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教程:森林鸟瞰图制作步骤解析第1张图片


Aerial Trees Break Down

由专筑网李韧,曹逸希编译

通过研究实验室项目的鸟瞰图制作,我会把它们添加到即将出版的第五版作品集之中。因为有许多图像需要在短时间之内制作完成,因此我会减少每个图像所花费的时间。在该案例中,这些图像的完成时间不到一天,也就是说,鸟瞰图看起来很复杂,其实没什么步骤。对我而言,这些都是PS的固定流程。

下面便是我制作鸟瞰景观图像的分解步骤。

One of the new images I generated for my upcoming Portfolio Volume 05 was an aerial view of the Research Lab Project. Because I have many new images to generate in a short amount of time for the portfolio, I have been trying to minimize time spent on each image. In this case, this image was created in less than a day start to finish. With that said, aerial images with a lot of trees such as this can look complex and difficult to create, but in reality, it’s not that bad. For me, it is all about being systematic with the workflow and keeping the layers clean and organized in Photoshop.
Below is a quick break down of the illustration and the simple process I used to create the aerial forest.


1、基础渲染

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首先在SU中设置渲染视图,然后通过V-Ray进行渲染。我还在画面当中保留一些树叶的投影,但是树木是隐藏起来的。其实我可以在后期中来处理这些投影,但是屋面上的几何形态,因此我决定直接在模型中制作。

1. Base Rendering
I first setup the view in Sketchup and rendered it out using V-Ray. I also dropped in some trees (hidden in this view) to cast some shadows on the roof. I could have Photoshopped in these shadows but decided to go the 3D route because of all of the geometry happening on the roof.


2、地面植物

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然后,我在PS中设置一个新组,添加了一些地面植物。我并不在乎PS当中植物的形态,因为它们在后期会被树木覆盖。地面植物由三个不同的图像复制粘贴拼贴组成。

2. Ground Vegetation
Next, I setup a new group in Photoshop and added in some ground vegetation. I wasn’t too concerned about how clean the Photoshop was on the vegetation because it was largely going to get covered up with trees. The texture is made up of about three images Cloned Stamped together.


3、地面投影

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在设置地面投影时,我会先在基础渲染图像中提取阴影。然后将建筑的阴影放入“地面植物”组,设置图层混合模式为“正片叠底”。

3. Ground Shadows
The first thing I typically do when setting up the ground shadows is to extract the shadows from the base rendering. In this case, I grabbed the shadow that the building was casting on the ground, brought it into my “Ground Vegetation” Group, and set the layer blend mode to “Multiply”.

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场地上的树木很多,因此投影也很多。于是,我通过提取一个剪切过的树木,将树木暗化、再添加蓝色调而创建了树木投影,与地面的投影相匹配,最后添加了一些模糊滤镜效果。准备好投影之后,就可以进行复制,然后让投影覆盖大面积场地。

我通常会设置新组来制作阴影,其中包括建筑物的基础地面阴影。然后图层混合模式设置为“正常”,这样就不会有正片叠底的效果。最后再将整个组的图层混合模式设置为“正片叠底”,就可以得到最终成果。

Since there will be a lot of trees covering the site, there will also be lots of tree shadows on the ground. Therefore, I created a tree shadow by taking one of my cutout trees, darkening it, giving it a blue tint to match the ground shadows of the base rendering, and finally added some motion blur. Once I had the tree shadow ready to go, I simply copied it untill the ground was mostly covered.
One quick tip, I setup a new group to contain all of the shadows including the ground shadows from the base rendering. All of the Layer Blend Modes of the individual shadow layers were set to “Normal” so that they did not multiply on top of themselves. I then set the group Layer Blend Mode to “Multiply” to get the final effect.


4、添加树木

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我编辑了五棵树,这几棵树都是我所需要的类型。有些树生长得较为旺盛,有的则相反,而这些不同的效果我恰恰都需要。然后我将它们复制在场地之中,但是确保树木与鸟瞰图的视角相符合。因为只有五棵树,因此我反转变幻了许多角度,否则会看起来太假。
在不久之前,我也制作了一个教程,其中仔细地说明了如何让复制的图像看起来真实一些。

4. Adding Trees
I compiled five cutout trees that were more or less the type that I need for the forest. Some were older and some were younger for some more diversity. I then copied them throughout the site making sure that I was angling the trunks to match the perspective of the image. Since I only had five different trees, I did a lot of flipping and toning to avoid the trees feeling too copied.
I created a tutorial a while ago going into more depth on this idea of avoiding that copied look Here.


5、屋顶花园

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屋顶花园的添加步骤和地面植物相同。我增加了一系列肌理,然后结合在图像之中,并且在地面添加一些基本的投影,另外我还应用了一些玻璃与人物。

5. Roof Gardens
The steps used to add in the roof gardens were identical to those used to add the ground vegetation and shadow. I compiled a group of textures, stitched them into the illustration, and then multiplied the base render shadows on top. I also reworked some of the glass and brought in a few people.


6、最终成果

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最后,我调整了整个图像的色调,但是并没有做过多的调整,只是一些对比度而已,然后通过滤镜来增加一些细节,并且在图像中添加了雾气的效果。

6. Final Toning
Finally, I adjusted the toning of the image. Not much was done here though. I adjusted the contrast, ran some Topaz filters to pull out some detail, and added a slight atmospheric haze over the entire image.

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  • 盖里008
  • 2019.03.19 16:40
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