gbrault
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jupytersketcher
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    Line
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    Python
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    Python
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    Circle
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    Python
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    Triangle
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    Yaml
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    Python
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    Distance with text
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    Yaml
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  <a href="#python_4" class="md-nav__link">
    Python
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    Python
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    Cross
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    Yaml
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    Python
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    Axis
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    Yaml
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    Python
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    Arc
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    Python
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    Python
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                  <h1>Shapes Reference</h1>
                
                <h2 id="list-of-shapes">List of Shapes</h2>
<p><a href="#code-to-display-the-above-defined-shapes">Code to display shapes</a></p>
<ul>
<li><a href="#line">Line</a>: defines a line providing start and end point</li>
<li><a href="#rectangle">Rectangle</a>: defines a rectangle providing bottom left corner, x dimension, y dimension</li>
<li><a href="#triangle">Triangle</a>: defines a triangle providing three corner</li>
<li><a href="#circle">Circle</a>: defines a circle proving center and radius</li>
<li><a href="#distance-with-text">Distance with text</a>: defines a sizing mark with a label </li>
<li><a href="#text">Text</a>: defines a given text positionned at the provided point</li>
<li><a href="#cross">Cross</a>: defines a cross positionned at the provided point</li>
<li><a href="#axis">Axis</a>: defines an axis at the given point with a given label</li>
<li><a href="#arc">Arc</a>: defines an Arc providing a center point, a radius, a starting angle and an angle (rotates clock-wise)</li>
<li><a href="#arc_wtext">Arc_wText</a>: defines an arc with text positionned left (moving clock-wise) of arc half-way</li>
<li><a href="#arrow1">Arrow1</a>: defines a line with arrow(s) given starting and ending point and arrow termination(s) -&gt;, \&lt;-&gt;, \&lt;-</li>
<li><a href="#force">Force</a>: defines an Indication of a force by an arrow and a text (symbol)</li>
<li><a href="#wall">Wall</a>: defines an hached box given starting, ending point and thickness, filled with a pattern</li>
<li><a href="#curve">Curve</a>: defines a general curve as a sequence of (x,y) coordinates</li>
<li><a href="#trajectory">Trajectory</a>: defines a general curve as a sequence of Point (subclass Curve)</li>
<li><a href="#gravity">Gravity</a>: defines a downward-pointing gravity arrow with the symbol g or user given symbol.</li>
<li><a href="#moment">Moment</a>: defines a Moment arrow with text given text, center and radius</li>
<li><a href="#text_warrow">Text_wArrow</a>: defines Text, but an arrow is drawn from the mid part of the text to some point arrow_tip</li>
<li><a href="#wheel">Wheel</a>: defines Hub and spokes Wheel given center, radius, spokes (default 10), inner_radius(default 1/5 of radius)</li>
<li><a href="#spring">Spring</a>: defines a vertical spring, starting at start and with length as total vertical length</li>
<li><a href="#dashpot">Dashpot</a>: defines a vertical dashpot of height <code>total_length</code> and <code>start</code> as bottom/starting point.</li>
</ul>
<h2 id="line">Line</h2>
<p><a href="#list-of-shapes">home</a> Defines a line providing start and end point</p>
<h3 id="yaml">Yaml</h3>
<pre><code class="yaml">name: line
shapes:
    A: point(-5,-5)
    B: point(5,5)
line: Line(A,B)
</code></pre>

<h3 id="python">Python</h3>
<pre><code class="python">A = point(-5,-5)
B = point(5,5)
line = Line(A,B)
line.set_name(&quot;line&quot;)
</code></pre>

<p><img alt="line" src="../reference/line.svg" /></p>
<h2 id="rectangle">Rectangle</h2>
<p><a href="#list-of-shapes">home</a> Defines a rectangle providing bottom left corner, x dimension, y dimension</p>
<h3 id="yaml_1">Yaml</h3>
<pre><code class="yaml">name: rectangle
shapes:
    L: 8
    h: 5
    p: point(-(L/2),-(h/2))
    rectangle: Rectangle(p,L,h)
</code></pre>

<h3 id="python_1">Python</h3>
<pre><code class="python">L = 8
h = 5
p = point(-(L/2),-(h/2))
rectangle = Rectangle(p,L,h)
rectangle.set_name(&quot;rectangle&quot;)
</code></pre>

<p><img alt="rectangle" src="../reference/rectangle.svg" /></p>
<h2 id="circle">Circle</h2>
<p><a href="#list-of-shapes">home</a> Defines a circle proving center and radius</p>
<h3 id="yaml_2">Yaml</h3>
<pre><code class="yaml">name: circle
shapes:
    circle: Circle(point(0,0),5)
</code></pre>

<h3 id="python_2">Python</h3>
<pre><code class="python">circle = Circle(point(0,0),5)
circle.set_name(&quot;circle&quot;)
</code></pre>

<p><img alt="circle" src="../reference/circle.svg" /></p>
<h2 id="triangle">Triangle</h2>
<p><a href="#list-of-shapes">home</a> Defines a triangle providing three corner</p>
<h3 id="yaml_3">Yaml</h3>
<pre><code class="yaml">name: triangle
shapes:
    L: 3.0
    W: 4.0
    triangle: Triangle(p1=(W/2,0), p2=(3*W/2,W/2), p3=(4*W/5.,L))
</code></pre>

<h3 id="python_3">Python</h3>
<pre><code class="python">L = 3.0
W = 4.0
triangle = Triangle(p1=(W/2,0), p2=(3*W/2,W/2), p3=(4*W/5.,L))
triangle.set_name(&quot;triangle&quot;)
</code></pre>

<p><img alt="triangle" src="../reference/triangle.svg" /></p>
<h2 id="distance-with-text">Distance with text</h2>
<p><a href="#list-of-shapes">home</a> Defines a sizing mark with a label </p>
<h3 id="yaml_4">Yaml</h3>
<pre><code class="yaml">name: dwt
shapes:
    fontsize: 14
    t: r'$ 2\pi R^2 $'  # sample text
    dwt: Distance_wText((-4,0), (8, 5), t, fontsize)
</code></pre>

<h3 id="python_4">Python</h3>
<pre><code class="python">fontsize=14
t = r'$ 2\pi R^2 $'  # sample text
dwt = Distance_wText((-4,0), (8, 5), t, fontsize)
dwt.set_name(&quot;dwt&quot;)
</code></pre>

<p><img alt="Distance with text" src="../reference/distancewithtext.svg" /></p>
<h2 id="text">Text</h2>
<p><a href="#list-of-shapes">home</a> Defines a given text positionned at the provided point</p>
<h3 id="yaml_5">Yaml</h3>
<pre><code class="yaml">name: text
shapes:
    text: Text(r'$c$', point(0,0))
</code></pre>

<h3 id="python_5">Python</h3>
<pre><code class="python">text = Text(r'$c$', point(0,0))
text.set_name(&quot;text&quot;)
</code></pre>

<p><img alt="Text" src="../reference/text.svg" /></p>
<h2 id="cross">Cross</h2>
<p><a href="#list-of-shapes">home</a> Defines a cross positionned at the provided point</p>
<h3 id="yaml_6">Yaml</h3>
<pre><code class="yaml">name: cross
shapes:
    cross: Cross(point(0,0))
</code></pre>

<h3 id="python_6">Python</h3>
<pre><code class="python">cross = Cross(point(1,0))
cross.set_name(&quot;cross&quot;)
</code></pre>

<p><img alt="Cross" src="../reference/cross.svg" /></p>
<h2 id="axis">Axis</h2>
<p><a href="#list-of-shapes">home</a> Defines an axis at the given point with a given label</p>
<h3 id="yaml_7">Yaml</h3>
<pre><code class="yaml">name: axis
shapes:
    axis: Axis((0,0), 5, 'x', rotation_angle=0)
</code></pre>

<h3 id="python_7">Python</h3>
<pre><code class="python">axis = Axis((0,0), 5, 'x', rotation_angle=0)
axis.set_name(&quot;axis&quot;)
</code></pre>

<p><img alt="Axis" src="../reference/axis.svg" /></p>
<h2 id="arc">Arc</h2>
<p><a href="#list-of-shapes">home</a> Defines an Arc providing a center point, a radius, a starting angle and an angle (rotates clock-wise)</p>
<h3 id="yaml_8">Yaml</h3>
<pre><code class="yaml">name: arc
shapes:
    center: point(0,0)
    radius: 1
    angle: 120
    start_angle: 180-angle
    arc_angle: angle
    arc: Arc(center, radius, start_angle, arc_angle)
</code></pre>

<h3 id="python_8">Python</h3>
<pre><code class="python">center = point(0,0)
radius = 1
angle = 120
start_angle = 180-angle
arc_angle = angle
arc = Arc(center, radius, start_angle, arc_angle)
arc.set_name(&quot;arc&quot;)
</code></pre>

<p><img alt="Arc" src="../reference/arc.svg" /></p>
<h2 id="arc_wtext">Arc_wText</h2>
<p><a href="#list-of-shapes">home</a> Defines an arc with text positionned left (moving clock-wise) of arc half-way</p>
<h3 id="yaml_9">Yaml</h3>
<pre><code class="yaml">name: arc_wtxt
shapes:
    center: point(0,0)
    radius: 1
    angle: 120
    start_angle: 180-angle
    arc_angle: angle
    arc_wtxt: &quot;Arc_wText(r'$&lt;bslash&gt;theta$', center, radius, start_angle, arc_angle)&quot;
</code></pre>

<h3 id="python_9">Python</h3>
<pre><code class="python">center = point(0,0)
radius = 1
angle = 120
start_angle = 180-angle
arc_angle = angle
arc_wtxt = Arc_wText(r'$\theta$', center, radius, start_angle, arc_angle)
arc_wtxt.set_name(&quot;arcwtxt&quot;)
</code></pre>

<p><img alt="Arc with Text" src="../reference/arcwtext.svg" /></p>
<h2 id="arrow1">Arrow1</h2>
<p><a href="#list-of-shapes">home</a> defines a line with arrow(s) given starting and ending point and arrow termination(s) -&gt;, \&lt;-&gt;, \&lt;-</p>
<h3 id="yaml_10">Yaml</h3>
<pre><code class="yaml">name: arrow1
shapes:
    start: point(0,0)
    end: point(5,5)
    arrow1: Arrow1(start, end, style='&lt;-&gt;')
</code></pre>

<h3 id="python_10">Python</h3>
<pre><code class="python">start = point(0,0)
end = point(5,5)
arrow1 = Arrow1(start, end, style='&lt;-&gt;')
arrow1.set_name(&quot;arrow1&quot;)
</code></pre>

<p><img alt="Arrow1" src="../reference/arrow1.svg" /></p>
<h2 id="force">Force</h2>
<p><a href="#list-of-shapes">home</a> defines an Indication of a force by an arrow and a text (symbol)</p>
<h3 id="yaml_11">Yaml</h3>
<pre><code class="yaml">name: force
shapes:
    x: 0
    y: 0
    contact: point(x, y)
    vector: point(-3,-5)
    force: Force(contact - vector, contact, r'$Force$', text_pos='start')
</code></pre>

<h3 id="python_11">Python</h3>
<pre><code class="python">x = 0
y = 0
contact = point(x, y)
vector = point(-3,-5)
force = Force(contact - vector, contact, r'$Force$', text_pos='start')
force.set_name(&quot;force&quot;)
</code></pre>

<p><img alt="Force" src="../reference/force.svg" /></p>
<h2 id="wall">Wall</h2>
<p><a href="#list-of-shapes">home</a> defines an hached box given starting, ending point and thickness, filled with a pattern</p>
<h3 id="yaml_12">Yaml</h3>
<pre><code class="yaml">name: wall
shapes:
    theta: 30
    L: 8
    B: point(L-4,-2)                      # wall right end
    A: point(-4,tan(radians(theta))*L-2)  # wall left end
    wall: 
        formula: Wall(x=[A[0], B[0]], y=[A[1], B[1]], thickness=-0.5,transparent=False)
        style:
            linecolor: black
</code></pre>

<h3 id="python_12">Python</h3>
<pre><code class="python">theta = 30
L = 8
B = point(L-4,-2)                      # wall right end
A = point(-4,tan(radians(theta))*L-2)  # wall left end
wall= Wall(x=[A[0], B[0]], y=[A[1], B[1]], thickness=-0.5,transparent=False)
wall.set_linecolor('black')
wall.set_name(&quot;wall&quot;)
</code></pre>

<p><img alt="Wall" src="../reference/wall.svg" /></p>
<h2 id="curve">Curve</h2>
<p><a href="#list-of-shapes">home</a> defines a general curve as a sequence of (x,y) coordinates</p>
<h3 id="yaml_13">Yaml</h3>
<pre><code class="yaml">curve=&quot;&quot;&quot;\
name: curve
shapes:
    N: 100
    x: np.linspace(-2.0, 2.0, N)
    y: x**3
    curve: Curve(x,y)
&quot;&quot;&quot;
</code></pre>

<h3 id="python_13">Python</h3>
<pre><code class="python">N = 100
x = np.linspace(-2.0, 2.0, N)
y = x**3
curve = Curve(x,y)
curve.draw()
curve.set_name(&quot;curve&quot;)
</code></pre>

<p><img alt="Curve" src="../reference/curve.svg" /></p>
<h2 id="trajectory">Trajectory</h2>
<p><a href="#list-of-shapes">home</a> defines a general curve as a sequence of Point (subclass Curve)</p>
<h3 id="yaml_14">Yaml</h3>
<pre><code class="yaml">trajectory=&quot;&quot;&quot;\
name: trajectory
shapes:
    P1: Point(1,-1)
    P2: P1 + Point(0,2)
    P3: P2 + Point(-2,0)
    P4: P3 + Point(0,-2)
    psq: |
       [P1,P2,P3,P4]  
    trajectory: Trajectory(psq)
&quot;&quot;&quot;
</code></pre>

<h3 id="python_14">Python</h3>
<pre><code class="python">P1 = Point(1,-1)
P2 = P1 + Point(0,2)
P3 = P2 + Point(-2,0)
P4 = P3 + Point(0,-2)
psq = [P1,P2,P3,P4]
trajectory = Trajectory(psq)
trajectory.draw()
curve.set_name(&quot;trajectory&quot;)
</code></pre>

<p><img alt="Curve" src="../reference/trajectory.svg" /></p>
<h2 id="gravity">Gravity</h2>
<p><a href="#list-of-shapes">home</a> defines a downward-pointing gravity arrow with the symbol g or user given symbol.</p>
<h3 id="yaml_15">Yaml</h3>
<pre><code class="yaml">gravity=&quot;&quot;&quot;
name: gravity
shapes:
    c: point(0,0)
    r: 2
    gravity: 
        formula: Gravity(c, r, text='$Mg$')
&quot;&quot;&quot;
</code></pre>

<h3 id="python_15">Python</h3>
<pre><code class="python">c = point(0,0)
r = 2
gravity = Gravity(c, r, text='$Mg$')
gravity.set_name(&quot;gravity&quot;)
</code></pre>

<p><img alt="Gravity" src="../reference/gravity.svg" /></p>
<h2 id="moment">Moment</h2>
<p><a href="#list-of-shapes">home</a> defines a Moment arrow with text given text, center and radius.</p>
<h3 id="yaml_16">Yaml</h3>
<pre><code class="yaml">moment=&quot;&quot;&quot;
name: moment
shapes:
    moment: Moment(&quot;$T$&quot;, point(0,0), 2)
&quot;&quot;&quot;
</code></pre>

<h3 id="python_16">Python</h3>
<pre><code class="python">moment = Moment(&quot;$T$&quot;, point(0,0), 2)
moment.shape_name=&quot;moment&quot;
</code></pre>

<p><img alt="Moment" src="../reference/moment.svg" /></p>
<h2 id="text_warrow">Text_wArrow</h2>
<p><a href="#list-of-shapes">home</a> Text, but an arrow is drawn from the mid part of the text to some point arrow_tip</p>
<h3 id="yaml_17">Yaml</h3>
<pre><code class="yaml">txtarrow=&quot;&quot;&quot;
name: txtarrow
shapes:
    txtarrow: Text_wArrow(&quot;$Text$&quot;, point(0,0), point(2,2))
&quot;&quot;&quot;
</code></pre>

<h3 id="python_17">Python</h3>
<pre><code class="python">txtarrow = Text_wArrow(&quot;$Text$&quot;, point(0,0), point(2,2))
txtarrow.set_name(&quot;txtarrow&quot;)
</code></pre>

<p><img alt="Text_wArrow" src="../reference/textwarrow.svg" /></p>
<h2 id="wheel">Wheel</h2>
<p><a href="#list-of-shapes">home</a> Hub and spokes Wheel given center, radius, spokes (default 10), inner_radius(default 1/5 of radius)</p>
<h3 id="yaml_18">Yaml</h3>
<pre><code class="yaml">wheel=&quot;&quot;&quot;
name: wheel
shapes:
    wheel: Wheel(point(0,0), 5)
&quot;&quot;&quot;
</code></pre>

<h3 id="python_18">Python</h3>
<pre><code class="python">wheel = Wheel(point(0,0), 5)
wheel.set_name(&quot;wheel&quot;)
</code></pre>

<p><img alt="Wheel" src="../reference/wheel.svg" /></p>
<h2 id="spring">Spring</h2>
<p><a href="#list-of-shapes">home</a> Specify a vertical spring, starting at start and with length as total vertical length</p>
<h3 id="yaml_19">Yaml</h3>
<pre><code class="yaml">spring=&quot;&quot;&quot;
name: spring
shapes: 
    spring: 
       formula: Spring(point(0,0),5)
       style:
           linecolor: black
           linewidth: 1
&quot;&quot;&quot;
</code></pre>

<h3 id="python_19">Python</h3>
<pre><code class="python">spring = Spring(point(0,0),5)
spring.set_linecolor('black')
spring.set_linewidth(1)
spring.set_name(&quot;spring&quot;)
</code></pre>

<p><img alt="Spring" src="../reference/spring.svg" /></p>
<h2 id="dashpot">Dashpot</h2>
<p><a href="#list-of-shapes">home</a> Defines a vertical dashpot of height <code>total_length</code> and <code>start</code> as bottom/starting point.</p>
<h3 id="yaml_20">Yaml</h3>
<pre><code class="yaml">dashpot=&quot;&quot;&quot;
name: dashpot
shapes:
    dashpot: Dashpot(point(0,0),5)
&quot;&quot;&quot;
</code></pre>

<h3 id="python_20">Python</h3>
<pre><code class="python">dashpot = Dashpot(point(0,0),5)
dashpot.set_name(&quot;dashpot&quot;)
</code></pre>

<p><img alt="Dashpot" src="../reference/dashpot.svg" /></p>
<h2 id="code-to-display-the-above-defined-shapes">Code to display the above defined shapes</h2>
<p><a href="#list-of-shapes">home</a> In order to display the various shapes, use the following code in a jupyter notebook</p>
<pre><code class="python">[1]: %matplotlib widget
[2]: from pysketcher import *
[3]: from math import tan, radians, sin, cos # needed for python code
[4]: import numpy as np
[6]: drawing_tool.set_coordinate_system(xmin=-10, xmax=10,ymin=-10, ymax=10,axis=True)
[5]: drawing_tool.mpl.gcf().canvas
</code></pre>

<p>for Yaml, you need to add those extra steps</p>
<pre><code class="python">head = &quot;&quot;&quot;\
libraries: [&quot;from math import tan, radians, sin, cos&quot;,&quot;from pysketcher import *&quot;,&quot;import numpy as np&quot;]
myfig={}
sketch = Sketch(myfig)
sketch.append(head)
</code></pre>

<p>The above code initialize myfig sketch space loading into it libraries references so samples can use tan, radians, si, cos and all the objects defined in pysketcher (the module name of jupytersketcher) and numpy as well: this is used by the yaml definition of shapes</p>
<h3 id="yaml_21">Yaml</h3>
<pre><code class="python">myfig={}
sketch=&quot;&quot;&quot;
# put here the yaml 'object' definition
&quot;&quot;&quot;
drawing_tool.erase()
sketch.append(sketch)
# replace 'object' by the actual one
d = myfig['object'].draw() 
drawing_tool.display()
display(SVG(Sketch.matplotlib2SVG()))
</code></pre>

<h3 id="python_21">Python</h3>
<pre><code class="python">drawing_tool.erase()
# put the code of the object case here
# replace object by the actual name line, rectangle, circle...
object.draw()
drawing_tool.display()
display(SVG(Sketch.matplotlib2SVG()))
</code></pre>
                
              
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