Types for Measurement Functions and Units¶
The following types are used as parameters and return values in functions related to measurement and for providing units. These types use fixed, numeric constants, which are defined here.
- globalmapper.GM_AreaUnits_t8¶
Surface area units
- Values:
GM_AREA_ACRES = 0
GM_AREA_HECTARES = 1
GM_AREA_SQ_FT = 2
GM_AREA_SQ_METERS = 3
GM_AREA_SQ_KM = 4
GM_AREA_SQ_MILES = 5
GM_AREA_NUM_TYPES = 6
- globalmapper.GM_BearingSense_t8¶
Bearing type value
- Values:
- GM_Bearing_TrueNorth = 0
Bearings displayed relative to true north
- GM_Bearing_MagNorth = 1
Bearings displayed relative to magetic north
- GM_Bearing_GridNorth = 2
Bearings displayed relative to grid north
- GM_Bearing_NumBearingSense = 3
Count of bearing values
GM_Bearing_Default = GM_Bearing_TrueNorth
- globalmapper.GM_CalcBearingFlags_t8¶
Flags to use when making a GM_CalcBearing call
- Values:
- GM_CalcBearing_LatLon = 0x01
The provided coordinates are latitude and longitude coordinates in the current datum rather than coordinates in the current projection
- GM_CalcBearing_TrueNorth = 0x00
The returned CalcBearing will be relative to true north (default)
- GM_CalcBearing_MagNorth = 0x02
The returned CalcBearing will be relative to magnetic north
- GM_CalcBearing_GridNorth = 0x04
The returned CalcBearing will be relative to grid north
- globalmapper.GM_DistUnits_t8¶
Distance units
- Values:
GM_DistUnit_Chains = 0
GM_DistUnit_Feet = 1
GM_DistUnit_Kilometers = 2
GM_DistUnit_Meters = 3
GM_DistUnit_Miles = 4
GM_DistUnit_Rods = 5
GM_DistUnit_Varas = 6
GM_DistUnit_Yards = 7
GM_DistUnit_NauticalMiles = 8
- GM_DistUnit_FeetInternational = 9
Non-linear units
- GM_DistUnit_Degrees = 10
Degrees of arc
- GM_DistUnit_PercentLen = 11
Percent of line length
- GM_DistUnit_Minutes = 12
Minutes of arc
- GM_DistUnit_Seconds = 13
Seconds of arc
Special values
GM_DistUnit_NumUnits = 14
- GM_DistUnit_LastValid = GM_DistUnit_NumUnits
Last valid unit
- GM_DistUnit_LastLinear = GM_DistUnit_Degrees
Last valid linear unit
- globalmapper.GM_ElevDisplayUnits_t8¶
Elevation units format
- Values:
- GM_ElevDisp_Native = 0
Display elevations in layer native units
- GM_ElevDisp_Metric = 1
Display elevations in metric units
- GM_ElevDisp_Statute = 2
Display elevations in statute (feet) units
GM_ElevDisp_NumTypes = 3
- globalmapper.GM_ElevUnits_t8¶
List of supported elevation units.
- Values:
GM_ElevUnit_Meters = 0
GM_ElevUnit_Decimeters = 1
GM_ElevUnit_Centimeters = 2
GM_ElevUnit_Millimeters = 3
GM_ElevUnit_Feet = 4
GM_ElevUnit_Decifeet = 5
GM_ElevUnit_Inches = 6
GM_ElevUnit_Centifeet = 7
GM_ElevUnit_Millifeet = 8
GM_ElevUnit_NumUnits = 9
Special values
- GM_ElevUnit_LastValid = GM_ElevUnit_NumUnits
Last valid unit
- GM_ElevUnit_Unknown = -1
Unknown/unspecified units
- globalmapper.GM_LinearUnits_t8¶
Linear distance units
- Values:
GM_LINEAR_METRIC = 0
GM_LINEAR_NAUTICAL = 1
GM_LINEAR_STATUTE = 2
GM_LINEAR_CHAINS = 3
GM_LINEAR_YARDS = 4
GM_LINEAR_INTERNATIONAL_FEET = 5
GM_LINEAR_VARAS = 6
GM_LINEAR_RODS = 7
GM_LINEAR_NUM_TYPES = 8
- globalmapper.GM_MeasureUnitSwitch_t8¶
Control types for which kind of units to use in measurements
- Values:
- GM_MEASURE_AUTO = 0
Automatically switch to larger unit (like kilometers) for larger values
- GM_MEASURE_USE_BASE = 1
Always use the base units (like meters for metric and feet for statute)
- GM_MEASURE_USE_LARGE = 2
Always use larger units (like kilometers for metric and miles for statute)
GM_MEASURE_SWITCH_NUM_TYPES = 3
- globalmapper.GM_Slope_t8¶
Different ways of specifying slope
- Values:
- GM_Slope_Degrees = 0
Slope in degrees
- GM_Slope_Radians = 1
Slope in radians
- GM_Slope_Percent = 2
Percent slope
- GM_Slope_RiseRun = 3
Raw slope as rise / run. Same as percent slope / 100
- GM_Slope_OneInXXX = 4
Slope expressed as 1 part in XXX. A value of 4 means 1 part in 4, or 25% slope
GM_Slope_NumTypes = 5
- globalmapper.GM_SlopeAlg_t8¶
Slope calculation algorithm to use
- Values:
- GM_SlopeAlg_Combined4 = 0
Combined X and Y slope using 4 non-diagonal neighbor cells [slope = sqrt( Xslope * Xslope + Yslope * Yslope)]
- GM_SlopeAlg_Combined8 = 1
Combined X and Y slope using all 8 neighbor cells [slope = sqrt( Xslope * Xslope + Yslope * Yslope)]
- GM_SlopeAlg_Max4 = 2
Maximum slope of the slope from cell to each of 4 non-diagonal neighbor cells
- GM_SlopeAlg_Max8 = 3
Maximum slope of the slope from cell to each of 8 neighbor cells
GM_SlopeAlg_NumTypes = 4
- GM_SlopeAlg_Default = GM_SlopeAlg_Combined4
Default to the fast method we’ve been using for a long time
- globalmapper.GM_SpeedUnits_t8¶
Velocity measurement units
- Values:
- GM_SPEED_AUTO = 0
Automatic based on distance units
GM_SPEED_MPH = 1
GM_SPEED_KPH = 2
GM_SPEED_KNOTS = 3
- GM_SPEED_MPS = 4
Meters per second
GM_SPEED_NUM_TYPES = 5
- globalmapper.GM_VolumeUnits_t8¶
Three-dimensional volume units
- Values:
GM_VOLUME_CUBIC_FEET = 0
GM_VOLUME_CUBIC_METERS = 1
GM_VOLUME_CUBIC_YARDS = 2
GM_VOLUME_GALLONS = 3
GM_VOLUME_ACRE_FEET = 4
GM_VOLUME_ACRE_INCHES = 5
GM_VOLUME_BARRELS = 6
GM_VOLUME_BARRELS_OIL = 7
GM_VOLUME_NUM_TYPES = 8
- globalmapper.DATUM¶
Standard datums which can be used in GlobalMapper
- Values:
GM_DATUM_ADINDAN = 0
GM_DATUM_ARC1950 = 1
GM_DATUM_ARC1960 = 2
GM_DATUM_AUSTRALIAN_GEODETIC_1966 = 3
GM_DATUM_AUSTRALIAN_GEODETIC_1984 = 4
GM_DATUM_CAMP_AREA_ASTRO = 5
GM_DATUM_CAPE = 6
GM_DATUM_EUROPEAN_DATUM_1950 = 7
GM_DATUM_EUROPEAN_DATUM_1979 = 8
GM_DATUM_GEODETIC_DATUM_1949 = 9
GM_DATUM_HONG_KONG_1963 = 10
GM_DATUM_HU_TZU_SHAN = 11
GM_DATUM_INDIAN_1954 = 12
GM_DATUM_NAD27_CONUS = 13
GM_DATUM_NAD83 = 14
GM_DATUM_OLD_HAWAIIAN_MEAN = 15
GM_DATUM_OMAN = 16
GM_DATUM_ORDNANCE_SURVEY_1936 = 17
GM_DATUM_PUERTO_RICO = 18
- GM_DATUM_PULKOVO_1942 = 19
Pulkovo 1942 (S-42)
GM_DATUM_PROVISIONAL_S_AMERICAN_1956 = 20
GM_DATUM_TOKYO = 21
GM_DATUM_WGS_72 = 22
GM_DATUM_WGS_84 = 23
GM_DATUM_NAD27_ALASKA = 24
GM_DATUM_NAD27_ALEUTIANS_EAST = 25
GM_DATUM_NAD27_ALEUTIANS_WEST = 26
- GM_DATUM_NAD27_YPG = 27
Yuma Proving Ground custom NAD27
- GM_DATUM_CH1903 = 28
Swiss Grid CH1903 Datum
- GM_DATUM_EGYPT_1907 = 29
Old Egyptian 1907
- GM_DATUM_SOUTH_AMERICA_1969 = 30
South America 1969
- GM_DATUM_RT90 = 31
RT90 (Swedish Grid)
- GM_DATUM_GUAM_1963 = 32
Guam 1963
- GM_DATUM_POTSDAM = 33
Potsdam (Germany) datum
- GM_DATUM_MGI_AUSTRIA = 34
MGI Austria datum
- GM_DATUM_GDA94 = 35
Geocentric Datum of Australia 1994
- GM_DATUM_INDIAN_1975 = 36
Indian 1975
- GM_DATUM_NZGD_2000 = 37
New Zealand Geodetic Datum 2000
- GM_DATUM_NAHRWAN = 38
Nahrwan 1929 (United Arab Emirates)
- GM_DATUM_S_42_HUNGARY = 39
S-42 (Pulkovo 1942) - Hungary
- GM_DATUM_S_42_POLAND = 40
S-42 (Pulkovo 1942) - Poland
- GM_DATUM_S_42_CZECH = 41
S-42 (Pulkovo 1942) - Czechoslavakia
- GM_DATUM_S_42_LATVIA = 42
S-42 (Pulkovo 1942) - Latvia
- GM_DATUM_S_42_KAZAKHSTAN = 43
S-42 (Pulkovo 1942) - Kazakhstan
- GM_DATUM_S_42_ALBANIA = 44
S-42 (Pulkovo 1942) - Albania
- GM_DATUM_S_42_ROMANIA = 45
S-42 (Pulkovo 1942) - Romania
- GM_DATUM_D_48_SLOVENIA = 46
D-48 - Slovenia
- GM_DATUM_NAD27_CANADA = 47
NAD27 (mean over Canada)
- GM_DATUM_MINNA_CAMEROON = 48
Minna - Cameroon
- GM_DATUM_MINNA_NIGERIA = 49
Minna - Nigeria
- GM_DATUM_DUTCH = 50
Dutch RD (Netherlands)
- GM_DATUM_ZANDERIJ = 51
Zanderij - Suriname
- GM_DATUM_FINLAND_HAYFORD = 52
Finland/Hayford
- GM_DATUM_BEIJING_1954 = 53
Beijing 1954
- GM_DATUM_NGO_1948_GREENWICH = 54
NGO 1948 (Greenwich Meridian)
- GM_DATUM_NTF_FRANCE_GREENWICH = 55
NTF France (Greenwich Meridian)
- GM_DATUM_CHAD_WG1998 = 56
Chad WG1998
- GM_DATUM_HJORSEY_1955 = 57
Hjorsey 1955
- GM_DATUM_BOGOTA_OBSERVATORY = 58
Bogota Observatory
- GM_DATUM_SCHWARZECK = 59
Schwarzeck - Namibia
- GM_DATUM_NORTH_SAHARA_1959 = 60
North Sahara 1959
- GM_DATUM_REUNION_ISLAND = 61
Reunion Island
- GM_DATUM_IRELAND_1965 = 62
Ireland 1965
- GM_DATUM_AIN_EL_ABD_BAHRAIN = 63
Ain El Abd (Bahrain)
GM_DATUM_AIN_EL_ABD_SAUDI_ARABIA,// = 64
- GM_DATUM_LUZON = 65
Luzon (Phillipines)
- GM_DATUM_CARTHAGE = 66
Carthage (Tunisia)
- GM_DATUM_MERCHICH = 67
Merchich (Morocco)
- GM_DATUM_NAD27_MEXICO = 68
NAD27 (mean over Mexico)
- GM_DATUM_ED50_ENGLAND = 69
ED50 - England (EUR_K)
- GM_DATUM_ED50_FINLAND_NORWAY = 70
ED50 - Finland and Norway (EUR_C)
- GM_DATUM_ED50_GREECE = 71
ED50 - Greece (EUR_B)
- GM_DATUM_ED50_SICILY = 72
ED50 - Italy (Sicily) (EUR_J)
- GM_DATUM_ED50_SPAIN_PORTUGAL = 73
ED50 - Spain and Portugal (EUR_D)
- GM_DATUM_ROME_1940 = 74
Rome 1940 (Monte Mario)
- GM_DATUM_KERTAU_1948 = 75
Kertau 1948
- GM_DATUM_LEIGON = 76
Leigon (Ghana)
- GM_DATUM_TIMBALAI_1948 = 77
Timbalai 1948
- GM_DATUM_ASTRO_B4_SOROL_ATOLL = 78
Astro B4 (Sorol Atoll)
- GM_DATUM_ASTRO_BEACON = 79
Astro Beacon
- GM_DATUM_ASTRO_DOS_71_4 = 80
Astro DOS 71/4
- GM_DATUM_ASTRONOMIC_STN_1952 = 81
Astronomic Station 1952
- GM_DATUM_EASTER_ISLAND_1967 = 82
Easter Island 1967
- GM_DATUM_HERMANNSKOGEL = 83
Hermannskogel
- GM_DATUM_INDIAN_BANGLADESH = 84
Indian (Bangladesh)
- GM_DATUM_INDIAN_MEAN_VALUE = 85
Indian (Mean)
- GM_DATUM_INDIAN_THAILAND = 86
Indian (Thailand)
- GM_DATUM_ISTS_073_ASTRO = 87
ISTS 073 Astro
- GM_DATUM_NAD27_BAHAMAS = 88
NAD27 (Bahamas)
- GM_DATUM_NAD27_CANAL_ZONE = 89
NAD27 (Canal Zone)
- GM_DATUM_NAD27_CARIBBEAN = 90
NAD27 (Caribbean)
- GM_DATUM_NAD27_CENTRAL = 91
NAD27 (Central America)
- GM_DATUM_NAD27_CUBA = 92
NAD27 (Cuba)
- GM_DATUM_NAD27_GREENLAND = 93
NAD27 (Greenland)
- GM_DATUM_NAD27_SAN_SALVADOR = 94
NAD27 (San Salvador)
- GM_DATUM_OBSERVATORIO_1966 = 95
Observatorio_1966
- GM_DATUM_PICO_DE_LAS_NIEVES = 96
Pico de las Nieves
- GM_DATUM_PORTUGESE_1973 = 97
Portugese 1973
- GM_DATUM_PROV_S_CHILEAN = 98
Provisional South Chilean (1963)
- GM_DATUM_QORNOQ = 99
Qornoq
- GM_DATUM_SAO_BRAZ = 100
Sao Braz
- GM_DATUM_SOUTHEAST_BASE = 101
Southeast Base
- GM_DATUM_SOUTHWEST_BASE = 102
Southwest Base
- GM_DATUM_KKJ = 103
KKJ (Finnish Grid)
- GM_DATUM_GGRS87 = 104
GGRS 1987 (Greek Grid)
- GM_DATUM_POINTE_NOIRE = 105
Pointe Noire 1948 (Congo)
- GM_DATUM_RGF_93 = 106
RGF-93 (France)
- GM_DATUM_CAMPO_INCHAUSPE = 107
Campo Inchauspe (Argentina)
- GM_DATUM_ETRS89 = 108
ETRS89 (coincident with WGS-84 within a meter)
- GM_DATUM_NTF_FRANCE_PARIS = 109
NTF France (Pantheon in Paris Meridian)
- GM_DATUM_HARTEBEESTHOEK94 = 110
Hartebeesthoek94 (South Africa)
- GM_DATUM_INDONESIA_1974 = 111
Indonesia 1974
- GM_DATUM_BUKIT_RIMPAH = 112
Bukit Rimpah
- GM_DATUM_NAD27 = 113
NAD27 - auto-selects best NAD27 specialization
- GM_DATUM_LUREF = 114
Luxembourg Reference Datum
- GM_DATUM_QND95 = 115
Qatar National Datum 1995
- GM_DATUM_OLD_ISRAELI = 116
Old Israeli Datum
- GM_DATUM_NEW_ISRAELI = 117
New Israeli Datum
- GM_DATUM_CORREGO_ALEGRE = 118
Corrego Alegre (Brazil)
- GM_DATUM_POSGAR94 = 119
Posgar 94 datum (Argentina)
- GM_DATUM_HD72 = 120
Hungarian datum 1972
- GM_DATUM_ATS77_NOVA_SCOTIA = 121
ATS77 (Average Terrestrial System 1977) - Nova Scotia
- GM_DATUM_INDIAN_NEPAL = 122
India (Nepal) - Everest 1956 ellipsoid
- GM_DATUM_YACARE = 123
Yacare (Uruguay)
- GM_DATUM_TANANARIVE_1925 = 124
Tananarive Observatory 1925 (Madagascar) (Greenwich PM)
- GM_DATUM_S_JTSK = 125
S-JTSK (Czech and Slovak Republics)
- GM_DATUM_GRS80_ELLIPSOID = 126
GRS80 Ellipsoid (equivalent to WGS84, included for confused users)
- GM_DATUM_KGD = 127
Korean Geodetic Datum (KGD)
- GM_DATUM_IRELAND_1975 = 128
Ireland 1965 with 1975 Adjustment
- GM_DATUM_DP1970 = 129
Dealul Piscului 1970
- GM_DATUM_LISBON_DLX = 130
Lisbon (DLx)
- GM_DATUM_SOLOMON_1968 = 131
Solomon 1968 (GUX 1 Astro)
- GM_DATUM_M_PORALOKO = 132
M’Poraloko (Gabon)
- GM_DATUM_GOOGLE_MAPS = 133
Google Maps datum (Sphere Radius 6378137 - has special relation to WGS84)
- GM_DATUM_BD72 = 134
BD72 (Belgium 1972)
- GM_DATUM_NGO_1948_OSLO = 135
NGO 1948 (Oslo Meridian)
- GM_DATUM_TANANARIVE_1925_PARIS = 136
Tananarive Observatory 1925 (Madagascar) (Paris PM)
- GM_DATUM_ARATU = 137
Aratu (Brazil Oil Exploration)
- GM_DATUM_CAMACUPA = 138
Camacupa
- GM_DATUM_JAD69 = 139
JAD69 (Jamaica 1969)
- GM_DATUM_JAD2001 = 140
JAD2001 (Jamaica 2001) [Equivalent to WGS84]
- GM_DATUM_EUROPEAN_DATUM_1987 = 141
ED87 (European Datum 1987)
- GM_DATUM_S_42_AZ_GEORGIA = 142
S-42 (Pulkovo 1942) (Azerbaijan and Georgia)
- GM_DATUM_S_42_ESTONIA = 143
S-42 (Pulkovo 1942) (Estonia)
- GM_DATUM_S_42_GERMANY = 144
S-42 (Pulkovo 1942) (Germany - Mecklenburg-Vorpommern and Sachsen-Anhalt)
- GM_DATUM_S_42_LITHUANIA = 145
S-42 (Pulkovo 1942) (Lithuania)
- GM_DATUM_S_42_RUSSIA = 146
S-42 (Pulkovo 1942) (Russia)
- GM_DATUM_IRENET95 = 147
Ireland IRENET95 datum
- GM_DATUM_PRS92 = 148
Philippine Reference System 1992
- GM_DATUM_MALONGO_1987 = 149
Malongo 1987
- GM_DATUM_SWEREF99 = 150
SWEREF99
- GM_DATUM_KOREAN_1985 = 151
Korean 1985
- GM_DATUM_KOREAN_1995 = 152
Korean 1995
- GM_DATUM_HERAT_NORTH = 153
Herat North
- GM_DATUM_DEIR_EZ_ZOR = 154
Deir ez Zor (Syria)
- GM_DATUM_EGYPT_GULF_OF_SUEZ = 155
Egypt Gulf of Suez S-650 TL
- GM_DATUM_JORDAN = 156
Jordan
- GM_DATUM_FD_1958 = 157
FD 1958 (Iraq)
- GM_DATUM_OCOTEPEQUE = 158
Ocotepeque (Costa Rica)
- GM_DATUM_ISN93 = 159
ISN93 (Island Network 1993) - Iceland
- GM_DATUM_REYKJAVIK_1900 = 160
Reykjavik 1900
- GM_DATUM_ESTONIA_1997 = 161
Estonia 1997
- GM_DATUM_TRINIDAD_1903 = 162
Trinidad 1903
- GM_DATUM_LKS92 = 163
LKS92 (Latvia)
- GM_DATUM_MODIS_SPHEROID = 164
Spheroid Used by MODIS Imagery
- GM_DATUM_ETRF_2000 = 165
ETRF2000 - RDN
- GM_DATUM_ROME_1940_ROME = 166
Rome 1940 (Monte Mario) - Rome Meridian
- GM_DATUM_NAPARIMA_1972 = 167
Naparima 1972 (Trinidad & Tobago)
- GM_DATUM_JGD2000 = 168
Japanese Geodetic Datum 2000
- GM_DATUM_SIRGAS_2000 = 169
SIRGAS 2000 (Brazil)
- GM_DATUM_CLARKE_1866_AUTHALIC = 170
Clarke 1866 Authalic Sphere
- GM_DATUM_RGNC91_93 = 171
RGNC91-93 (New Caledonia)
- GM_DATUM_IGN72_GRANDE_TERRE = 172
IGN72 Grande Terre (New Caledonia)
- GM_DATUM_BESSEL_1841 = 173
Bessel 1841 Ellipsoid (Greenwich Meridian)
- GM_DATUM_BESSEL_1841_GENOVA = 174
Bessel 1841 Ellipsoid (Genova Meridian)
GM_DATUM_BESSEL_1841_MONTE_MARIO,// = 175
- GM_DATUM_BESSEL_1841_CASTANEA_DELLE_FURIE = 176
Bessel 1841 Ellipsoid (Castanea delle Furie Meridian)
- GM_DATUM_PSD93 = 177
PSD93 (Oman)
GM_DATUM_NORTH_SAHARA_1959_HASSI,// = 178
- GM_DATUM_LA_CANOA = 179
La Canoa (Venezuela)
- GM_DATUM_NAD83_ITRF96 = 180
NAD83 (ITRF96)
- GM_DATUM_MGI_CROATIA_SERBIA = 181
MGI Croatia/Serbia datum
- GM_DATUM_MGI_SLOVENIA = 182
MGI Slovenia/Western Croatia datum
- GM_DATUM_HONG_KONG_1980 = 183
Hong Kong 1980 (HK80)
- GM_DATUM_AMERICAN_SAMOA_1962 = 184
American Samoa 1962
- GM_DATUM_POTSDAM_FERRO = 185
Potsdam/DHDN (Germany) datum with Ferro meridian
- GM_DATUM_GDM2000 = 186
GDM2000 (Geodetic Datum of Malaysia 2000)
- GM_DATUM_LOWRANCE = 187
Lowrance (Sphere Radius 6356752 m)
- GM_DATUM_NAD83_CSRS = 188
NAD83 (CSRS - Canadian Spatial Reference System)
- GM_DATUM_RGFG95 = 189
RGFG95
- GM_DATUM_RGR92 = 190
RGR92
- GM_DATUM_RGM04 = 191
RGM04
- GM_DATUM_RGSPM06 = 192
RGSPM06
- GM_DATUM_ED50_TURKEY = 193
ED50 (Turkey)
- GM_DATUM_GUADELOUPE_1948 = 194
Guadeloupe 1948 datum
- GM_DATUM_MARTINIQUE_1938 = 195
Martinique 1938 datum
- GM_DATUM_COMBANI_1950 = 196
Combani 1950 (Mayotte)
- GM_DATUM_CSJ67 = 197
CSJ67 (Guyane Francais)
- GM_DATUM_FORT_MARIGOT = 198
Fort Marigor (St. Maarten & St. Barthelemy Islands)
- GM_DATUM_XIAN_1980 = 199
Xi’an 1980 Datum (China)
- GM_DATUM_DEALUL_PISCULUI_1933 = 200
Dealul Piscului 1933 (Romania)
- GM_DATUM_LE_POUCE_1934 = 201
Le Pouce 1934 (Mauritius)
- GM_DATUM_VN_2000 = 202
VN-2000 (Vietnam)
- GM_DATUM_TETE = 203
Tete (Mozambique)
- GM_DATUM_POTSDAM_1983_FERRO = 204
Potsdam 1983 (Ferro Meridian)
- GM_DATUM_KRASOVSKY_ELLIPSOID = 205
Krasovsky Ellipsoid (unknown datum)
- GM_DATUM_NAD27_MICHIGAN = 206
NAD27 (Michigan) - special for old NAD27 Michigan State Plane zone
- GM_DATUM_INDIAN_1960 = 207
Indian 1960
- GM_DATUM_OSGB36_NTV2 = 208
OSGB36 transform using NTv2 Grid Shift only
- GM_DATUM_OSGB36_7PARAM = 209
OSGB36 transform using 7-parameter Grid Shift only
- GM_DATUM_TWD67 = 210
Taiwan Datum 1967
- GM_DATUM_CROATIA_HDKS = 211
Croatia HDKS Grid Shift
- GM_DATUM_SPHERE_6378137M = 212
Sphere Radius 6378137 meters
- GM_DATUM_STM1987 = 213
DNAG/STM1987 datum used for Geological Maps of North America. Not a true datum, like Authalic 1866 (see http://www.mail-archive.com/geonet@lists.geosoft.com/msg00545.html)
- GM_DATUM_QATAR_1974 = 214
Qatar 1974
- GM_DATUM_RT38 = 215
RT38 (Swedish Grid) - Greenwich Meridian
- GM_DATUM_RT38_STOCKHOLM = 216
RT38 (Swedish Grid) - Stockolm Meridian
- GM_DATUM_CH1903_PLUS = 217
CH1903+ (Swiss Grid)
- GM_DATUM_NAPARIMA_1955 = 218
Naparima 1955 (Trinidad & Tobago)
- GM_DATUM_CLARKE_1866_ELLIPSOID = 219
Clarke 1866 Ellipsoid
- GM_DATUM_CLARKE_1880_ELLIPSOID = 220
Clarke 1880 Ellipsoid
- GM_DATUM_BATAVIA = 221
Batavia (Indonesia)
- GM_DATUM_SPHERE_6371228M = 222
International 1924 Authalic Sphere (Sphere Radius 6371228)
- GM_DATUM_TWD97 = 223
Taiwan Datum 1997 (TWD97)
- GM_DATUM_JGD2011 = 224
Japanese Geodetic Datum 2011
- GM_DATUM_PNG94 = 225
PNG94 (Papua New Guinea Geodetic Datum 1994)
- GM_DATUM_CR05 = 226
Costa Rica 2005
- GM_DATUM_RDN2008 = 227
RDN2008 (Rete Dinamica Nazionale 2008)
- GM_DATUM_HTRS96 = 228
HTRS96 (Croatian Terrestrial Reference System)
- GM_DATUM_ACCRA = 229
Accra (Ghana)
- GM_DATUM_S_42_KAZAKHSTAN_CASPIAN = 230
S-42 (Pulkovo 1942) - Kazakhstan - Caspian Sea
- GM_DATUM_TUREF = 231
TUREF (Turkey)
- GM_DATUM_GDA2020 = 232
GDA 2020 (Australian Geodetic 2020)
- GM_DATUM_IGD05 = 233
Israeli Geodetic Datum 2005 (IGD05)
- GM_DATUM_IGD05_12 = 234
Israeli Geodetic Datum 2005(2012) (IGD05/12)
- GM_DATUM_IG05_12_INTERMEDIATE = 235
IG05/12 Intermediate Datum (Israel)
- GM_DATUM_HS2_IRF = 236
HS2 Intermediate Reference Frame (UK)
- GM_DATUM_LTF2004 = 237
Lyon Turin Ferroviaire 2004
- GM_DATUM_S_JTSK_FERRO = 238
S-JTSK (Czech and Slovak Republics)
- GM_DATUM_FIJI_1986 = 239
Fiji Geodetic Datum 1986
Child datums
GM_DATUM_CHILD_FIRST = 0x1000
- GM_DATUM_NAD83_ALABAMA = 0x1001
Alabama HPGN
- GM_DATUM_NAD83_ARIZONA = 0x1002
Arizona HPGN
- GM_DATUM_NAD83_ARKANSAS = 0x1003
Arkansas HPGN
GM_DATUM_NAD83_CALIFORNIA_NORTH = 0x1004
GM_DATUM_NAD83_CALIFORNIA_SOUTH = 0x1005
- GM_DATUM_NAD83_COLORADO = 0x1006
Colorado HPGN
- GM_DATUM_NAD83_FLORIDA = 0x1007
Florida HPGN
- GM_DATUM_NAD83_GEORGIA = 0x1008
Georgia HPGN
- GM_DATUM_NAD83_HAWAII = 0x1009
Hawaii HPGN
- GM_DATUM_NAD83_ILLINOIS = 0x100A
Illinois HPGN
- GM_DATUM_NAD83_INDIANA = 0x100B
Indiana HPGN
- GM_DATUM_NAD83_IOWA = 0x100C
Iowa HPGN
- GM_DATUM_NAD83_KANSAS = 0x100D
Kansas HPGN
- GM_DATUM_NAD83_KENTUCKY = 0x100E
Kentucky HPGN
- GM_DATUM_NAD83_LOUISIANA = 0x100F
Louisiana HPGN
- GM_DATUM_NAD83_MAINE = 0x1010
Maine HPGN
- GM_DATUM_NAD83_MARYLAND = 0x1011
Maryland-Delaware HPGN
- GM_DATUM_NAD83_MICHIGAN = 0x1012
Michigan HPGN
- GM_DATUM_NAD83_MINNESOTA = 0x1013
Minnesota HPGN
- GM_DATUM_NAD83_MISSISSIPPI = 0x1014
Mississippi HPGN
- GM_DATUM_NAD83_MISSOURI = 0x1015
Missouri HPGN
- GM_DATUM_NAD83_MONTANA_EAST = 0x1016
Montana East HPGN
- GM_DATUM_NAD83_MONTANA_WEST = 0x1017
Montana West/Idaho HPGN
- GM_DATUM_NAD83_NEBRASKA = 0x1018
Nebraska HPGN
- GM_DATUM_NAD83_NEVADA = 0x1019
Nevada HPGN
- GM_DATUM_NAD83_NEW_ENGLAND = 0x101A
New England HPGN
- GM_DATUM_NAD83_NEW_JERSEY = 0x101B
New Jersey HPGN
- GM_DATUM_NAD83_NEW_MEXICO = 0x101C
New Mexico HPGN
- GM_DATUM_NAD83_NEW_YORK = 0x101D
New York HPGN
- GM_DATUM_NAD83_NORTH_DAKOTA = 0x101E
North Dakota HPGN
- GM_DATUM_NAD83_OHIO = 0x101F
Ohio HPGN
- GM_DATUM_NAD83_OKLAHOMA = 0x1020
Oklahoma HPGN
- GM_DATUM_NAD83_PENNSYLVANIA = 0x1021
Pennsylvania HPGN
- GM_DATUM_NAD83_PUERTO_RICO = 0x1022
Puerto Rico/Virgin Islands HPGN
- GM_DATUM_NAD83_SOUTH_DAKOTA = 0x1023
South Dakota HPGN
- GM_DATUM_NAD83_TENNESSEE = 0x1024
Tennessee HPGN
- GM_DATUM_NAD83_TEXAS_EAST = 0x1025
Texas East HPGN
- GM_DATUM_NAD83_TEXAS_WEST = 0x1026
Texas West HPGN
- GM_DATUM_NAD83_UTAH = 0x1027
Utah HPGN
- GM_DATUM_NAD83_VIRGINIA = 0x1028
Virginia HPGN
- GM_DATUM_NAD83_WASHINGTON = 0x1029
Washington-Oregon HPGN
- GM_DATUM_NAD83_WEST_VIRGINIA = 0x102A
West Virginia HPGN
- GM_DATUM_NAD83_WISCONSIN = 0x102B
Wisconsin HPGN
- GM_DATUM_NAD83_WYOMING = 0x102C
Wyoming HPGN
- GM_DATUM_MN_ANOKA = 0x102D
Minnesota County Datum
- GM_DATUM_MN_BECKER = 0x102E
Minnesota County Datum
- GM_DATUM_MN_BELTRAMI_NORTH = 0x102F
Minnesota County Datum
- GM_DATUM_MN_BELTRAMI_SOUTH = 0x1030
Minnesota County Datum
- GM_DATUM_MN_BENTON = 0x1031
Minnesota County Datum
- GM_DATUM_MN_BIG_STONE = 0x1032
Minnesota County Datum
- GM_DATUM_MN_BLUE_EARTH = 0x1033
Minnesota County Datum
- GM_DATUM_MN_BROWN = 0x1034
Minnesota County Datum
- GM_DATUM_MN_CARLTON = 0x1035
Minnesota County Datum
- GM_DATUM_MN_CARVER = 0x1036
Minnesota County Datum
- GM_DATUM_MN_CASS_NORTH = 0x1037
Minnesota County Datum
- GM_DATUM_MN_CASS_SOUTH = 0x1038
Minnesota County Datum
- GM_DATUM_MN_CHIPPEWA = 0x1039
Minnesota County Datum
- GM_DATUM_MN_CHISAGO = 0x103A
Minnesota County Datum
- GM_DATUM_MN_COOK_NORTH = 0x103B
Minnesota County Datum
- GM_DATUM_MN_COOK_SOUTH = 0x103C
Minnesota County Datum
- GM_DATUM_MN_COTTONWOOD = 0x103D
Minnesota County Datum
- GM_DATUM_MN_CROW_WING = 0x103E
Minnesota County Datum
- GM_DATUM_MN_DAKOTA = 0x103F
Minnesota County Datum
- GM_DATUM_MN_DODGE = 0x1040
Minnesota County Datum
- GM_DATUM_MN_DOUGLAS = 0x1041
Minnesota County Datum
- GM_DATUM_MN_FARIBAULT = 0x1042
Minnesota County Datum
- GM_DATUM_MN_FILLMORE = 0x1043
Minnesota County Datum
- GM_DATUM_MN_FREEBORN = 0x1044
Minnesota County Datum
- GM_DATUM_MN_GOODHUE = 0x1045
Minnesota County Datum
- GM_DATUM_MN_GRANT = 0x1046
Minnesota County Datum
- GM_DATUM_MN_HENNEPIN = 0x1047
Minnesota County Datum
- GM_DATUM_MN_HOUSTON = 0x1048
Minnesota County Datum
- GM_DATUM_MN_ISANTI = 0x1049
Minnesota County Datum
- GM_DATUM_MN_ITASCA_NORTH = 0x104A
Minnesota County Datum
- GM_DATUM_MN_ITASCA_SOUTH = 0x104B
Minnesota County Datum
- GM_DATUM_MN_JACKSON = 0x104C
Minnesota County Datum
- GM_DATUM_MN_KANABEC = 0x104D
Minnesota County Datum
- GM_DATUM_MN_KANDIYOHI = 0x104E
Minnesota County Datum
- GM_DATUM_MN_KITTSON = 0x104F
Minnesota County Datum
- GM_DATUM_MN_KOOCHICHING = 0x1050
Minnesota County Datum
- GM_DATUM_MN_LAC_QUI_PARLE = 0x1051
Minnesota County Datum
- GM_DATUM_MN_LAKE_OF_THE_WOODS_NORTH = 0x1052
Minnesota County Datum
- GM_DATUM_MN_LAKE_OF_THE_WOODS_SOUTH = 0x1053
Minnesota County Datum
- GM_DATUM_MN_LE_SUEUR = 0x1054
Minnesota County Datum
- GM_DATUM_MN_LINCOLN = 0x1055
Minnesota County Datum
- GM_DATUM_MN_LYON = 0x1056
Minnesota County Datum
- GM_DATUM_MN_MCLEOD = 0x1057
Minnesota County Datum
- GM_DATUM_MN_MAHNOMEN = 0x1058
Minnesota County Datum
- GM_DATUM_MN_MARSHALL = 0x1059
Minnesota County Datum
- GM_DATUM_MN_MARTIN = 0x105A
Minnesota County Datum
- GM_DATUM_MN_MEEKER = 0x105B
Minnesota County Datum
- GM_DATUM_MN_MORRISON = 0x105C
Minnesota County Datum
- GM_DATUM_MN_MOWER = 0x105D
Minnesota County Datum
- GM_DATUM_MN_MURRAY = 0x105E
Minnesota County Datum
- GM_DATUM_MN_NICOLLET = 0x105F
Minnesota County Datum
- GM_DATUM_MN_NOBLES = 0x1060
Minnesota County Datum
- GM_DATUM_MN_NORMAN = 0x1061
Minnesota County Datum
- GM_DATUM_MN_OLMSTED = 0x1062
Minnesota County Datum
- GM_DATUM_MN_OTTERTAIL = 0x1063
Minnesota County Datum
- GM_DATUM_MN_PENNINGTON = 0x1064
Minnesota County Datum
- GM_DATUM_MN_PINE = 0x1065
Minnesota County Datum
- GM_DATUM_MN_PIPESTONE = 0x1066
Minnesota County Datum
- GM_DATUM_MN_POLK = 0x1067
Minnesota County Datum
- GM_DATUM_MN_POPE = 0x1068
Minnesota County Datum
- GM_DATUM_MN_RAMSEY = 0x1069
Minnesota County Datum
- GM_DATUM_MN_RED_LAKE = 0x106A
Minnesota County Datum
- GM_DATUM_MN_REDWOOD = 0x106B
Minnesota County Datum
- GM_DATUM_MN_RENVILLE = 0x106C
Minnesota County Datum
- GM_DATUM_MN_RICE = 0x106D
Minnesota County Datum
- GM_DATUM_MN_ROCK = 0x106E
Minnesota County Datum
- GM_DATUM_MN_ROSEAU = 0x106F
Minnesota County Datum
- GM_DATUM_MN_ST_LOUIS_NORTH = 0x1070
Minnesota County Datum
- GM_DATUM_MN_ST_LOUIS_CENTRAL = 0x1071
Minnesota County Datum
- GM_DATUM_MN_ST_LOUIS_SOUTH = 0x1072
Minnesota County Datum
- GM_DATUM_MN_SCOTT = 0x1073
Minnesota County Datum
- GM_DATUM_MN_SHERBURNE = 0x1074
Minnesota County Datum
- GM_DATUM_MN_SIBLEY = 0x1075
Minnesota County Datum
- GM_DATUM_MN_STEARNS = 0x1076
Minnesota County Datum
- GM_DATUM_MN_STEELE = 0x1077
Minnesota County Datum
- GM_DATUM_MN_STEVENS = 0x1078
Minnesota County Datum
- GM_DATUM_MN_SWIFT = 0x1079
Minnesota County Datum
- GM_DATUM_MN_TODD = 0x107A
Minnesota County Datum
- GM_DATUM_MN_TRAVERSE = 0x107B
Minnesota County Datum
- GM_DATUM_MN_WABASHA = 0x107C
Minnesota County Datum
- GM_DATUM_MN_WADENA = 0x107D
Minnesota County Datum
- GM_DATUM_MN_WASECA = 0x107E
Minnesota County Datum
- GM_DATUM_MN_WATONWAN = 0x107F
Minnesota County Datum
- GM_DATUM_MN_WINONA = 0x1080
Minnesota County Datum
- GM_DATUM_MN_WRIGHT = 0x1081
Minnesota County Datum
- GM_DATUM_MN_YELLOW_MEDICINE = 0x1082
Minnesota County Datum
- GM_DATUM_WI_SHEBOYGAN = 0x1083
Wisconsin County Datum
- GM_DATUM_ED50_ITALY = 0x1084
ED50 - Italy
- GM_DATUM_NAD83_SOUTH_CAROLINA = 0x1085
South Carolina HPGN
- GM_DATUM_ED50_NORTH_SEA = 0x1086
ED50 - North Sea
- GM_DATUM_ED50_NORWAY_N62 = 0x1087
ED50 - Norway Offshore - North of 62N
- GM_DATUM_ED50_NORWAY_S62 = 0x1088
ED50 - Norway Offshore - South of 62N
- GM_DATUM_WI_BURNETT = 0x1089
Wisconsin County Datum
- GM_DATUM_WI_DOUGLAS = 0x108A
Wisconsin County Datum
- GM_DATUM_SAD69_BRAZIL = 0x108B
South America 1969 (Brazil transformation)
- GM_DATUM_KERTAU_1948_MALAYSIA = 0x108C
Kertau 1948 (Malaysia 7-parameter transformation)
- GM_DATUM_NAD83_CSRS_ALBERTA = 0x108D
NAD83 (CSRS) - Alberta Grid Shift File
- GM_DATUM_NAD83_CSRS_BC = 0x108E
NAD83 (CSRS) - British Colombia Grid Shift File
- GM_DATUM_NAD83_CSRS_NB = 0x108F
NAD83 (CSRS) - New Brunswick Grid Shift File
- GM_DATUM_NAD83_CSRS_QUEBEC = 0x1090
NAD83 (CSRS) - Quebec Grid Shift File
- GM_DATUM_NAD83_CSRS_SASK = 0x1091
NAD83 (CSRS) - Saskatchewan Grid Shift File
- GM_DATUM_WI_CHIPPEWA = 0x1092
Wisconsin County Datum
- GM_DATUM_WI_TAYLOR = 0x1093
Wisconsin County Datum
- GM_DATUM_NAD83_NORTH_CAROLINA = 0x1094
North Carolina HPGN
- GM_DATUM_WI_MARATHON = 0x1095
Wisconsin County Datum
- GM_DATUM_ED50_MALTA = 0x1096
ED50 - Malta
- GM_DATUM_NAD83_NSRS2007 = 0x1097
NAD83 (NSRS2007)
- GM_DATUM_NAD83_NSRS2011 = 0x1098
NAD83 (NSRS2011)
- GM_DATUM_NAD83_PA11 = 0x1099
NAD83 (PA11)
- GM_DATUM_NAD83_MA11 = 0x109A
NAD83 (MA11)
- GM_DATUM_MN_ST_LOUIS = 0x109B
Minnesota County Datum (St. Louis Entire County Transverse Mercator)
- GM_DATUM_NAD83_CSRS_7PARAM = 0x109C
NAD83 (CSRS) 7-parameter transform EPSG 1946 (Bug 21998)
- GM_DATUM_CHINA_2000 = 0x109D
China 2000 (CGCS2000)
- GM_DATUM_ETRS89_ITALY = 0x109E
ETRS89 in Italy with NTv2 file
- GM_DATUM_ETRF_2000_ITALY = 0x109F
ETRF2000 in Italy with NTv2 file
- GM_DATUM_OSGB36_OSTN02 = 0x10A0
OSTN02 (OSGB36)
- GM_DATUM_OSGB36_OSTN15 = 0x10A1
OSTN15 (OSGB36)
Custom datum range
GM_DATUM_CUSTOM_FIRST = 0x2000
GM_DATUM_CUSTOM_LAST = 0x3FFF
Interplanetary datums
GM_DATUM_IP_FIRST = 0x4000
GM_DATUM_IP_MERCURY = GM_DATUM_IP_FIRST
GM_DATUM_IP_VENUS = 0x4001
GM_DATUM_IP_VENUS_1985 = 0x4002
GM_DATUM_IP_MOON = 0x4003
GM_DATUM_IP_MARS_2000 = 0x4004
GM_DATUM_IP_MARS_1990 = 0x4005
GM_DATUM_IP_JUPITER = 0x4006
GM_DATUM_IP_IO = 0x4007
GM_DATUM_IP_EUROPA = 0x4008
GM_DATUM_IP_GANYMEDE = 0x4009
GM_DATUM_IP_CALLISTO = 0x400A
GM_DATUM_IP_SATURN = 0x400B
GM_DATUM_IP_TITAN = 0x400C
GM_DATUM_IP_URANUS = 0x400D
GM_DATUM_IP_NEPTUNE = 0x400E
GM_DATUM_IP_PLUTO = 0x400F
GM_DATUM_IP_MARS_2000_SPHERE = 0x4010
GM_DATUM_IP_MARS_2000_POLAR_SPHERE = 0x4011
- GM_DATUM_IP_MARS_MOLA_SPHERE = 0x4012
Mars sphere radius 3396000 m used by MOLA
GM_DATUM_IP_LAST = GM_DATUM_IP_MARS_MOLA_SPHERE
- GM_DATUM_GEOCALC = 0x4013
Special Blue Marble Geographics type meaningful only when Blue Marble Mode is on.
Special datum values
GM_DATUM_UNKNOWN = -1
GM_DATUM_NONE = -2
GM_DATUM_DEFAULT = -3
Renames
- GM_DATUM_SWISS_GRID = GM_DATUM_CH1903
Swiss Grid CH1903 Datum
- globalmapper.PROJATTR¶
Projection attribute values for defining a GM_Projection_t object.
- Values:
FIRST_STANDARD_PARALLEL = 0
SECOND_STANDARD_PARALLEL = 1
CENTRAL_LATITUDE = 2
CENTRAL_LONGITUDE = 3
FALSE_EASTING = 4
FALSE_NORTHING = 5
SPHERE_RADIUS = 6
ORIGIN_LATITUDE = 7
SEMI_MAJOR_AXIS = 8
SEMI_MINOR_AXIS = 9
CENTRAL_MERIDIAN = 10
STANDARD_PARALLEL = 11
TRUE_SCALE_LATITUDE = 12
AZIMUTH_ANGLE = 13
AZIMUTH_POINT = 14
LATITUDE1 = 15
LATITUDE2 = 16
LONGITUDE1 = 17
LONGITUDE2 = 18
PROJ_CENTER_SCALE_FACTOR = 19
LONGITUDE_POLE = 20
CENTRAL_MERIDIAN_SCALE_FACTOR = 21
PERSPECTIVE_POINT_HEIGHT = 22
INCLINATION_ANGLE = 23
ASCENTION_LONGITUDE = 24
SAT_REV_PERIOD = 25
END_OF_PATH_FLAG = 26
LANDSAT_SAT_NUM = 27
OEA_SHAPE_PARM_M = 28
OEA_SHAPE_PARM_N = 29
OEA_OVAL_ROTATION_ANGLE = 30
ZONE = 31
- GM_PRJ_ATTR_STATE_PLANE_SCALE_FACTOR = 32
extra scale factor for State Plane projections
Attributes for GM_PRJ_FIXED_SCREEN_POS projection
- GM_PRJ_ATTR_HORZ_OFFSET = 33
horizontal offset value in inches, percent, or longitude
- GM_PRJ_ATTR_HORZ_OFFSET_TYPE = 34
horizontal offset type (0 - left, 1 - right, 2 - centered)
- GM_PRJ_ATTR_HORZ_OFFSET_VTYPE = 35
horizontal offset value type (0 - inches, 1 - percent, 2 - degrees longitude, 3 - centimeters)
- GM_PRJ_ATTR_VERT_OFFSET = 36
vertical offset value in inches, percent, or latitude
- GM_PRJ_ATTR_VERT_OFFSET_TYPE = 37
vertical offset type (0 - top, 1 - bottom, 2 - centered)
- GM_PRJ_ATTR_VERT_OFFSET_VTYPE = 38
vertical offset value type (0 - inches, 1 - percent, 2 - degrees latitude, 3 - centimeters)
- GM_PRJ_ATTR_SIZE_VALUE = 39
size value (percent)
- GM_PRJ_ATTR_SIZE_VALUE_TYPE = 40
size value type (0 - fixed pixel size, 1 - percent width, 2 - percent height, 3 - absolute (used only in cartographic viewer only))
- GM_PRJ_ATTR_ALWAYS_ON_TOP = 41
make this fixed screen file show on top of everything else
- GM_PRJ_ATTR_SHRINK_TO_FIT = 42
shrink this layer to fit on the screen/export if too large
Additional attributes
- GM_PRJ_ATTR_STATE_PLANE_EXTRA_FALSE_EASTING = 43
extra false easting (in meters) for State Plane projections to apply AFTER the extra scale factor
- GM_PRJ_ATTR_STATE_PLANE_EXTRA_FALSE_NORTHING = 44
extra false northing (in meters) for State Plane projections to apply AFTER the extra scale factor
- GM_PRJ_ATTR_STATE_PLANE_SCALE_CENTER_EASTING = 45
easting of location at which to apply extra scale factor for State Plane projections
- GM_PRJ_ATTR_STATE_PLANE_SCALE_CENTER_NORTHING = 46
northing of location at which to apply extra scale factor for State Plane projections
- GM_PRJ_ATTR_ROTATION_ANGLE = 47
rotation angle for gridding projections that support rotation about their origin (0,0) point
- GM_PRJ_ATTR_AUX_SPHERE_TYPE = 48
auxiliary sphere type (0 (use semimajor axis or radius of the geographic coordinate system), 1 (use semiminor axis or radius), 2 (calculate and use authalic radius), or 3 (use authalic radius and convert geodetic latitudes to authalic latitudes)
- GM_PRJ_ATTR_RECTIFIED_GRID_ANGLE = 49
rectified_grid_angle for RSO projections
NUM_PROJ_ATTR_TYPES = 50
- GM_MAX_ATTR_PER_PROJ = 16
maximum attributes a single projection might have
Attribute aliases
GM_PRJ_ATTR_SKEW_GRID_ANGLE = INCLINATION_ANGLE
- globalmapper.PROJSYS¶
Standard projection systems for defining a GM_Projection_t object.
- Values:
- GM_PRJ_GEO = 0
Geographic (lat/lon)
- GM_PRJ_UTM = 1
UTM
- GM_PRJ_SPCS = 2
US State Plane
- GM_PRJ_ALBERS = 3
Albers Conic
- GM_PRJ_LAMCC = 4
Lambert Conformal Conic
- GM_PRJ_MERCAT = 5
Mercator
- GM_PRJ_PS = 6
Polar Stereographic
- GM_PRJ_POLYC = 7
Polyconic
- GM_PRJ_EQUIDC_A = 8
Equidistant Conic A
- GM_PRJ_TM = 9
Transverse Mercator
- GM_PRJ_STEREO = 10
Stereographic
- GM_PRJ_LAMAZ = 11
Lambert Azimuthal
- GM_PRJ_AZMEQD = 12
Azimuthal Equidistant
- GM_PRJ_GNOMON = 13
Gnomonic
- GM_PRJ_ORTHO = 14
Orthographic
- GM_PRJ_GVNSP = 15
General Vertical Near Side Perspective
- GM_PRJ_SNSOID = 16
Sinusoidal
- GM_PRJ_EQRECT = 17
Equirectangular
- GM_PRJ_MILLER = 18
Miller Cylindrical
- GM_PRJ_VGRINT = 19
Van der Grinten
- GM_PRJ_HOM_A = 20
Hotine Oblique Mercator A
- GM_PRJ_ROBIN = 21
Robinson
- GM_PRJ_SOM_A = 22
Space Oblique Mercator A
- GM_PRJ_ALASKA = 23
Alaska Conformal
- GM_PRJ_GOOD = 24
Interrupted Goode
- GM_PRJ_MOLL = 25
Molleweide
- GM_PRJ_IMOLL = 26
Interrupted Molleweide
- GM_PRJ_HAMMER = 27
Hammer-Aitoff
- GM_PRJ_WAGIV = 28
Wagner IV
- GM_PRJ_WAGVII = 29
Wagner VII
- GM_PRJ_OBLEQA = 30
Oblated Equal Area
- GM_PRJ_EQUIDC_B = 31
Equidistant Conic B
- GM_PRJ_HOM_B = 32
Hotine Oblique Mercator B
- GM_PRJ_SOM_B = 33
Space Oblique Mercator B
- GM_PRJ_NZMG = 34
New Zealand Map Grid
- GM_PRJ_OB_STEREO = 35
Oblique Stereographic
- GM_PRJ_GALL = 36
Gall Stereographic
- GM_PRJ_ECKERT_IV = 37
Eckert IV
- GM_PRJ_AITOFF_WAGNER = 38
Aitoff-Wagner
- GM_PRJ_BONNE = 39
Bonne
- GM_PRJ_CASSINI_SOLDNER = 40
Cassini-Soldner
- GM_PRJ_MILOS = 41
Miller Oblated Stereographic
- GM_PRJ_TIMES = 42
Times
- GM_PRJ_BIPOLAR_CONIC_WEST = 43
Bipolar Oblique Conic for Western Hemisphere
- GM_PRJ_2PT_EQUIDISTANT = 44
Two Point Equidistant
- GM_PRJ_FIXED_SCREEN_POS = 45
Fixed Location on the Screen (not a true map projection)
- GM_PRJ_LAMBERT_CYL_EQ_AREA = 46
Lambert Cylindrical Equal Area
- GM_PRJ_KROVAK = 47
Krovak
- GM_PRJ_LAMBERT_MARTA = 48
Lambert Marta (WSI Lambert)
- GM_PRJ_LAMBERT_NOAA = 49
Lambert NOAA Port (Marta)
- GM_PRJ_MARTA_SATELLITE = 50
Marta Satellite projection
- GM_PRJ_WINKEL_I = 51
Winkel I
- GM_PRJ_POLYCONIC_INT_MAP = 52
International Map of the World Polyconic
- GM_PRJ_WINKEL_TRIPEL = 53
Winkel/Tripel
- GM_PRJ_LABORDE = 54
Laborde (Madagascar)
- GM_PRJ_TM_SOUTH_ORIENTATED = 55
Transverse Mercator South Orientated
- GM_PRJ_RSO = 56
RSO (Rectified Skew Orthomorphic)
GM_PRJ_DOUBLE_STEREOGRAPHIC = 57
- GM_PRJ_INT_SINUSOIDAL = 58
Integerized Sinusoidal (MODIS)
- GM_PRJ_HOM_AZI_NAT_ORIG = 59
Hotine Oblique Mercator Azimuth at Natural Origin
- GM_PRJ_MERCAT_NAVIONICS = 60
Navionics Mercator
- GM_PRJ_MERCAT_LOWRANCE = 61
Lowrance Mercator
- GM_PRJ_NATURAL_EARTH = 62
Natural Earth projection
- GM_PRJ_GEO_ITALIA = 63
Geogrpahic (Italia)
- GM_PRJ_CASSINI_SOLDNER_ITALIA = 64
Cassini-Soldner (Italia)
- GM_PRJ_EQUAL_EARTH = 65
Equal Earth projection
- GM_PRJ_NUM_PROJ_SYS = 66
Number of full projection systems
Projection aliases
GM_PRJ_FIRST_ALIAS_PRJ = 0x1000
GM_PRJ_WTM83_91 = GM_PRJ_FIRST_ALIAS_PRJ
- GM_PRJ_MICHIGAN_GEOREF = 0x1001
Michigan Georef
- GM_PRJ_SWEDISH_GRID_RT90 = 0x1002
Swedish Grid (RT90)
- GM_PRJ_BRITISH_GRID = 0x1003
British Grid
- GM_PRJ_NZTM_2000 = 0x1004
New Zealand Transverse Mercator 2000
- GM_PRJ_LAMBERT_I_NORD = 0x1005
Lambert I NORD - North of France
- GM_PRJ_LAMBERT_II_CENTRE = 0x1006
Lambert II CENTRE - Central France
- GM_PRJ_LAMBERT_III_SUD = 0x1007
Lambert III SUD - Southern France
- GM_PRJ_LAMBERT_IV_CORSE = 0x1008
Lambert IV CORSE - Corsica
- GM_PRJ_LAMBERT_II_CARTO_ETENDU = 0x1009
Lambert II CARTO ETENDU - Wide
- GM_PRJ_LAMBERT_93 = 0x100A
Lambert 93
- GM_PRJ_DUTCH_GRID = 0x100B
RijksDriehoeks (RD) - Dutch Grid
- GM_PRJ_STEREO70 = 0x100C
Stereo70 (Romania)
- GM_PRJ_PLATE_CARREE = 0x100D
Plate Carree (Geographic)
- GM_PRJ_GAUSS_KRUEGER = 0x100E
Gauss Krueger (6 degree zones)
- GM_PRJ_GAUSS_KRUEGER_GERMANY = 0x100F
Gauss Krueger (3 degree zones - Germany)
- GM_PRJ_GAUSS_KRUEGER_SLOVENIA = 0x1010
Gauss Krueger (Slovenia)
- GM_PRJ_AUSTRIAN_GRID = 0x1011
Austrian Grid
- GM_PRJ_GAUSS_BOAGA = 0x1012
Gauss Boaga (Italy)
- GM_PRJ_GREEK_GRID = 0x1013
Greek Grid
- GM_PRJ_POLAND_1992_19 = 0x1014
Polish Coordinate System (1992/19)
- GM_PRJ_GAUSS_KRUEGER_ARGENTINA = 0x1015
Gauss Krueger (Argentina)
- GM_PRJ_SWISS_GRID = 0x1016
Swiss Grid
- GM_PRJ_IRISH_GRID = 0x1017
Irish Grid
- GM_PRJ_QUEBEC_MTM = 0x1018
Quebec MTM
- GM_PRJ_ISRAEL_GRID_OLD = 0x1019
Old Israel Grid
- GM_PRJ_ISRAEL_GRID_NEW = 0x101A
New Israel Grid
- GM_PRJ_LAMBERT_I_CARTO = 0x101B
Lambert I - North of France
- GM_PRJ_LAMBERT_III_CARTO = 0x101C
Lambert III - Southern France
- GM_PRJ_LAMBERT_IV_CARTO = 0x101D
Lambert IV - Corsica
- GM_PRJ_HUNGARIAN_EOV = 0x101E
Hungarian National Grid (EOV)
- GM_PRJ_RSO_EAST_MALAYSIA = 0x101F
East Malaysia BRSO
- GM_PRJ_RSO_WEST_MALAYSIA = 0x1020
West Malaysia RSO
- GM_PRJ_CASSINI_MALAYSIA = 0x1021
Cassini Malaysia (zoned projection)
- GM_PRJ_KOREAN_GRID = 0x1022
Korean Grid
- GM_PRJ_INDIA_GRID = 0x1023
India Grid
- GM_PRJ_BELGE_1972 = 0x1024
Belge 1972 (Belgian Lambert 1972)
- GM_PRJ_MGA = 0x1025
MGA (Map Grid Australia) - use with GDA94
- GM_PRJ_NEW_BRUNSWICK_STEREO = 0x1026
New Brunswick Stereographic Double
- GM_PRJ_MSTM = 0x1027
MSTM( Mississippi Transverse Mercator)
- GM_PRJ_SYSTEM_1965 = 0x1028
System 1965 (Uklad 1965) (Poland)
- GM_PRJ_WISCONSIN_COUNTY = 0x1029
Wisconsin Coordinate Reference Systems (WISCRS)
- GM_PRJ_PHILIPPINES_GRID = 0x102A
Philippines Grid
- GM_PRJ_JAPANESE_GRID = 0x102B
Japanese Grid
- GM_PRJ_ITALIAN_CADASTRAL = 0x102C
Italian Cadastral Zones
- GM_PRJ_UTM_ITALY = 0x102D
UTM with just Italy zones and datums
- GM_PRJ_SWEDISH_GRID_SWEREF99 = 0x102E
Swedish Grid (SWEREF99)
- GM_PRJ_10TM = 0x102F
10TM (Alberta)
- GM_PRJ_CASSINI_ITALIA_BAS = 0x1030
Cassini Soldner (Italia) - BAS
- GM_PRJ_CASSINI_ITALIA_PUG = 0x1031
Cassini Soldner (Italia) - PUG
- GM_PRJ_MINNESOTA_COUNTY = 0x1032
Minnesota Coordinate Reference Systems
- GM_PRJ_UPS_NORTH = 0x1033
Universal Polar Stereographic - North Zone
- GM_PRJ_UPS_SOUTH = 0x1034
Universal Polar Stereographic - South Zone
- GM_PRJ_TRINIDAD_GRID = 0x1035
Trinidad Grid
- GM_PRJ_3TM = 0x1036
3TM (Alberta)
- GM_PRJ_GAUSS_KRUEGER_CROATIA = 0x1037
Gauss Krueger (Croatia)
- GM_PRJ_CROATIA_TM = 0x1038
Croatia (TM)
- GM_PRJ_CASSINI_ITALIA_CAM = 0x1039
Cassini Soldner (Italia) - CAM
- GM_PRJ_CASSINI_ITALIA_VDA = 0x103A
Cassini Soldner (Italia) - VDA
- GM_PRJ_NORWEGIAN_TM = 0x103B
NTM (Norwegian Transverse Mercator)
- GM_PRJ_POLAND_2000 = 0x103C
Poland CS2000 Grid
- GM_PRJ_SWISS_GRID_LV95 = 0x103D
Swiss Grid (LV95)
- GM_PRJ_CASSINI_ITALIA_VEN = 0x103E
Cassini Soldner (Italia) - VEN
- GM_PRJ_AMG = 0x103F
AMG (Australian Map Grid) - use with AGD66, AGD84
- GM_PRJ_INDIANA_COUNTY = 0x1040
Indiana County Coordinate Reference Systems (inGCS)
- GM_PRJ_KANSAS_REGIONAL = 0x1041
Kansas Regional Coordinate System (KRCS)
GM_PRJ_LAST_ALIAS_PRJ = 0x1042
- GM_PRJ_GEOCALC = 0x1043
Special Blue Marble Geographics GeoCalc library Projection type meaningful only when GeoCalc Mode is on.
GM_PRJ_UNKNOWN = -1
- globalmapper.UNIT¶
Unit types for defining projections
- Values:
GM_PRJ_UNIT_RADIANS = 0
GM_PRJ_UNIT_US_FEET = 1
GM_PRJ_UNIT_METERS = 2
GM_PRJ_UNIT_ARC_SECONDS = 3
GM_PRJ_UNIT_ARC_DEGREES = 4
GM_PRJ_UNIT_INTERNATIONAL_FEET = 5
GM_PRJ_UNIT_NAUTICAL_MILES = 6
- GM_PRJ_UNIT_YARDS = 7
International Yards/EPSG 9096
GM_PRJ_UNIT_GRADES = 8
GM_PRJ_UNIT_INDIAN_YARD = 9
GM_PRJ_UNIT_CLARKE_FEET = 10
- GM_PRJ_UNIT_INCHES = 11
US Survey Inches
GM_PRJ_UNIT_LINKS = 12
GM_PRJ_UNIT_CLARKE_LINKS = 13
GM_PRJ_UNIT_CAPE_FEET = 14
GM_PRJ_UNIT_CENTIMETERS = 15
GM_PRJ_UNIT_MILLIMETERS = 16
GM_PRJ_UNIT_KILOMETERS = 17
GM_PRJ_UNIT_CHAINS_BENOIT = 18
GM_PRJ_UNIT_CHAINS_SEARS = 19
GM_PRJ_UNIT_BRITISH_CHAIN_SEARS_1922_TRUNC = 20
GM_PRJ_UNIT_CLARKE_YARD = 21
GM_PRJ_UNIT_GERMAN_LEGAL_METER = 22
GM_PRJ_UNIT_GOLD_COAST_FEET = 23
GM_PRJ_UNIT_SEARS_YARD = 24
GM_PRJ_UNIT_SEARS_FEET = 25
GM_PRJ_UNIT_MILES = 26
GM_PRJ_UNIT_INTERNATIONAL_INCHES = 27
GM_PRJ_NUM_UNITS = 28
GM_PRJ_UNIT_UNKNOWN = -1