# POS * The **POS** position option will identify the position of a point anywhere on the active map layer. * It will extract the X, Y, and Z coordinates of any point as well as the capture time in GPS week seconds. * The X, Y, Z coordinate system is defined in ECEF coordinates ![SpatialExplorer Measurements Position interface](/files/-M_wLMgc4HWKwh-iw7fz) * To identify the position of a point on the active map layer, simply activate the **POS** position tab and click anywhere on the active map layer. * This will create an entry in the Measurements window. * You can add multiple points into the Measurements window. * To clear the points from the Measurements window, click the "**Clear**" button located in the right bottom corner. * Furthermore, clicking on the **Time** entry will step to that specific instance in time within the [playback menu](https://docs.phoenixlidar.com/lidarmill-desktop/user-interface/playback-menu). --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs-6.phoenixlidar.com/lidarmill-desktop/user-interface/windows/measurements-window/position.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.