(→Hello Marble!) |
(→Hello Marble!) |
||
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The Marble API allows for a very easy integration of a map widget into your application. | The Marble API allows for a very easy integration of a map widget into your application. | ||
| − | Let's prove that with a tiny | + | Let's prove that with a tiny '''Hello world'''-like example. We just create a [http://api.kde.org/4.x-api/kdeedu/marble/classMarble_1_1MarbleWidget.html MarbleWidget] object and show it: |
<code cppqt> | <code cppqt> | ||
| Line 54: | Line 54: | ||
Here's a little checklist to tackle some problems that might arise when compiling the code above: | Here's a little checklist to tackle some problems that might arise when compiling the code above: | ||
| − | * You need Qt and '''Marble development''' | + | * You need Qt and '''Marble development packages''' (or comparable SVN installations) |
* If ''Qt headers'' are not installed in '''/usr/include/qt4''' on your system, change the path in the g++ call above accordingly. | * If ''Qt headers'' are not installed in '''/usr/include/qt4''' on your system, change the path in the g++ call above accordingly. | ||
* Likewise, '''add -I /path/to/marble/headers''' if they're not to be found in /usr/include | * Likewise, '''add -I /path/to/marble/headers''' if they're not to be found in /usr/include | ||
}} | }} | ||
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| Tutorial Series | Marble C++ Tutorial |
| Previous | C++, Qt |
| What's Next | Tutorial 2 - MarbleWidget: Changing basic map properties |
| Further Reading | n/a |
The Marble API allows for a very easy integration of a map widget into your application.
Let's prove that with a tiny Hello world-like example. We just create a MarbleWidget object and show it:
using namespace Marble;
int main(int argc, char** argv) {
QApplication app(argc,argv);
// Create a Marble QWidget without a parent MarbleWidget *mapWidget = new MarbleWidget();
KDE TechBase // Load the OpenStreetMap map
mapWidget->setMapThemeId("earth/openstreetmap/openstreetmap.dgml");
mapWidget->show();
return app.exec();
}
Save the code above as my_marble.cpp and compile it:
g++ -I /usr/include/qt4/ -o my_marble my_marble.cpp -lmarblewidget -lQtGui
If things go fine, execute ./my_marble and you end up with a fully usable OpenStreetMap application:
| Tip |
|---|
Here's a little checklist to tackle some problems that might arise when compiling the code above:
|
