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GIS based on spatial development case studies

Without controls, pure C++GIS map operations can run the program directly. SHP data in vector format or AOTOCAD2004DXF format...

Process hiding

Application backgroundVERSION 5.00 Begin VB.Form frmExample     BorderStyle     =   5  '크기 조정 가능 도구 창    Caption         =   "Process Hide Test"    ClientHeight    =   1500   &n...

MFC geodetic programs

This program can convert geodetic coordinates and coordinates of Behcet's, will help us to measure....

Calculation of spherical distance and azimuth angle

Application backgroundThe B -Solver earth element solver earth, Solution azimuth A, earth longitude and latitude,, has been calculated.Key TechnologyB A point of latitude and longitude, the calculation of the spherical distance and azimuth    Code very, easy and useful -survey...

Reduce SRTM3 data point density

Application backgroundDownloaded from the website SRTM3 data point density is too large and bring inconvenience to use and program objective is reduced density, reduces the resolution. By removing the points adjacent to, its resolution decreased, but still maintained the format of the original dot m...

Converting column data into a row format

Application backgroundSRTM3 data or other file formats, such as text files are downloaded from the Internet, such as text files, which are used in order to be converted into a format that will be used for the purpose of a column.Key TechnologyInput file for Input.dat. procedures for covert Covert_ma...

Geodetic coordinate transformation to spherical coordinates

Application backgroundIn physical measurement, the geodetic coordinate system is converted to spherical coordinate system. The geodetic coordinate system is based on the coordinates of an ellipsoid, first converted into the center of the earth's Descartes coordinate system, and then converted to the...

According to ellipsoidal geodetic coordinate seeking normal gravity

Application backgroundIn the measurement of the physical force, the gravity anomaly is calculated, and the gravity of the calculated points and the normal gravity of the measuring points are needed. When normal gravity is calculated, it is required to calculate the geodetic coordinates, i.e., longit...


Application background15. Finite difference migration method based on wave equation and simplified wave equation difference. Realization of seismic wave migration by 15 degree shift difference method. The seismic reflection method is according to the on the ground in a certain way of elastic wave ex...


Application backgroundWith improvement of the accuracy of seismic exploration, effect of anisotropy for the conventional Kirchhoff prestack depth migration effect can not be ignored. Studies using P-wave nonhyperbolic reflection travel calculating method of anisotropic parameters, sway sets the arra...

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