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Logos, draw graph recipe

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MikeTheWatchGuy 2018-10-13 11:53:56 -04:00
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docs/cookbook.md
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![pysimplegui_logo](https://user-images.githubusercontent.com/13696193/43165867-fe02e3b2-8f62-11e8-9fd0-cc7c86b11772.png)
# The PySimpleGUI Cookbook
@ -1189,27 +1189,44 @@ Use the Graph Element to draw points, lines, circles, rectangles using ***your**
In this example we're defining our graph to be from -100, -100 to +100,+100. That means that zero is in the middle of the drawing. You define this graph description in your call to Graph.
![snap0354](https://user-images.githubusercontent.com/13696193/45861485-cd9a6280-bd3a-11e8-83ea-32ca42dc9f3a.jpg)
![graph markers](https://user-images.githubusercontent.com/13696193/46113087-01eaa480-c1bb-11e8-9784-0dbb4ce728b0.jpg)
```
import math
import PySimpleGUI as sg
import math
import PySimpleGUI as sg
layout = [[sg.Graph(canvas_size=(400, 400), graph_bottom_left=(-105,-105), graph_top_right=(105,105), background_color='white', key='graph', tooltip='This is a cool graph!')],]
layout = [[sg.Graph(canvas_size=(400, 400), graph_bottom_left=(-100,-100), graph_top_right=(100,100), background_color='white', key='graph')],]
window = sg.Window('Graph of Sine Function', grab_anywhere=True).Layout(layout).Finalize()
graph = window.FindElement('graph')
window = sg.Window('Graph of Sine Function').Layout(layout)
window.Finalize()
graph = window.FindElement('graph')
# Draw axis
graph.DrawLine((-100,0), (100,0))
graph.DrawLine((0,-100), (0,100))
graph.DrawLine((-100,0), (100,0))
graph.DrawLine((0,-100), (0,100))
for x in range(-100, 101, 20):
graph.DrawLine((x,-3), (x,3))
if x != 0:
graph.DrawText( x, (x,-10), color='green')
for x in range(-100,100):
for y in range(-100, 101, 20):
graph.DrawLine((-3,y), (3,y))
if y != 0:
graph.DrawText( y, (-10,y), color='blue')
# Draw Graph
for x in range(-100,100):
y = math.sin(x/20)*50
graph.DrawPoint((x,y), color='red')
graph.DrawCircle((x,y), 1, line_color='red', fill_color='red')
button, values = window.Read()
```
button, values = window.Read()
## Tabs

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docs/tutorial.md
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![pysimplegui_logo](https://user-images.githubusercontent.com/13696193/43165867-fe02e3b2-8f62-11e8-9fd0-cc7c86b11772.png)
# Add GUIs to your programs and scripts easily with PySimpleGUI