[OpenSCAD] Light source and default camera position different on command line

nop head nop.head at gmail.com
Mon Sep 24 14:27:36 EDT 2018

The way it currently works is if it runs the GUI then it gets the
application path from the OpenSCADApp instance. If it runs the command line
version it instantiates a QCoreApplication app and uses that. Only if it is
compiled without QT does it use the boost version.

To get the color schemes in the command line description it needs the app
path before it has processed the command line. I bodged it by always
creating a QCoreApplicationapp on the heap, using it to get the app path
and then deleting it. That seems to fix the problem and still uses QT if
compiled with QT.

    QCoreApplication *app = new QCoreApplication(argc, argv);
    const std::string application_path =
    delete app;
    const std::string application_path =

Can anybody see a problem with this hack?

On 24 September 2018 at 18:28, Torsten Paul <Torsten.Paul at gmx.de> wrote:

> On 09/24/2018 04:03 PM, nop head wrote:
>> Having two QT app instances seems to be a problem, no surprise there!
>> Is there a reason for preferring the QT version? The boost version
>> produces the same path on my system so using that solves the problem.
>> The current code might be just for legacy reasons, but there are various
> issues with boost on Windows regarding hard-links and non-ascii path.
> I don't know if the toLocal8Bit() from Qt is better, but it might actually
> help in those cases. Otherwise it would be nicer to just have a single
> way to determine the path.
> The command line help change looks very nice. I think that using the
> generated version is much better as this pretty much removes the risk
> of information missing in the output in case of future changes to the
> options.
> ciao,
>   Torsten.
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