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TSTool Documentation Quick Start Guide <br /> Quick Start - 5 <br />actuality, TSTool has multiple data connections active from start-up that can be used with commands as <br />described in the next section (you can view active datastores using View…Datastores). <br /> <br />Once a datastore or input type is selected, other choices are made available as appropriate to help filter the <br />time series list. For example, in the above figure, the Regional Climate Center Applied Climate <br />Information System (RCC ACIS) datastore is selected to access climate data, and daily precipitation is <br />selected. Denver County is selected to limit the number of stations that are returned. Note that for this <br />datastore and other web services that TSTool can retrieve data from nationwide (or even international) <br />data sets, even though the software was originally developed only for Colorado data sets. Pressing Get <br />Time Series List queries the web service and lists the time series in the upper right area of the main <br />TSTool window, as shown in the above figure. The query does not process all the time series data values <br />but only the location (typically stations) and time series metadata (available period of record, data units, <br />etc.). Use the scroll bar to review all available metadata (i.e. columns that are to the right of those visible <br />in the above figure). Some metadata (e.g., location identifier, data type, units) are typically available for <br />all datastores; however, specific data varies by source. Refer to the Datastore Reference for information <br />about each datastore type. Right-click on the column headings to sort the columns. In general, right- <br />clicking in TSTool shows available actions. <br /> <br />To query the time series data values, first select one or more of the time series by highlighting at least one <br />cell in the time series list. Use CTRL-click to select additional cells and SHIFT-click to select a range. <br />The left-most numbered column cannot be selected. Cells that are selected will cause the time series for <br />the row to be processed. The following figure illustrates cells that have been selected. <br /> <br /> <br />When one or more cells of interest are selected, press Copy Selected to Commands. For example, <br />because the first two rows in the above figure are selected, the following will be shown in Commands <br />area (middle) of the TSTool main window: <br /> <br /> <br />If it is desired to select all time series, use the Copy All to Commands button. Whereas the top of the <br />TSTool main window is used to browse data, the Commands area is used to define a workflow of <br />commands to automate data processing. Command processing is similar to using functions in Microsoft <br />Excel; however, in TSTool the processing logic is presented in visible text form like a script, processing <br />is sequential (first command to last), and processing logic is separate from data. In TSTool data objects <br />are maintained in the program’s memory and are accessed by identifiers as needed. Consequently, an