Recommended articles about coordinates

Use the GD2 function to draw geometric figures (PHP Graphics and Image Typical Application Tutorial 4) This article mainly explains the use of the GD2 function to draw geometric figures. First, we need to create an image. We have said in the previous article Well, creating an image is the first step in all image operations, then drawing the graphic outline based on the coordinate points on the background, and finally outputting the graphic! Well, we introduced how to generate verification codes in the previous article "Using Image Processing Technology to Generate Verification Codes (Typical Application Tutorial of PHP Graphics and Images 3)". I wonder if my friends have mastered this knowledge point. I am not familiar with it yet. Friends, you can review it! Today we explain drawing geometric shapes! Technical points of this article: In this article, the GD2 function is mainly used to draw geometric figures. Some of the functions have been introduced in detail in previous articles. Below we introduce the commonly used functions: (1) imagecreatetruecolor() function. This function uses Yu suggested a full-color image file resource. The syntax format of this function is as follows: int imagecreatetruecolor(int x_size,int&nb

1. Use the GD2 function to draw geometric figures (typical of PHP graphics images) Application tutorial 4)

Introduction: This article mainly explains the use of GD2 function to realize the drawing of geometric figures. First What we need is to create an image. As we said in the previous article, creating an image is the first step in all image operations, and then draw the graphic outline based on the coordinate points on the background, and finally output the graphic!

2. Detailed introduction to the example code of java intercepting pictures based on coordinates

##Introduction: This article mainly introduces the relevant information about the java interception image example code based on coordinates. Friends who need it can refer to

##3.

jquery(Jcrop)+PHP Cut pictures according to coordinates

Introduction: jquery(Jcrop)+PHP Cut pictures according to coordinates

4.

Post a piece of code that calculates distance based on coordinates. Those developed by LBS can learn from it

Introduction: Provide various official and user-released code examples and code references. Everyone is welcome to exchange and learn.

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