Main line tree's branches placement options.
| Constant | 
Value | 
Description | 
| esriSchematicAlgoMainLineLeft | 
0 | 
Branches coming out from the main line are placed on the left side of this main line. | 
| esriSchematicAlgoMainLineRight | 
1 | 
Branches coming out from the main line are placed on the right side of this main line. | 
| esriSchematicAlgoMainLineCenter | 
2 | 
Branches coming out from the main line are placed on the both sides of this main line. | 
 
Product Availability
Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server. Requires Schematics Extension.