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Custom studies can be created from scratch or existing studies modified by using the PowerLanguage Editor.
Studies can be classified into three types: '''Indicators''', '''Signals''', and '''Functions'''.
An '''Indicator''' is a visual technical analysis tool, used to analyze market conditions and identify and forecast trends and market patterns. An indicator is a visualization of a mathematical formula, and consists of one or more Plots – lines, histograms, series of points or crosses, highs and lows, left and right ticks, or a combination of the above.
A '''Signal''' is a mechanical technical analysis tool, used to systematically specify market entry or exit points according to a set of trading rules implemented in the signal's algorithm. The trade points are indicated on a chart by ticks and arrows. Signals can be viewed as the basic building blocks of strategies.
A '''Function''' is an independent procedure (subroutine) that can be called from another script to carry out a specific task.
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== Creating Indicators ==
To create an indicator:
# Open '''New''' dialog box by clicking the '''New''' http://www.multicharts.com/img/wiki/toolbar/PLE/01_New.gif icon on the toolbar, by selecting '''File '''in the main menu and clicking '''New''', or by using the Ctrl+N keyboard shortcut.
# Select '''Indicator'''.
# Enter the indicator name.
# Click '''OK'''.
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== Creating Signals ==
To create a signal:
# Open '''New '''dialog box by clicking the '''New '''http://www.multicharts.com/img/wiki/toolbar/PLE/01_New.gif icon on the toolbar, by selecting '''File '''in the main menu and clicking '''New''', or by using the Ctrl+N keyboard shortcut.
# Select '''Signal'''.
# Enter the signal name.
# Click '''OK'''.
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== Creating Functions ==
To create a function:
# Open '''New''' dialog box by clicking the '''New''' http://www.multicharts.com/img/wiki/toolbar/PLE/01_New.gif icon on the toolbar, by selecting '''File '''in the main menu and clicking '''New''', or by using the Ctrl+N keyboard shortcut.
# Select '''Function'''.
# Enter the function name.
# Select the '''Return Type'''.
# Select the '''Function Storage'''.
# Click '''OK'''.
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== Available Studies List ==
A list of all available studies can be viewed in the '''Open''' window. Studies' '''Name''', '''Type''', '''Status''', and the last modification date ('''Modified''') are displayed in the list.
Studies can be opened for editing, deleted, and studies' properties modified, from the '''Open''' window.
To open the '''Open''' window:
#Click the '''Open '''http://www.multicharts.com/img/wiki/toolbar/PLE/02_Open.gif icon on the toolbar.
#The '''Open '''window can also be opened by selecting '''File '''in the main menu and clicking '''Open''', or by using the Ctrl+O keyboard shortcut.
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'''Study List'''
The list of available studies, displayed in the '''Open '''window, can be set to include one or more of the following study types: Indicators, Signals, and Functions. To select the study types to be listed, select or clear the appropriate checkboxes in the '''Study Type '''section.
In the list, each study's name, type, status, and last modification date and time are displayed in the '''Name''', '''Type''', '''Status''', and '''Modified '''columns. The list can be sorted by any column, in ascending or descending order, by clicking on the column header:
* '''Name '''column displays the study's name.
* '''Type '''column displays the study's type: Indicator, Signal, or Function.
* '''Status '''column displays the study's status:
** '''Compiled''' http://www.multicharts.com/img/wiki/PLE/Compiled.gif - the study is ready to be used; to learn more, see [[<span style="color: red;">'''LINK'''</span>/03_PLE/31-0103_WorkingStudies.html name="2"; |Compiling Studies]]
** '''Protected''' http://www.multicharts.com/img/wiki/PLE/Protected.gif - the study cannot be opened for editing, and the study’s code cannot be viewed; to learn more, see [[<span style="color: red;">'''LINK'''</span>/03_PLE/31-0103_WorkingStudies.html name="3"; |Protecting Studies]]
** No status is displayed – the study has to be compiled before it can be used; to learn more, see [[<span style="color: red;">'''LINK'''</span>/03_PLE/31-0103_WorkingStudies.html name="2"; |Compiling Studies]]
* '''Modified''' column displays the date and time that the most recent study modification has been made.
To scroll through the list of studies, use the scrollbar on the right side of the list, or the UP ARROW and DOWN ARROW keys on the keyboard.
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== Opening Studies ==
To open a study:
# Open the '''Open '''window.
#: To open the '''Open '''window:
#:# Click the '''Open''' http://www.multicharts.com/img/wiki/toolbar/PLE/02_Open.gif icon on the toolbar.
#:# The '''Open '''window can also be opened by selecting '''File '''in the main menu and clicking '''Open''', or by using the Ctrl+O keyboard shortcut.
# In the Study Type section, select or clear '''Indicator''', '''Signal''', and/or '''Function''' checkboxes to specify the types of studies to be included in the list.
# Select one or more studies to be opened; several studies can be selected at once by holding down Ctrl or/and Shift keys while making the selection. All studies can be selected by using the Ctrl+A keyboard shortcut, or by clicking any study’s name and then clicking '''Select All'''.
# Click '''OK''' or double-click the selected study.
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== Saving Studies ==
To save a study in PowerLanguage Editor, click the '''Save''' http://www.multicharts.com/img/wiki/toolbar/PLE/03_Save.gif icon on the toolbar. A study can also be saved by selecting '''File''' in the main menu and clicking '''Save''', or by using the Ctrl+S keyboard shortcut.
All studies, currently open in PowerLanguage editor, can be saved by selecting '''File''' in the main menu and clicking '''Save All''', or by using the Ctrl+Shift+S keyboard shortcut.
<div style="background-color: #E3FBE5;">Note: If no modifications have been made to studies, the '''Save''' icon on the toolbar and '''Save''' commands will not be available.</div>
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== Renaming Studies ==
A study can be renamed by one of the following methods:
* Click the '''Properties''' http://www.multicharts.com/img/wiki/toolbar/PLE/13_Properties.gif icon on the toolbar; in the '''Properties''' tab of the '''Properties '''dialog box that appears, in the '''Name''' box, enter the new study name and click '''OK'''.
* Right-click within the study’s window and then click '''Properties'''; in the '''Properties''' tab of the '''Properties '''dialog box that appears, in the '''Name''' box, enter the new study name and click '''OK'''.
* Select '''File''' in the main menu and click '''Save As'''; in the dialog box that appears, enter the new study name and click '''OK'''.
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A study can also be renamed from the '''Open '''window. To rename a study from the '''Open '''window:
# Open the '''Open '''window.
#: To open the '''Open '''window:
#:# Click the '''Open''' http://www.multicharts.com/img/wiki/toolbar/PLE/02_Open.gif icon on the toolbar.
#:# The '''Open '''window can also be opened by selecting '''File '''in the main menu and clicking '''Open''', or by using the Ctrl+O keyboard shortcut.
# In the Study Type section, select or clear '''Indicator''', '''Signal''', and/or '''Function''' checkboxes to specify the types of studies to be included in the list.
# Right-click the study to be renamed, and then click '''Edit'''.
# In the '''Properties''' tab of the '''Properties''' dialog box that appears, in the '''Name '''box, enter the new study name and click '''OK'''.
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== Closing Studies ==
A study can be closed by one of the following methods:
* Click the '''Close''' icon on the study's title bar.
* Right-click on the study's window tab, and then click '''Close'''.
* Select '''File''' in the main menu and click '''Close'''.
* Use the Alt+F4 keyboard shortcut.
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== Deleting Studies ==
To delete a study:
# Open the '''Open''' window.
#: To open the '''Open '''window:
#:# Click the '''Open''' http://www.multicharts.com/img/wiki/toolbar/PLE/02_Open.gif icon on the toolbar.
#:# The '''Open '''window can also be opened by selecting '''File '''in the main menu and clicking '''Open''', or by using the Ctrl+O keyboard shortcut.
# In the Study Type section, select or clear '''Indicator''', '''Signal''', and/or '''Function''' checkboxes to specify the types of studies to be included in the list.
# Select one or more studies to be deleted; several studies can be selected at once by holding down Ctrl or/and Shift keys while making the selection. All studies can be selected by using the Ctrl+A keyboard shortcut, or by clicking any study’s name and then clicking '''Select All'''.
# Press the Delete key on the keyboard, or right-click the study to be deleted, and then click '''Delete'''.
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== Editing Study Properties ==
Study properties can be edited from the Properties window.
Properties window can be opened by one of the following methods:
* Click the '''Properties '''http://www.multicharts.com/img/wiki/toolbar/PLE/13_Properties.gif icon on the toolbar.
* Right-click within the study’s window and then click '''Properties'''.
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'''Properties '''window can be opened from the '''Open '''window. To open the '''Properties '''window from the '''Open '''window:
# Open the '''Open '''window.
#: To open the '''Open '''window:
#:# Click the '''Open''' http://www.multicharts.com/img/wiki/toolbar/PLE/02_Open.gif icon on the toolbar.
#:# The '''Open '''window can also be opened by selecting '''File '''in the main menu and clicking '''Open''', or by using the Ctrl+O keyboard shortcut.
# In the Study Type section, select or clear '''Indicator''', '''Signal''', and/or '''Function''' checkboxes to specify the types of studies to be included in the list.
# Right-click the study, the properties of which are to be edited, and then click '''Edit'''.
To learn more about studies properties, see [[<span style="color: red;">'''LINK'''</span>/03_PLE/31-0103_WorkingStudies.html name="4"; |Default Properties]]
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[[Category:PowerLanguage Editor]]
