Indicators for MT4 / Expert ClusterDelta_Server

Expert ClusterDelta_Server / Data download accelerator

As it is impossible to add more than one expert to the chart as with the indicator the decision was made to combine several tasks within the ClusterDelta_Server expert:

• Data download accelerator
• Authorizer
• Volume histogramm on the chart

Download Accelerator is the main task of this Expert Advisor. For the accelerator running with all indicators on all the charts you only need to add one Expert to any chart of any timeframe (within one kind of the MetaTrader 4 terminal). The interaction between the accelerator and the indicator occurs automatically. The Expert after addition to the chart signals to all indicators that it can perform as the accelerator. The indicator sets the task to the Expert what exactly to receive and after receiving the Expert saves the result to the file where afterwards the indicator takes the data for a display.

The main advantage of this method is that unlike the indicator the Expert operates in the parallel thread and has no effect on the terminal when downloading data. If the Expert is off or doesn’t respond for a long time the indicator switches to auto mode and receives data independently.

It is highly recommended to use this Expert Advisor when working with the Standard indicators. With sufficiently big quantity of indicators it is allowed to use several Experts (on different charts) to accelerate the process of data exchanging and downloading.

This Expert does not require the trade permition function that’s why for the Expert the smiley's emotion in the upper right corner is not important.

Authorizer - for those who can not (or do not want to) use an external utility or login the site for the authorization the Expert Advisor provides such a function. In the field ClusterDelta_Account you need to enter your account name (used in the account).In the ClusterDelta_Hash field please type symbols in special order - HASH. ATTENTION: do not enter the password in this field !!! HASH can be found at http://my.clusterdelta.com/settings (please make sure that you are logged in).

In the "Current authorization status" window opposite the "HASH for MT4" field please copy the HASH and paste it to this field. This is an element of security as in MT4 there are no fields in which the result of input is hidden. HASH is not a password, you cant login your account with its help but do not transmit or display the password in your screenshots. The password field is specially located at the very bottom in case if necessary when the Expert settings are opened you could hide it with the height of the settings panel.

Volume indicator on the chart - if required the user can set a volume histogram at the bottom of the tool (similar to the ClusterDelta_Volume_Chart indicator) but unlikely to the indicator in the left part of the window there is an additional Control in the form of a vertical scroll line to scale the chart. Also when there are comments in the screen’s upper left next to another information the value of the current volume is displayed separately.

Description of indicator parameters:

• HELP_URL (the default value of "http://my.clusterdelta.com/server is a text comment with a link where you can find a description of the indicator settings. It has no effect on the indicator.
• Show_Volumes_Histogram (the default value is "false") - shows (true) or doesn’t show (false) the histogram of volume on the chart
• Show_Comments (the default value is "true") - show (true) or doesn’t show (false) comments of the current settings in the screen’s upper left (these comments may be replaced by other indicators or experts)
• Instrument (the default value is "AUTO") as many dealing centers (DCs) within the same instruments can use different tickers names this parameter allows you to specify the name of the ticker from which the data will be imported. If the value is "AUTO" the server tries to identify the required ticker analyzing the name of the instrument from the DC.
• MetaTrader_GMT (the default is "AUTO") - as each DC individually sets the data server to display data correctly in the indicator you should specify the time zone of the DC server. Unfortunately, there are no built-in methods for this parameter determining, so in the AUTO mode the server compares the time of the last quotation of the client. During weekends and trade breaks manual setting of this parameter is recommended. This parameter has no effect on the Expert as the accelerator. The parameter MetaTrader_GMT is received from the indicator.
• Update_Time (default value is "30") - This parameter sets the frequency of update in seconds for the histogram of volume.
• Volumes_Hist_Color (the default value of "DodgerBlue") is the color of the volume histogram
• Allow_inScreen_Scaling (default value is "true") - if set to "true" the volume histogram is scaled within the visible area of the window, with the"false" value the scaling is based on the maximum volume level of the whole downloaded period.
• Indicator_Area_in_percent (the default value is "25") - the height in percentage of the visible height of the chart window.
• Comment_Authorization (the default value is "--- Authorization Data ---") is a text comment, it has no effect on the indicator.
• Comment_Your_Authorisation_HASH _ (the default value "is here http://my.clusterdelta.com/settings") is a text comment, it has no effect on the indicator but reminds that HASH is to be received at http://my.clusterdelta.com/settings
• Clusterdelta_Account (the default value ("Your ClusterDelta.com Username)") - the user’s name on clusterdelta.com
• Clusterdelta_Hash (the default value is "") - HASH received from http://my.clusterdelta.com/settings (do not enter your password here !!!)
• Comment_Authorization__ (the default value is "Never show data above to others") - this is a text comment, it has no effect on the indicator.

We would like to remind you that you can change the Expert's settings with F7 key or just left-mouse click on the chart -> Experts-> Properties

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