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GeoDLL Geodetic Development Kit for WINDOWS |
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Contents
Wenn Sie lieber in Deutscher Sprache lesen möchten, benutzen Sie bitte die Datei GEODLL_D.CHM! If you prefer to read in German language, please use the GEODLL_D.CHM file!
This manual you can also read online at https://www.killetsoft.de/h_geodll_e/handbuch_e.htm
Select the topic of interest!
What you need to know about the Geodetic Development Kit GeoDLL Test version and full version - Terms of Use
What do you need the Geodetic Development Kit GeoDLL for? Calculation accuracy with NTv2 2D / 3D Coordinate Transformations EPSG Coordinate Reference Systems INSPIRE - Europe-wide uniform Coordinate Reference Systems UTM - Universal Transversal Mercator Coordinate System ETRS89 - the European Terrestrial Reference System 1989 WGS84 / ITRS Epochs / Continental Drift Explanation of Terms / Glossary
Questions and Answers on the Web
Templates for interfaces in various programming languages Definition and interface files Operating in a multithreading environment Template of a C# Visual Studio Project Template of a C / C++ Visual Studio Project Sample of a C# interface (NET Framework) Sample of a Visual Basic interface Sample of a CA-Visual Objects interface
Sample programs in various programming languages Sample program in CA-Visual Objects Sample program in Python / Spider Sample of function call in C++ syntax Sample of function call in Visual Basic syntax
Lists of the supported CRS with GeoDLL System Numbering List with Coordinate Reference Systems sorted by countries for all GeoDLL functions List with Coordinate Reference Systems sorted alphabetically for all GeoDLL functions List with default settings of the Coordinate Systems for all GeoDLL functions List with supported EPSG-Codes for the functions coordtransepsg() and getepsg??()
"Coordinate Transformations" function group Function coordtrans() - 2D Coordinate transform. / Reference System Transition, num. / alphanum. (char**) Function coordtrans2() - 2D Coordinate transform. / Reference System Transition, num. / alphanum. (char*) Function coordtrans3() - 2D Coordinate Transformation / Reference System Transition, only numeric, notations Function coordtrans4() - 2D Coordinate Transformation / Reference System Transition, only numeric, no notations Function coordtransex() - 2D Coordinate transform. / Reference System Transition, reduced eastings Function coordtrans3d() - 3D Coordinate transf. / Reference System Transition, num. / alphanum. (char**) Function coordtrans3d2() - 3D Coordinate transf. / Reference System Transition, num. / alphanum. (char*) Function coordtrans3d3() - 3D Coordinate Transformation / Reference System Transition, only numeric Function coordtrans3d4() - 3D Coordinate Transformation / Reference System Transition, only numeric, no notations Function coordtrans3dex() - 3D Coordinate transform. / Reference System Transition, reduced eastings Function coordtransepsg() - EPSG code Coordinate Transformation / Reference System Transition Function meritrans() - Meridian strip change with GK und UTM coordinates Function setcoordarea() - Coordinate System range validity check on / off Function setcalcextra() - Calculation of extra parameters on / off Function coordcalcextra() - Calculation of extra parameters during coordinate transformations Function coordcalcextraind() - Calculation of extra parameters independent from coordinate transformations
"NTv2 Transformations" function group (requires the unlocked function group "Coordinate Transformations") Information about the supported NTv2 grid files Function getntvbinaryfile() - Determination of NTv2 file names matching a reference system Function getntvdirmatch() - Determination of a matching NTv2 file in a common directory Function getntvrefbelong() - Determination of the second NTv2 Reference System Function getntvrefequiv() - Determination of an NTv2 equivalent Reference System Function getntvrefstatus() - Determination of the NTv2 membership of a Reference System Function setntvbinaryfile() - Initializes a NTv2 grid data binary file for Reference System Transitions Function setntvbinautodir() - Sets a directory for the automatically use of NTv2 binary files Function setntvbinautofile() - Sets a NTv2 grid binary file for automatically call in a wait position Function setntvpolyvalid() - Sets Polygonal Validity Check in NTv2 files Function closentvbinaryfile() - Close NTv2 binary file and free NTv2 instance
"NTv2 Tools" function group Function convntvascii2bin() - Converts a NTv2 ASCII file to a binary file Function convntvbin2ascii() - Converts a NTv2 binary file to an ASCII file Function convntvbin2area() - Copies an area of a NTv2 grid file to a new binary file Function convntvbin2gridexport() - Exports a NTv2 grid from a NTv2 binary to a new binary file Function convntvbin2gridimport() - Imports a NTv2 grid from a NTv2 binary into an existing binary file Function convntvbin2polyvalid() - Adds Polygonal Validity Scopes to NTv2 binary files Function getntvgridarray() - Writes the parameters of one or all NTv2 grids to arrays Function getntvgridcount() - Gets count of grids contained in a NTv2 file Function getntvgridheader() - Gets the header parameter of one or all NTv2 grids Function getntvheader() - Gets the header parameter of a NTv2 file Function getntvminmaxshift() - Gets the min / max shift values of one or all NTv2 grids
"User Definitions" function group Function setusercoordsys1() - Setup of a user defined Coordinate System Function setusercoordsys2() - Setup of a 2nd user defined Coordinate System Function setuserrefsys() - Setup of a user defined Reference System Function setuserellsource() - Setup of a user defined source ellipsoid Function setuserelltarget() - Setup of a user defined target ellipsoid Function getusercoordpar() - Get parameter names of a user defined Coordinate System Function getusercoordtyp() - Get type name of a user defined Coordinate System
"Parameter Determination" function group Function getepsg2geodll() - Determine GeoDLL codes equivalent to EPSG code Function getepsgcrsname() - Determine designation of an EPSG CRS Function getcoordname() - Coordinate System name Function getcoordsys() - Formatted Coordinate System parameters Function getcoordform() - 2D Coordinate System coordinates notation Function getcoordform3d() - 3D Coordinate System coordinates notation Function getcoordaxis() - 2D Coordinate System axes names Function getcoordaxis3d() - 3D Coordinate System axes names Function getcoordarea() - Range validity of a Coordinate System Function getcoordfixref() - Determining Coordinate System has fixed Reference System Function getcoordstdrefsys() - Default Reference System of a Coordinate System Function getcoordstdunitpar() - Default Measurement Unit of a Coordinate System Function getcoordproj() - Projection method number of a Coordinate System Function getcoordstrstatus() - Determining Coordinate System is a strip system Function getrefname() - Reference System name Function getrefsys() - Formatted Reference System parameters Function getellname() - Ellipsoid name Function getellsys() - Formatted ellipsoid parameters Function getellsource() - Source ellipsoid demi-axes Function getelltarget() - Target ellipsoid demi-axes Function getunitname() - Measurement unit name Function getunitpar() - Calculation constants of a measurement unit
"Distance Calculations" function group Function distancegeo() - Distance between geographic coordinates on the ellipsoid Function distancesphere() - Distance between geographic coordinates on the sphere Function distanceutm() - Distance between UTM coordinates Function point2pointgeo() - Dest. point on ellipsoid from start point, bearing, distance Function point2pointsphere() - Dest. point on sphere from start point, bearing, distance Function point2pointutm() - UTM dest. point from UTM start point, bearing and distance Function vincentydirect() - Vincentys Direct Position Computation Function vincentyinverse() - Vincentys Inverse Position Computation
"Notation Calculations" function group Function umfd2g() - Translates decimal notation to degrees notation Function umfd2gn() - Translates decimal notation to gonal notation Function umfd2n() - Translates decimal notation to nautical notation Function umfd2s() - Translates decimal notation to seconds notation Function umfg2d() - Translates degrees notation to decimal notation Function umfgn2d() - Translates gonal notation to decimal notation Function umfn2d() - Translates nautical notation to decimal notation Function umfs2d() - Translates seconds notation to decimal notation Function umfroundg() - Accurate rounding of degrees coordinates Function umfroundn() - Accurate rounding of nautical coordinates
"Map Calculations" function group Function kartgeo2tk() - Determine TK25 number from geographic coordinates Function karttk2geo() - Determine corner map coordinates from TK25 number Function karttknum() - Determine TK50, TK100 und TKÜ200 from a TK25 number
"Elevation Calculations" function group Information about the used Digital Elevation Models Function getelevation03() - Elevation from the 3 sec. elevation model CGIAR Function getelevation30() - Elevation from the 30 sec. elevation model GLOBE Function getelevation33() - Elevation from 3/30 sec. elevation model CGIAR/GLOBE Function setelev03datapath() - Sets the data path for the elevation model CGIAR Function setelev30datapath() - Sets the data path for the elevation model GLOBE Function convelev03ascii2bin() - Convert a CGIAR ASCII file to a binary file
"Transformation Parameter" function group Information about Helmert / Molodensky Parameter Sets Function gettranshelmert() - Calculation of seven Helmert parameters Function gettransmolodensky() - Calculation of three Molodensky parameters Function gettransoutliers() - Calculation of outliers in a group of identical points Function gettransresiduals() - Calculation of the residuals from identical points Function gettransresidualcoord() - Correction of coordinates with Residual Gaps Distribution Function gettransresidualmax() - Calculation of the "Maximum Spatial Residual" Function gettransresidualaverage() - Calculation of the "Average Spatial Residual" Function gettransresidualrms() - Calculation of the "Root Mean Square Residual" (RMS)
"Time zone calculations" function group Information about Time Zones and Maritime Zones List with Time Zones sorted by designations for the following functions Function settzgridfile() - Initialize and test a gridfile for time zone calculations Function settzshapefile() - Initialize and test a shapefile for time zone calculations Function gettzcurrentbynum() - Determ. of current time zone param. from GeoDLL index Function gettznamebynum() - Determ. of a time zone designation from a GeoDLL index Function gettznumbycoordexact() - Exact determination of GeoDLL index from a coordinate Function gettznumbycoordfast() - Fast determination of GeoDLL index from a coordinate Function gettzparbynum() - Determination of common time zone param. from GeoDLL index
Function getauthor() - Copyright and program author’s address Function getdisclaimer()) - Disclaimer reference for GeoDLL
Function getdllversion() - GeoDLL version number Function geterrorcode() - Latest error description Function getlicensee() - Licensee identification Function setcoordarea() - Coordinate System range validity check on / off Function setdllinit() - Initializing and functional readiness test of the GeoDLL Function setdllworkdir() - Directory for geodllbn.bin and other files Function seteventloop() - Event-handling in time-intensive functions on / off Function setinternerrsys() - Internal error handler on / off Function setlanguage() - Language selection for all text returns Function setmultithreading() - Usage in a multithreading environment on / off Function setsilence() - Output of messages to the EventLog on / off Function setstaticuse() - Usage of fast Static Variables on / off Function setstringallocate() - Automatic memory management on / off Function setunlockcode() - Input of the unlock parameter
Additional information
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