Unit System - Revision history

Aanjum: /* Internal Links */

2012-01-23T22:16:20Z

Internal Links

← Older revision		Revision as of 22:16, January 23, 2012
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	* [[How_to\|How to]]		* [[How_to\|How to]]
	* [[Input Tables and Formulas]]		* [[Input Tables and Formulas]]
			* [[Create and Edit Technologies]]

Aanjum: /* Internal Links */

2012-01-21T23:11:43Z

Internal Links

← Older revision		Revision as of 23:11, January 21, 2012
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	==Internal Links==		==Internal Links==
	* [[How_to\|How to]]		* [[How_to\|How to]]
			* [[Input Tables and Formulas]]

Aanjum: /* How to Define a New Unit */

2012-01-21T23:06:00Z

How to Define a New Unit

← Older revision		Revision as of 23:06, January 21, 2012
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	[[File:DefineNewUnit.png\|thumb\|right\|200px\|Defining a New Unit in Greet]]		[[File:DefineNewUnit.png\|thumb\|right\|200px\|Defining a New Unit in Greet]]
	If a user wishes to interact with the data using a unit not provided in Greet the software allows the user to define their own custom units. This can be done by pressing "Preferences", "General Settings", then clicking "Custom Units", and selecting "Add Custom Unit". A new window should pup up that will allow you to create the new unit. This window is shown on the right.		If a user wishes to interact with the data using a unit not provided in Greet the software allows the user to define their own custom units. This can be done by pressing "Preferences", "General Settings", then clicking "Custom Units", and selecting "Add Custom Unit". A new window should pup up that will allow you to create the new unit. This window is shown on the right.


	Defining a new unit is a straight forward process. First you must give the unit a name. In the screenshot shown the user named their unit "New_Mass_Unit". The next parameter to choose is the "Unit Group" of the new unit. A "Unit Group" defines what the new unit will measure. May it be mass, distance, volume, etc. In the screenshot shown the user selected mass. Next we can give the unit an abbreviation just as we use "m" for meter or "j" for joules. The abbreviation will be presented next to a value that uses this unit in Greet. In the example of the screenshot: If something weighed four New_Mass_Units, it would be displayed in Greet as "4 NMU".		Defining a new unit is a straight forward process. First you must give the unit a name. In the screenshot shown the user named their unit "New_Mass_Unit". The next parameter to choose is the "Unit Group" of the new unit. A "Unit Group" defines what the new unit will measure. May it be mass, distance, volume, etc. In the screenshot shown the user selected mass. Next we can give the unit an abbreviation just as we use "m" for meter or "j" for joules. The abbreviation will be presented next to a value that uses this unit in Greet. In the example of the screenshot: If something weighed four New_Mass_Units, it would be displayed in Greet as "4 NMU".


	Lastly you must define the conversion formula to convert the newly defined unit to the default unit in the selected unit group. For example in the screenshot the user selected the unit group mass. The default mass unit is kilograms which is shown on the bottom of the "Add New Unit" window. If the user were to select distance the default unit would be meters. In the screenshot the user indicated that in order to convert the New_Mass_Unit into kilograms one must divide it by 685. In other words the user defined that: 685 New_Mass_Unit = 1 Kilogram. After all the parameters have been defined press the "Save" button on the bottom of the "Add New Unit" window.		Lastly you must define the conversion formula to convert the newly defined unit to the default unit in the selected unit group. For example in the screenshot the user selected the unit group mass. The default mass unit is kilograms which is shown on the bottom of the "Add New Unit" window. If the user were to select distance the default unit would be meters. In the screenshot the user indicated that in order to convert the New_Mass_Unit into kilograms one must divide it by 685. In other words the user defined that: 685 New_Mass_Unit = 1 Kilogram. After all the parameters have been defined press the "Save" button on the bottom of the "Add New Unit" window.

Aanjum: /* How to Define a New Unit */

2012-01-21T23:05:51Z

How to Define a New Unit

← Older revision		Revision as of 23:05, January 21, 2012
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	===How to Define a New Unit===		===How to Define a New Unit===
	[[File:DefineNewUnit.png\|thumb\|right\|200px\|Defining a New Unit in Greet]]		[[File:DefineNewUnit.png\|thumb\|right\|200px\|Defining a New Unit in Greet]]
	If a user wishes to interact with the data using a unit not provided in Greet the software allows the user to define their own custom units. This can be done by pressing "Preferences", "General Settings", then clicking "Custom Units", and selecting "Add Custom Unit" ~~under the "Preferred Units" tab~~. A new window should pup up that will allow you to create the new unit. This window is shown on the right.		If a user wishes to interact with the data using a unit not provided in Greet the software allows the user to define their own custom units. This can be done by pressing "Preferences", "General Settings", then clicking "Custom Units", and selecting "Add Custom Unit". A new window should pup up that will allow you to create the new unit. This window is shown on the right.


	Defining a new unit is a straight forward process. First you must give the unit a name. In the screenshot shown the user named their unit "New_Mass_Unit". The next parameter to choose is the "Unit Group" of the new unit. A "Unit Group" defines what the new unit will measure. May it be mass, distance, volume, etc. In the screenshot shown the user selected mass. Next we can give the unit an abbreviation just as we use "m" for meter or "j" for joules. The abbreviation will be presented next to a value that uses this unit in Greet. In the example of the screenshot: If something weighed four New_Mass_Units, it would be displayed in Greet as "4 NMU".		Defining a new unit is a straight forward process. First you must give the unit a name. In the screenshot shown the user named their unit "New_Mass_Unit". The next parameter to choose is the "Unit Group" of the new unit. A "Unit Group" defines what the new unit will measure. May it be mass, distance, volume, etc. In the screenshot shown the user selected mass. Next we can give the unit an abbreviation just as we use "m" for meter or "j" for joules. The abbreviation will be presented next to a value that uses this unit in Greet. In the example of the screenshot: If something weighed four New_Mass_Units, it would be displayed in Greet as "4 NMU".


	Lastly you must define the conversion formula to convert the newly defined unit to the default unit in the selected unit group. For example in the screenshot the user selected the unit group mass. The default mass unit is kilograms which is shown on the bottom of the "Add New Unit" window. If the user were to select distance the default unit would be meters. In the screenshot the user indicated that in order to convert the New_Mass_Unit into kilograms one must divide it by 685. In other words the user defined that: 685 New_Mass_Unit = 1 Kilogram. After all the parameters have been defined press the "Save" button on the bottom of the "Add New Unit" window.		Lastly you must define the conversion formula to convert the newly defined unit to the default unit in the selected unit group. For example in the screenshot the user selected the unit group mass. The default mass unit is kilograms which is shown on the bottom of the "Add New Unit" window. If the user were to select distance the default unit would be meters. In the screenshot the user indicated that in order to convert the New_Mass_Unit into kilograms one must divide it by 685. In other words the user defined that: 685 New_Mass_Unit = 1 Kilogram. After all the parameters have been defined press the "Save" button on the bottom of the "Add New Unit" window.

Aanjum: /* How to Define a New Unit */

2012-01-21T23:05:02Z

How to Define a New Unit

← Older revision		Revision as of 23:05, January 21, 2012
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	[[File:DefineNewUnit.png\|thumb\|right\|200px\|Defining a New Unit in Greet]]		[[File:DefineNewUnit.png\|thumb\|right\|200px\|Defining a New Unit in Greet]]
	If a user wishes to interact with the data using a unit not provided in Greet the software allows the user to define their own custom units. This can be done by pressing "Preferences", "General Settings", then clicking "Custom Units", and selecting "Add Custom Unit" under the "Preferred Units" tab. A new window should pup up that will allow you to create the new unit. This window is shown on the right.		If a user wishes to interact with the data using a unit not provided in Greet the software allows the user to define their own custom units. This can be done by pressing "Preferences", "General Settings", then clicking "Custom Units", and selecting "Add Custom Unit" under the "Preferred Units" tab. A new window should pup up that will allow you to create the new unit. This window is shown on the right.

			Defining a new unit is a straight forward process. First you must give the unit a name. In the screenshot shown the user named their unit "New_Mass_Unit". The next parameter to choose is the "Unit Group" of the new unit. A "Unit Group" defines what the new unit will measure. May it be mass, distance, volume, etc. In the screenshot shown the user selected mass. Next we can give the unit an abbreviation just as we use "m" for meter or "j" for joules. The abbreviation will be presented next to a value that uses this unit in Greet. In the example of the screenshot: If something weighed four New_Mass_Units, it would be displayed in Greet as "4 NMU".

			Lastly you must define the conversion formula to convert the newly defined unit to the default unit in the selected unit group. For example in the screenshot the user selected the unit group mass. The default mass unit is kilograms which is shown on the bottom of the "Add New Unit" window. If the user were to select distance the default unit would be meters. In the screenshot the user indicated that in order to convert the New_Mass_Unit into kilograms one must divide it by 685. In other words the user defined that: 685 New_Mass_Unit = 1 Kilogram. After all the parameters have been defined press the "Save" button on the bottom of the "Add New Unit" window.

	===Technical Notes on Unit System===		===Technical Notes on Unit System===

Aanjum: /* How to Define a New Unit */

2012-01-21T22:54:41Z

How to Define a New Unit

← Older revision		Revision as of 22:54, January 21, 2012
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	===How to Define a New Unit===		===How to Define a New Unit===
	[[File:DefineNewUnit.png\|thumb\|right\|~~300px~~\|Defining a New Unit in Greet]]		[[File:DefineNewUnit.png\|thumb\|right\|200px\|Defining a New Unit in Greet]]
	If a user wishes to interact with the data using a unit not provided in Greet the software allows the user to define their own custom units. This can be done by pressing "Preferences", "General Settings", then clicking "Custom Units", and selecting "Add Custom Unit" under the "Preferred Units" tab. A new window should pup up that will allow you to create the new unit. This window is shown on the right.		If a user wishes to interact with the data using a unit not provided in Greet the software allows the user to define their own custom units. This can be done by pressing "Preferences", "General Settings", then clicking "Custom Units", and selecting "Add Custom Unit" under the "Preferred Units" tab. A new window should pup up that will allow you to create the new unit. This window is shown on the right.

Aanjum: /* How to Define a New Unit */

2012-01-21T22:54:21Z

How to Define a New Unit

← Older revision		Revision as of 22:54, January 21, 2012
Line 23:		Line 23:

	===How to Define a New Unit===		===How to Define a New Unit===
			[[File:DefineNewUnit.png\|thumb\|right\|300px\|Defining a New Unit in Greet]]
			If a user wishes to interact with the data using a unit not provided in Greet the software allows the user to define their own custom units. This can be done by pressing "Preferences", "General Settings", then clicking "Custom Units", and selecting "Add Custom Unit" under the "Preferred Units" tab. A new window should pup up that will allow you to create the new unit. This window is shown on the right.

	===Technical Notes on Unit System===		===Technical Notes on Unit System===

Aanjum: /* Preferences from textbox context menu */

2012-01-21T22:47:30Z

Preferences from textbox context menu

← Older revision		Revision as of 22:47, January 21, 2012
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	====Preferences from textbox context menu====		====Preferences from textbox context menu====
	~~[[File:ChangeUnitfromContext.png\|thumb\|right\|400px\|Change Unit preferences from the context menu]]~~
	The preferred unit for a parameter can also be changed by right clicking on a textbox and going to "Change Unit". This will open a small window which allows changing what unit the value will be displayed in. If the value has multiple units associated with it, such as with the "Heating Value Liquid" in the picture below, then the preferred unit can be selected for each unit group.		The preferred unit for a parameter can also be changed by right clicking on a textbox and going to "Change Unit". This will open a small window which allows changing what unit the value will be displayed in. If the value has multiple units associated with it, such as with the "Heating Value Liquid" in the picture below, then the preferred unit can be selected for each unit group.

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	To switch back to the original units simply follow the same procedure and select the previous units chosen. Their is no harm in switching back and forth the unit system was implemented for the convenience of scientists and engineers to avoid worrying about trivial unit systems.		To switch back to the original units simply follow the same procedure and select the previous units chosen. Their is no harm in switching back and forth the unit system was implemented for the convenience of scientists and engineers to avoid worrying about trivial unit systems.

			[[File:ChangeUnitfromContext.png]]

	===How to Define a New Unit===		===How to Define a New Unit===

Aanjum: /* Technical Notes on Unit System */

2012-01-21T22:45:03Z

Technical Notes on Unit System

← Older revision		Revision as of 22:45, January 21, 2012
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	To switch back to the original units simply follow the same procedure and select the previous units chosen. Their is no harm in switching back and forth the unit system was implemented for the convenience of scientists and engineers to avoid worrying about trivial unit systems.		To switch back to the original units simply follow the same procedure and select the previous units chosen. Their is no harm in switching back and forth the unit system was implemented for the convenience of scientists and engineers to avoid worrying about trivial unit systems.

			===How to Define a New Unit===

	===Technical Notes on Unit System===		===Technical Notes on Unit System===

Aanjum: /* How The Unit System Works */

2012-01-21T22:41:45Z

How The Unit System Works

← Older revision		Revision as of 22:41, January 21, 2012
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	To switch back to the original units simply follow the same procedure and select the previous units chosen. Their is no harm in switching back and forth the unit system was implemented for the convenience of scientists and engineers to avoid worrying about trivial unit systems.		To switch back to the original units simply follow the same procedure and select the previous units chosen. Their is no harm in switching back and forth the unit system was implemented for the convenience of scientists and engineers to avoid worrying about trivial unit systems.

	===~~How The~~ Unit System ~~Works~~===		===Technical Notes on Unit System===
	Essentially the unit system works by storing ~~which unit~~ a value ~~is in~~ for every parameter in the database and then defining conversions to other defined units. The units are split up into groups ~~which~~ contain valid units that the value can be converted in to. There are two types of groups, base groups and derived groups. A base group stores units for basic ~~units~~ such as distance, area, and mass. A derived group contains multiple base groups ~~which~~ allows independently storing preferred units for each group. Each group defines default units for conversion which determines what conversion mathematics that need to be done to convert to other units. The conversion is a two stage process in which the original value is converted to the group's default units and then converted to the desired unit.		Essentially the unit system works by storing a value's unit for every parameter in the database, and then defining conversions to other defined units. The units in Greet are split up into groups. These groups contain valid units that the value can be converted in to. There are two types of groups: base groups and derived groups.

			A base group stores the units for basic unit measurements such as distance, area, and mass. A derived group contains multiple base groups. This system allows independently storing preferred units for each group. Each group defines default units for conversion which determines what conversion mathematics that need to be done to convert to other units. The conversion is a two stage process in which the original value is converted to the group's default units and then converted to the desired unit.

	==Internal Links==		==Internal Links==
	* [[How_to\|How to]]		* [[How_to\|How to]]