// slot
void GeoreferencingDialog::projectionChanged()
{
ScopedMultiSignalsBlocker block(
crs_selector,
lat_edit, lon_edit
);
if (georef->getState() == Georeferencing::Normal)
{
const std::vector< QString >& parameters = georef->getProjectedCRSParameters();
auto temp = CRSTemplateRegistry().find(georef->getProjectedCRSId());
if (!temp || temp->parameters().size() != parameters.size())
{
// The CRS id is not there anymore or the number of parameters has changed.
// Enter as custom spec.
crs_selector->setCurrentCRS(CRSTemplateRegistry().find("PROJ.4"), { georef->getProjectedCRSSpec() });
}
else
{
crs_selector->setCurrentCRS(temp, parameters);
}
}
LatLon latlon = georef->getGeographicRefPoint();
double latitude = latlon.latitude();
double longitude = latlon.longitude();
lat_edit->setValue(latitude);
lon_edit->setValue(longitude);
QString osm_link =
QString("http://www.openstreetmap.org/?lat=%1&lon=%2&zoom=18&layers=M").
arg(latitude).arg(longitude);
QString worldofo_link =
QString("http://maps.worldofo.com/?zoom=15&lat=%1&lng=%2").
arg(latitude).arg(longitude);
link_label->setText(
tr("<a href=\"%1\">OpenStreetMap</a> | <a href=\"%2\">World of O Maps</a>").
arg(osm_link).
arg(worldofo_link)
);
QString error = georef->getErrorText();
if (error.length() == 0)
status_field->setText(tr("valid"));
else
status_field->setText(QString("<b style=\"color:red\">") % error % "</b>");
}
void GeoreferencingTest::testCRSTemplates()
{
auto epsg_template = CRSTemplateRegistry().find("EPSG");
QCOMPARE(epsg_template->parameters().size(), (std::size_t)1);
QCOMPARE(epsg_template->coordinatesName(), QString{"EPSG @code@ coordinates"});
QCOMPARE(epsg_template->coordinatesName({ "4326" }), QString{"EPSG 4326 coordinates"});
georef.setProjectedCRS("EPSG", epsg_template->specificationTemplate().arg("5514"), { "5514" });
QVERIFY(georef.isValid());
QCOMPARE(georef.getProjectedCoordinatesName(), QString{"EPSG 5514 coordinates"});
}
