fibonacci projection

On a n * n grid, we place some 1 * 1 * 1 cubes is axis-aligned with the X, y, and Z axes.Each value V = grid[i][j] Represents a tower of v cubes placed on top of the grid cell (I, J).Now we view the projection of these cubes onto the XY, YZ, and ZX planes.A projection is a shadow, which maps our 3 dimensional figure to a 2 dimensional plane.Here, we is viewing the "shadow" when looking at the cubes from the

In the OpenGL ES environment, the projection and camera views show objects closer to what people see with the naked eye. This simulation technology is achieved by precisely performing mathematical transformations on the coordinates of the drawn objects. Projection: this transformation adjusts the coordinates of the drawn object based on the width and height of the GLSurfaceView. Without this transformatio

Private Double Double y) { new pointclass (); Ppoint.putcoords (x, y); New Spatialreferenceenvironmentclass (); 2414 ); int ) ( esrisrgeocstype.esrisrgeocs_beijing1954)) ; returnwhich2414 );This line of code is the spatial reference that sets the PPoint, which is the projected coordinate of the point to be converted. If the projection coordinates are not known, the conversion will be reported as abnormal.2414 is the enum value f

bottom side is B. The coordinates of vertex A and vertex B to be projected are a (XA, ya, za), B (XB, Yb, ZB ), now we need their projection point coordinates A0 and B0. Here I will use point B as an example to explain the simplest geometric knowledge of projection. First, we can calculate the X coordinates of B0 points (dotted lines are all auxiliary lines). We can see That Triangle B C O and triangle B0

In OpenGL or d3d, scissoring by API performs the per fragment operation before fragment is written to the frame buffer. The sequence of operations in OpenGL is as follows: Scissor Test Alpha test Stecil Test Depth Test Blend Dither Logic Operation To perform scissor test, we can Glenable (gl_scissor_test); glscissor (left, bottom, with, height ); By default, scissor test is disabled, and the size of scissor is the entire window. In d3d, we can G_pd3device-> s

In application development, if the obtained video image is after the projection transformation and needs to be corrected, you can use the cvwarpperspective function to implement the perspective transformation. Through the perspective transformation, you can flip the image, linear arbitrary deformation. You can also use the projection transform cvgetquadranglesubpix to flip an image, but it has three less

The technology of the Apple mobile phone's projection screenToday, I tried the technology of the screen of the Apple mobile phone is very fun, I would like to share how to achieve the screen effect (my phone is the iphone)(1) First, download the Apple screen master from the Internet (URL: http://www.itools.cn/), download to the computer.Download the icon after the good:(I also downloaded the following item when I was playing with this software (2) Dow

Creating realistic projections Once upon a time I racked my brains to explore if we were to make realistic model projections, based on the company's less solid economic base. Selection of the general shooting company, shot out of the picture does not have three-dimensional. Look at the small picture can also, just do not have the atmosphere of natural feeling so I use the universal PS to create a perfect lifelike projection. Process is also very long,

In the rapid development of science and technology today, we are always feeling the technology to our work, study and life brought about by various changes in the comparison can reflect a company integrated research and development capabilities of the projector field is so. Recently, in the projector market, mainstream projection manufacturers have introduced their own technical strength products, a variety of professional nouns have emerged-the ultim

In the relational algebra relational algebra, the unary operator has the option of selecting, projecting project, renaming Remane, the remainder including the union, set difference set diffetence, and Cartesian product Cartesian Product, etc., is a two-element operator. Learn the basics of their use below.One or one-tuple operatorA) SelectThe selected operator is lowercase sigma (σ), such as a teacher selecting a physics department, which can be written as:Σdept_name= "Physics" (instructor) (The

1, Light projection collision: First person sight in preset range (e.g. 3 m) and objects seen collide① script to detect ray-casting collisions is added on first-person Fpscontroller#pragma strictprivatevarCurrentdoor:gameobject;varHit:raycasthit;functionUpdate () {varFWD =transform. Transformdirection (Vector3.forward); //true when Ray casts intersect with any collider, otherwise false if(Physics.raycast (transform.position,fwd,hit,18)){ //

This article mainly introduces the visual effects of PS in flat and long projection. The tutorial is simple and suitable for beginners to learn. Final effect Step 1 create a backgroundCreate a new canvas with a size of 840*400. you can use a solid color as the background or use a gradient tool to create a canvas. the color value here is # e0e0e0, which is not described here. Step 2 create a shapeSelect the rectangle tool. The size is 100px, the ra

Whether it is a design or a movie to play the game coding, multi-screen can always bring convenience. Screen projection requires a connection screen: Connect via VGA cable, connect via HDMI cable, or connect wirelessly.Introduction Win10 Implementing Screen projection settings: https://jingyan.baidu.com/article/3a2f7c2e33280f26afd61184.htmlHere are some of the issues you need to be aware of when you are pla

DifficultiesNormal elements add Border-radius the resulting shape adds box-shadow to the perfect effect. But when ordinary elements add pseudo-elements or translucent decorations, Box-shadow will be a little overwhelmed. Because Boder-radius will shamelessly ignore the transparent part.Scene:1. Translucent image, background image, Border-image2 a dot, dashed, or translucent border, but no background3. Dialog bubbles generated by pseudo-elements4. Chamfer shape5. Chamfer shape6. Diamond ImageTo s

Many of the terrestrial data of the MODIS satellite are sinusoidal projections, and the data is divided into 10*10 (equatorial area) tiles (http://modis-land.gsfc.nasa.gov/MODLAND_ grid.html), the data format is usually the Hdf-eos format, and as the EOS format Meteoinfo can automatically read the data's coordinate information (including projection, etc.).Script Program:f = addfile ('d:/temp/hdf/mod10a1. A2010365.H27V05.005.2011002103013.HDF'snow_albe

Zoom in the current code only the 2D, think about it yourself (╯▽╰) Projection matrix formula: 3D usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingSystem.Text;usingSystem.Threading.Tasks;namespaceconsoleapplication6{ classmatrix3x3 { Public DoubleM11, M12, M13; Public DoubleM21, M22, M23; Public DoubleM31, M32, M33; #regionScaling Public Staticmatrix3x3 Setupscale (floatKx,floatKy,floatKz) {matrix3x3 m=Newmatrix3x3 (); M.

1. In terraexplorer, the message attribute of an object can be embedded into vbs: Dim Itemid Itemid = SGWorld61.ProjectTree.FindItem ("BSD011A") Dim Obx Set Obx = SGWorld61.ProjectTree.GetObject (Itemid) Msgbox Obx.ObjectType Obx.Terrain.Tint.FromHTMLColor("#ff0000") Obx.Terrain.Tint.SetAlpha (0.8) Obx.ToolTip.Text = "456" 2. WKT projection Information Description: PROJCS["XI_AN_1980_3_Deg

// Gaussian projection positive and Inverse Calculation // 6-degree bandwidth 54-year Beijing coordinate system // Gaussian projection by latitude and longitude (unit: dd) returns the geocoordinate (with a number, unit: metres) void gaussprojcal (double longpolling, double latitude, double * X, double * Y) {int projno = 0; int zonewide; /// bandwidth double longitude1, latitude1, longitude0, latitude0, x0,

Http://www.petercollingridge.co.uk/interactive-svg-components/isometric-projection Isometeric projections are commonly used in technical drawings and used to be used in some computer game graphics. in an isometeric projection the three axes appear 120 ° from each other and are equally foreshortened. it can be achieved by rotating an object45 ° in the plane of the screen and ~ 35.3 ° through the horizontal

Address: http://blog.csdn.net/ariesjzj/article/details/8668726 If you need to process a specific target, the input image of the sensor is generally not facing. Therefore, correction is generally required before processing (only external projection correction is involved here ). The official routine contains an example surf_homography.cpp. We will slightly modify it to enable multiple projection correction