How do I extract the individual hsv values?(urgent)

[sofalights]

left_color_sensor = ColorSensor(Port.B)
right_color_sensor = ColorSensor(Port.F)

h_left, s_left, v_left = left_color_sensor.hsv(surface=True)
h_right, s_right, v_right = right_color_sensor.hsv(surface=True)

This is the code I'm using to extract the h,s, and v into its own little variables.
However, the following error occurs:

Traceback (most recent call last):
  File "getshit.py", line 15, in <module>
TypeError: 'Color' object isn't iterable

How do I then extract the individual values? Would it work on a 2 sensor system?
Thanks!

[BertLindeman]

Hello,

According to the doc on the stable version of pybricks the color_sensor.hsv returns a Color value.

In the stable 3.5.0 version I got the same error as you describe.

Also tested the current beta firmware, no problem there.

You can go to beta.pybricks.com and install the firmware there and run the program.

I do not have two color sensors, so I ran this program one sensor at a time:

from pybricks.pupdevices import ColorSensor
from pybricks.parameters import Port
from pybricks import version

print(version)

LEFT = False
if LEFT:
    left_color_sensor = ColorSensor(Port.B)
    h_left, s_left, v_left = left_color_sensor.hsv(surface=True)
    print(h_left, s_left, v_left)
else:
    right_color_sensor = ColorSensor(Port.A)
    h_right, s_right, v_right = right_color_sensor.hsv(surface=True)

    print(h_right, s_right, v_right)

With this result:

('technichub', '3.6.0b2', 'ci-release-81-v3.6.0b2 on 2024-10-15')
330 64 1

Bert

[sofalights]

I appreciate your help, however, even when I ran your code on beta.pybricks.com, the same error occurred. The maintainer's method did work on stable though, and as such his answer was accepted. Despite this, I sincerely thank you for helping me.

[laurensvalk]

You can do it as follows:

color = left_color_sensor.hsv(surface=True)

color.h # this is the hue, and so on.

In the next release, iterating like you tried will also be supported.

[sofalights]

Thank you it works!

[laurensvalk]

Glad to hear it. Can we see the end result 😄?

[sofalights]

sure!
code:

senB = ColorSensor(Port.B)
senF = ColorSensor(Port.F)

colorB = senB.hsv()
colorF = senF.hsv()

print("new reading below")
print(colorB,'left_sensor')
print(colorF,'right_sensor')
print(colorB.h,colorB.s,colorB.v,' left sens')
print(colorF.h,colorF.s,colorF.v,' right sens')

Result:

new reading below
Color(h=152, s=57, v=52) left_sensor
Color(h=153, s=55, v=52) right_sensor
152 57 52  left sens
153 55 52  right sens