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0001 # German translations for Digikam Manual 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 # Automatically generated, 2023.
0005 #
0006 msgid ""
0007 msgstr ""
0008 "Project-Id-Version: Digikam Manual 8.0.0\n"
0009 "Report-Msgid-Bugs-To: \n"
0010 "POT-Creation-Date: 2023-12-02 00:35+0000\n"
0011 "PO-Revision-Date: 2023-01-21 10:41+0100\n"
0012 "Last-Translator: Automatically generated\n"
0013 "Language-Team: none\n"
0014 "Language: de\n"
0015 "MIME-Version: 1.0\n"
0016 "Content-Type: text/plain; charset=UTF-8\n"
0017 "Content-Transfer-Encoding: 8bit\n"
0018 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
0019 
0020 #: ../../color_management/working_space.rst:1
0021 msgid "Color Management and Working Space"
0022 msgstr ""
0023 
0024 #: ../../color_management/working_space.rst:1
0025 msgid ""
0026 "digiKam, documentation, user manual, photo management, open source, free, "
0027 "learn, easy, image editor, color management, icc, profile, working space"
0028 msgstr ""
0029 
0030 #: ../../color_management/working_space.rst:14
0031 msgid "The Working Space"
0032 msgstr ""
0033 
0034 #: ../../color_management/working_space.rst:17
0035 msgid "Color Workflow"
0036 msgstr ""
0037 
0038 #: ../../color_management/working_space.rst:19
0039 msgid ""
0040 "So we told digiKam where to find my monitor profile and we have a camera "
0041 "profile that we applied to the image file produced by my RAW processing "
0042 "software. What's the next step in color management?"
0043 msgstr ""
0044 
0045 #: ../../color_management/working_space.rst:21
0046 msgid ""
0047 "You need to choose a working color space so you can edit your image. `Lcms "
0048 "<https://www.littlecms.com/>`_ will transform your image from your camera "
0049 "color space to your chosen working space, via the **Profile Connection "
0050 "Space** specified by your camera color profile. Why cannot to just edit "
0051 "images in the color space described by the camera profile?"
0052 msgstr ""
0053 
0054 #: ../../color_management/working_space.rst:23
0055 msgid ""
0056 "After all, the camera profile should provide the best *fit* to the colors "
0057 "recorded by my camera, as processed by my RAW processing procedure, right? "
0058 "Working spaces, such as sRGB or Adobe RGB, are color spaces that facilitate "
0059 "good results while editing. For instance, pixels with equal values of RGB "
0060 "should appear neutral. This just want means that for any given pixel in an "
0061 "image that has been converted to a suitable working space, if R=G=B you "
0062 "should see grey or black or white on your screen. Many camera profiles "
0063 "violate this *neutral* condition."
0064 msgstr ""
0065 
0066 #: ../../color_management/working_space.rst:29
0067 msgid ""
0068 "digiKam Image Editor has a Menu to Switch Quickly an Image from a Color "
0069 "Space to Another one"
0070 msgstr ""
0071 
0072 #: ../../color_management/working_space.rst:31
0073 msgid ""
0074 "However, there is one other good reason to not want to edit your image in "
0075 "your camera profile color space. If you look at the size of a typical camera "
0076 "profile, it is on the order of a quarter to a half a megabyte or more. It's "
0077 "got a lot of information about all the changes that need to be made at "
0078 "different regions of color and tonality in the original scene, to get "
0079 "accurate color rendition from the RGB values that come out of the RAW "
0080 "processor. The camera profile is accurate (at least for colors in the "
0081 "original target) but not particularly mathematically smooth. Working space "
0082 "color profiles, on the other hand, are very small in size (half a kilobyte "
0083 "instead of half a megabyte) because they describe a color gamut in terms of "
0084 "smooth, continuous mathematical functions. Working space profiles don't need "
0085 "to make allowances for the *messiness* of real world sensors, so the "
0086 "mathematical manipulations performed during image editing will go much more "
0087 "smoothly and accurately than if you try to edit your image while it is still "
0088 "in the camera color space."
0089 msgstr ""
0090 
0091 #: ../../color_management/working_space.rst:33
0092 msgid "Working Space Profiles are characterized by:"
0093 msgstr ""
0094 
0095 #: ../../color_management/working_space.rst:35
0096 msgid ""
0097 "**Gamma** transfer function, which dictates how much the original linear "
0098 "intensity values captured by the camera sensor are altered to make editing "
0099 "easier or more precise. These values from the camera are subjected to the in-"
0100 "camera A-to-D conversion, then interpolated by the RAW processing program to "
0101 "produce the image file."
0102 msgstr ""
0103 
0104 #: ../../color_management/working_space.rst:37
0105 msgid ""
0106 "RGB primaries which dictate the range of colors, that is, the color "
0107 "**Gamut**, covered by a given profile."
0108 msgstr ""
0109 
0110 #: ../../color_management/working_space.rst:39
0111 msgid ""
0112 "**White point**, usually D50 or D65 though other values may be used, which "
0113 "specifies the white point color temperature of the working space."
0114 msgstr ""
0115 
0116 #: ../../color_management/working_space.rst:42
0117 msgid "Confusions Terminology"
0118 msgstr ""
0119 
0120 #: ../../color_management/working_space.rst:44
0121 msgid ""
0122 "Before talking more about working spaces, some confusions and confusing "
0123 "terminology needs to be cleared up:"
0124 msgstr ""
0125 
0126 #: ../../color_management/working_space.rst:46
0127 msgid ""
0128 "sRGB is both a working color space and an output color space for images "
0129 "intended for the web and for monitor display. If you have a spiffy new "
0130 "monitor with a gamut larger than the gamut covered by sRGB, obviously you "
0131 "might want to reconsider what output profile to use to best take advantage "
0132 "of your wonderful and hopefully calibrated and profiled monitor, but please "
0133 "convert your image to sRGB before sending it on to your friends. sRGB is "
0134 "also the color space that a lot of home and mass-production commercial "
0135 "printers expect image files to be in when sent to the printer. It is also "
0136 "the color space that most programs assume if an image does not have an "
0137 "embedded color profile telling the program what color space should be used "
0138 "to interpret (translate) the RGB numbers. So if you choose to not use color-"
0139 "management, your color-management choices are simple - set everything to "
0140 "sRGB."
0141 msgstr ""
0142 
0143 #: ../../color_management/working_space.rst:48
0144 msgid ""
0145 "All JPEGs coming straight out of a camera (even if produced by point-and-"
0146 "shoots cameras that don't allow you to save a RAW file) start life inside "
0147 "the camera as a RAW file produced by the camera's A to D converter. The "
0148 "processor inside the camera interpolates the RAW file, assigns a camera "
0149 "profile, translates the resulting RGB numbers to a working space (usually "
0150 "sRGB but sometimes you can choose AdobeRGB, depending on the camera), does "
0151 "the JPEG compression, and stores the JPEG file on your camera card. So JPEGs "
0152 "from your camera never need to be assigned a camera or input profile which "
0153 "is then translated to a working space via a Profile Connection Space. JPEGs "
0154 "from a camera are already in a working space."
0155 msgstr ""
0156 
0157 #: ../../color_management/working_space.rst:50
0158 msgid ""
0159 "In case anyone is unsure on this point, note that an interpolated RAW file "
0160 "is no longer a RAW file - it has been interpolated and then output as a TIFF "
0161 "whose RGB values need to be translated to a working space, using the camera "
0162 "profile, the Profile Connection Space, and Lcms."
0163 msgstr ""
0164 
0165 #: ../../color_management/working_space.rst:52
0166 msgid ""
0167 "To introduce a bit of commonly heard color-management terminology here - the "
0168 "camera profile and your printer's color profile are both device dependent, "
0169 "whereas the working space will be device-independent - it can be used with "
0170 "any image, with any properly color-managed software, without regard for "
0171 "where the image originated."
0172 msgstr ""
0173 
0174 #: ../../color_management/working_space.rst:54
0175 msgid ""
0176 "Above we have used the words translate and translation as a descriptive "
0177 "metaphor for what Lcms does when it translates RGB values from one color "
0178 "space to another via the Profile Connection Space. The usual and correct "
0179 "terminology is convert and conversion. The four methods of conversion from "
0180 "one color space to another are: perceptual, relative colorimetric, absolute "
0181 "colorimetric, and saturation. Which method of conversion you should use for "
0182 "any given image processing step from RAW file to final output image is "
0183 "beyond the scope of this manual. The standard advice is: when in doubt, use "
0184 "perceptual."
0185 msgstr ""
0186 
0187 #: ../../color_management/working_space.rst:56
0188 msgid ""
0189 "Assign a profile means change the meaning of the RGB numbers in an image by "
0190 "embedding a new profile without changing the actual RGB numbers associated "
0191 "with each pixel in the image; convert means embed a new profile, but also "
0192 "change the RGB numbers at the same time so that the meaning of the RGB "
0193 "values - that is, the real-world visible color represented by the trio of "
0194 "RGB numbers associated with each pixel in an image - remains the same before "
0195 "and after the conversion from one space to another. You should be able to do "
0196 "multiple conversions of an image from one working space to another, and with "
0197 "a properly color-managed image editor, even though all the RGB numbers in "
0198 "the image will change with each conversion, the image on your screen should "
0199 "look the same (leaving aside the usually unnoticeable small but inevitable "
0200 "changes from accumulated gamut mismatches and mathematical rounding errors). "
0201 "However, every time you assign a new working space profile rather than "
0202 "convert to a new working space, the appearance of the image should more or "
0203 "less drastically change."
0204 msgstr ""
0205 
0206 #: ../../color_management/working_space.rst:58
0207 msgid ""
0208 "Color management is not only relevant if you shoot RAW. Color management "
0209 "affects every stage of the image processing pipeline, whether you start with "
0210 "a RAW file that you, yourself interpolate and translate into a TIFF, or if "
0211 "you start with a JPEG or TIFF produced by your camera."
0212 msgstr ""
0213 
0214 #: ../../color_management/working_space.rst:61
0215 msgid "Selecting a Working Space"
0216 msgstr ""
0217 
0218 #: ../../color_management/working_space.rst:63
0219 msgid ""
0220 "Which working space do you need to use in digiKam? Working spaces, such as "
0221 "sRGB or Adobe RGB, are color spaces that facilitate good results while "
0222 "editing. For instance, pixels with equal values of RGB should appear "
0223 "neutral. Using a large gamut working space will lead to posterization, while "
0224 "using a small working space will lead to clipping. This trade-off is a "
0225 "consideration for the Image Editor."
0226 msgstr ""
0227 
0228 #: ../../color_management/working_space.rst:65
0229 msgid "Most working space profiles are characterized by:"
0230 msgstr ""
0231 
0232 #: ../../color_management/working_space.rst:67
0233 msgid ""
0234 "The place of the gamut into the **Diagram** `(1)` of all colors visible to "
0235 "the average human eyes."
0236 msgstr ""
0237 
0238 #: ../../color_management/working_space.rst:69
0239 msgid ""
0240 "The **Gamut** `(2)` triangle to define the range of RGB colors of the "
0241 "profile. Red point is on the bottom right corner, Green is on the top, Blue "
0242 "is on the left bottom. Values given around the edge of the gamut passing "
0243 "from the blue, the green and the red points, are the spectral colors in "
0244 "nanometers."
0245 msgstr ""
0246 
0247 #: ../../color_management/working_space.rst:71
0248 msgid ""
0249 "The **White point** `(3)` to define the total dynamic range of the profile."
0250 msgstr ""
0251 
0252 #: ../../color_management/working_space.rst:73
0253 msgid ""
0254 "The **Gamma** to define the transfer function of the profile (not displayed "
0255 "in the gamut)."
0256 msgstr ""
0257 
0258 #: ../../color_management/working_space.rst:79
0259 msgid "The Color Profile Details of CIE Chromaticity Diagram Show in digiKam"
0260 msgstr ""
0261 
0262 #: ../../color_management/working_space.rst:81
0263 msgid ""
0264 "The practical consequences that result from using different RGB primaries, "
0265 "leading to larger or smaller working spaces, are discussed below. The "
0266 "practical consequences for different choices for the working space white "
0267 "point are beyond the scope of this manual. Here we will talk a little bit "
0268 "about the practical consequences of the working space gamma."
0269 msgstr ""
0270 
0271 #: ../../color_management/working_space.rst:83
0272 msgid ""
0273 "The gamma of a color profile dictates what power transform needs to take "
0274 "place to properly convert from an image's embedded color profile (perhaps "
0275 "your working color space) to another color profile with a different gamma, "
0276 "such as (i) the display profile used to display the image on the screen or "
0277 "(ii) perhaps to a new working space, or (iii) perhaps from your working "
0278 "space to your printer's color space."
0279 msgstr ""
0280 
0281 #: ../../color_management/working_space.rst:87
0282 msgid ""
0283 "Mathematically speaking, for a power transform you normalize the RGB numbers "
0284 "and raise the resulting numbers to an appropriate power depending on the "
0285 "respective gammas of the starting and ending color space, then re-normalize "
0286 "the results to a new set of RGB numbers. `Lcms <https://www.littlecms.com/"
0287 ">`_ does this for you when there is a need to convert from one color space "
0288 "to another in your workflow."
0289 msgstr ""
0290 
0291 #: ../../color_management/working_space.rst:89
0292 msgid ""
0293 "One practical consequence of the gamma of a working space is that the higher "
0294 "the gamma, the more tones are available for editing in the shadows, with "
0295 "consequently fewer tones available in the highlights. So theoretically, if "
0296 "you are working on a very dark-toned (low key) image you might want a "
0297 "working space with a higher gamma. And if you are working on a high key "
0298 "image, say a picture taken in full noon sunlight of a wedding dress with "
0299 "snow as a backdrop, you might want to choose a working space with a lower "
0300 "gamma, so you have more available tonal gradations in the highlights. But in "
0301 "the real world of real image editing, almost everyone uses working spaces "
0302 "with either gamma 1.8 or 2.2."
0303 msgstr ""
0304 
0305 #: ../../color_management/working_space.rst:91
0306 msgid ""
0307 "Some people are trying to standardize on gamma 2.0. sRGB and LStar-RGB are "
0308 "not gamma-based working spaces. Rather, sRGB uses a hybrid gamma, and LStar-"
0309 "RGB uses a luminosity-based tonal response curve instead of a gamma value."
0310 msgstr ""
0311 
0312 #: ../../color_management/working_space.rst:93
0313 msgid ""
0314 "In addition to gamma 1.8 and gamma 2.2 the only other gamma for a working "
0315 "space that gets much mention or use is gamma 1.0, also called linear gamma. "
0316 "Linear gamma is used in HDR (high dynamic range) imaging and also if one "
0317 "wants to avoid introducing gamma-induced errors into one's regular low "
0318 "dynamic range editing. Gamma-induced errors is a topic outside the scope of "
0319 "this manual, but see Gamma errors in picture scaling, for gamma-induced "
0320 "color shifts."
0321 msgstr ""
0322 
0323 #: ../../color_management/working_space.rst:95
0324 msgid ""
0325 "Unfortunately and despite their undeniable mathematical advantages, linear "
0326 "gamma working spaces have so few tones in the shadows that they are "
0327 "impossible to use for editing if one is working in 8-bits, and still "
0328 "problematic at 16-bits. When the day comes when we are all doing our editing "
0329 "on 32-bit files produced by our HDR cameras on our personal supercomputers, "
0330 "we predict that we will all be using working spaces with gamma 1."
0331 msgstr ""
0332 
0333 #: ../../color_management/working_space.rst:101
0334 msgid ""
0335 "Depending of the Settings digiKam Can Ask you to Convert to Working Space "
0336 "When Loading in Image Editor"
0337 msgstr ""
0338 
0339 #: ../../color_management/working_space.rst:104
0340 msgid "Large or Small Gamut"
0341 msgstr ""
0342 
0343 #: ../../color_management/working_space.rst:106
0344 msgid ""
0345 "One major consideration in choosing a working space is that some working "
0346 "spaces are bigger than others, meaning they cover more of the visible "
0347 "spectrum (and perhaps even include some imaginary colors - mathematical "
0348 "constructs that don't really exist). These bigger spaces offer the advantage "
0349 "of allowing you to keep all the colors captured by your camera and preserved "
0350 "by the Lcms conversion from your camera profile to the really big profile "
0351 "connection space."
0352 msgstr ""
0353 
0354 #: ../../color_management/working_space.rst:112
0355 msgid ""
0356 "For the Left to Right: sRGB, AbodeRGB, WideGammutRGB, and ProPhotoRGB Color "
0357 "Profile Show in digiKam"
0358 msgstr ""
0359 
0360 #: ../../color_management/working_space.rst:114
0361 msgid ""
0362 "But keeping all the possible colors comes at a price. It seems that any "
0363 "given digital image (pictures of daffodils with saturated yellows being one "
0364 "common exception) likely only contains a small subset of all the possible "
0365 "visible colors that your camera is capable of capturing. This small subset "
0366 "is easily contained in one of the smaller working spaces. Using a very large "
0367 "working space mean that editing your image (applying curves, saturation, "
0368 "etc.) can easily produce colors that your eventual output device (printer, "
0369 "monitor) simply cannot display."
0370 msgstr ""
0371 
0372 #: ../../color_management/working_space.rst:116
0373 msgid ""
0374 "So the conversion from your working space to your output device space (say "
0375 "your printer) will have to remap the out of gamut colors in your edited "
0376 "image, some of which might even be totally imaginary, to your printer color "
0377 "space with its much smaller gamut, leading to inaccurate colors at best and "
0378 "at worst to banding (posterization - gaps in what should be a smooth color "
0379 "transition, say, across an expanse of blue sky) and clipping (your carefully "
0380 "crafted muted transitions across delicate shades of red, for example, might "
0381 "get remapped to a solid block of dull red after conversion to your printer's "
0382 "color space)."
0383 msgstr ""
0384 
0385 #: ../../color_management/working_space.rst:118
0386 msgid ""
0387 "In other words, large gamut working spaces, improperly handled, can lead to "
0388 "lost information on output. Small gamut working spaces can clip information "
0389 "on input. Here is some oft-repeated advice:"
0390 msgstr ""
0391 
0392 #: ../../color_management/working_space.rst:120
0393 msgid "For images intended for the web, use sRGB."
0394 msgstr ""
0395 
0396 #: ../../color_management/working_space.rst:122
0397 msgid ""
0398 "For the most accuracy in your image editing (that is, making the most of "
0399 "your *bits* with the least risk of banding or clipping when you convert your "
0400 "image from your working space to an output space), use the smallest working "
0401 "space that includes all the colors in the scene that you photographed, plus "
0402 "a little extra room for those new colors you intentionally produce as you "
0403 "edit."
0404 msgstr ""
0405 
0406 #: ../../color_management/working_space.rst:124
0407 msgid ""
0408 "If you are working in 8-bits rather than 16-bits, choose a smaller space "
0409 "rather than a larger space."
0410 msgstr ""
0411 
0412 #: ../../color_management/working_space.rst:126
0413 msgid ""
0414 "For archival purposes, convert your RAW file to a 16-bit TIFF with a large "
0415 "gamut working space to avoid loosing color information. Then convert this "
0416 "archival TIFF to your working space of choice (saving the converted working "
0417 "TIFF under a new name, of course). See here for more details."
0418 msgstr ""
0419 
0420 #: ../../color_management/working_space.rst:132
0421 msgid "digiKam Queue Manager Allows to Batch Convert Color Space"
0422 msgstr ""
0423 
0424 #: ../../color_management/working_space.rst:135
0425 msgid "Gamma Properties"
0426 msgstr ""
0427 
0428 #: ../../color_management/working_space.rst:137
0429 msgid ""
0430 "The gamma of a color profile dictates what power transform needs to take "
0431 "place to properly convert from an image's embedded color profile (perhaps "
0432 "your working color space or your camera color profile) to another color "
0433 "profile with a different gamma, such as your chosen working space, or the "
0434 "display profile used to display the image on the screen or perhaps from one "
0435 "working space to another, or perhaps from your working space to your "
0436 "printer's color space. `Libraw <https://www.libraw.org/>`_ outputs a 16-bit "
0437 "image with a linear gamma, which means that a histogram of the resulting "
0438 "image file shows the actual amount of light that each pixel on the camera "
0439 "sensor captured during the exposure (paraphrasing this page). (Which is why "
0440 "at present applying a camera profile to the Libraw output also requires "
0441 "applying an appropriate gamma transform to get to the desired working space, "
0442 "unless the camera profile also uses gamma=1.)"
0443 msgstr ""
0444 
0445 #: ../../color_management/working_space.rst:139
0446 msgid ""
0447 "One practical consequence of the gamma of a working space is that the higher "
0448 "the gamma, the more discrete tones are available for editing in the shadows, "
0449 "with consequently fewer tones available in the highlights. Changing the "
0450 "gamma of an image redistributes the number of tones available in the lighter "
0451 "and darker areas of an image. Theoretically, if you are working on a very "
0452 "dark-toned (low key) image you might want a working space with a higher "
0453 "gamma. And if you are working on a high key image, say a picture taken in "
0454 "full noon sunlight of a wedding dress with snow as a backdrop, you might "
0455 "want to choose a working space with a lower gamma, so you have more "
0456 "available tonal gradations in the highlights."
0457 msgstr ""
0458 
0459 #: ../../color_management/working_space.rst:141
0460 msgid ""
0461 "Theory aside, in the real world of real image editing, almost everyone uses "
0462 "working spaces with either a gamma of either 1.8 or 2.2. sRGB and L*-RGB are "
0463 "two notable exceptions."
0464 msgstr ""
0465 
0466 #: ../../color_management/working_space.rst:143
0467 msgid ""
0468 "sRGB uses a transfer function close to that of a CRT (and thus not "
0469 "necessarily relevant to image editing or to display on an LCD). Unlike most "
0470 "other RGB color spaces the sRGB gamma can not be expressed as a single "
0471 "numerical value. The overall gamma is approximately 2.2, consisting of a "
0472 "linear (gamma 1.0) section near black, and a non-linear section elsewhere "
0473 "involving a 2.4 exponent and a gamma (slope of log output versus log input) "
0474 "changing from 1.0 through about 2.3, which makes for some complicated math "
0475 "during image processing."
0476 msgstr ""
0477 
0478 #: ../../color_management/working_space.rst:145
0479 msgid ""
0480 "L*-RGB uses as its transfer function the same perceptually uniform transfer "
0481 "function as the CIELab color space. *When storing colors in limited "
0482 "precision values* using a perceptually uniform transfer function *can "
0483 "improve the reproduction of tones*."
0484 msgstr ""
0485 
0486 #: ../../color_management/working_space.rst:147
0487 msgid ""
0488 "In addition to gamma=1.8 and gamma=2.2, the only other gamma for a working "
0489 "space that gets much mention or use is linear gamma, or gamma=1.0. As noted "
0490 "above, `Libraw <https://www.libraw.org/>`_ outputs linear gamma files if you "
0491 "ask for 16-bit output. Linear gamma is used in HDR (high dynamic range) "
0492 "imaging and also if one wants to avoid introducing gamma-induced errors into "
0493 "one's regular low dynamic range editing."
0494 msgstr ""
0495 
0496 #: ../../color_management/working_space.rst:149
0497 msgid ""
0498 "**Gamma-induced errors** is a topic outside the scope of this manual but "
0499 "it's commonly-encountered that gamma-induced error that is caused by "
0500 "incorrectly calculating luminance in a nonlinear RGB working space. And in a "
0501 "similar vein, the calculations involved in mixing colors together to produce "
0502 "new colors (such as using a digital filter to add warmth to an image) result "
0503 "in gamma errors unless the new colors are calculated by first transforming "
0504 "all the relevant values back to their linear values."
0505 msgstr ""
0506 
0507 #: ../../color_management/working_space.rst:151
0508 msgid ""
0509 "Unfortunately and despite their undeniable mathematical advantages, linear "
0510 "gamma working spaces have so few tones in the shadows that they are "
0511 "impossible to use for editing if one is working in 8-bit, and still "
0512 "problematic at 16-bit. When the day comes when we are all doing our editing "
0513 "on 32-bit files produced by our HDR cameras on our personal supercomputers, "
0514 "We can predict that we will all be using working spaces with gamma=1."
0515 msgstr ""
0516 
0517 #: ../../color_management/working_space.rst:154
0518 msgid "Tonal Steps and Gamut Size"
0519 msgstr ""
0520 
0521 #: ../../color_management/working_space.rst:156
0522 msgid ""
0523 "How many discrete tonal steps are there in a digital image? In an 8-bit "
0524 "image, you have 256 tonal steps from solid black to solid white. In a 16-bit "
0525 "image theoretically you have 65536 steps. But remember, those 16-bit started "
0526 "out as either 10-bit (=1024 steps), 12-bit (=4096 steps), or 14-bit (=16384 "
0527 "steps) as produced by the camera's A-to-D converter - the extra bits to "
0528 "reach 16-bit start out as just padding. The available tones are not "
0529 "distributed evenly from light to dark. In linear gamma mode (as the camera "
0530 "sensor sees things), there's a whole lot more tones in the highlights than "
0531 "in the shadows. Hence the advice, if you shoot RAW, to expose to the right "
0532 "but don't blow the highlights."
0533 msgstr ""
0534 
0535 #: ../../color_management/working_space.rst:158
0536 msgid ""
0537 "One major consideration in choosing a working space is that some working "
0538 "spaces are bigger than others, meaning they cover more of the visible "
0539 "spectrum (and as a consequence include some imaginary colors - mathematical "
0540 "constructs that don't really exist). These bigger spaces offer the advantage "
0541 "of allowing you to keep all the colors captured by your camera and preserved "
0542 "by the `Lcms <https://www.littlecms.com/>`_ conversion from your camera "
0543 "profile to the super-wide-gamut profile connection space and out again to "
0544 "your chosen working space."
0545 msgstr ""
0546 
0547 #: ../../color_management/working_space.rst:160
0548 msgid ""
0549 "But keeping all the possible colors comes at a price, as explained below. "
0550 "And it seems that any given digital image likely only contains a small "
0551 "subset of all the possible visible colors that your camera is capable of "
0552 "capturing. This small subset is easily contained in one of the smaller "
0553 "working spaces."
0554 msgstr ""
0555 
0556 #: ../../color_management/working_space.rst:162
0557 msgid ""
0558 "Using a very large working space means that editing your image (applying "
0559 "curves, increasing saturation, etc.) can easily produce colors that your "
0560 "eventual output device (printer, monitor) simply cannot reproduce (you "
0561 "cannot see these colors while you're editing, either). So the conversion "
0562 "from your working space to your output device space (say your printer) will "
0563 "have to remap the out-of-gamut colors in your edited image, some of which "
0564 "might even be totally imaginary, to your printer color space with its much "
0565 "smaller color gamut."
0566 msgstr ""
0567 
0568 #: ../../color_management/working_space.rst:164
0569 msgid ""
0570 "This remapping process will lead to inaccurate colors and loss of saturation "
0571 "at best. Even worse, the remapping can easily lead to banding (posterization "
0572 "- gaps in what should be a smooth color transition, across an expanse of "
0573 "blue sky) and clipping (e.g. your carefully crafted muted transitions across "
0574 "delicate shades of red, for example, might get remapped to a solid block of "
0575 "dull red after conversion to your printer's color space). Also, the experts "
0576 "say that 8-bit images just don't have enough tones to stretch across a wide "
0577 "gamut working space without banding and loss of saturation, even before "
0578 "conversion to an output space. So if you choose a large gamut working space, "
0579 "make sure you start with a 16-bit image."
0580 msgstr ""
0581 
0582 #: ../../color_management/working_space.rst:171
0583 msgid ""
0584 "The digiKam Color Profile Properties Dialog Displaying BestRGB Information"
0585 msgstr ""
0586 
0587 #: ../../color_management/working_space.rst:173
0588 msgid ""
0589 "To summarize, large gamut working spaces, improperly handled, can lead to "
0590 "lost information on output. Small gamut working spaces can clip information "
0591 "on input. Medium-sized gamut working spaces try to strike a happy medium."
0592 msgstr ""
0593 
0594 #: ../../color_management/working_space.rst:175
0595 msgid "Here are some oft-repeated bits of advice on choosing a working space:"
0596 msgstr ""
0597 
0598 #: ../../color_management/working_space.rst:177
0599 msgid ""
0600 "For images intended for the web, use (or at least convert the final image "
0601 "to) sRGB."
0602 msgstr ""
0603 
0604 #: ../../color_management/working_space.rst:179
0605 msgid ""
0606 "For the most accuracy in your image editing (that is, making the most of "
0607 "your limited *bits* with the least risk of banding or clipping when you "
0608 "convert your image from your working space to an output space), use the "
0609 "smallest working space that includes all the colors in the scene that you "
0610 "photographed, plus a little extra room for those new colors you "
0611 "intentionally produce as you edit."
0612 msgstr ""
0613 
0614 #: ../../color_management/working_space.rst:181
0615 msgid ""
0616 "If you are working in 8-bits rather than 16-bits, choose a smaller rather "
0617 "than a larger working space to avoid clipping and banding."
0618 msgstr ""
0619 
0620 #: ../../color_management/working_space.rst:183
0621 msgid ""
0622 "For archival purposes, convert your RAW file to a 16-bit TIFF with a large "
0623 "gamut working space to avoid loosing color information. Then convert this "
0624 "archival TIFF to your medium-gamut or large-gamut working space of choice "
0625 "(saving the converted working TIFF under a new name, of course)."
0626 msgstr ""