General Program Information
This program draws the exit port into the sed tank.This code is the same for both horizontal and vertical flocculators.
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Exit Port to Sed Tank
Technical Program Information
1) A new layer "flocchannelhole" is created.
2) A box is drawn for the port at the appropriate location.
3) The layer is set to zero.
4) The "floctank" layer is thawed.
5) The viewtop1 function is used to ensure that the floctank is entirely in view, allowing the subtraction to be executed in one step.
6) The port is subtracted from the floc tank.
7) All elements drawn so far are unioned.
8) The "floctank" layer is frozen.
9) The "flocchannelhole" layer is frozen.