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https://github.com/tumic0/GPXSee.git
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Added support for EPSG 21781 PCS (Swiss grid)
Fixed swapped LCC1 and LCC2 GeoTIFF coordinate transformation codes
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@ -21,7 +21,7 @@ Canton Astro 1966,4716,6716,9122,7022,8901,9603,298,-304,-375
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Cape,4222,6222,9122,7012,8901,9603,-136,-108,-292
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Cape Canaveral,4717,6717,9122,7008,8901,9603,-2,150,181
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Carthage,4223,6223,9122,7012,8901,9603,-263,6,431
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CH-1903,4149,6149,9122,7004,8901,9603,674,15,405
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CH-1903,4149,6149,9122,7004,8901,9603,674.374,15.056,405.343
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Chatham 1971,4672,6672,9122,7022,8901,9603,175,-38,113
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Chua Astro,4224,6224,9122,7022,8901,9603,-134,229,-29
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Corrego Alegre,4225,6225,9122,7022,8901,9603,-206,172,-6
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3577
pkg/csv/pcs.csv
3577
pkg/csv/pcs.csv
File diff suppressed because it is too large
Load Diff
@ -9,38 +9,56 @@
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#define TIFF_SHORT 3
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#define TIFF_LONG 4
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#define ModelPixelScaleTag 33550
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#define ModelTiepointTag 33922
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#define ModelTransformationTag 34264
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#define GeoKeyDirectoryTag 34735
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#define GeoDoubleParamsTag 34736
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#define ImageWidth 256
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#define ImageHeight 257
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#define ModelPixelScaleTag 33550
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#define ModelTiepointTag 33922
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#define ModelTransformationTag 34264
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#define GeoKeyDirectoryTag 34735
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#define GeoDoubleParamsTag 34736
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#define ImageWidth 256
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#define ImageHeight 257
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#define GTModelTypeGeoKey 1024
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#define GTRasterTypeGeoKey 1025
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#define GeographicTypeGeoKey 2048
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#define GeogGeodeticDatumGeoKey 2050
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#define GeogPrimeMeridianGeoKey 2051
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#define GeogAngularUnitsGeoKey 2054
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#define ProjectedCSTypeGeoKey 3072
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#define ProjectionGeoKey 3074
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#define ProjCoordTransGeoKey 3075
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#define ProjLinearUnitsGeoKey 3076
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#define ProjStdParallel1GeoKey 3078
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#define ProjStdParallel2GeoKey 3079
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#define ProjNatOriginLongGeoKey 3080
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#define ProjNatOriginLatGeoKey 3081
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#define ProjFalseEastingGeoKey 3082
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#define ProjFalseNorthingGeoKey 3083
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#define ProjScaleAtNatOriginGeoKey 3092
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#define GTModelTypeGeoKey 1024
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#define GTRasterTypeGeoKey 1025
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#define GeographicTypeGeoKey 2048
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#define GeogGeodeticDatumGeoKey 2050
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#define GeogPrimeMeridianGeoKey 2051
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#define GeogAngularUnitsGeoKey 2054
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#define ProjectedCSTypeGeoKey 3072
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#define ProjectionGeoKey 3074
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#define ProjCoordTransGeoKey 3075
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#define ProjLinearUnitsGeoKey 3076
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#define ProjStdParallel1GeoKey 3078
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#define ProjStdParallel2GeoKey 3079
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#define ProjNatOriginLongGeoKey 3080
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#define ProjNatOriginLatGeoKey 3081
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#define ProjFalseEastingGeoKey 3082
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#define ProjFalseNorthingGeoKey 3083
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#define ProjCenterLongGeoKey 3088
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#define ProjCenterLatGeoKey 3089
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#define ProjScaleAtNatOriginGeoKey 3092
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#define ProjScaleAtCenterGeoKey 3093
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#define ProjAzimuthAngleGeoKey 3094
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#define ProjRectifiedGridAngleGeoKey 3096
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#define ModelTypeProjected 1
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#define ModelTypeGeographic 2
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#define ModelTypeGeocentric 3
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#define CT_TransverseMercator 1
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#define CT_ObliqueMercator 3
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#define CT_Mercator 7
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#define CT_LambertConfConic_2SP 8
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#define CT_LambertConfConic_1SP 9
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#define CT_LambertAzimEqualArea 10
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#define CT_AlbersEqualArea 11
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#define ModelTypeProjected 1
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#define ModelTypeGeographic 2
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#define ModelTypeGeocentric 3
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#define IS_SET(map, key) \
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((map).contains(key) && (map).value(key).SHORT != 32767)
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#define TO_M(lu, val) \
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(std::isnan(val) ? val : (lu).toMeters(val))
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#define TO_DEG(au, val) \
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(std::isnan(val) ? val : (au).toDegrees(val))
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#define ARRAY_SIZE(a) \
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(sizeof(a) / sizeof(*a))
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@ -235,6 +253,11 @@ bool GeoTIFF::readKeys(TIFFFile &file, Ctx &ctx, QMap<quint16, Value> &kv) const
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case ProjFalseNorthingGeoKey:
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case ProjStdParallel1GeoKey:
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case ProjStdParallel2GeoKey:
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case ProjCenterLongGeoKey:
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case ProjCenterLatGeoKey:
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case ProjScaleAtCenterGeoKey:
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case ProjAzimuthAngleGeoKey:
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case ProjRectifiedGridAngleGeoKey:
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if (!readGeoValue(file, ctx.values, entry.ValueOffset,
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value.DOUBLE))
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return false;
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@ -297,17 +320,19 @@ Projection::Method GeoTIFF::method(QMap<quint16, Value> &kv)
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}
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switch (kv.value(ProjCoordTransGeoKey).SHORT) {
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case 1:
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case CT_TransverseMercator:
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return Projection::Method(9807);
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case 7:
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case CT_ObliqueMercator:
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return Projection::Method(9815);
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case CT_Mercator:
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return Projection::Method(1024);
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case 8:
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return Projection::Method(9801);
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case 9:
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case CT_LambertConfConic_2SP:
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return Projection::Method(9802);
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case 10:
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case CT_LambertConfConic_1SP:
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return Projection::Method(9801);
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case CT_LambertAzimEqualArea:
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return Projection::Method(9820);
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case 11:
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case CT_AlbersEqualArea:
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return Projection::Method(9822);
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default:
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_errorString = QString("%1: unknown coordinate transformation method")
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@ -341,6 +366,8 @@ bool GeoTIFF::projectedModel(QMap<quint16, Value> &kv)
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_projection = Projection(pcs->gcs(), pcs->method(), pcs->setup(),
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pcs->units());
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} else {
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double lat0, lon0, scale, fe, fn, sp1, sp2;
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const GCS *g = gcs(kv);
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if (!g)
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return false;
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@ -358,15 +385,47 @@ bool GeoTIFF::projectedModel(QMap<quint16, Value> &kv)
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return false;
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}
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Projection::Setup setup(
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au.toDegrees(kv.value(ProjNatOriginLatGeoKey).DOUBLE),
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au.toDegrees(kv.value(ProjNatOriginLongGeoKey).DOUBLE),
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kv.value(ProjScaleAtNatOriginGeoKey).DOUBLE,
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lu.toMeters(kv.value(ProjFalseEastingGeoKey).DOUBLE),
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lu.toMeters(kv.value(ProjFalseNorthingGeoKey).DOUBLE),
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au.toDegrees(kv.value(ProjStdParallel1GeoKey).DOUBLE),
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au.toDegrees(kv.value(ProjStdParallel2GeoKey).DOUBLE)
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);
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if (kv.contains(ProjNatOriginLatGeoKey))
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lat0 = kv.value(ProjNatOriginLatGeoKey).DOUBLE;
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else if (kv.contains(ProjCenterLatGeoKey))
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lat0 = kv.value(ProjCenterLatGeoKey).DOUBLE;
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else
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lat0 = NAN;
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if (kv.contains(ProjNatOriginLongGeoKey))
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lon0 = kv.value(ProjNatOriginLongGeoKey).DOUBLE;
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else if (kv.contains(ProjCenterLongGeoKey))
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lon0 = kv.value(ProjCenterLongGeoKey).DOUBLE;
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else
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lon0 = NAN;
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if (kv.contains(ProjScaleAtNatOriginGeoKey))
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scale = kv.value(ProjScaleAtNatOriginGeoKey).DOUBLE;
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else if (kv.contains(ProjScaleAtCenterGeoKey))
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scale = kv.value(ProjScaleAtCenterGeoKey).DOUBLE;
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else
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scale = NAN;
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if (kv.contains(ProjStdParallel1GeoKey))
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sp1 = kv.value(ProjStdParallel1GeoKey).DOUBLE;
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else if (kv.contains(ProjAzimuthAngleGeoKey))
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sp1 = kv.value(ProjAzimuthAngleGeoKey).DOUBLE;
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else
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sp1 = NAN;
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if (kv.contains(ProjStdParallel2GeoKey))
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sp2 = kv.value(ProjStdParallel2GeoKey).DOUBLE;
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else if (kv.contains(ProjRectifiedGridAngleGeoKey))
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sp2 = kv.value(ProjRectifiedGridAngleGeoKey).DOUBLE;
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else
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sp2 = NAN;
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if (kv.contains(ProjFalseNorthingGeoKey))
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fn = kv.value(ProjFalseNorthingGeoKey).DOUBLE;
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else
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fn = NAN;
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if (kv.contains(ProjFalseEastingGeoKey))
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fe = kv.value(ProjFalseEastingGeoKey).DOUBLE;
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else
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fe = NAN;
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Projection::Setup setup(TO_DEG(au, lat0), TO_DEG(au, lon0), scale,
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TO_M(lu, fe), TO_M(lu, fn), TO_DEG(au, sp1), TO_DEG(au, sp2));
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_projection = Projection(g, m, setup, lu);
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}
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@ -22,6 +22,7 @@ static bool parameter(int key, double val, int units, Projection::Setup &setup)
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{
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switch (key) {
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case 8801:
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case 8811:
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case 8821:
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{AngularUnits au(units);
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if (au.isNull())
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@ -29,6 +30,7 @@ static bool parameter(int key, double val, int units, Projection::Setup &setup)
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setup.setLatitudeOrigin(au.toDegrees(val));}
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return true;
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case 8802:
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case 8812:
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case 8822:
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{AngularUnits au(units);
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if (au.isNull())
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@ -36,9 +38,11 @@ static bool parameter(int key, double val, int units, Projection::Setup &setup)
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setup.setLongitudeOrigin(au.toDegrees(val));}
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return true;
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case 8805:
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case 8815:
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setup.setScale(val);
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return true;
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case 8806:
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case 8816:
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case 8826:
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{LinearUnits lu(units);
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if (lu.isNull())
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@ -46,18 +50,21 @@ static bool parameter(int key, double val, int units, Projection::Setup &setup)
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setup.setFalseEasting(lu.toMeters(val));}
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return true;
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case 8807:
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case 8817:
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case 8827:
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{LinearUnits lu(units);
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if (lu.isNull())
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return false;
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setup.setFalseNorthing(lu.toMeters(val));}
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return true;
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case 8813:
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case 8823:
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{AngularUnits au(units);
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if (au.isNull())
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return false;
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setup.setStandardParallel1(au.toDegrees(val));}
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return true;
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case 8814:
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case 8824:
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{AngularUnits au(units);
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if (au.isNull())
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@ -74,7 +81,7 @@ static int projectionSetup(const QList<QByteArray> &list,
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{
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bool r1, r2, r3;
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for (int i = 6; i < 24; i += 3) {
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for (int i = 6; i < 27; i += 3) {
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QString ks = list[i].trimmed();
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if (ks.isEmpty())
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break;
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@ -129,7 +136,7 @@ void PCS::loadList(const QString &path)
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QByteArray line = file.readLine();
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QList<QByteArray> list = line.split(',');
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if (list.size() != 24) {
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if (list.size() != 27) {
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qWarning("%s: %d: Format error", qPrintable(path), ln);
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continue;
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}
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@ -16,6 +16,7 @@ Projection::Method::Method(int id)
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case 9801:
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case 9802:
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case 9807:
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case 9815:
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case 9820:
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case 9822:
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case 9841:
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@ -32,23 +33,24 @@ Projection::Projection(const GCS *gcs, const Method &method, const Setup &setup,
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const Ellipsoid *ellipsoid = _gcs->datum().ellipsoid();
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switch (method.id()) {
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case 9807:
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_ct = new TransverseMercator(ellipsoid, setup.latitudeOrigin(),
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setup.longitudeOrigin(), setup.scale(), setup.falseEasting(),
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setup.falseNorthing());
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break;
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case 1024:
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case 9841:
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_ct = new Mercator();
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break;
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case 9801:
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case 9815: // Oblique mercator aproximation using LCC1
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_ct = new LambertConic1(ellipsoid, setup.latitudeOrigin(),
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setup.longitudeOrigin(), setup.scale(), setup.falseEasting(),
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setup.falseNorthing());
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break;
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case 9802:
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_ct = new LambertConic2(ellipsoid, setup.standardParallel1(),
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setup.standardParallel2(), setup.latitudeOrigin(),
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setup.longitudeOrigin(), setup.falseEasting(),
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setup.falseNorthing());
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break;
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case 9801:
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_ct = new LambertConic1(ellipsoid, setup.latitudeOrigin(),
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case 9807:
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_ct = new TransverseMercator(ellipsoid, setup.latitudeOrigin(),
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setup.longitudeOrigin(), setup.scale(), setup.falseEasting(),
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setup.falseNorthing());
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break;
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@ -66,6 +68,8 @@ Projection::Projection(const GCS *gcs, const Method &method, const Setup &setup,
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default:
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_ct = 0;
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}
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Q_ASSERT(_ct != 0);
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}
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Projection::Projection(const GCS *gcs) : _gcs(gcs), _geographic(true)
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