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Added support for polyconic projections
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547d7a5f23
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@ -106,6 +106,7 @@ HEADERS += src/common/config.h \
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src/map/IMG/textpathitem.h \
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src/map/IMG/textpointitem.h \
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src/map/bsbmap.h \
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src/map/polyconic.h \
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src/map/projection.h \
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src/map/ellipsoid.h \
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src/map/datum.h \
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@ -281,6 +282,7 @@ SOURCES += src/main.cpp \
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src/map/downloader.cpp \
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src/map/emptymap.cpp \
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src/map/ozimap.cpp \
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src/map/polyconic.cpp \
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src/map/tar.cpp \
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src/map/atlas.cpp \
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src/map/ozf.cpp \
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@ -1887,6 +1887,7 @@ CI1971 / Chatham Islands Map Grid,5518,4672,5517,9001,9807,4500,8801,-44,9110,88
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CI1979 / Chatham Islands Map Grid,5519,4673,5517,9001,9807,4500,8801,-44,9110,8802,-176.3,9110,8805,1,9201,8806,350000,9001,8807,650000,9001,,,,,,
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DHDN / 3-degree Gauss-Kruger zone 1,5520,4314,16261,9001,9807,4530,8801,0,9102,8802,3,9102,8805,1,9201,8806,1500000,9001,8807,0,9001,,,,,,
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WGS 84 / Gabon TM 2011,5523,4326,5522,9001,9807,4499,8801,0,9102,8802,11.3,9110,8805,0.9996,9201,8806,1500000,9001,8807,5500000,9001,,,,,,
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SAD69(96) / Brazil Polyconic,5530,5527,19941,9001,9818,4499,8801,0,9102,8802,-54,9102,8806,5000000,9001,8807,10000000,9001,,,,,,,,,
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SAD69(96) / UTM zone 21S,5531,5527,16121,9001,9807,4400,8801,0,9102,8802,-57,9102,8805,0.9996,9201,8806,500000,9001,8807,10000000,9001,,,,,,
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SAD69(96) / UTM zone 22S,5532,4618,16122,9001,9807,4400,8801,0,9102,8802,-51,9102,8805,0.9996,9201,8806,500000,9001,8807,10000000,9001,,,,,,
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SAD69(96) / UTM zone 23S,5533,5527,16123,9001,9807,4400,8801,0,9102,8802,-45,9102,8805,0.9996,9201,8806,500000,9001,8807,10000000,9001,,,,,,
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@ -1970,6 +1971,7 @@ SAD69(96) / UTM zone 18S,5875,5527,16118,9001,9807,4400,8801,0,9102,8802,-75,910
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SAD69(96) / UTM zone 19S,5876,5527,16119,9001,9807,4400,8801,0,9102,8802,-69,9102,8805,0.9996,9201,8806,500000,9001,8807,10000000,9001,,,,,,
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SAD69(96) / UTM zone 20S,5877,5527,16120,9001,9807,4400,8801,0,9102,8802,-63,9102,8805,0.9996,9201,8806,500000,9001,8807,10000000,9001,,,,,,
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Cadastre 1997 / UTM zone 38S,5879,4475,16138,9001,9807,4400,8801,0,9102,8802,45,9102,8805,0.9996,9201,8806,500000,9001,8807,10000000,9001,,,,,,
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SIRGAS 2000 / Brazil Polyconic,5880,4674,19941,9001,9818,4499,8801,0,9102,8802,-54,9102,8806,5000000,9001,8807,10000000,9001,,,,,,,,,
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WGS 84 / EPSG Arctic Regional zone A1,5921,4326,5906,9001,9802,4400,8821,81.19020136,9110,8822,-111,9102,8823,85,9102,8824,77,9102,8826,0,9001,8827,0,9001,,,
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WGS 84 / EPSG Arctic Regional zone A2,5922,4326,5907,9001,9802,4400,8821,81.19020136,9110,8822,-39,9102,8823,85,9102,8824,77,9102,8826,0,9001,8827,0,9001,,,
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WGS 84 / EPSG Arctic Regional zone A3,5923,4326,5908,9001,9802,4400,8821,81.19020136,9110,8822,33,9102,8823,85,9102,8824,77,9102,8826,0,9001,8827,0,9001,,,
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@ -3046,6 +3048,8 @@ Pulkovo 1942 / Gauss-Kruger 32N,28492,4284,16332,9001,9807,4530,8801,0,9102,8802
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Qatar 1974 / Qatar National Grid,28600,4285,19919,9001,9807,4400,8801,24.27,9110,8802,51.13,9110,8805,0.99999,9201,8806,200000,9001,8807,300000,9001,,,,,,
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Amersfoort / RD Old,28991,4289,19913,9001,9809,4499,8801,52.0922178,9110,8802,5.23155,9110,8805,0.9999079,9201,8806,0,9001,8807,0,9001,,,,,,
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Amersfoort / RD New,28992,4289,19914,9001,9809,4499,8801,52.0922178,9110,8802,5.23155,9110,8805,0.9999079,9201,8806,155000,9001,8807,463000,9001,,,,,,
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SAD69 / Brazil Polyconic,29100,4291,19941,9001,9818,4499,8801,0,9102,8802,-54,9102,8806,5000000,9001,8807,10000000,9001,,,,,,,,,
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SAD69 / Brazil Polyconic,29101,4618,19941,9001,9818,4499,8801,0,9102,8802,-54,9102,8806,5000000,9001,8807,10000000,9001,,,,,,,,,
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SAD69 / UTM zone 18N,29118,4291,16018,9001,9807,4400,8801,0,9102,8802,-75,9102,8805,0.9996,9201,8806,500000,9001,8807,0,9001,,,,,,
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SAD69 / UTM zone 19N,29119,4291,16019,9001,9807,4400,8801,0,9102,8802,-69,9102,8805,0.9996,9201,8806,500000,9001,8807,0,9001,,,,,,
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SAD69 / UTM zone 20N,29120,4291,16020,9001,9807,4400,8801,0,9102,8802,-63,9102,8805,0.9996,9201,8806,500000,9001,8807,0,9001,,,,,,
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Can't render this file because it is too large.
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@ -315,6 +315,9 @@ bool BSBMap::createProjection(const QString &datum, const QString &proj,
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} else if (!proj.compare("LAMBERT CONFORMAL CONIC", Qt::CaseInsensitive)) {
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Projection::Setup setup(0, params[0], NAN, 0, 0, params[2], params[3]);
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pcs = PCS(gcs, 9802, setup, 9001);
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} else if (!proj.compare("POLYCONIC", Qt::CaseInsensitive)) {
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Projection::Setup setup(0, params[0], NAN, 0, 0, NAN, NAN);
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pcs = PCS(gcs, 9818, setup, 9001);
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} else {
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_errorString = proj + ": Unknown/missing projection";
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return false;
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@ -55,6 +55,7 @@
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#define CT_AlbersEqualArea 11
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#define CT_PolarStereographic 15
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#define CT_ObliqueStereographic 16
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#define CT_Polyconic 22
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#define IS_SET(map, key) \
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@ -344,6 +345,8 @@ Projection::Method GeoTIFF::method(QMap<quint16, Value> &kv)
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return Projection::Method(9829);
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case CT_ObliqueStereographic:
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return Projection::Method(9809);
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case CT_Polyconic:
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return Projection::Method(9818);
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default:
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_errorString = QString("%1: unknown coordinate transformation method")
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.arg(kv.value(ProjCoordTransGeoKey).SHORT);
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@ -190,6 +190,8 @@ bool MapFile::createProjection(const GCS *gcs, const QString &name,
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pcs = PCS(gcs, 9822, setup, 9001);
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else if (name == "(A)Lambert Azimuthual Equal Area")
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pcs = PCS(gcs, 9820, setup, 9001);
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else if (name == "Polyconic (American)")
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pcs = PCS(gcs, 9818, setup, 9001);
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else if (name == "(NZTM2) New Zealand TM 2000")
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pcs = PCS(gcs, 9807, Projection::Setup(0, 173.0, 0.9996, 1600000,
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10000000, NAN, NAN), 9001);
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211
src/map/polyconic.cpp
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211
src/map/polyconic.cpp
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@ -0,0 +1,211 @@
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/*
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* Based on libgeotrans with the following Source Code Disclaimer:
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1. The GEOTRANS source code ("the software") is provided free of charge by
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the National Imagery and Mapping Agency (NIMA) of the United States
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Department of Defense. Although NIMA makes no copyright claim under Title 17
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U.S.C., NIMA claims copyrights in the source code under other legal regimes.
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NIMA hereby grants to each user of the software a license to use and
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distribute the software, and develop derivative works.
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2. Warranty Disclaimer: The software was developed to meet only the internal
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requirements of the U.S. National Imagery and Mapping Agency. The software
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is provided "as is," and no warranty, express or implied, including but not
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limited to the implied warranties of merchantability and fitness for
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particular purpose or arising by statute or otherwise in law or from a
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course of dealing or usage in trade, is made by NIMA as to the accuracy and
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functioning of the software.
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3. NIMA and its personnel are not required to provide technical support or
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general assistance with respect to the software.
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4. Neither NIMA nor its personnel will be liable for any claims, losses, or
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damages arising from or connected with the use of the software. The user
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agrees to hold harmless the United States National Imagery and Mapping
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Agency. The user's sole and exclusive remedy is to stop using the software.
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5. NIMA requests that products developed using the software credit the
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source of the software with the following statement, "The product was
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developed using GEOTRANS, a product of the National Imagery and Mapping
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Agency and U.S. Army Engineering Research and Development Center."
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6. For any products developed using the software, NIMA requires a disclaimer
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that use of the software does not indicate endorsement or approval of the
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product by the Secretary of Defense or the National Imagery and Mapping
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Agency. Pursuant to the United States Code, 10 U.S.C. Sec. 2797, the name of
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the National Imagery and Mapping Agency, the initials "NIMA", the seal of
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the National Imagery and Mapping Agency, or any colorable imitation thereof
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shall not be used to imply approval, endorsement, or authorization of a
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product without prior written permission from United States Secretary of
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Defense.
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*/
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#include "ellipsoid.h"
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#include "polyconic.h"
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#define POLY_COEFF_TIMES_SIN(coeff, x, latit) \
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(coeff * (sin (x * latit)))
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#define POLY_M(c0lat, c1s2lat, c2s4lat, c3s6lat) \
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(_a * (c0lat - c1s2lat + c2s4lat - c3s6lat))
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#define FLOAT_EQ(x, v, epsilon) \
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(((v - epsilon) < x) && (x < (v + epsilon)))
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Polyconic::Polyconic(const Ellipsoid *ellipsoid, double latitudeOrigin,
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double longitudeOrigin, double falseEasting, double falseNorthing)
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{
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double j, three_es4;
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double lat, sin2lat, sin4lat, sin6lat;
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double a2;
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double b2;
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_longitudeOrigin = deg2rad(longitudeOrigin);
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_latitudeOrigin = deg2rad(latitudeOrigin);
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_a = ellipsoid->radius();
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_b = ellipsoid->b();
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if (_longitudeOrigin > M_PI)
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_longitudeOrigin -= 2 * M_PI;
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_falseNorthing = falseNorthing;
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_falseEasting = falseEasting;
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a2 = _a * _a;
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b2 = _b * _b;
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_es2 = (a2 - b2) / a2;
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_es4 = _es2 * _es2;
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_es6 = _es4 * _es2;
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j = 45.0 * _es6 / 1024.0;
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three_es4 = 3.0 * _es4;
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_c0 = 1.0 - _es2 / 4.0 - three_es4 / 64.0 - 5.0 * _es6 / 256.0;
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_c1 = 3.0 * _es2 / 8.0 + three_es4 / 32.0 + j;
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_c2 = 15.0 * _es4 / 256.0 + j;
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_c3 = 35.0 * _es6 / 3072.0;
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lat = _c0 * _latitudeOrigin;
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sin2lat = POLY_COEFF_TIMES_SIN(_c1, 2.0, _latitudeOrigin);
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sin4lat = POLY_COEFF_TIMES_SIN(_c2, 4.0, _latitudeOrigin);
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sin6lat = POLY_COEFF_TIMES_SIN(_c3, 6.0, _latitudeOrigin);
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_M0 = POLY_M(lat, sin2lat, sin4lat, sin6lat);
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}
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PointD Polyconic::ll2xy(const Coordinates &c) const
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{
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double Longitude = deg2rad(c.lon());
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double Latitude = deg2rad(c.lat());
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double slat = sin(Latitude);
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double lat, sin2lat, sin4lat, sin6lat;
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double dlam;
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double NN;
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double NN_OVER_tlat;
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double MM;
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double EE;
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dlam = Longitude - _longitudeOrigin;
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if (dlam > M_PI)
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dlam -= 2 * M_PI;
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if (dlam < -M_PI)
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dlam += 2 * M_PI;
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if (Latitude == 0.0) {
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return PointD(_a * dlam + _falseEasting,
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-_M0 + _falseNorthing);
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} else {
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NN = _a / sqrt(1.0 - _es2 * (slat * slat));
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NN_OVER_tlat = NN / tan(Latitude);
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lat = _c0 * Latitude;
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sin2lat = POLY_COEFF_TIMES_SIN(_c1, 2.0, Latitude);
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sin4lat = POLY_COEFF_TIMES_SIN(_c2, 4.0, Latitude);
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sin6lat = POLY_COEFF_TIMES_SIN(_c3, 6.0, Latitude);
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MM = POLY_M(lat, sin2lat, sin4lat, sin6lat);
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EE = dlam * slat;
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return PointD(NN_OVER_tlat * sin(EE) + _falseEasting,
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MM - _M0 + NN_OVER_tlat * (1.0 - cos(EE)) + _falseNorthing);
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}
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}
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Coordinates Polyconic::xy2ll(const PointD &p) const
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{
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double dx;
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double dy;
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double dx_OVER_Poly_a;
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double AA;
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double BB;
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double CC = 0.0;
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double PHIn, Delta_PHI = 1.0;
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double sin_PHIn;
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double PHI, sin2PHI, sin4PHI, sin6PHI;
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double Mn, Mn_prime, Ma;
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double AA_Ma;
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double Ma2_PLUS_BB;
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double AA_MINUS_Ma;
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double tolerance = 1.0e-12;
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double Latitude;
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double Longitude;
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dy = p.y() - _falseNorthing;
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dx = p.x() - _falseEasting;
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dx_OVER_Poly_a = dx / _a;
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if (FLOAT_EQ(dy,-_M0,1)) {
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Latitude = 0.0;
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Longitude = dx_OVER_Poly_a + _longitudeOrigin;
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} else {
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AA = (_M0 + dy) / _a;
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BB = dx_OVER_Poly_a * dx_OVER_Poly_a + (AA * AA);
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PHIn = AA;
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while (fabs(Delta_PHI) > tolerance) {
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sin_PHIn = sin(PHIn);
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CC = sqrt(1.0 - _es2 * sin_PHIn * sin_PHIn) * tan(PHIn);
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PHI = _c0 * PHIn;
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sin2PHI = POLY_COEFF_TIMES_SIN(_c1, 2.0, PHIn);
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sin4PHI = POLY_COEFF_TIMES_SIN(_c2, 4.0, PHIn);
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sin6PHI = POLY_COEFF_TIMES_SIN(_c3, 6.0, PHIn);
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Mn = POLY_M(PHI, sin2PHI, sin4PHI, sin6PHI);
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Mn_prime = _c0 - 2.0 * _c1 * cos(2.0 * PHIn) + 4.0 * _c2
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* cos(4.0 * PHIn) - 6.0 * _c3 * cos(6.0 * PHIn);
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Ma = Mn / _a;
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AA_Ma = AA * Ma;
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Ma2_PLUS_BB = Ma * Ma + BB;
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AA_MINUS_Ma = AA - Ma;
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Delta_PHI = (AA_Ma * CC + AA_MINUS_Ma - 0.5 * (Ma2_PLUS_BB) * CC) /
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(_es2 * sin2PHI * (Ma2_PLUS_BB - 2.0 * AA_Ma) / 4.0 * CC
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+ (AA_MINUS_Ma) * (CC * Mn_prime - 2.0 / sin2PHI) - Mn_prime);
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PHIn -= Delta_PHI;
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}
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Latitude = PHIn;
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if (Latitude > M_PI_2)
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Latitude = M_PI_2;
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else if (Latitude < -M_PI_2)
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Latitude = -M_PI_2;
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if (FLOAT_EQ(fabs(Latitude), M_PI_2, 0.00001) || (Latitude == 0))
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Longitude = _longitudeOrigin;
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else
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Longitude = (asin(dx_OVER_Poly_a * CC)) / sin(Latitude)
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+ _longitudeOrigin;
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}
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if (Longitude > M_PI)
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Longitude -= 2 * M_PI;
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if (Longitude < -M_PI)
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Longitude += 2 *M_PI;
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if (Longitude > M_PI)
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Longitude = M_PI;
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else if (Longitude < -M_PI)
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Longitude = -M_PI;
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return Coordinates(rad2deg(Longitude), rad2deg(Latitude));
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}
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bool Polyconic::operator==(const CT &ct) const
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{
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const Polyconic *other = dynamic_cast<const Polyconic*>(&ct);
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return (other != 0 && _a == other->_a && _b == other->_b
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&& _latitudeOrigin == other->_latitudeOrigin
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&& _longitudeOrigin == other->_longitudeOrigin
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&& _falseNorthing == other->_falseNorthing
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&& _falseEasting == other->_falseEasting);
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}
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37
src/map/polyconic.h
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37
src/map/polyconic.h
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#ifndef POLYCONIC_H
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#define POLYCONIC_H
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#include "ct.h"
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class Ellipsoid;
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class Polyconic : public CT
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{
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public:
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Polyconic(const Ellipsoid *ellipsoid, double latitudeOrigin,
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double longitudeOrigin, double falseEasting, double falseNorthing);
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virtual CT *clone() const {return new Polyconic(*this);}
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virtual bool operator==(const CT &ct) const;
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virtual PointD ll2xy(const Coordinates &c) const;
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virtual Coordinates xy2ll(const PointD &p) const;
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private:
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double _a;
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double _b;
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double _es2;
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double _es4;
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double _es6;
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double _M0;
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double _c0;
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double _c1;
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double _c2;
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double _c3;
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double _longitudeOrigin;
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double _latitudeOrigin;
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double _falseEasting;
|
||||
double _falseNorthing;
|
||||
};
|
||||
|
||||
#endif // POLYCONIC_H
|
||||
@ -8,6 +8,7 @@
|
||||
#include "krovak.h"
|
||||
#include "polarstereographic.h"
|
||||
#include "obliquestereographic.h"
|
||||
#include "polyconic.h"
|
||||
#include "latlon.h"
|
||||
#include "gcs.h"
|
||||
#include "pcs.h"
|
||||
@ -25,6 +26,7 @@ Projection::Method::Method(int id)
|
||||
case 9807:
|
||||
case 9809:
|
||||
case 9815:
|
||||
case 9818:
|
||||
case 9819:
|
||||
case 9820:
|
||||
case 9822:
|
||||
@ -85,6 +87,11 @@ Projection::Projection(const PCS *pcs) : _gcs(0), _ct(0), _geographic(false)
|
||||
setup.longitudeOrigin(), setup.scale(), setup.falseEasting(),
|
||||
setup.falseNorthing());
|
||||
break;
|
||||
case 9818:
|
||||
_ct = new Polyconic(ellipsoid, setup.latitudeOrigin(),
|
||||
setup.longitudeOrigin(), setup.falseEasting(),
|
||||
setup.falseNorthing());
|
||||
break;
|
||||
case 9819:
|
||||
_ct = new Krovak(ellipsoid, setup.standardParallel1(),
|
||||
setup.standardParallel2(), setup.scale(), setup.latitudeOrigin(),
|
||||
|
||||
Loading…
Reference in New Issue
Block a user