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key, draw a circle starting at the "Handle to guide intersection" at the center
of the grid until the "Handle to Path" or "Handle to guide" 'x' appears at the
intersection of the nineteenth (19th, both vertical and horizontal) lines from
the grid center, maintaining thin (0.01 mm) stroke width; zoom to selection
[3],
deselect [Esc], then draw a another circle starting at the center until the 'x'
appears at the first (1st) grid lines from grid center; select all [Ctrl+A], in
Path click "Object to Path" [Shift+Ctrl+C], in Extensions > Generate from path,
"Interpolate" Exponent 1.0, Interpolation steps 17, "Live preview" and in a few
moments, nineteen (19) concentric circles appear grouped together, click Apply,
close "Interpolate" window, in Edit click "Delete"[Delete] to remove the first
two (extra) inner and outer circles; lock layer, save, and close file [Ctrl+W]
to clear "undo history"; reopen this file, zoom to page and add a fourth layer;

click "Draw Bezier curves and straight lines" [B] icon on the toolbox and draw
a horizontal line from the center of grid to the outer edge on the right side,
in Edit click "Duplicate"[Ctrl+D], select all [Ctrl+A], in Object click "Align
and Distribute" [Shift+Ctrl+A], and Relative to "First selected", click "Align
right edges of objects to left edge of the anchor" to move copied line segment
to left side of grid center, in Object "Group" [Ctrl+G]; holding control[Ctrl]
key, select left line segment, in Object "Transform" [Shift+Ctrl+M], in "Move"
set Horizontal -1.000 mm, click Apply, select all, click "Align and Distribute"
[Shift+Ctrl+A], unlock grid layer, hold [Shift+Ctrl] and select grid, Relative
to "Last selected", click "Center on vertical axis", deselect all; select line
segment(group of 2), "Duplicate"[Ctrl+D], in Object "Rotate 90* CW", select all
[Ctrl+A], Group [Ctrl+G], Duplicate [Ctrl+D], Transform [Shift+Ctrl+M], Rotate
Angle +10.000*; again select all, group, duplicate, transform, rotate +20.000*;
select all, group, duplicate, transform, rotate +40.000*; finally, select all,
group, rotate +10.000*(note gaps for horizontal and vertical grid centerlines);
holding [Shift+Ctrl] to preserve aspect ratio, expand this radial grid so that
all lines extend just outside corners of image, set stroke width 0.01 mm; lock
all layers, save, close, backup; reopen file, zoom to page, add a fifth layer;

hide layers 1 , 2, and 4; unlock layer 3 (circles), select all, copy, deselect,
lock layer 3; in layer 5 click "Paste in Place"[Ctrl+Alt+V], ungroup, deselect,
and with guides enabled, select the smallest circle at center, hold the [Shift]
key and stretch the horizontal centerline selection handles one(1) guide square
outward, tangent to the next larger circle as indicated by the snap-enabled 'x'
and "cusp node to guide", resulting in a 2:1 integer-ratio ellipse; repeat this
step for each larger circle, 3:2, 4:3, 5:4, 6:5, 7:6, ... and so on until
19:18;
select all, set stroke width 0.01 mm; the largest circle (19) already exists in
layer 3, so delete it from layer 5; select all, copy, then add a sublayer under
current ellipse layer, paste in place, rotate 90* CW; lock and hide all layers;
save, close, reopen, zoom to page; show layers 1 (image) and 3 (circles); add a
sixth layer; starting at center draw a circle just large enough to circumscribe
entire image; set color fill to blue (hexadecimal RGBA #0000ffff), stroke width
zero(0), zoom to selection; in circle/arc toolbar set "Start" 355.000 and "End"
5.000, for a 10 degree circle sector centered on 0 polar degrees; in Path click
"Path Effects" [Ctrl+&], click "+" icon to "Add path effect", which opens "Live
Path Effects Selector"; click "Rotate copies", Number of copies 36, check Split
elements; press [Tab] key once to select next 10 degree sector counterclockwise
and set fill color to magenta (#ff00ffff); press tab, set fill to orange-yellow
(#ffbe00ff); tab, set fill to blue-violet (#4000ffff); tab, set red
(#ff0000ff);
tab, yellow (#ffff00ff); tab, violet (#8000ffff); repeat tab or click to select
each next sector CCW, red-orange (#ff4001ff), green (#00ff00ff), violet-magenta
(#bf00feff), orange (#ff8000ff), cyan (#00ffffff), magenta (#ff00ffff), orange-
yellow, blue, red, yellow, blue-violet, red-orange, green, violet, orange,
cyan,
violet-magenta, orange-yellow, blue, magenta, yellow, blue-violet, red, green,
violet, red-orange, cyan, violet-magenta, and finally, orange; save file,
close,
backup, reopen, zoom to drawing, select first "Rotate copies" 10 degree segment
and change Starting angle from 0.00 to 5.00, rotating the entire group of solid
color segments five (5) degrees counterclockwise; select all, set fill
"Opacity"
to (about) 7%, deselect, lock and show all layers, uncheck/disable guides, hide
dialogs, full screen, zoom page width; hold Shift and right mouse button to
pan,
click + to zoom in, - to zoom out; save file, show dialogs, add a seventh
layer;

hide all layers; show and unlock layer 5 (ellipses) and its sublayer, select
all
in all layers [Ctrl+Alt+A], copy, lock and hide layer 5; select and show layer
7,
paste in place [Ctrl+Alt+V], hide dialogs, zoom page width; select smallest
(2:1)
ellipse, hold [Shift] and select second smallest (2:3) ellipse (which is
tangent
to the first ellipse at its major axis), in Path click "Exclusion" [Ctrl+^],
set
fill color to violet; select third-smallest (4:3) ellipse, hold Shift and
select
fourth-smallest (4:5) ellipse, click Exclusion [Ctrl+^], set fill color to
green;
select fifth-smallest (6:5) ellipse, hold Shift and select sixth-smallest
ellipse
(6:7), click Exclusion, set fill color to cyan; select seventh-smallest ellipse
(8:7), hold Shift and select eighth-smallest ellipse (8:9), click Exclusion,
set
fill color to orange-yellow; select ninth-smallest (10:9) ellipse, hold Shift
and
select tenth-smallest (10:11) ellipse, click Exclusion and set fill color to
blue;
select eleventh-smallest (12:11) ellipse, hold Shift and select 
welfth-smallest
(12:13) ellipse, click Exclusion, set fill color to blue-violet; select
thirteenth-
smallest (14:13) ellipse, hold Shift and select fourteenth-smallest (14:15)
ellipse,
click Exclusion, set fill color to violet; select fifteenth-smallest (16:15)
ellipse,
hold Shift and select sixteenth-smallest (16:17) ellipse, click Exclusion, set
fill
color to violet; finally, select seventeenth-smallest (18:17) ellipse, hold
Shift
and select eighteenth-smallest (18:19, largest) ellipse, click Exclusion, set
fill
color to magenta; save file, close, backup, reopen; show guides, show dialogs,
zoom
to page, click "Create rectangles and squares" [R] and draw a rectangle
starting on
the horizontal centerline at least one guide square to the left of largest
ellipse
up to the right side enough to cover the entire top half of these elliptical
lines;
select all, in Object > Clip > Set Clip; this non-destructive option makes
only the
top half of ellipses visible; select all, group [Ctrl+G], duplicate [Ctrl+D],
flip
vertical [V], select all, in Object, click "Align and Distribute"
[Shift+Ctrl+A],
click "Align top edges of objects to bottom edge of anchor", hide guides, zoom
to
drawing; hold [Ctrl] key to click on violet color fill in bottom half of
smallest
ellipse and change color from violet to orange; repeat this step for each
larger

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--- SoupGate-Win32 v1.05
 * Origin: you cannot sedate... all the things you hate (1:229/2)