2-D resistivity tomography in electrical imaging survey. Resistivity tomography software to process and interpret resistivity data in 2-D electrical imaging survey.It supports Wenner Alpha, Wenner Beta, Wenner Gamma, Dipole Dipole, Pole Dipole, Pole Pole, Wenner Schlumberger, and other general arrays. Redo/Undo is provided for data editing,and Zohdy method and least-square method are combined to inverse field data.