h3. General Program Information
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Free Rotation Used
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h3. Input Definitions
h5. Inputs Needed to Call the Inlet Slope Function
origin - A 3*1 matrix with x,y,z positions corresponding to the point where the inlet slope will be drawn.
Length - length of the slopes, generally the width of the sedimentation tank
Width - width of the slopes, generally the width of the sedimentation tank
l{~}orifice~ - length of the opening that will allow inlet flow
h{~}orifice~ - height of the opening that will allow inlet flow
thick - thickness of the slopes
n - number of orifices and sections, one section contains one orifice
bigslope - slope of the inlet in degrees
h5. Inputs Defined within the Inlet Slope Function
dim =
*x: Length/2
*y: thick
*z: (Width/2)/cos(bigslope)
box{~}dim~ = origin + dim
orifice{~}origin~ =
*x: origin{~}0~ + dim{~}0~/2 - 1{~}orifice~/2
*y: origin{~}1~
*z: origin{~}2~
orifice{~}dim~ =
*x: origin{~}0~ + dim{~}0~/2 + 1{~}orifice~/2
*y: origin{~}1~ + dim{~}1~
*z: origin{~}2~ + h{~}orifice~
mirror{~}point1~ =
*x: origin{~}0~
*y: origin{~}1~
mirror{~}point2~ =
*x: origin{~}0~ + zc
*y: origin{~}1~
nrow = 1
ncol = n
dist =Length/n
win1 =
*x: origin{~}0~ - zc
*y: origin{~}1~ - zc
*z: origin{~}2~ - zc
win2 =
*x: origin{~}0~ + dim{~}0~ - zc
*y: origin{~}1~ + dim{~}1~ - zc
*z: origin{~}2~ + dim{~}2~ - zc
*Note:* zc corresponds to the zoom constant used within AutoCAD, defined by the basics file.
h3. Technical Program Outline
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Top View
{float}
*viewtop* \- sets the workspace so that the user is viewing the top of the object.
viewtop <-- viewtop
*zoom{*}{*}{~}win{~}*\- zooms on a window space directly around where the inlet slope is to be drawn.
zoom{~}win~ <--zoom {~}win~(win1, win2)
win1 =
*x: origin{~}0~ - zc
*y: origin{~}1~ - zc
*z: origin{~}2~ - zc
win2 =
*x: origin{~}0~ + dim{~}0~ - zc
*y: origin{~}1~ + dim{~}1~ - zc
*z: origin{~}2~ + dim{~}2~ - zc
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*box1* - draws a box
box1 <-- box(origin, box{~}dim~)
origin = origin
box{~}dim~ = origin + dim
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{float}
*box2* - draws a box that will be subtracted to become the orifice
box2 <-- box(orifice{~}origin~, orifice{~}dim~)
orifice{~}origin~ =
*x: origin{~}0~ + dim{~}0~/2 - 1{~}orifice~/2
*y: origin{~}1~
*z: origin{~}2~
orifice{~}dim~ =
*x: origin{~}0~ + dim{~}0~/2 + 1{~}orifice~/2
*y: origin{~}1~ + dim{~}1~
*z: origin{~}2~ + h{~}orifice~
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[!5a.bmp|width=280px180px!|AutoCAD Sedimentation Tank Inlet Slopes Program]
Southeast Isometric View, Before subtract1
[!5b.bmp|width=280px180px!|AutoCAD Sedimentation Tank Inlet Slopes Program]
Southeast Isometric View, After subtract1
{float}
*subtract1* - subtracts box2 to create an orifice, using the origin to select box1 as the object to be subtracted from, and using orifice{~}origin~ to select box2 as the object to be subtracted
subtract1 <-- subtractD(origin, orifice{~}origin~)
origin = origin
orifice{~}origin~ =
*x: origin{~}0~ + dim{~}0~/2 - 1{~}orifice~/2
*y: origin{~}1~
*z: origin{~}2~
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Southeast Isometric View, Before array
[!6.bmp|width=280px!|AutoCAD Sedimentation Tank Inlet Slopes Program]
Southeast Isometric View, After array
{float}
*array* - replicates the piece n times, with a spacing of dist between each
array <-- arrayB(origin, nrow, ncol, dist)
origin = origin
nrow = 1
ncol = n
dist =Length/n
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Southeast Isometric View
{float}
*union* - Unites all the individual components of the inlet slope to act as a single unit
union <-- union{~}allA~
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Free Rotation used to show rotation
{float}
*rotate* - rotates the inlet slope about the x-axis, with the origin as the pivot, 45 degrees. Information about the rotate3d function can be found in the [Basics Help Page|AutoCAD Basics Program].
rotate <-- rotate{~}3d~(origin, origin, "x", 45)
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Top View, Before mirror
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Top View, After mirror
[!9c.bmp|width=280px!|AutoCAD Sedimentation Tank Inlet Slopes Program]
Free Rotation used
{float}
*mirror* - replicates the original inlet slope drawn by selecting the original inlet slope using the origin, then reflecting it over a mirror line created using to give the slope and direction of the mirror line.
mirror <-- mirror(origin, mirror{~}point1~, mirror{~}point2~)
origin = origin
mirror{~}point1~ =
*x: origin{~}0~
*y: origin{~}1~
mirror{~}point2~ =
*x: origin{~}0~ + zc
*y: origin{~}1~
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