Inserting Multiple Calculation Areas 
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This section teaches you how to insert and group multiple calculation areas. Open drawing esite in the 11 Inserting Multiple Calculation Areas folder, or continue to use the drawing you were working on in the last tutorial section. If you are continuing to work in a drawing that you previously worked in, use the standard CAD ERASE command to erase the calculation area boundary on your drawing. If you are using the drawing in the 11 Inserting Multiple Calculation Areas folder, this area will already be erased.
Ribbon: DM Photometrics>Calculation Areas> Insert Calculation Area Pulldown Menu: DM Photometrics>Insert Calculation Area
Inserting an Additional Area Linked to Another Area
Ribbon: DM Photometrics>Calculation Areas> Insert Calculation Area Pulldown Menu: DM Photometrics>Insert Calculation Area
The newly inserted area and the first area will be grouped together. The values in the calculation schedule will be based upon the footcandle levels in both areas. Run the Calculate command to see the changes in the footcandle levels. Leave the settings as they are and press the OK button. Ribbon: DM Photometrics>Calculate> Calculate Pulldown Menu: DM Photometrics>Calculate Inserting an Additional Area with a Separate Schedule
Ribbon: DM Photometrics>Calculation Areas> Insert Calculation Area Pulldown Menu: DM Photometrics>Insert Calculation Area
The values in the calculation schedule on top will be based upon the footcandle levels in the top two areas. The values in the calculation schedule on bottom will be based upon the footcandle levels in the bottom area. Run the Calculate command to see the changes in the footcandle levels. Leave the settings as they are and press the OK button. Ribbon: DM Photometrics>Calculate> Calculate Pulldown Menu: DM Photometrics>Calculate You will be prompted to specify which area to calculate. Specify a point inside the bottom area. The footcandle levels in the bottom area will be calculated. The footcandle levels in the upper two areas will not be calculated. Linking an Area with Another Area
Ribbon: DM Photometrics>Calculation Areas> Add to Group Pulldown Menu: DM Photometrics>Add Calculation Area to Group
The bottom calculation schedule will be erased. The bottom area is now grouped with the top two areas. The values in the remaining calculation schedule will be based upon the footcandle levels in all three areas. Run the Calculate command to see the changes in the footcandle levels. Leave the settings as they are and press the OK button. Ribbon: DM Photometrics>Calculate> Calculate Pulldown Menu: DM Photometrics>Calculate There is now only one group on the drawing, so you will not be prompted to select which area to calculate. All three areas will be calculated and the calculation schedule updated. Remove Link between Areas
Ribbon: DM Photometrics>Calculation Areas> Remove from Group Pulldown Menu: DM Photometrics>Remove Calculation Area from Group
Ribbon: DM Photometrics>Calculate> Calculate Pulldown Menu: DM Photometrics>Calculate
Ribbon: DM Photometrics>Calculate> Calculate Pulldown Menu: DM Photometrics>Calculate

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