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0001 # Spanish translations for docs_digikam_org_color_management___working_space.po package.
0002 # Copyright (C) licensed under the  <a href="https://spdx.org/licenses/GFDL-1.2-or-later.html">licensed under the terms of the GNU Free Documentation License 1.2+</a> unless stated otherwise
0003 # This file is distributed under the same license as the Digikam Manual package.
0004 #
0005 # Automatically generated, 2023.
0006 # Eloy Cuadra <ecuadra@eloihr.net>, 2023.
0007 msgid ""
0008 msgstr ""
0009 "Project-Id-Version: docs_digikam_org_color_management___working_space\n"
0010 "Report-Msgid-Bugs-To: \n"
0011 "POT-Creation-Date: 2023-12-02 00:35+0000\n"
0012 "PO-Revision-Date: 2023-01-29 01:18+0100\n"
0013 "Last-Translator: Eloy Cuadra <ecuadra@eloihr.net>\n"
0014 "Language-Team: Spanish <kde-l10n-es@kde.org>\n"
0015 "Language: es\n"
0016 "MIME-Version: 1.0\n"
0017 "Content-Type: text/plain; charset=UTF-8\n"
0018 "Content-Transfer-Encoding: 8bit\n"
0019 "Plural-Forms: nplurals=2; plural=n != 1;\n"
0020 "X-Generator: Lokalize 22.12.1\n"
0021 
0022 #: ../../color_management/working_space.rst:1
0023 msgid "Color Management and Working Space"
0024 msgstr "Gestión del color y espacio de trabajo"
0025 
0026 #: ../../color_management/working_space.rst:1
0027 msgid ""
0028 "digiKam, documentation, user manual, photo management, open source, free, "
0029 "learn, easy, image editor, color management, icc, profile, working space"
0030 msgstr ""
0031 "digiKam, documentación, manual del usuario, gestión de fotos, gestión "
0032 "fotográfica, código abierto, libre, gratis, aprender, fácil, editor de "
0033 "imágenes, gestión del color, icc, perfil, espacio de trabajo"
0034 
0035 #: ../../color_management/working_space.rst:14
0036 msgid "The Working Space"
0037 msgstr "El espacio de trabajo"
0038 
0039 #: ../../color_management/working_space.rst:17
0040 msgid "Color Workflow"
0041 msgstr ""
0042 
0043 #: ../../color_management/working_space.rst:19
0044 msgid ""
0045 "So we told digiKam where to find my monitor profile and we have a camera "
0046 "profile that we applied to the image file produced by my RAW processing "
0047 "software. What's the next step in color management?"
0048 msgstr ""
0049 
0050 #: ../../color_management/working_space.rst:21
0051 msgid ""
0052 "You need to choose a working color space so you can edit your image. `Lcms "
0053 "<https://www.littlecms.com/>`_ will transform your image from your camera "
0054 "color space to your chosen working space, via the **Profile Connection "
0055 "Space** specified by your camera color profile. Why cannot to just edit "
0056 "images in the color space described by the camera profile?"
0057 msgstr ""
0058 
0059 #: ../../color_management/working_space.rst:23
0060 msgid ""
0061 "After all, the camera profile should provide the best *fit* to the colors "
0062 "recorded by my camera, as processed by my RAW processing procedure, right? "
0063 "Working spaces, such as sRGB or Adobe RGB, are color spaces that facilitate "
0064 "good results while editing. For instance, pixels with equal values of RGB "
0065 "should appear neutral. This just want means that for any given pixel in an "
0066 "image that has been converted to a suitable working space, if R=G=B you "
0067 "should see grey or black or white on your screen. Many camera profiles "
0068 "violate this *neutral* condition."
0069 msgstr ""
0070 
0071 #: ../../color_management/working_space.rst:29
0072 msgid ""
0073 "digiKam Image Editor has a Menu to Switch Quickly an Image from a Color "
0074 "Space to Another one"
0075 msgstr ""
0076 
0077 #: ../../color_management/working_space.rst:31
0078 msgid ""
0079 "However, there is one other good reason to not want to edit your image in "
0080 "your camera profile color space. If you look at the size of a typical camera "
0081 "profile, it is on the order of a quarter to a half a megabyte or more. It's "
0082 "got a lot of information about all the changes that need to be made at "
0083 "different regions of color and tonality in the original scene, to get "
0084 "accurate color rendition from the RGB values that come out of the RAW "
0085 "processor. The camera profile is accurate (at least for colors in the "
0086 "original target) but not particularly mathematically smooth. Working space "
0087 "color profiles, on the other hand, are very small in size (half a kilobyte "
0088 "instead of half a megabyte) because they describe a color gamut in terms of "
0089 "smooth, continuous mathematical functions. Working space profiles don't need "
0090 "to make allowances for the *messiness* of real world sensors, so the "
0091 "mathematical manipulations performed during image editing will go much more "
0092 "smoothly and accurately than if you try to edit your image while it is still "
0093 "in the camera color space."
0094 msgstr ""
0095 
0096 #: ../../color_management/working_space.rst:33
0097 msgid "Working Space Profiles are characterized by:"
0098 msgstr ""
0099 
0100 #: ../../color_management/working_space.rst:35
0101 msgid ""
0102 "**Gamma** transfer function, which dictates how much the original linear "
0103 "intensity values captured by the camera sensor are altered to make editing "
0104 "easier or more precise. These values from the camera are subjected to the in-"
0105 "camera A-to-D conversion, then interpolated by the RAW processing program to "
0106 "produce the image file."
0107 msgstr ""
0108 
0109 #: ../../color_management/working_space.rst:37
0110 msgid ""
0111 "RGB primaries which dictate the range of colors, that is, the color "
0112 "**Gamut**, covered by a given profile."
0113 msgstr ""
0114 
0115 #: ../../color_management/working_space.rst:39
0116 msgid ""
0117 "**White point**, usually D50 or D65 though other values may be used, which "
0118 "specifies the white point color temperature of the working space."
0119 msgstr ""
0120 
0121 #: ../../color_management/working_space.rst:42
0122 msgid "Confusions Terminology"
0123 msgstr ""
0124 
0125 #: ../../color_management/working_space.rst:44
0126 msgid ""
0127 "Before talking more about working spaces, some confusions and confusing "
0128 "terminology needs to be cleared up:"
0129 msgstr ""
0130 
0131 #: ../../color_management/working_space.rst:46
0132 msgid ""
0133 "sRGB is both a working color space and an output color space for images "
0134 "intended for the web and for monitor display. If you have a spiffy new "
0135 "monitor with a gamut larger than the gamut covered by sRGB, obviously you "
0136 "might want to reconsider what output profile to use to best take advantage "
0137 "of your wonderful and hopefully calibrated and profiled monitor, but please "
0138 "convert your image to sRGB before sending it on to your friends. sRGB is "
0139 "also the color space that a lot of home and mass-production commercial "
0140 "printers expect image files to be in when sent to the printer. It is also "
0141 "the color space that most programs assume if an image does not have an "
0142 "embedded color profile telling the program what color space should be used "
0143 "to interpret (translate) the RGB numbers. So if you choose to not use color-"
0144 "management, your color-management choices are simple - set everything to "
0145 "sRGB."
0146 msgstr ""
0147 
0148 #: ../../color_management/working_space.rst:48
0149 msgid ""
0150 "All JPEGs coming straight out of a camera (even if produced by point-and-"
0151 "shoots cameras that don't allow you to save a RAW file) start life inside "
0152 "the camera as a RAW file produced by the camera's A to D converter. The "
0153 "processor inside the camera interpolates the RAW file, assigns a camera "
0154 "profile, translates the resulting RGB numbers to a working space (usually "
0155 "sRGB but sometimes you can choose AdobeRGB, depending on the camera), does "
0156 "the JPEG compression, and stores the JPEG file on your camera card. So JPEGs "
0157 "from your camera never need to be assigned a camera or input profile which "
0158 "is then translated to a working space via a Profile Connection Space. JPEGs "
0159 "from a camera are already in a working space."
0160 msgstr ""
0161 
0162 #: ../../color_management/working_space.rst:50
0163 msgid ""
0164 "In case anyone is unsure on this point, note that an interpolated RAW file "
0165 "is no longer a RAW file - it has been interpolated and then output as a TIFF "
0166 "whose RGB values need to be translated to a working space, using the camera "
0167 "profile, the Profile Connection Space, and Lcms."
0168 msgstr ""
0169 
0170 #: ../../color_management/working_space.rst:52
0171 msgid ""
0172 "To introduce a bit of commonly heard color-management terminology here - the "
0173 "camera profile and your printer's color profile are both device dependent, "
0174 "whereas the working space will be device-independent - it can be used with "
0175 "any image, with any properly color-managed software, without regard for "
0176 "where the image originated."
0177 msgstr ""
0178 
0179 #: ../../color_management/working_space.rst:54
0180 msgid ""
0181 "Above we have used the words translate and translation as a descriptive "
0182 "metaphor for what Lcms does when it translates RGB values from one color "
0183 "space to another via the Profile Connection Space. The usual and correct "
0184 "terminology is convert and conversion. The four methods of conversion from "
0185 "one color space to another are: perceptual, relative colorimetric, absolute "
0186 "colorimetric, and saturation. Which method of conversion you should use for "
0187 "any given image processing step from RAW file to final output image is "
0188 "beyond the scope of this manual. The standard advice is: when in doubt, use "
0189 "perceptual."
0190 msgstr ""
0191 
0192 #: ../../color_management/working_space.rst:56
0193 msgid ""
0194 "Assign a profile means change the meaning of the RGB numbers in an image by "
0195 "embedding a new profile without changing the actual RGB numbers associated "
0196 "with each pixel in the image; convert means embed a new profile, but also "
0197 "change the RGB numbers at the same time so that the meaning of the RGB "
0198 "values - that is, the real-world visible color represented by the trio of "
0199 "RGB numbers associated with each pixel in an image - remains the same before "
0200 "and after the conversion from one space to another. You should be able to do "
0201 "multiple conversions of an image from one working space to another, and with "
0202 "a properly color-managed image editor, even though all the RGB numbers in "
0203 "the image will change with each conversion, the image on your screen should "
0204 "look the same (leaving aside the usually unnoticeable small but inevitable "
0205 "changes from accumulated gamut mismatches and mathematical rounding errors). "
0206 "However, every time you assign a new working space profile rather than "
0207 "convert to a new working space, the appearance of the image should more or "
0208 "less drastically change."
0209 msgstr ""
0210 
0211 #: ../../color_management/working_space.rst:58
0212 msgid ""
0213 "Color management is not only relevant if you shoot RAW. Color management "
0214 "affects every stage of the image processing pipeline, whether you start with "
0215 "a RAW file that you, yourself interpolate and translate into a TIFF, or if "
0216 "you start with a JPEG or TIFF produced by your camera."
0217 msgstr ""
0218 
0219 #: ../../color_management/working_space.rst:61
0220 msgid "Selecting a Working Space"
0221 msgstr "Seleccionar un espacio de trabajo"
0222 
0223 #: ../../color_management/working_space.rst:63
0224 msgid ""
0225 "Which working space do you need to use in digiKam? Working spaces, such as "
0226 "sRGB or Adobe RGB, are color spaces that facilitate good results while "
0227 "editing. For instance, pixels with equal values of RGB should appear "
0228 "neutral. Using a large gamut working space will lead to posterization, while "
0229 "using a small working space will lead to clipping. This trade-off is a "
0230 "consideration for the Image Editor."
0231 msgstr ""
0232 
0233 #: ../../color_management/working_space.rst:65
0234 msgid "Most working space profiles are characterized by:"
0235 msgstr ""
0236 
0237 #: ../../color_management/working_space.rst:67
0238 msgid ""
0239 "The place of the gamut into the **Diagram** `(1)` of all colors visible to "
0240 "the average human eyes."
0241 msgstr ""
0242 
0243 #: ../../color_management/working_space.rst:69
0244 msgid ""
0245 "The **Gamut** `(2)` triangle to define the range of RGB colors of the "
0246 "profile. Red point is on the bottom right corner, Green is on the top, Blue "
0247 "is on the left bottom. Values given around the edge of the gamut passing "
0248 "from the blue, the green and the red points, are the spectral colors in "
0249 "nanometers."
0250 msgstr ""
0251 
0252 #: ../../color_management/working_space.rst:71
0253 msgid ""
0254 "The **White point** `(3)` to define the total dynamic range of the profile."
0255 msgstr ""
0256 
0257 #: ../../color_management/working_space.rst:73
0258 msgid ""
0259 "The **Gamma** to define the transfer function of the profile (not displayed "
0260 "in the gamut)."
0261 msgstr ""
0262 
0263 #: ../../color_management/working_space.rst:79
0264 msgid "The Color Profile Details of CIE Chromaticity Diagram Show in digiKam"
0265 msgstr ""
0266 
0267 #: ../../color_management/working_space.rst:81
0268 msgid ""
0269 "The practical consequences that result from using different RGB primaries, "
0270 "leading to larger or smaller working spaces, are discussed below. The "
0271 "practical consequences for different choices for the working space white "
0272 "point are beyond the scope of this manual. Here we will talk a little bit "
0273 "about the practical consequences of the working space gamma."
0274 msgstr ""
0275 
0276 #: ../../color_management/working_space.rst:83
0277 msgid ""
0278 "The gamma of a color profile dictates what power transform needs to take "
0279 "place to properly convert from an image's embedded color profile (perhaps "
0280 "your working color space) to another color profile with a different gamma, "
0281 "such as (i) the display profile used to display the image on the screen or "
0282 "(ii) perhaps to a new working space, or (iii) perhaps from your working "
0283 "space to your printer's color space."
0284 msgstr ""
0285 
0286 #: ../../color_management/working_space.rst:87
0287 msgid ""
0288 "Mathematically speaking, for a power transform you normalize the RGB numbers "
0289 "and raise the resulting numbers to an appropriate power depending on the "
0290 "respective gammas of the starting and ending color space, then re-normalize "
0291 "the results to a new set of RGB numbers. `Lcms <https://www.littlecms.com/"
0292 ">`_ does this for you when there is a need to convert from one color space "
0293 "to another in your workflow."
0294 msgstr ""
0295 
0296 #: ../../color_management/working_space.rst:89
0297 msgid ""
0298 "One practical consequence of the gamma of a working space is that the higher "
0299 "the gamma, the more tones are available for editing in the shadows, with "
0300 "consequently fewer tones available in the highlights. So theoretically, if "
0301 "you are working on a very dark-toned (low key) image you might want a "
0302 "working space with a higher gamma. And if you are working on a high key "
0303 "image, say a picture taken in full noon sunlight of a wedding dress with "
0304 "snow as a backdrop, you might want to choose a working space with a lower "
0305 "gamma, so you have more available tonal gradations in the highlights. But in "
0306 "the real world of real image editing, almost everyone uses working spaces "
0307 "with either gamma 1.8 or 2.2."
0308 msgstr ""
0309 
0310 #: ../../color_management/working_space.rst:91
0311 msgid ""
0312 "Some people are trying to standardize on gamma 2.0. sRGB and LStar-RGB are "
0313 "not gamma-based working spaces. Rather, sRGB uses a hybrid gamma, and LStar-"
0314 "RGB uses a luminosity-based tonal response curve instead of a gamma value."
0315 msgstr ""
0316 
0317 #: ../../color_management/working_space.rst:93
0318 msgid ""
0319 "In addition to gamma 1.8 and gamma 2.2 the only other gamma for a working "
0320 "space that gets much mention or use is gamma 1.0, also called linear gamma. "
0321 "Linear gamma is used in HDR (high dynamic range) imaging and also if one "
0322 "wants to avoid introducing gamma-induced errors into one's regular low "
0323 "dynamic range editing. Gamma-induced errors is a topic outside the scope of "
0324 "this manual, but see Gamma errors in picture scaling, for gamma-induced "
0325 "color shifts."
0326 msgstr ""
0327 
0328 #: ../../color_management/working_space.rst:95
0329 msgid ""
0330 "Unfortunately and despite their undeniable mathematical advantages, linear "
0331 "gamma working spaces have so few tones in the shadows that they are "
0332 "impossible to use for editing if one is working in 8-bits, and still "
0333 "problematic at 16-bits. When the day comes when we are all doing our editing "
0334 "on 32-bit files produced by our HDR cameras on our personal supercomputers, "
0335 "we predict that we will all be using working spaces with gamma 1."
0336 msgstr ""
0337 
0338 #: ../../color_management/working_space.rst:101
0339 msgid ""
0340 "Depending of the Settings digiKam Can Ask you to Convert to Working Space "
0341 "When Loading in Image Editor"
0342 msgstr ""
0343 
0344 #: ../../color_management/working_space.rst:104
0345 msgid "Large or Small Gamut"
0346 msgstr ""
0347 
0348 #: ../../color_management/working_space.rst:106
0349 msgid ""
0350 "One major consideration in choosing a working space is that some working "
0351 "spaces are bigger than others, meaning they cover more of the visible "
0352 "spectrum (and perhaps even include some imaginary colors - mathematical "
0353 "constructs that don't really exist). These bigger spaces offer the advantage "
0354 "of allowing you to keep all the colors captured by your camera and preserved "
0355 "by the Lcms conversion from your camera profile to the really big profile "
0356 "connection space."
0357 msgstr ""
0358 
0359 #: ../../color_management/working_space.rst:112
0360 msgid ""
0361 "For the Left to Right: sRGB, AbodeRGB, WideGammutRGB, and ProPhotoRGB Color "
0362 "Profile Show in digiKam"
0363 msgstr ""
0364 
0365 #: ../../color_management/working_space.rst:114
0366 msgid ""
0367 "But keeping all the possible colors comes at a price. It seems that any "
0368 "given digital image (pictures of daffodils with saturated yellows being one "
0369 "common exception) likely only contains a small subset of all the possible "
0370 "visible colors that your camera is capable of capturing. This small subset "
0371 "is easily contained in one of the smaller working spaces. Using a very large "
0372 "working space mean that editing your image (applying curves, saturation, "
0373 "etc.) can easily produce colors that your eventual output device (printer, "
0374 "monitor) simply cannot display."
0375 msgstr ""
0376 
0377 #: ../../color_management/working_space.rst:116
0378 msgid ""
0379 "So the conversion from your working space to your output device space (say "
0380 "your printer) will have to remap the out of gamut colors in your edited "
0381 "image, some of which might even be totally imaginary, to your printer color "
0382 "space with its much smaller gamut, leading to inaccurate colors at best and "
0383 "at worst to banding (posterization - gaps in what should be a smooth color "
0384 "transition, say, across an expanse of blue sky) and clipping (your carefully "
0385 "crafted muted transitions across delicate shades of red, for example, might "
0386 "get remapped to a solid block of dull red after conversion to your printer's "
0387 "color space)."
0388 msgstr ""
0389 
0390 #: ../../color_management/working_space.rst:118
0391 msgid ""
0392 "In other words, large gamut working spaces, improperly handled, can lead to "
0393 "lost information on output. Small gamut working spaces can clip information "
0394 "on input. Here is some oft-repeated advice:"
0395 msgstr ""
0396 
0397 #: ../../color_management/working_space.rst:120
0398 msgid "For images intended for the web, use sRGB."
0399 msgstr ""
0400 
0401 #: ../../color_management/working_space.rst:122
0402 msgid ""
0403 "For the most accuracy in your image editing (that is, making the most of "
0404 "your *bits* with the least risk of banding or clipping when you convert your "
0405 "image from your working space to an output space), use the smallest working "
0406 "space that includes all the colors in the scene that you photographed, plus "
0407 "a little extra room for those new colors you intentionally produce as you "
0408 "edit."
0409 msgstr ""
0410 
0411 #: ../../color_management/working_space.rst:124
0412 msgid ""
0413 "If you are working in 8-bits rather than 16-bits, choose a smaller space "
0414 "rather than a larger space."
0415 msgstr ""
0416 
0417 #: ../../color_management/working_space.rst:126
0418 msgid ""
0419 "For archival purposes, convert your RAW file to a 16-bit TIFF with a large "
0420 "gamut working space to avoid loosing color information. Then convert this "
0421 "archival TIFF to your working space of choice (saving the converted working "
0422 "TIFF under a new name, of course). See here for more details."
0423 msgstr ""
0424 
0425 #: ../../color_management/working_space.rst:132
0426 msgid "digiKam Queue Manager Allows to Batch Convert Color Space"
0427 msgstr ""
0428 
0429 #: ../../color_management/working_space.rst:135
0430 msgid "Gamma Properties"
0431 msgstr "Propiedades de la gama"
0432 
0433 #: ../../color_management/working_space.rst:137
0434 msgid ""
0435 "The gamma of a color profile dictates what power transform needs to take "
0436 "place to properly convert from an image's embedded color profile (perhaps "
0437 "your working color space or your camera color profile) to another color "
0438 "profile with a different gamma, such as your chosen working space, or the "
0439 "display profile used to display the image on the screen or perhaps from one "
0440 "working space to another, or perhaps from your working space to your "
0441 "printer's color space. `Libraw <https://www.libraw.org/>`_ outputs a 16-bit "
0442 "image with a linear gamma, which means that a histogram of the resulting "
0443 "image file shows the actual amount of light that each pixel on the camera "
0444 "sensor captured during the exposure (paraphrasing this page). (Which is why "
0445 "at present applying a camera profile to the Libraw output also requires "
0446 "applying an appropriate gamma transform to get to the desired working space, "
0447 "unless the camera profile also uses gamma=1.)"
0448 msgstr ""
0449 
0450 #: ../../color_management/working_space.rst:139
0451 msgid ""
0452 "One practical consequence of the gamma of a working space is that the higher "
0453 "the gamma, the more discrete tones are available for editing in the shadows, "
0454 "with consequently fewer tones available in the highlights. Changing the "
0455 "gamma of an image redistributes the number of tones available in the lighter "
0456 "and darker areas of an image. Theoretically, if you are working on a very "
0457 "dark-toned (low key) image you might want a working space with a higher "
0458 "gamma. And if you are working on a high key image, say a picture taken in "
0459 "full noon sunlight of a wedding dress with snow as a backdrop, you might "
0460 "want to choose a working space with a lower gamma, so you have more "
0461 "available tonal gradations in the highlights."
0462 msgstr ""
0463 
0464 #: ../../color_management/working_space.rst:141
0465 msgid ""
0466 "Theory aside, in the real world of real image editing, almost everyone uses "
0467 "working spaces with either a gamma of either 1.8 or 2.2. sRGB and L*-RGB are "
0468 "two notable exceptions."
0469 msgstr ""
0470 
0471 #: ../../color_management/working_space.rst:143
0472 msgid ""
0473 "sRGB uses a transfer function close to that of a CRT (and thus not "
0474 "necessarily relevant to image editing or to display on an LCD). Unlike most "
0475 "other RGB color spaces the sRGB gamma can not be expressed as a single "
0476 "numerical value. The overall gamma is approximately 2.2, consisting of a "
0477 "linear (gamma 1.0) section near black, and a non-linear section elsewhere "
0478 "involving a 2.4 exponent and a gamma (slope of log output versus log input) "
0479 "changing from 1.0 through about 2.3, which makes for some complicated math "
0480 "during image processing."
0481 msgstr ""
0482 
0483 #: ../../color_management/working_space.rst:145
0484 msgid ""
0485 "L*-RGB uses as its transfer function the same perceptually uniform transfer "
0486 "function as the CIELab color space. *When storing colors in limited "
0487 "precision values* using a perceptually uniform transfer function *can "
0488 "improve the reproduction of tones*."
0489 msgstr ""
0490 
0491 #: ../../color_management/working_space.rst:147
0492 msgid ""
0493 "In addition to gamma=1.8 and gamma=2.2, the only other gamma for a working "
0494 "space that gets much mention or use is linear gamma, or gamma=1.0. As noted "
0495 "above, `Libraw <https://www.libraw.org/>`_ outputs linear gamma files if you "
0496 "ask for 16-bit output. Linear gamma is used in HDR (high dynamic range) "
0497 "imaging and also if one wants to avoid introducing gamma-induced errors into "
0498 "one's regular low dynamic range editing."
0499 msgstr ""
0500 
0501 #: ../../color_management/working_space.rst:149
0502 msgid ""
0503 "**Gamma-induced errors** is a topic outside the scope of this manual but "
0504 "it's commonly-encountered that gamma-induced error that is caused by "
0505 "incorrectly calculating luminance in a nonlinear RGB working space. And in a "
0506 "similar vein, the calculations involved in mixing colors together to produce "
0507 "new colors (such as using a digital filter to add warmth to an image) result "
0508 "in gamma errors unless the new colors are calculated by first transforming "
0509 "all the relevant values back to their linear values."
0510 msgstr ""
0511 
0512 #: ../../color_management/working_space.rst:151
0513 msgid ""
0514 "Unfortunately and despite their undeniable mathematical advantages, linear "
0515 "gamma working spaces have so few tones in the shadows that they are "
0516 "impossible to use for editing if one is working in 8-bit, and still "
0517 "problematic at 16-bit. When the day comes when we are all doing our editing "
0518 "on 32-bit files produced by our HDR cameras on our personal supercomputers, "
0519 "We can predict that we will all be using working spaces with gamma=1."
0520 msgstr ""
0521 
0522 #: ../../color_management/working_space.rst:154
0523 msgid "Tonal Steps and Gamut Size"
0524 msgstr ""
0525 
0526 #: ../../color_management/working_space.rst:156
0527 msgid ""
0528 "How many discrete tonal steps are there in a digital image? In an 8-bit "
0529 "image, you have 256 tonal steps from solid black to solid white. In a 16-bit "
0530 "image theoretically you have 65536 steps. But remember, those 16-bit started "
0531 "out as either 10-bit (=1024 steps), 12-bit (=4096 steps), or 14-bit (=16384 "
0532 "steps) as produced by the camera's A-to-D converter - the extra bits to "
0533 "reach 16-bit start out as just padding. The available tones are not "
0534 "distributed evenly from light to dark. In linear gamma mode (as the camera "
0535 "sensor sees things), there's a whole lot more tones in the highlights than "
0536 "in the shadows. Hence the advice, if you shoot RAW, to expose to the right "
0537 "but don't blow the highlights."
0538 msgstr ""
0539 
0540 #: ../../color_management/working_space.rst:158
0541 msgid ""
0542 "One major consideration in choosing a working space is that some working "
0543 "spaces are bigger than others, meaning they cover more of the visible "
0544 "spectrum (and as a consequence include some imaginary colors - mathematical "
0545 "constructs that don't really exist). These bigger spaces offer the advantage "
0546 "of allowing you to keep all the colors captured by your camera and preserved "
0547 "by the `Lcms <https://www.littlecms.com/>`_ conversion from your camera "
0548 "profile to the super-wide-gamut profile connection space and out again to "
0549 "your chosen working space."
0550 msgstr ""
0551 
0552 #: ../../color_management/working_space.rst:160
0553 msgid ""
0554 "But keeping all the possible colors comes at a price, as explained below. "
0555 "And it seems that any given digital image likely only contains a small "
0556 "subset of all the possible visible colors that your camera is capable of "
0557 "capturing. This small subset is easily contained in one of the smaller "
0558 "working spaces."
0559 msgstr ""
0560 
0561 #: ../../color_management/working_space.rst:162
0562 msgid ""
0563 "Using a very large working space means that editing your image (applying "
0564 "curves, increasing saturation, etc.) can easily produce colors that your "
0565 "eventual output device (printer, monitor) simply cannot reproduce (you "
0566 "cannot see these colors while you're editing, either). So the conversion "
0567 "from your working space to your output device space (say your printer) will "
0568 "have to remap the out-of-gamut colors in your edited image, some of which "
0569 "might even be totally imaginary, to your printer color space with its much "
0570 "smaller color gamut."
0571 msgstr ""
0572 
0573 #: ../../color_management/working_space.rst:164
0574 msgid ""
0575 "This remapping process will lead to inaccurate colors and loss of saturation "
0576 "at best. Even worse, the remapping can easily lead to banding (posterization "
0577 "- gaps in what should be a smooth color transition, across an expanse of "
0578 "blue sky) and clipping (e.g. your carefully crafted muted transitions across "
0579 "delicate shades of red, for example, might get remapped to a solid block of "
0580 "dull red after conversion to your printer's color space). Also, the experts "
0581 "say that 8-bit images just don't have enough tones to stretch across a wide "
0582 "gamut working space without banding and loss of saturation, even before "
0583 "conversion to an output space. So if you choose a large gamut working space, "
0584 "make sure you start with a 16-bit image."
0585 msgstr ""
0586 
0587 #: ../../color_management/working_space.rst:171
0588 msgid ""
0589 "The digiKam Color Profile Properties Dialog Displaying BestRGB Information"
0590 msgstr ""
0591 
0592 #: ../../color_management/working_space.rst:173
0593 msgid ""
0594 "To summarize, large gamut working spaces, improperly handled, can lead to "
0595 "lost information on output. Small gamut working spaces can clip information "
0596 "on input. Medium-sized gamut working spaces try to strike a happy medium."
0597 msgstr ""
0598 
0599 #: ../../color_management/working_space.rst:175
0600 msgid "Here are some oft-repeated bits of advice on choosing a working space:"
0601 msgstr ""
0602 
0603 #: ../../color_management/working_space.rst:177
0604 msgid ""
0605 "For images intended for the web, use (or at least convert the final image "
0606 "to) sRGB."
0607 msgstr ""
0608 
0609 #: ../../color_management/working_space.rst:179
0610 msgid ""
0611 "For the most accuracy in your image editing (that is, making the most of "
0612 "your limited *bits* with the least risk of banding or clipping when you "
0613 "convert your image from your working space to an output space), use the "
0614 "smallest working space that includes all the colors in the scene that you "
0615 "photographed, plus a little extra room for those new colors you "
0616 "intentionally produce as you edit."
0617 msgstr ""
0618 
0619 #: ../../color_management/working_space.rst:181
0620 msgid ""
0621 "If you are working in 8-bits rather than 16-bits, choose a smaller rather "
0622 "than a larger working space to avoid clipping and banding."
0623 msgstr ""
0624 
0625 #: ../../color_management/working_space.rst:183
0626 msgid ""
0627 "For archival purposes, convert your RAW file to a 16-bit TIFF with a large "
0628 "gamut working space to avoid loosing color information. Then convert this "
0629 "archival TIFF to your medium-gamut or large-gamut working space of choice "
0630 "(saving the converted working TIFF under a new name, of course)."
0631 msgstr ""