Merge GH-1621 (Set reference point correctly)

Author: dg0yt

src/fileformats/ocd_georef_fields.cpp

@@ -851,8 +851,8 @@ void OcdGeorefFields::setupGeoref(Georeferencing& georef,
 		applyGridAndZone(georef, i, warning_handler);
 
 	QPointF proj_ref_point(x, y);
-	georef.setProjectedRefPoint(proj_ref_point, false);
-	
+	georef.setProjectedRefPoint(proj_ref_point, false, false);
+	georef.setCombinedScaleFactor(1.0);
 	georef.setGrivation(qIsFinite(a) ? a : 0);
 }
 

src/fileformats/xml_file_format.cpp

@@ -593,7 +593,9 @@ bool XMLFileImporter::importImplementation()
 			auto georef = map->getGeoreferencing();
 			auto ref_point = MapCoordF { georef.getMapRefPoint() };
 			auto new_projected = georef.toProjectedCoords(ref_point + offset_f);
-			georef.setProjectedRefPoint(new_projected, false);
+			georef.setProjectedRefPoint(new_projected, false, false);
+			georef.setCombinedScaleFactor(georef.getCombinedScaleFactor()); // keep combined scale factor
+			georef.setGrivation(georef.getGrivation());  // keep grivation, update declination
 			map->setGeoreferencing(georef);
 		}
 	}

src/gdal/ogr_file_format.cpp

@@ -850,7 +850,9 @@ bool OgrFileImport::importImplementation()
 			auto georef = map->getGeoreferencing();
 			auto ref_point = MapCoordF { georef.getMapRefPoint() };
 			auto new_projected = georef.toProjectedCoords(ref_point + offset_f);
-			georef.setProjectedRefPoint(new_projected, false);
+			georef.setProjectedRefPoint(new_projected, false, false);
+			georef.setCombinedScaleFactor(georef.getCombinedScaleFactor()); // keep combined scale factor
+			georef.setGrivation(georef.getGrivation());  // keep grivation, update declination
 			map->setGeoreferencing(georef);
 		}
 	}
@@ -970,7 +972,8 @@ ogr::unique_srs OgrFileImport::importGeoreferencing(OGRDataSourceH data_source)
 		                             QString::fromLatin1("+proj=ortho +datum=WGS84 +ellps=WGS84 +units=m +lat_0=%1 +lon_0=%2 +no_defs")
 		                             .arg(latitude, 0, 'f')
 		                             .arg(longitude, 0, 'f') );
-		ortho_georef.setProjectedRefPoint({}, false);
+		ortho_georef.setProjectedRefPoint({}, false, false);
+		ortho_georef.setCombinedScaleFactor(1.0);
 		ortho_georef.setDeclination(map->getGeoreferencing().getDeclination());
 		map->setGeoreferencing(ortho_georef);
 		return srsFromMap();

src/gdal/ogr_template.cpp

@@ -193,7 +193,9 @@ std::unique_ptr<Georeferencing> OgrTemplate::makeOrthographicGeoreferencing(cons
 		georef->setProjectedCRS(QString{},
 		                             QString::fromLatin1("+proj=ortho +datum=WGS84 +ellps=WGS84 +units=m +lat_0=%1 +lon_0=%2 +no_defs")
 		                             .arg(center.latitude()).arg(center.longitude()));
-		georef->setProjectedRefPoint({}, false);
+		georef->setProjectedRefPoint({}, false, false);
+		georef->setCombinedScaleFactor(1.0);
+		georef->setGrivation(0.0);
 	}
 	else
 	{
@@ -367,7 +369,9 @@ try
 					explicit_georef = std::make_unique<Georeferencing>();
 					explicit_georef->setScaleDenominator(int(map_georef.getScaleDenominator()));
 					explicit_georef->setProjectedCRS(QString{}, projected_crs_spec);
-					explicit_georef->setProjectedRefPoint({}, false);
+					explicit_georef->setProjectedRefPoint({}, false, false);
+					explicit_georef->setCombinedScaleFactor(1.0);
+					explicit_georef->setGrivation(0.0);
 				}
 			}
 		}

src/templates/template_image.cpp

@@ -235,6 +235,8 @@ bool TemplateImage::postLoadConfiguration(QWidget* dialog_parent, bool& out_cent
 				calculateGeoreferencing();
 				auto const center_pixel = MapCoordF(0.5 * (image.width() - 1), 0.5 * (image.height() - 1));
 				initial_georef.setProjectedRefPoint(georef->toProjectedCoords(center_pixel));
+				initial_georef.setCombinedScaleFactor(1.0);
+				initial_georef.setGrivation(0.0);
 			}
 
 			GeoreferencingDialog dialog(dialog_parent, map, &initial_georef, false);

src/templates/template_track.cpp

@@ -609,6 +609,8 @@ void TemplateTrack::applyProjectedCrsSpec()
 	georef.setScaleDenominator(int(map->getScaleDenominator()));
 	georef.setProjectedCRS(QString{}, projected_crs_spec);
 	georef.setProjectedRefPoint({});
+	georef.setCombinedScaleFactor(1.0);
+	georef.setGrivation(0.0);
 	track.changeMapGeoreferencing(georef);
 }
 

test/georef_ocd_mapping_t.cpp

@@ -266,7 +266,7 @@ private slots:
 		}
 
 		georef.setProjectedCRS(georef_result.crs_id, spec, crs_params);
-		georef.setProjectedRefPoint(georef_result.ref_point, false);
+		georef.setProjectedRefPoint(georef_result.ref_point, false, false);
 		georef.setScaleDenominator(georef_result.scale);
 		georef.setDeclination(georef_result.declination);
 		georef.setGrivation(georef_result.grivation);