(global) projections are adopted in this version (Jan. 2008). The core graphic package included in this interface is the well-known Generic Mapping Tool ( members at the moment. To apply an authority to use this service, users (TEC members) have to register and activate their accounts. The procedure is listed bellow: After filling the registration form and pressing the ��submit�� button, the system will send a confirmation letter to your input e-mail address automatically. A validation code with 4 alphanumeric characters is given in an image next to the empty field. Please enter it in the empty field. ) of the TEC Graphic Service is composed of 4 frames: (1) Region selection, (2) Geographic Projection, (3) Background Topography/ Plate Boundaries, and (4) User input information. Firstly, you have to select a region to plot your map. To do this, please enter the border coordinates in the upper-left frame. Click on the Google Map or GMT ‘reference map’ option, you can have a quick look to confirm if it is a desired region. Default projection is the Mercator projection. If you choose Hammer projection, you will have to input your desired central meridian. The border coordinates will be set to cover the whole world automatically. Secondly, you are able to decide whether you need a background topography, coast line, or nation borders in the map. Various color scales for topography are provided (See . Finally, you can put your own dataset onto this background map, including lines, points, focal mechanisms, and GPS velocity vectors. and create files on your computer. Check those items and click on the ‘Browse’ button to indicate the files you are going to upload. Finally, press the ‘Submit’ to send your request. To save working time, we suggest not selecting topography but only coast line before user input datasets are confirmed. After you send your request, you can decide if you want to save this request as a project or not. If you decide to save the project, all of the parameter, include the dataset you upload and the final output map, will be reserved. ) that shows all the projects you have saved. You can select one of the project, then click the ‘Submit ‘ button, it will go to the request home page with all the parameters you have saved before. If you want to delete one of the project, you have only to click the ‘Delete’ link of the chosen project. ETOPO5 (1988), Data Announcement 88-MGG-02, Digital relief of the Surface of the Earth. NOAA, National Geophysical Data Center, Boulder, Colorado. Liu, C. S., S. Y. Liu, S. E. Lallemand, N. Lundberg, D. Reed (1998), Digital Elevation Model Offshore Taiwan and Its Tectonic Implications., Smith, W. H. F., and D. T. Sandwell (1997), Global seafloor topography from satellite altimetry and ship depth soundings, This web service is designed by Wen-Tzong Liang and programmed by both Shin-Wei Hsiao and Wen-Tzong Liang. If you publish any results by taking advantage of this graphic service, please provide proper acknowledgement to Source.