Programs / PFG FX Trader / Graphics / Chart control

Chart control
Chart is a time model of price dynamics of a financial instrument. Chart control is:

• Changing the chart type
  There are three types of a financial tool chart in the terminal: Bar Chart — Bar Chart — sequence of bars. It is necessary to press. button on "Charts" toolbar, combination accelerator keys Alt + 1 or perform menu command "Charts — Bar Chart";; Candlestick — is a sequence of Japanese candlesticks. It is necessary to press Candlestick — is a sequence of Japanese candlesticks. It is necessary to press button on "Charts" toolbar, combination accelerator keys Alt + 2 or perform menu command "Charts — Candlestick"; Line Chart — is a broken line, connecting bars' closing prices. It is necessary to press button on "Charts" toolbar, combination accelerator keys Alt + 3 or perform menu command "Charts — Line Chart".


• Changing the period
  The client terminal supports nine different data periods, from a minute to a month long. A big amount of charts periods is required to carry out analysis by using technical indicators and line studies. You can choose the required charts period by means of "Periodicity" toolbar, button on "Charts" toolbar and menu "Charts — Periodicity".


• Scaling
  Charts can be scaled, which allows to increase and decrease the number of bars displayed on the screen simultaneously. To do it use / buttons on "Charts" toolbar, keys "+" / "-", commands "Zoom In" / "Zoom Out" on charts context menu and "Charts" toolbar. Besides, you can set the scale and the maximum and minimum values, by means of the "Scale Fix" option in Charts setup window.


• Scrolling, auto-scrolling and shifting the chart
  Scrolling the chart may be of help if scaling doesn't allow to display all necessary data on the screen. Scrolling is shifting the price data on the chart to the left and to the right. It is done by left and right cursor keys of the keyboard. Besides, the chart may be scrolled by a mouse. Pressing the left mouse button in any point of the chart you just move cursor left or right. Using quick navigation line you can display the wanted area of the chart, specifying time and date. In case the chart is shifted to the area with no price data, lacking bars will be automatically downloaded. "Auto-scrolling" is designed to permanently keep track of the latest bars. Whatever area is displayed currently on the screen, auto-scrolling will shift the chart to the let you see the latest bars. This function is enabled by on "Charts" command or "Charts — Auto Scroll" menu command. "Shift the chart" function shifts the last bar from the right edge of the screen.
  This function is enabled by button button on "Charts" toolbar or by "Charts — Chart Shift" menu command.


• Working with templates
  Templates are records of characteristics of chart's window and imposed elements. The template saved information on chart type, period, scale and line studies settings, technical and custom indicators. Templates facilitate quick adjustment of many different charts to a common type. Templates control menu will appear if you use menu command "Charts — Template", the same command of the chart's context menu and button on "Charts" toolbar. Menu command "Save Template…" allows to save a new template, and command "Remove Template" will delete the earlier saved one.


• Data update
  Data is updated in case some mistakes occur or blank spaces in the price chart. Data updating is done by menu command "Charts — Refresh" or similar command of the chart's context menu. Besides, to fill the blank spaces you can just move the chart to a correspondent area. When performing all these operations, the missing data is downloaded from the server and is displayed on the chart. Remember that number of bars, displayed on the chart, should not exceed the value, indicated in options.

Working with mouse
Charts are controlled directly by mouse in the following manner:

• pressing the left mouse button in any point of the chart and its further horizontal moving will scroll the chart;
• pressing the left mouse button on the chart's vertical scale and cursor's further vertical moving will change the vertical scale of the chart;
• pressing the left mouse button on the chart's horizontal scale (except for the quick navigation line area) and cursor's further horizontal moving will change the chart's scale;
• pressing the mouse's right button in any point of chart's window will invoke context menu;
• double click of the left mouse button on the elements of technical indicators (lines, symbols, bar chart's columns, etc.) invokes window of correspondent indicator's settings;
• double click of the left mouse button on the object (line studies, text, geometrical figure or arrow) will select the object;
• pressing of the left mouse button on the selected object, followed by moving, will move the selected object;
• Ctrl + pressing the left mouse button on the selected trend line, followed by moving, will draw a parallel trend line (create a channel);
• pressing the right mouse button on the selected object will open the window of object's settings.

Controlling chart using context menu commands.
A part of context menu commands are designed to manage the chart:

• Expert Advisors
  sub-menu of advisors control;


• Remove Script
  remove running script;


• Indicators
  window controlling technical parameters;


• Periodicity
  sub-menu to control chart's period;


• Template
  sub-menu to control templates;


• Refresh
  updating historical data. At this all missing data within available history will be downloaded. The same action may be done by similar command in "Charts" menu;


• Zoom In
  zoom in. The same may be done by similar command in "Charts" menu, pressing key "+" or pressing button of "Charts" toolbar;


• Zoom Out
  zoom out. The same action may be done by similar command in "Charts" menu, pressing key "+" or pressing button of "Charts" toolbar;


• Delete Indicator Window
  deleting the indicator window. Attention: Command "Delete Indicator Window" is activated only in case the context menu is opened in the indicator window.


• Save as
  to save instrument's historical data. The data are stored in a file with extensions "CSV", "PRN" θ "HTM". The same may be done by "File — Save as" menu command or by accelerator keys Ctrl+S;


• Print Preview
  preview of the chart. The same action may be done by "File — Print Preview" menu command or by button on "Standard" toolbar;


• Print
  printing the chart. If "Color print" option is enabled in the program options, it is possible to print a color chart. The same action may be done by "File — Print" menu command, accelerator keys Ctrl+P or button of "Standard" toolbar;


• Properties
  program options. Execution of the command "Properties" depends on where the context menu was started. If the context menu is started on the chart, it will open the chart properties window. If context menu is started from the indicator window, "Properties" will start settings of indicator parameters. This may be also done by the F8 hotkey.

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