Summary of definitions and usage of coordinate axes

The perspective attribute and the related perspective-origin attribute are used to control the distance on the coordinate axis in the 3D graphics space. Below we will share an example method of setting the 3D transformation distance using the CSS3 perspective attribute. Of course, we will also talk about it later. To the usage of perspective-origin: The perspective attribute is crucial for 3D deformation. The attribute will set the location of the viewer and map the visual content to a cone, and then throw it on a 2D visual plane. If the perspective is not specified, all points in the Z axis space will be paved to the same 2D visual plane, and there will be no depth of field concepts in the transformation result. The above description may make it difficult to understand. In fact, for the Perspective attribute, we can simply understand it as the visual distance, which is used to set the distance between the user and the element 3D space Z plane. The effect is determined by his value. The smaller the value, the closer the user and the 3D space Z plane distance, the more impressive visual effects; otherwise, the larger the value, the farther the distance between the user from the 3D space Z plane, the visual effect, the more visual effects. It's small. In 3D deformation, for some deformations,

1. Share an example method of setting the 3D transformation distance using the perspective attribute of CSS3

Introduction: The perspective attribute and the related perspective-origin attribute are used to control the distance on the coordinate axis in the 3D graphics space. Let's explain CSS3 in detail. The perspective attribute sets the 3D transformation distance. Of course, the usage of perspective-origin will also be discussed later:

2. HTML5 Canvas coordinate axis conversion, pattern filling, gradient and Shadow

Introduction: In the previous article, we learned about some basic canvas graphics drawing. Let’s look at some more. Related Operations Axis Transformation The default axes in our canvas are the same as the browser coordinate axes. The x positive semi-axis points to the right and the y positive semi-axis points down. However, we can manually set the canvas coordinate axis transformation. First, the "canvas" and "brush" will be obtained. var canvas = document.getElement

##3. Issues related to the columnar chart in JpGraph

Introduction: Column in JpGraph Problem with the graph [img=http://img.my.csdn.net/uploads/201205/31/1338473872_1500.png img] This is a histogram I compiled. The abscissa is divided into 50 equal parts, and it is used correctly. 50 bars, but the width of these bars is too narrow and does not correspond evenly to the abscissa. How can they just correspond to 0-2, 2-4, 4-6 ... (that is, evenly scattered on the coordinate axis?) JPGRAPH mid -column -like diagram related questions

# ：: JPGRAPH mid -column -like diagram problem [img = http://img.my.csdn.net/uploads/201205/31 /1338473872_1500.png img] This is the pillar chart compiled by me. The horizontal coordinate is divided into 50 points, and 50 pillars are used. How can we make them correspond to 0-2, 2-4, 4-6... (that is, evenly distributed on the coordinate axis?) This

5.

Can Rotate in CSS Transform be used to rotate the diagonal as the axis?

Introduction: Can the div named in in the picture be "obliquely rotated" with AD as the axis using rotate? My attempts, the transform-Origin attribute seems to only shift the coordinate shaft but there is no way to rotate it. Possible...how to achieve this rotation?

6.

There is a drawing with coordinate axes in the html. Can it be generated as a word document?

Introduction: The curve graph in the above picture is drawn with jquery float. What I want to achieve is to convert the html page (not necessarily generated by js, just a drawing with coordinate axes) into a word page. I have tried two methods so far, but neither seems to work: the first is to use the phpword library, but this library does not seem to provide a method for drawing tables. ...

7.

Python implements the method of drawing a straight cursor between two coordinate axes in matplotlib

Introduction: This article mainly introduces the method of Python to draw a straight cursor between two coordinate axes in matplotlib. It involves related skills of Python operating matplotlib module drawing. Friends who need it can refer to it

8. HTML5 Daily Practice Application of Canvas Tag-Drawing Coordinate Transformation Graphics

Introduction: Drawing graphics Sometimes, we may often think of rotating graphics, or using deformation processing on graphics. This effect can be achieved by using the coordinate axis transformation function of the Canvas API. When drawing graphics on a computer, the drawing is based on coordinate points. By default, Canvas...,.

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