This topic describes some of the following topics.
1.
N. M. Thalmann, S. hadap, P. Kalra. StateOf the art in hair simulation. in the International Workshop on Human ModelingAnd animations, 2002, 3-9.DownloadThis is an old one. The introduction is comprehensive.2.
A survey on hair Modeling:.
Styling, simulation, and rendering. Kelly ward Florence bertails.
Tae-Yong Kim Stephen R. Marschner Marie-paule c
Since 1970s, the implementation of hair rendering has been a problem that the graphic community has been trying to solve. In the early days, hair rendering took a brute force approach that took hundreds of hours to model and render each hair. This method eventually fails. Because under the existing hardware conditions, it is unrealistic to simulate highly complex
The tutorial teaches friends to use the PS Extract filter to force the foreground to pull out the complex hair quickly, the tutorial explanation method is very practical, also relatively simple, is suitable for pulls out the hair and the background has the trenchant material, OK, looks at the final effect chart first:
When many friends pick their hair
This section prepares knowledge:
1, a preliminary understanding of the mask
2, a preliminary understanding of the channel
A friend asked me how to pull a picture, how to pick my hair, because he wanted to change the white background of the registration photos to the blue bottom, before we go to the photo. So he told him a dozen of ways to pull the map and alternative approach, think or summarize, and share with you, because I also found that a lot
The drawing is very fastidious method, the concrete need according to the original material the subject and the background complexity degree chooses the appropriate method. The following picture shows the color of the monkey hair is different, it is best to select the extraction filter to pull the map, respectively, white and black hair can be dug out.OriginalFinal effect Just looking for the "monkey" foota
Look at the effect:
1. Create a custom brush, this brush by some depending on the size of the point. Point size depends on the drawing of the accuracy. Note that brush do not contain too much of the point. When you create a finished, in brush menu in the double-click it, the spacing is set to 1. The image below shows the two brush example.
2. to decide on a color, pay attention to the foreground color to compare the background color dark some, and then start to draw some short-term.
PS Use the Extract filter to dig out the very fine hair
This filter if used, pull the figure to win the channel and adjust the edge, even the very fine hair can be no damage to pull out, speed is extremely fast. However, when you pull the picture must be in black and white effect, so that will not be forced before the color effect, while smearing fine hair when
The faux hawk cheap GHD hair straightener can be saved med by cutting the top of the hair so there is at least 1.5 inches of hair and the sides can be cut as short as you like. with without the intervention of a styling product, style so the hair on top of your head is pushed toward the center of the Crown, thus creati
Some people may know that my Renderer is based on ray tracing. Although the previous versions also have scanning lines, it is hard to maintain both render cores at the same time, so temporarily changed to pure raytracer, so the new hair function here is based on post processing, the method is very simple, is to use Z-BUFFER, then, the hair lighting model uses the standard material of the opposite sex in 3DS
Hair is the hardest part of changing hands. A hair that looks very simple. The production is very exquisite.
1, hair to conform to the character's existing hairstyle. Color, etc. can choose by yourself.
2, hair needs to have a layered sense, there are thick and thin, there are shallow and deep.
3,
Step1
As can be seen from the figure below, model is not filmed in a clean background, but is filmed on a bed shop, and there is no special lighting.
Step2
After you know this image, then cut to "color version", the duplicate of a hair and background of a larger color version, after the restoration, then press Ctrl+i to change negative effect.
Step3
Next, perform the function table/image/adjustment/brightness/contrast opti
This tutorial is for this site tutorial Alliance
China Tutorial NetworkSpecial Feeds
Purpose of this tutorial: keep the details of the hair as much as possible and remove the background.The difficulty of this tutorial: the background color of this picture is gray, in the red-green-blue three-color channel contrast is not big. The details of the hair and background color closer, using the channel to pull the
To the users of Photoshop software to explain the detailed analysis of the messy hair to share the experience of the decoration skills.
Experience Tips:
Portraits are mainly about the upper part of the body, and a good portrait can reflect many of the details of the person. But in the process of taking a portrait, it is often found that there are a few hairs sticking out or curling up to make the character's
To give you illustrator software users to detailed analysis to share the drawing of the character's hair gradient effect of the tutorial.
Tutorial Sharing:
1---Draw the shape, add the grid.
On the use of the grid experience in the last post I have said.
But still hint: nose, mouth, eye best alone picture, so the grid is few, good edit.
2---Draw the nose, add the grid.
Enlarge view to edit,
PS late to "that is fast and good" of the idea touched me also very much.
So, some time ago also have a moment to figure out the layer blending mode, and try to do a few in the other late forum to do a few pull thread practice.
Here's a picture of a foreign woman, how to pull it out? I just took advantage of the principle of layer blending mode. The basic idea is: when we put the landscape background map as a mixed color layer on the top,
The character is placed on the lower level as the bas
To the users of the illustrator software for detailed analysis to share the character gradient mesh and hair drawing tutorials.
Tutorial Sharing:
1, draw the shape, add the grid.
On the use of the grid experience in the last post I have said.
But still hint: nose, mouth, eye best alone picture, so the grid is few, good edit.
2, draw the nose, add the grid.
Enlarge view to edit, patiently a
Requirements
Required knowledge
This article requires a basic understanding of html and css front-end code.
Running EnvironmentStandard browser, compatible with IE7
Source code download
Font Awesome provides you with a set of scalable Font vector icons that can quickly customize the size, color, and shadow of the icons. These can be achieved through CSS, no JS code is required.
3. Use CSS to customize the Icon size, color, and shadow.
5. Supp
The data structure we implement is to solve the dynamic open-up space usage during the running process (for example, we do not know how much we enter without stopping the input)
Two principles:
I. Stupid Methods
How much space is used and how much space is opened for the first time?
The second time we use space, we will open up space B larger than the first one, copy the data in A to B, then release a, and write new data in C.
Disadvantage: copying is too many times and the efficiency is lo
Establishing equationsSet a to a point outside the line,B,c to two points in a straight line$\left\{\begin{matrix}(X-ax,y-ay) \cdot (cx-bx,cy-by) =0 \\FRAC{Y-CY}{X-CX}=\FRAC{Y-BY}{X-BX} \\end{matrix} \right.$?Solve the symbolic solutionUsing the Mathematics tool:
solve[{(x?-? Ax) * (CX?-? bx)? +? ( Y?-? ay) * (Cy?-? by)? = =???
??? 0,? (y?-? Cy) * (x?-? bx)? = =? (y?-? by) * (x?-? cx)},? {x,?y}]??
Come to the following:
{{x?->?-(bx?-? cx)? ( Ax?bx?+?ay?by?-? ax?cx?-? a
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