geometric pattern vector

reproduced in http://blog.csdn.net/zsq306650083/article/details/8772128 1. Vector Point multiplication formula derivation and geometric interpretation 01. The vector point multiplication (dot product) is the sum of the products of each component, and the formula: Write with a plus sign: 02. Geometrical Interpretation: The result of a point multiplication is a

Tim Wuxing 2. the second demo is the performance test demo. clicking the test button will randomly Add 500 points and 500 five-pointed stars. You can click the button multiple times to add them, don't break your browser down ..). We can find that the performance is quite good after we zoom in about 2 times, because we have made a small optimization here, through the external rectangle we obtained above and the range of the current view for intersection comparison, only the ry that matches the

Http://acm.hdu.edu.cn/showproblem.php? PID = 1, 1700 Question: A two-dimensional plane with the center of a circle on the origin. Given the point A on the circle, find the other two points B, C, B, and C on the circle, and the circumference of the Triangle ABC is the longest. Solution: I remember giving a theorem in elementary school. the circumference of the positive polygon in the garden is the longest. I will not prove this theorem. This is a triangle. When the triangle is a p

To give you illustrator software users to detailed analysis to share the production of vector-style geometric background portrait effect of the tutorial. Tutorial Sharing: First, the WPAP of the drawing process Today we want to learn to use AI to make Wpap portrait, then, before this, we need to briefly understand the WPAP drawing process. WPAP's goal is to use an alternative st

Introduction The function interval and geometry interval are explained in the support vector machine, and we mainly explain the difference between the function interval and the geometrical interval in this blog post. This post mainly explains the simple review knowledge, the big guy does not spray. function interval vs. geometric interval On a two-dimensional plane, the distance from a point distance over

, e; Segment (Point S=0, point e=0): s (s), E (e) {} point Turn (DoubleLenDoublea) {///the coordinate of the line segment around the S-rotation a-angle after Len, clockwisePoint T = Es, ans; DoubleLen1 =Dis (S, e); ///printf ("sin (a) =%lf, cos (a) =%lf\n", Sin (a), cos (a));Ans.x = S.x + (T.y*sin (a) +t.x*cos (a)) *len/len1; Ans.y= S.y + (-t.x*sin (a) +t.y*cos (a)) *len/len1; returnans; }};intMain () {point P[MAXN]; intN, A, B; scanf ("%d%d%d", n, a, B); A-=1, b-=1; scanf ("%LF%LF%LF%LF", p[a].

This tutorial describes how to use Photoshop to create a seamless texture of fashionable and colorful geometric patterns. the geometric pattern is very beautiful and the method is not very difficult. after you learn it, you can freely create your favorite patterns. in this tutorial, we will introduce you to the seamless texture effect of creating fashionable and

To give you illustrator software users to detailed analysis of the plot to draw the effect of linear fringe geometric art of the tutorial. Tutorial Sharing: First, create art brushes To make a stripe pattern, the first thing we need to think about is what tools are used to achieve it more quickly. Because such as stripes, dots, squares ... This kind of basic

For many people, making a composite geometric pattern looks very complicated (I think so), in fact, the practice to understand the inside of the doorway, do not believe today we have to challenge a return ~ 1. Create a new 250*250px file, add a vertical, horizontal guide, and position it in the middle of the canvas. This is more convenient to compare position. The canvas color changes to #5a5b5d. 　　2

To the users of the illustrator software to detailed analysis of the design of fashion geometry to share the background of the drawing tutorial. Tutorial Sharing: Well, the above information is small set for you illustrator of this software users brought the detailed design of the fashion geometry background of the drawing tutorials to share the entire content of the you see the users here, small knitting believe that everyone is now very clear the way to draw the bar,

Below are four shapes of patterns, in which the trapezoidal and triangular are to be seen at a glance to see how the implementation works.Don't say much nonsense, just go to the code.　　Welcome Message ~ ~Simple geometric pattern drawing with pure CSS

To give you illustrator software users to detailed analysis to share the plot vector halftone effect pattern of the tutorial. Tutorial Sharing: First, draw graphics Open AI, create a new graphic, the size of the graphic set to 1800px*1800px. Before you start drawing graphics, go to effect > document grid effect Settings, select "Other" in the resolution column in

To give you illustrator software users to detailed analysis to share the plot vector halftone effect pattern of the tutorial. Tutorial Sharing: First, draw graphics Open AI, create a new graphic, the size of the graphic set to 1800px*1800px. Before you start drawing graphics, go to effect > document grid effect Settings, select "Other" in the resolution column in

To give you illustrator software users to detailed analysis of the design to draw a beautiful vector pattern map of the tutorial. Tutorial Sharing: Well, the above information is small set to you illustrator of this software users of the detailed design to draw a beautiful vector pattern m

To give you illustrator software users to detailed analysis to share the rapid production of vector halftone effect pattern of the tutorial. Tutorial Sharing: Well, the above information is small to give you illustrator of this software users of the detailed rapid production of vector halftone effect patterns of the t