Design Master allows you to specify how often you want the program to take a photometric reading.
To set the point by point grid spacing, go to
DM Electrical
Outdoor PhotometricsSet Photometric Grid Spacing
The Photometric Grid Spacing dialog box will appear.
Set how far apart you wish Design Master to calculate and display the foot-candle in both the X and Y directions. Enter the spacing in feet-inches. Press OK to complete the command and return to the drawing.