Contents
- Reference guide
Utilities provided in this module can be found either in thestandard Python module called colorsys
or in matplotlib.colors(e.g rgb2hex) or are original to this module (e.g., rgb2huv)
HEX
¶Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Directed by Ivan Reitman. With Arnold Schwarzenegger, Eddie Murphy, Danny DeVito. Julius and Vincent Benedict discover they have a third sibling. As described in more detail in Section 3.3, orientation analysis finds that, within each triplet, the three grains have angles between them that fall within a certain range.For the large, twinned grains, this is 64±2°, corresponding closely to the (0 1 1 ¯ 3) twin relationship,.Each small grain in turn maintains an angle of 72±2° with either of the (2 1 ¯ 1 ¯ 0) oriented grains. Oct 08, 2020 Triplet Attention. Authors - Diganta Misra 1†, Trikay Nalamada 1,2†, Ajay Uppili Arasanipalai 1,3†, Qibin Hou 4. 1 - Landskape 2. University of Illinois, Urbana Champaign 4.
Class to check the validity of an hexadecimal string and get standard string
By standard, we mean #FFFFFF (6 digits)
get_standard_hex_color
(value)¶Return standard hexadecimal color
By standard, we mean a string that starts with # sign followed by 6character, e.g. #AABBFF
is_valid_hex_color
(value, verbose=True)¶Return True is the string can be interpreted as hexadecimal color
Valid formats are
- #FFF
- #0000FF
- 0x0000FF
- 0xFA1
Color
(name=None, rgb=None, hls=None, hsv=None)¶Class to ease manipulation and conversion between color codes
You can create an instance in many differen ways. You can either use ahuman-readable name as long as it is part of theXFree86 listYou can also provide a hexadecimal string (either 3 or 6 digits). You canuse triplets of values corresponding to the RGB, HSV or HLS conventions.
Here are some examples:
Note that the RGB, HLS and HSV triplets use normalised values. If you needto normalise the triplet, you can use colormap.colors._normalise
thatprovides a function to normalise RGB, HLS and HSV triplets: Tower 2 3 2 download free.
If you provide a string, it has to be a valid string from XFree86.In addition to the official names, the lower case names are valid. Besides,there are names with spaces. The equivalent names without space are alsovalid. Therefore the name 'Spring Green', which is an official name can beprovided as 'Spring Green', 'spring green', 'springgreen' or 'SpringGreen'.
blue
¶getter/setter for the blue color in RGB triplet
get_standard_hex_color
(value)¶Return standard hexadecimal color
By standard, we mean a string that starts with # sign followed by 6character, e.g. #AABBFF
Triplet 1 0 3 +
green
¶getter/setter for the green color in RGB triplet
hex
¶getter/setter the hexadecimal value.
hls
¶getter/setter the HLS values (3-length tuple)
hsv
¶getter/setter the HSV values (3-length tuple)
hue
¶getter/setter the saturation in the HLS triplet
is_valid_hex_color
(value, verbose=True)¶Return True is the string can be interpreted as hexadecimal color
Valid formats are
- #FFF
- #0000FF
- 0x0000FF
- 0xFA1
lightness
¶getter/setter the lightness in the HLS triplet
red
¶getter/setter for the red color in RGB triplet
rgb
¶getter/setter the RGB values (3-length tuple)
saturation_hls
¶getter/setter the saturation in the HLS triplet
value
¶getter/setter the value in the HSV triplet
yiq
¶Getter for the YIQ triplet
hex2web
(hexa)¶Convert hexadecimal string (6 digits) into web version (3 digits)
See also
web2hex()
, hex2rgb()
rgb2hex()
, rgb2hsv()
, hsv2rgb()
, rgb2hls()
,hls2rgb()
web2hex
(web)¶Convert web hexadecimal string (3 digits) into 6 digits version Akvis smartmask 10 0 2330 15693 download free.
See also
hex2web()
, hex2rgb()
rgb2hex()
, rgb2hsv()
, hsv2rgb()
, rgb2hls()
,hls2rgb()
hex2rgb
(hexcolor, normalise=False)¶This function converts a hex color triplet into RGB
Valid hex code are:
See also
hex2web()
, web2hex()
,rgb2hex()
, rgb2hsv()
, hsv2rgb()
, rgb2hls()
,hls2rgb()
hex2dec
(data)¶convert hexadecimal string (data) into a float in the [0-65536] inclusive range
rgb2hex
(r, g, b, normalised=False)¶Convert RGB to hexadecimal color
Param: | can be a tuple/list/set of 3 values (R,G,B) |
---|---|
Returns: | a hex vesion ofthe RGB 3-tuple |
See also
hex2web()
, web2hex()
, hex2rgb()
, rgb2hsv()
, hsv2rgb()
, rgb2hls()
,hls2rgb()
rgb2hsv
(r, g, b, normalised=True)¶Convert an RGB value to an HSV value.
Parameters: | normalised (bool) – if normalised is True, the input RGB tripletshould be in the range 0-1 (0-255 otherwise) |
---|---|
Returns: | the HSV triplet. If normalised parameter is True, the outputtriplet is in the range 0-1; otherwise, H in the range 0-360 and LSin the range 0-100. |
See also
Triplet 1 0 3 Sezonas
hex2web()
, web2hex()
, hex2rgb()
rgb2hex()
, hsv2rgb()
, rgb2hls()
,hls2rgb()
hsv2rgb
(h, s, v, normalised=True)¶Convert a hue-saturation-value (HSV) value to a red-green-blue (RGB).
Parameters: | normalised (bool) – If normalised is True, the input HSV tripletshould be in the range 0-1; otherwise, H in the range 0-360 and LSin the range 0-100. |
---|---|
Returns: | the RGB triplet. The outputtriplet is in the range 0-1 whether the input is normalised or not. |
See also
hex2web()
, web2hex()
, hex2rgb()
rgb2hex()
, rgb2hsv()
, rgb2hls()
,hls2rgb()
rgb2hls
(r, g, b, normalised=True)¶Convert an RGB value to an HLS value.
Parameters: | normalised (bool) – if normalised is True, the input RGB tripletshould be in the range 0-1 (0-255 otherwise) |
---|---|
Returns: | the HLS triplet. If normalised parameter is True, the outputtriplet is in the range 0-1; otherwise, H in the range 0-360 and LSin the range 0-100. |
See also
hex2web()
, web2hex()
, hex2rgb()
rgb2hex()
, hsv2rgb()
,hls2rgb()
hls2rgb
(h, l, s, normalised=True)¶Convert an HLS value to a RGB value.
Parameters: | normalised (bool) – If normalised is True, the input HLS tripletshould be in the range 0-1; otherwise, H in the range 0-360 and LSin the range 0-100. |
---|---|
Returns: | the RGB triplet. The outputtriplet is in the range 0-1 whether the input is normalised or not. |
See also
hex2web()
, web2hex()
, hex2rgb()
rgb2hex()
, rgb2hsv()
, hsv2rgb()
, rgb2hls()
,
yuv2rgb
(y, u, v)¶Convert YUV triplet into RGB
Warning
expected input must be between 0 and 255 (not normalised)
rgb2yuv
(r, g, b)¶Convert RGB triplet into YUV
Returns: | YUV triplet with values between 0 and 1 |
---|
Note
the constants referenc used is Rec. 601
![Triplety Triplety](https://sklep.arlekin.design/1280-thickbox_default/turmalin-rubellit-044-ct.jpg)
to_intensity
(n)¶Return intensity
Parameters: | n – value between 0 and 1 |
---|---|
Returns: | value between 0 and 255; round(n*127.5+127.5) |
yuv2rgb_int
(y, u, v)¶Convert YUV triplet into RGB
Warning
expected input must be between 0 and 255 (not normalised)
rgb2yuv_int
(r, g, b)¶Convert RGB triplet into YUV
Warning
expected input must be between 0 and 255 (not normalised)
Colormap
¶Class to create matplotlib colormap
This example show how to get the pre-defined colormap called heat
Triplet 1 0 3 Decocraft
(Source code, png, hires.png, pdf)
You may be more interested in building your own colormap:
If you want a simple linear colormap, you can use the example above,or use the cmap_linear()
. For instance for a diverging colormapfrom red to green (with with color in between):
Even simpler, you can use a bicolor colormap cmap_bicolor()
. For instance for a red to green colormap:
From matplotlib documentation, colormaps falls into 4 categories:
- Sequential schemes for unipolar data that progresses from low to high
- Diverging schemes for bipolar data that emphasizes positive ornegative deviations from acentral value
- Cyclic schemes meant for plotting values that wrap around at theendpoints, such as phase angle, wind direction, or time of day
- Qualitative schemes for nominal data that has no inherent ordering,where color is used only to distinguish categories
References: | matplotlib documentation and exampleshttp://matplotlib.org/examples/color/colormaps_reference.html |
---|
cmap
(colors=None, reverse=False, N=256)¶Return a colormap object to be used within matplotlib
Parameters: |
|
---|
cmap_bicolor
(color1, color2, reverse=False, N=256)¶Provide 3 colors in format accepted by Color
1 Equals 0
cmap_linear
(color1, color2, color3, reverse=False, N=256)¶Provide 3 colors in format accepted by Color
get_cmap_heat
()¶Return a heat colormap matplotlib-compatible colormap
This heat colormap should be equivalent to heat.colors() in R.
You can generate the colormap based solely on this information for the RGBfunctions along:
get_cmap_heat_r
()¶Return a heat colormap matplotlib-compatible colormap
Same as get_cmap_heat()
but reversed
get_cmap_rainbow
()¶colormap similar to rainbow colormap from R
Note
The red is actually appearing on both sides… Yetthis looks like what is coded in R 3.0.1
plot_colormap
(cmap_list=None)¶cmap_list list of valid cmap or name of a set (sequential,diverging,)
if none, plot all known colors
plot_rgb_from_hex_list
(cols)¶This functions takes a list of hexadecimal values and plotsthe RGB curves. This can be handy to figure out the RGB functionsto be used in the get_cmap()
.
(Source code, png, hires.png, pdf)
test_colormap
(cmap=None)¶Triplet Value
plot one colormap for testing
By default, test the get_cmap_heat()