howtos:toolcoding:unit_of_measure_conversions
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howtos:toolcoding:unit_of_measure_conversions [2011/06/17 12:44] marcus.williams |
howtos:toolcoding:unit_of_measure_conversions [2011/06/17 15:59] chris.strashok |
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| ===== Example ===== | ===== Example ===== | ||
| - | For this example we are going be importing fuel consumption data in mpg and converting the output to km/L | + | For this example we are going be importing floor area data in m<sup>2</sup> and converting the output to ft<sup>2</sup> |
| First we need to define the required altUom measures in Documenter. | First we need to define the required altUom measures in Documenter. | ||
| Line 25: | Line 25: | ||
| * Go to the measures tab and click the Add button | * Go to the measures tab and click the Add button | ||
| - | {{:howtos:toolcoding:measurestab.gif|}} | + | {{:howtos:toolcoding:measurestab_rev2.gif|}} |
| This will open the Measure Information window | This will open the Measure Information window | ||
| Line 33: | Line 33: | ||
| * Define the new altUom measures as follows: | * Define the new altUom measures as follows: | ||
| - | **Mile** \\ | + | **m2** \\ |
| Measure Type - Scientific Measure \\ | Measure Type - Scientific Measure \\ | ||
| - | Name - mile \\ | + | Name - m2 \\ |
| - | SI Signature - m^1 \\ | + | SI Signature - m^2 \\ |
| - | Conversion to SI units - 0.000621371 \\ | + | Conversion to SI units - 1 \\ |
| - | **US Gallon** | + | **ft2** \\ |
| Measure Type - Scientific Measure \\ | Measure Type - Scientific Measure \\ | ||
| - | Name - USgallon \\ | + | Name - ft2 \\ |
| - | SI Signature - m^3 \\ | + | SI Signature - m^2 \\ |
| - | Conversion to SI units - 264.172 \\ | + | Conversion to SI units - 10.7639 \\ |
| - | + | ||
| - | **Kilometer** | + | |
| - | Measure Type - Scientific Measure \\ | + | |
| - | Name - km \\ | + | |
| - | SI Signature - m^1 \\ | + | |
| - | Conversion to SI units - 0.001 \\ | + | |
| - | + | ||
| - | **Litre** | + | |
| - | Measure Type - Scientific Measure \\ | + | |
| - | Name - litre \\ | + | |
| - | SI Signature - m^3 \\ | + | |
| - | Conversion to SI units - 1000 \\ | + | |
| Once the altUom's have been created we need to apply them to the shapes of our variables fuelConIn and fuelConOut. | Once the altUom's have been created we need to apply them to the shapes of our variables fuelConIn and fuelConOut. | ||
| - | {{:howtos:toolcoding:diagram.gif|}} | + | {{:howtos:toolcoding:diagram_rev1.gif|}} |
| - | We will need to set the altUom for the varialbe fuelConIn to mpg and the altUom for the variable fuelConOut to km/L. | + | We will need to set the altUom for the variable floorSpaceIn to m2 and the altUom for the variable floorSpaceOut to ft2. |
| To do this: | To do this: | ||
| - | * Double click on the variable fuelConIn in the diagram. This will open the Variable Information window. | + | * Double click on the variable floorSpaceIn in the diagram. This will open the Variable Information window. |
| * Navigate to the More Shape tab | * Navigate to the More Shape tab | ||
| - | {{:howtos:toolcoding:variableinfo2.gif|varible info 2 image}} | + | {{:howtos:toolcoding:variableinfo3.gif|}} |
| * Click on the {{:howtos:toolcoding:triangle-button.gif|}} button to access the Units window | * Click on the {{:howtos:toolcoding:triangle-button.gif|}} button to access the Units window | ||
| - | {{:howtos:toolcoding:unitswindow.gif|units image}} | + | {{:howtos:toolcoding:unitswindow2_rev1.gif|}} |
| - | * Specify mile as the numerator and USgallon as the denominator | + | * Specify m2 as the numerator |
| * Click OK to exit the Units window | * Click OK to exit the Units window | ||
| * Click Ok to exit the Variable Information window | * Click Ok to exit the Variable Information window | ||
| - | Repeat this process for the variable fuelConOut with km as the numerator and litre as the denominator | + | Repeat this process for the variable floorSpaceOut with ft2 as the numerator |
| - | * Now we can set fuelConOut equal to fuelConIn in procedure 1 using the following code | + | * Now we can set floorSpaceOut equal to floorSpaceIn in procedure 1 using the following code |
| <code> | <code> | ||
| - | fuelConOut[vt,t]=fuelConIn[vt,t] | + | floorSpaceOut[fs,t]=floorSpaceIn[fs,t] |
| </code> | </code> | ||
| - | After [[howtos:model_loading|loading the model from Documenter into SAMM]] and [[howtos:workwithdata:a_simple_import_view|importing the source data]] into SAMM we can see how the source data which is in mpg gets converted to km/l in the target variable in the tables below | + | After [[howtos:model_loading|loading the model from Documenter into SAMM]] and [[howtos:workwithdata:a_simple_import_view|importing the source data]] into SAMM we can see how the source data which is in m2 gets converted to ft2 in the target variable in the tables below |
| - | **fuelConIn** \\ | + | **floorSpaceIn** \\ |
| - | {{:howtos:toolcoding:fuelconin.gif|}} | + | {{:howtos:toolcoding:floorspacein.gif|}} |
| - | **fuelConOut** \\ | + | **floorSpaceOut** \\ |
| - | {{:howtos:toolcoding:fuelconout.gif|}} | + | {{:howtos:toolcoding:floorspaceout.gif|}} |
howtos/toolcoding/unit_of_measure_conversions.txt · Last modified: 2011/06/17 15:59 by chris.strashok
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