris schrieb:
>>>>      
>>>>> Hello.I am just trying to make a compass for my qt application.I have
>>>>> tried to use the qwt compass but something is wrong with the
>>>>> libraries.So how can i make a compass without using external
>>>>> libraries?Can anyone help me?
>>>>>
>>>>>         
>>>> What is wrong with qwt? It works perfectly in my case.
>>>> If you want to know how to make a compass on your own look into the
>>>> qwt source code.
>>>> But I expect that it will be much more worth to get qwt running than
>>>> to try to reimplement its functionality.
>>>>
>>>> Matthias
>>>>
>>>>       
>>> I tried to install it.It seems that it is installed.I don't know if it
>>> has to install the qwt libs into the QtSDK libs in order to work.So 
>>> as i
>>> think the qwt libs is installed into it's own folder.When i try to run
>>> any example of qwt it just crash.I can't even see something.I don't 
>>> have
>>> any errors.I just can't see the application.I am am Mac User.If that
>>> helps you.I know that it is not a list for qwt.
>>>     
>>
>> Sounds like you are mixing MinGW and Visual C++ binaries
>>
>>   
> This is one possibility. Since there is typically more than one 
> application installed which uses Qt which comes with its own dlls AND 
> puts its path into the System Path it happens that your qwt examples 
> are loaded with any dll that is first in the path. It is very unlikely 
> that the right ones are chosen.
>
> In order to have your own binaries loaded correct you have to put the 
> correct dlls into the path of the binary (.exe file), or which is 
> typiclly not an option - make sure that no other qt/qwt dll is 
> installed in any path.
>
> So, if you put the correct qt dlls and qwt dll into the bin path of 
> the exmaples these should start without any problem.
>
> Matthias
>
>
>
No.I don't think so.I am a mac user.I can't use Visual C++ and obviously 
i don't have .exe files.