光源方向来自图相的左侧。
该算法对于未知光源方向的粗糙表面的3维重建具有较大的理论价值和实用价值。
The experimental results show that the algorithm is effective for the 3d reconstruction of the coarse surface with unknown light direction.
晚上，扫视地平线，寻找像火和街灯的人工光源，然后朝发光的光污染方向走。
At night scan the horizon for artificial light sources such as fires and streetlights, then walk toward the glow of light pollution.
这是因为光源越广，射在物体上光线的方向就越多，这会起到增加场景中的照明、减少阴影的作用。
This is because, with a broad source, light rays hit your subject from more directions, which tends to fill in shadows and give more even illumination to the scene.
LED是电光源，它们只能照亮一个方向。
LEDs are point lighting sources; they shine in only one direction.
由强方向性光源和较弱的环境光源组合在一起可以为你的场景提供一种自然的感观。
A combination of a strong directional light and a weaker ambient light gives a natural-looking appearance to your scene.
你还可以创建一个环境光源以产生无方向性的光，或者点光源，如果你想对你场景中的特定区域聚焦。
You can also create an AmbientLight which will produce a directionless light, or a SpotLight if you want to focus on a particular part of your scene.
正如我已经在这个阶段画的特点，我也有一个想法，主要光源来自哪个方向。
As I have the characters already painted at this stage, I also have an idea where the main light source is coming from.
函数的源代码如下。注意如果光源是方向光，向量的前三个部分将被归一化，来节省时间。
The source code is presented next. Note that if the light is a directional light, the vector with the first three components is normalised to save time latter.
点光源光线在某一点从各个方向发射。
质疑者：每个物体投射出的阴影方向均不同，这说明当时有数个光源——就像电视摄影棚中的情况。
Sceptic: Shadows cast by objects on the surface point in different directions, which proves there were several light sources - as in a TV studio.
目的：研究不同方向光源对数码色度值的影响。
Objective: To study the effect of light from different direction on digital chromatic value.
前三个值表明了光源的位置，在点光源的，或者方向光的方向情况下。
The first three values specify the lights position, in the case of a point light, or the lights direction for directional lights.
我考虑高光的合理位置，使之与光源的方向协调。
I decide on where the highlights are to be placed in accordance with the position of the light source.
在柱坐标下从微分波动方程出发，推导柱面光波的场分布，并利用远场近似条件导出当线光源与光轴成任意角度时，在垂直光轴方向的参考面上的复振幅表示。
The expression of complex amplitude is given in reference plane vertical to the optical axis by far-field approximation when the line source and the principal axis are at any Angle.
尝试移动光源在任何方向离开关键三角形的光线，你的鼠标移动选择以上。
Try moving the light source in any direction away from the key triangle lighting by moving your mouse over the options above.
单一光源，最重要的考虑因素是其方向和明显的大小。
With a single light source, the most important considerations were its direction and apparent size.
然而，选择不同的光源的方向是很主观的硬盘或者柔和的光。
However, the choice of lighting direction is definitely more subjective than that of hard or soft light.
找到合适的光源的方向需要摄影师之间找到平衡点几个潜在的竞争的考量。
Finding the right lighting direction requires the photographer to strike a balance between several potentially competing considerations.
分割面的倾斜角被设为使从光源投射的光以基本上平行于光导板的板面的方向反射的角度。
A slant Angle of the dividing surfaces is set to one at which the light projected from the light source is reflected in a direction substantially parallel with a plate of the light guide plate.
光耦合器424沿着与光源402产生的光数据信号同向传播的方向发射拉曼光泵浦信号。
The optical coupler 424 launches the Raman optical pumping signal in a direction that co-propagates with the optical data signals that are generated by the optical source 402.
第一光管及第二光管分别邻置于第一光源及第二光源，用以改变第一光线及第二光线的方向。
Being located adjacent to first and second light sources, the first and second light pipes are in use for changing direction of first and second beams.
发光器在远离光源的方向上通过光转换元件发射第一颜色的可见光。
The light emitter emits visible light of a first color through the light conversion element in a direction away from the light source.
在柱坐标下从微分波动方程出发，推导柱面光波的场分布，并利用远场近似条件导出当线光源与光轴成任意角度时，在垂直光轴方向的参考面上的复振幅表示。
Starting from the wave differential equation, a method is deduced to express the complex amplitude of light wave fields in the reference plane which is vertical to the optical axis.
由于激光的高亮度和极好的方向性，使之成为非常理想的投影光源。
Because of brightness and directionality, laser has become into an excellent projection light source.
最后一个值定义了光源是位置光源还是方向光。
The last value defines wether the light is positional or directional.
飞行器草图强调了概念上和物理上各自的功能——从远距离的激光源收集激光、光集中在烧蚀材料上和自主操纵方向。
The flyer design emphasizes conceptually and physically separate functions of light collection at a distance from the laser source, light concentration on the ablator, and autonomous steering.
绿色能源与绿色光源的相结合是我们现有产品的主要特点，两者的最佳匹配是我们的主攻方向。
The combination between green energy and green light is our main character, and to make the best combination between them is our main target...
绿色能源与绿色光源的相结合是我们现有产品的主要特点，两者的最佳匹配是我们的主攻方向。
The combination between green energy and green light is our main character, and to make the best combination between them is our main target...
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