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This script draws the tank that houses the inner walls and baffles of the floc tank. The script then draws the inner walls and subtracts the ports between the channels

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[!Floc Tank Basics.PNG|width=450px!|AutoCAD Channel Program]
Northeast Isometric View
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h3. Technical Program Outline

*local* \- [Layer{~}new~|AutoCAD Basics Layer] creates a new dark grey layer, "floctank."

local <\- layer{~}new~("floctank",dkgrey)

*local* \- is redefined as the "floctank" layer and the tank that houses the inner walls of the baffles and the floc tank, both stacked.

local <\- stack(local, Tank(floc

{~}origin~, totalfloc

{~}dim~, T

{~}PlantWall~))

*for loop* \- the for loop draws the inner walls and then subtracts the ports between channels for each wall. Local is then stacked with the inner walls and subtractions iteratively.

for i from 0..N

{~}FlocChannels~ \- 2
local<-stack(local, box(wall{~}origin 0,

i~, wall{~}origin 0,

i~ + wall

{~}dim~), box(flocport{~}origin 0,

i~, flocport{~}origin 0,

i~ + flocport{~}dim 0,

i~), subtract(wall

{~}origin~, flocport

{~}origin~))

*bigunion1* unions all objects drawn thus far into a single object.

bigunion1 <\-

 union{~}allA~

*layerset1* \- selects the layer "0"

layerset1 <\- layer

{~}set~ ("0")

*layerfreeze1* \- [Layer{~}freeze~|AutoCAD Basics Layer] locks the layer "floctank" so that it cannot be edited.

layerfreeze1 <\- layer

{~}freeze~("floctank")

*one* <\- stack(local, bigunion1, layerset1, layerfreeze1)

*floc{*}{*}{~}origin{~}* =
* x: Plant{~}Origin0~
* y: Plant~origin1\~ + N{~}SedTanks~(W{~}Sed~ + T{~}PlantWall~)
* z: Plant{~}Origin2~

*totalfloc{*}{*}{~}dim{~}* =
* x: L{~}FlocTank~/N{~}FlocChannels~
* y: (N{~}FlocChannels~\*W{~}FlocChannels~) + ((N{~}Floc Channels~ \- 1)*T{~}PlantWall~)
* z: H{~}Floc~

*T{*}{*}{~}PlantWall{~}* \- specifies the thickness of the tank.
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