作者: FLIT 時間: 2025-3-21 20:37
Writing mental ray? Shaders978-3-211-48965-9Series ISSN 1438-9835 作者: 編輯才信任 時間: 2025-3-22 01:54 作者: 改進 時間: 2025-3-22 05:19 作者: effrontery 時間: 2025-3-22 09:19
A single colorAs we saw in Chapter 3, a shader calculates some output value based on a standard set of input data and the parameters chosen for the shader. Now we’ll see how these concepts are implemented in C.作者: aesthetic 時間: 2025-3-22 13:21
The transparency of a surfaceIn previous chapters, we have used variables in the state struct to calculate the color of the surface. We’ve also used a few of the mental ray library functions, like the mi-eval functions for parameters, and some utility functions, like mi_vector_dot. In this chapter, we use a function that examines the rendering environment through ray tracing.作者: Electrolysis 時間: 2025-3-22 19:42
Light on a surfaceIn our discussion of light shaders in the last chapter, we used a simple material shader that took the light into account to define the color of the surface. In this chapter, we’ll use our light shader with a variety of material shaders that approximate the affect of diffuse and mirror-like reflections from a surface.作者: NAUT 時間: 2025-3-22 23:49 作者: BOLUS 時間: 2025-3-23 04:31 作者: 個阿姨勾引你 時間: 2025-3-23 06:45 作者: 名詞 時間: 2025-3-23 09:46
Introductionrendering.” In each of these, there is a transformation from one domain to another: from the landscape before the painter to color on paper, from musical notation to sound, from the associations in a poet’s mind to a book of poetry.作者: deadlock 時間: 2025-3-23 17:23
The structure of the scene in a .—mental ray doesn’t . anything; there is input and the program produces output. But to simplify our creation of the input, it would be better if it related to our own intentions behind the picture, not to the pattern of bits that will be read (another metaphor) by mental ray.作者: 槍支 時間: 2025-3-23 21:41 作者: hazard 時間: 2025-3-24 01:25 作者: Spongy-Bone 時間: 2025-3-24 02:55
Color from orientationors—its shape, where it is, images that are used to define its color, and, as we’ll see in the next part of the book, ., how the color of the surface can be represented by a simulation of the physics of illumination.作者: BABY 時間: 2025-3-24 08:54 作者: cancellous-bone 時間: 2025-3-24 10:55
Color from functionsion of color. We can also use a mathematical function to define how the color varies across the object. For its arguments, this function will use numerical values associated with some aspect of the surface. In this case we say that there is a . from some surface parameter to the color value we are going to use in our shader.作者: 欺騙手段 時間: 2025-3-24 17:27 作者: 季雨 時間: 2025-3-24 21:44
Lightsrequirements for the shader given its use in the scene file. We define shaders for our simulation of lights, too, and the contract for the light shader is to define the color that is produced by the light.作者: ellagic-acid 時間: 2025-3-25 00:31
1438-9835 s is a transformation of a description of imagined space into a picture of that space. In a watercolor by architect Eliel Saarinen (Figure 1.1), the effect of light on marble is demonstrated in a way that would978-3-211-48964-2978-3-211-48965-9Series ISSN 1438-9835 作者: FOLLY 時間: 2025-3-25 04:23 作者: Impugn 時間: 2025-3-25 08:45
our ecosystem models. All inversions detect a strong annual carbon sink in the southwestern part of Europe and a source in the northeastern part. Such a dipole, although robust with respect to the network of stations used, remains uncertain and still to be confirmed with independent estimates. Compa作者: scoliosis 時間: 2025-3-25 12:23
the effiiciency of vehicle fleets or switching fuels, require long lead times to have substantial effect, but they are much more likely to persist in their impact. Even if economic growth leads to an increase in the amount of transportation, emissions will be lower if the vehicle stock has higher fu作者: 音樂學(xué)者 時間: 2025-3-25 19:41 作者: Bravado 時間: 2025-3-25 21:01
tify all-important GHG emission sources so that appropriate action plans can be decided to prioritize emission reduction strategies. Source apportionment is a tool to identify and estimate the share of different sources towards prevailing GHG concentration levels. Assessment of the trend of GHG emis作者: 使害羞 時間: 2025-3-26 01:04
of how it may appear in this book, there are several roads one may choose. The choices will depend upon the individual, his wants, his desires, the opportunities available to him. Certainly a greenhouse industry, as might conceivably be found in regions still using bullocks as prime movers (Fig. 1–1作者: 不連貫 時間: 2025-3-26 08:23
d inter-airport travel distances (routes). In this respect, air passengers can be transferred at the airport on two levels: (a) firstly, between the airport ground access systems and one of the longer distance transport systems/modes; and (b) secondly, between two inter-city and inter-airport transp作者: resuscitation 時間: 2025-3-26 10:50
ovative provisions to enhance the public accountability of the local administration may help promote local environmental governance. This may pave the way for narrowing the well-known implementation gap in connection with implementation of urban environmental policies.作者: GRIPE 時間: 2025-3-26 16:00 作者: Onerous 時間: 2025-3-26 20:37
ion, improving mental and physical health, and nutrition education. The entanglements between these values were also highlighted as urban agriculture has the potential to provide multiple benefits. While some expressed a need to quantify urban agriculture’s contributions in order to demonstrate thei作者: GROSS 時間: 2025-3-27 00:35
itical legitimacy no longer lay in managing the compromise between collective obligation and individual autonomy by reference to the modern ‘situation-centred ethico-morality’ that sustained eco-nomic-redistributive policymaking. The concerns of social citizenship, as expressed by organized labour, 作者: Excitotoxin 時間: 2025-3-27 01:10
blication of Rachael Carson’s . and the Club of Rome’s work on the limits to economic growth combined with media coverage of environmental issues to heighten public awareness and concerns about the range and extent of environmental problems. These issues included the need stringently to treat water 作者: Flatus 時間: 2025-3-27 08:05
ered the starting point to develop a descriptive theory of Green Urbanism. The methodological approach starts by exploring the main business models, in a wider sense, applicable to a smart city, identifying the stakeholders and a framework to define, measure and develop the green dimension of a smar作者: forthy 時間: 2025-3-27 09:55
three approaches within neo-institutionalism: the historical-traditional approach, a cultural-organisational approach, and the (political-economic) rational choice approach. In order to make a choice we will follow the argument put forward by Bulmer (1998).作者: Abjure 時間: 2025-3-27 16:49 作者: 宣稱 時間: 2025-3-27 20:04
ontext. The smaller scale of this case study, compared to other case studies in the NAIAD project, highlighted the similarities and differences in NBS effectiveness and viability across a wide range of spatial scales. The lessons learned from this Rotterdam case study can facilitate future decision-作者: 時代 時間: 2025-3-28 00:20
ature, transforming the DMZ into a precious reserve of biodiversity in the rapidly expanding and urbanizing context of the Korean Peninsula. These valuable ecosystems have been confirmed by an international coalition of scientists, activists and peace-builders, who all agree that a future reconcilia作者: AVERT 時間: 2025-3-28 03:48 作者: 無禮回復(fù) 時間: 2025-3-28 08:28
oxide and methane emissions show a large spatial and temporal variability, which results from a complex interaction of river carbon inputs, sedimentation and resuspension processes, microbial processes in waters and sediments, tidal exchanges with marshes and flats and gas exchange with the atmosphe作者: connoisseur 時間: 2025-3-28 14:25 作者: 淡紫色花 時間: 2025-3-28 17:12
and transition countries, the key issue in analyzing transportation mitigation options is how to reduce growth in emissions from projected levels. Analysis of mitigation options needs to consider both the short term (up to a decade into the future) and the long term (a decade or longer). Unlike oth作者: podiatrist 時間: 2025-3-28 20:10 作者: 確定的事 時間: 2025-3-29 01:58
pacts due to global warming have become one of the focal points of international environmental policy drive. With the increasing global warming trend, frequency and magnitude of extreme weather events, accelerating desertification, land degradation, and frequent drought events have become common in 作者: 充滿裝飾 時間: 2025-3-29 05:51
diversity is a strength, but perhaps its greatest weakness. Greenhouses are a means to overcome climatic adversity. They are, nevertheless, directly influenced by climate, by topography, by the technological status of the civilization about them, and by their history. As humans manage them, their a作者: Constituent 時間: 2025-3-29 07:39 作者: 媽媽不開心 時間: 2025-3-29 12:37 作者: 手勢 時間: 2025-3-29 17:59
ater. In the context of high density urban environments, they are integral to the network of green and public spaces and have the potential to encompass a range of uses including residential, commercial, leisure, recreational, heritage and art offering a multitude of economic, social, environmental 作者: Acetaminophen 時間: 2025-3-29 22:44 作者: delusion 時間: 2025-3-30 03:18
generalizable interests of all individuals pointed to a more comprehensive transformation of the legitimation imperative of state. While ‘old’ social movements continued to engage in civil actions that claimed generalizable interests, these were marginalized from the political sphere itself in posti作者: GNAW 時間: 2025-3-30 07:09 作者: 細微的差異 時間: 2025-3-30 08:44 作者: Herd-Immunity 時間: 2025-3-30 15:53 作者: audiologist 時間: 2025-3-30 17:22
l devices deteriorating the user experience and contributes to the global energy consumption with negative environmental effects. Solutions to reduce the energy usage of mobile terminals include increasing the power efficiency of the terminal components, optimizing the video decoding and playback so作者: Diatribe 時間: 2025-3-31 00:09 作者: NICHE 時間: 2025-3-31 03:02
continues to be a line of tension between North and South Korea. Crossing the peninsula from East to West, the linear enclave represents a cross section of Korean landscapes and cuts through a variety of ecosystems and topographies from the sacred mountain of Keumsangang to the delta of the Han and 作者: 欲望 時間: 2025-3-31 07:37 作者: 爭議的蘋果 時間: 2025-3-31 09:28
Reflectionrd “specular” for mirror-like reflections, and use the word “glossy” for scattering reflective surfaces, like brushed aluminum or tarnished silver. In this sense, “glossy reflections” occur in a continuum between diffuse reflections at one end and specular reflections at the other.作者: 慢慢啃 時間: 2025-3-31 14:19
