A quick fix is to delete the displaylist after drawing them, but the current code suggests that there is a more fundamental problem. Either by applying a cubemap or by applying a 2D texture. I can do those and get those on the screen with GL11. There are lots of threads in the OpenGL forum archives on this. wiki. listID); } all objects are initialized by listID = glGenLists(1) and so on. jabelarminecraft. The following examples show how to use org. Trình duyệt này không còn được hỗ trợ nữa. You can rate examples to help us improve the quality of examples. You get to keep all the points you earn. DESCRIPTION glCallList causes the named display list to be executed. glCallList NAME glCallList-- execute a display list C SPECIFICATION void glCallList(GLuint list) PARAMETERS list Specifies the integer name of the display list to be executed. There is much controversy over the use of these against Vertex Buffer Objects in relation to speed, so I will show you both, starting with display lists in this tutorial. - opengl. I have a model with about 10,000 triangles. This means every "dynamic" code inside the list creation is, well, compiled into the list. Here's the code I used. Instead of a DisplayList, I would like to now use a VBO. The glCallList function can appear inside a display list. 0f, 0. This limit is at least 64, however, it depends on the implementation. Remarks. answered Aug 18. 7. exe: 0xC0000005: access violation writing to location 0x07E00000. glCallList causes the named display list to be executed. I measured the time with a timer class and everything was super fast except the glCallList calls. Display list names are generated by adding base to each offset. glDrawArrays specifies multiple geometric primitives with very few subroutine calls. And next time when I have a chance to render (i. glCallList causes the named display list to be executed. The following function retrieves information related to glListBase: glGet with argument GL_LIST_BASE. 매개변수로 정수를 받으며, 해당 수만큼 리스트 (gl명령어모음) ID를 정수개만큼 만들어 줍니다. Display Lists in OpenGL. In a desire to speed up a voxel renderer I have been writing, I precomputed the scene into a display list. init, reshape, display, display, display. opengl GL11 glCallList. So the problem still remains. For example, you probably use bgnpolygon and endpolygon to draw polygons, and bgnline and endline to draw lines. 当一个显示列表被创建以后，所有的顶点数据和像素数据被复制到位于服务器端的显示列表内存中。. glCallList(BODY); glPopMatrix(); What the f*** is wrong? Could it be that I pushed a matrix and didn’t Pop it again? Wouldn’t that result in a weird output? (Or some elements aren’t translated)? Or is there something that I could have glEnabled / glDisabled??? Thanx in advance, Thomas GahrGL Functions: glGenLists, glCallList, glCallLists, glDeleteLists, glNewList This is a feature provided by GL to allow the application to assign a group of GL commands to a display list. 리스트 ID를 만듭니다. glCallList()方法的具体详情如下： 包路径：org. glCallList causes the named display list to be executed. . OBJFileLoader —. GL_INVALID_VALUE is generated if range is negative. glCallList(handle);}glIsList returns GL_TRUE if list is the name of a display list and returns GL_FALSE otherwise. glDrawArrays specifies multiple geometric primitives with very few subroutine calls. From source file:adrianton. However, swithching from 1 texture to 2 textures caused 90 to 60 framerate drop. created 1 year ago. 924, 0. I think you should be using glew and include: #include <GL/glew. . Q&A for work. GL. Generally, for a set of predetermined OpenGL function calls, creating a Display List and using glCallList to call it will give you performance increases. A shader object is used to maintain the source code strings that define a shader. 0, 0. They will open each Friday at 12:01 PM and close. 3. GL. java","contentType. 4. If you have a hardware OpenGL implementation, then glCallLists might be able to just transfer a few tens of bytes to the hardware in one shot, versus the back-and-forth of many seperate glCallList. These are the top rated real world C++ (Cpp) examples of glutSolidSphere extracted from open source projects. 0); glRotatef (43. 0. 0, time stamp:Description. 즉, glCallList() 함수에 아이디(MyListID)를 넘겨줌으로써 실행된다. NiCo1 February 27, 2008, 7:02am 5. Causes the commands saved in the display list to be executed, in order, just as if they were issued without using a display list. glCallLists(something) to call a bunch of lists with one native call. PyOpenGL - Minimal glDrawArrays Example. glCallList(c3); // etc. renderers. C++ (Cpp) glutSolidSphere - 30 examples found. glCallList(m_itemList); Finally, you have to pop back the matrix stack to retain the original state. I'm trying to add a feature where I can change the transparency of an individual glCallList. Improve this answer. java. 0f, 0. client. java","contentType":"file. 3. cc -L/usr/X11R6/lib/ -lGL -lGLU -lX11. I'm now trying to write a minimal working example that uses vertex arrays and buffers for vertex data. You signed out in another tab or window. init, reshape, display, display, display. Either by: 1) ray-casting against your scene on the [edit:] CPU, or 2) rendering all of your objects to the screen with a unique color per object, doing a glReadPixels of the resulting image, and using that for picking. It additionally loads any referenced material and texture files. (08 Marks) (June/July 2018) 20. If list has not been defined as a display list, glCallList is ignored. 0, 1. opengl. About This Guide; Chapter 1. glTranslatef (3. 8-gles 7. A display list groups a sequence of OpenGL commands and data, so that it can be executed repeatedly after its initial creation, in order to improve the program's performance (more information on display lists with various code examples can be found here). c:23:13: note: each undeclared identifier is reported only once for each function it appears in. That is, if M is the current matrix and T is the matrix passed to glMultMatrix, then M is replaced with M T. OpenGL: Basic Coding. e. glCallList(address) easily enough. One is invoking a Display List, the other is actually drawing some sort of primitive depending on how you've set up your arrays. Description. List and explain different classification of light material interactions. In this article. In the drawEvent function, I draw it as a GL_TRIANGLE_STRIP with 4 glVertex3f. manpages/tcl_startOfNextWord. On Ubuntu and Ubuntu-related distributions, the following command:glCallList(theSquare); glFlush();} int main(int argc, char **argv) {… glutDisplayFunc(display);. 1 Java 17, JDK 8 WIN 10 The below exception does not happen on JDK 11 Exception in thread "main" com. h>. Following the IRIS GL sample is a sample of what the code looks like when ported to OpenGL. BTW drawobjects are typically glCallList, so I dont loose much from compilation. elements. However, swithching from 1 texture to 2 textures caused 90 to 60 framerate drop. (10 Marks) (Dec. Example 12-2 draws a wireframe Bezier surface using evaluators, as shown in Figure 12-2. The subroutines saved in the display list are executed in order, just as if they were called without using a display list. To avoid the possibility of infinite. A 7zip archive for all platforms and all JogAmp modules including JOGL is available, named jogamp-all-platforms. In this page you can find the example usage for org. glWindowPos3 specifies all three coordinates. The commands saved in the display list are executed in order, just as if they were called. 1 Answer. } •voidglCallList (GLuint list); – list: The integer name of the display list to be executed – glCallList causes the named display list to be executed. There are no display lists there and you need to use vertex arrays. The value of the triplet is computed as 65536 times the unsigned value of the. Names that reference valid display lists are executed; others are ignored. glCallList can appear inside a display list. FunctionName. gcc -o animation animation. So when called your box will use whatever. The use of glCallLists are pretty vital to the speed of the. 3) Click the Update button next to the flagged video card to automatically download the correct version of their driver (you can do this with the FREE version). Rather, n specifies how many names are to be taken from lists. Hi. lists is treated as an array of unsigned bytes. The functions saved in the display list. If list has not been defined as a display list, glCallList is ignored. 调用 glCallList 函数开始执行命名的显示列表。 显示列表中保存的函数按顺序执行，就像在不使用显示列表的情况下调用它们一样。 如果 list 尚未定义为显示列表，则忽略 glCallList 。 glCallList 函数可以显示在显示列表中。 为了避免显示列表相互调用导致无. The glListBase function specifies an array of offsets. See the following: [Java] GL. The glCallList subroutine causes the named display list to be executed. GLuint glGenLists (GLsizei range) 새로운 리스트 식별번호를 얻습니다. So it certainly is conceivable that it would be faster. glDeleteLists causes a contiguous group of display lists to be deleted. glCallList() can be called between calls to glNewList() and glEndList() Implication: Display lists can contain other display lists [normally up to a depth of 64; see void glGetIntegerv(GL_MAX_LIST_NESTING, GLint *depth] Common Uses: Shapes that are composed of other shapes (e. The glCallList( ) command takes a single argument, the unique integer ID that you gave a previously defined display list. The function glEnd was called before the corresponding glBegin was called, or glBegin was called within a glBegin/glEnd sequence. A display list is a group of OpenGL functions that has been stored for subsequent execution. If no buffer object with name buffer exists, one is created with that name. It is only one time process. Depending on your system, you may have to change the library path flag -L or add some more library flags like -lstdc++ -lm etc. 728, 2. /* * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. 0f, 0. 1. DESCRIPTION glCallList causes the named display list to be executed. Note that display lists have been deprecated in OpenGL 3. DESCRIPTION glCallList causes the named display list to be executed. 0); I first rotate the model by 43 degrees and then translate it according to the updated local Y direction. OK, to cover the OP's questions in order;- The fastest way would be to break your map up into logical blocks and then use glDrawRangeElements with the correct index list. The commands saved in the display list are executed in order, just as if they were called without using a display list. Suggest declaring a GLuint with an appropriately associated variable name. /models/ --data_folder . DESCRIPTION glCallList causes the named display list to be executed. Check the spec (PDF) (Table 2. Prototype public static native void glCallList(@NativeType("GLuint") int list); Source Link Document Executes a display list. the code looks like this: pygame. C sample program supplied with the Platform SDK. lwjgl. glColor4 variants. Invoking. opengl. You can change the current matrix between calling glCallList, which will cause the object to be rendered in different places. Counting similarly from 1, the GL gives each flat-shaded polygon the computed color of the vertex listed in. Teams. 6A CN201811355759A CN109614094B CN 109614094 B CN109614094 B CN 109614094B CN 201811355759 A CN201811355759 A CN 201811355759A CN 109614094 B CN109614094 B CN 109614094B Authority CN China Prior art keywords glcalllist function port interface unit Prior art date 2018-11-14 Legal. The first parameter, list, is a positive integer that becomes the unique name for the display list. glCallList NAME glCallList-- execute a display list C SPECIFICATION void glCallList(GLuint list) PARAMETERS list Specifies the integer name of the display list to be executed. See (glMatrixMode). can I use glCallList() ? Do I have to manager the Current OpenGL Rendering context myself? wgl… functions? jeff (Jeff LaSor) January 31, 2018, 7:23pm 6. Here's the code I used. This works fine on Windows XP but when the same code is run on Windows 7 all the text is shifted by one place in the ASCII table. glCallList NAME glCallList-- execute a display list C SPECIFICATION void glCallList(GLuint list) PARAMETERS list Specifies the integer name of the display list to be executed. 0, 0. glCallList( JagBodyList ); glPopName(); glPushName( FRONT_LEFT_TIRE ); glPushMatrix(); glTranslatef( ??, ??, ?? ); glCallList( TireList ); glPopMatrix();. So I tried to give the List. I'm now trying to write a minimal working example that uses vertex arrays and buffers for. The memory leak happens because a new displaylist gets created ( glNewList) everytime drawObject is called, but they never get deleted. If you actually wanted to make Q-Bert, you'd change this color whenever Q-Bert jumped on the box. Note that light source is always looking at the center point (0,0,0). glActiveTexture selects which texture unit subsequent texture state calls will affect. 0f, 0. GL. Q&A for work. 어떤것이냐면 glNewList ()와 glEndList ()의 사이에 그리는 함수 루틴이 오게 되며, glCallList ()를 호출했을 때 실행되는것입니다. 0); glTranslatef (-2. 4. With few exceptions, OpenGL functions called between glNewList and glEndList are appended to the display list. To avoid the possibility of infinite recursion resulting from display lists calling one another, a limit is. This limit is at least 64, and it depends on the implementation. /* * Example of a Windows OpenGL. This means every "dynamic" code inside the list creation is, well, compiled into the list. recently I had changed some code that was working, and I removed some that I assumed had nothing to do with the draw function in my program -_- Anyway, I know for a fact that the code section that builds the lists is run and it works, however whenIndicates that a subroutine other than glVertex, glColor, glIndex, glNormal, glTexCoord, glEvalCoord, glEvalPoint, glMaterial, glEdgeFlag, glCallList, or glCallLists subroutine is called between glBegin and the corresponding glEnd. CN109614094B CN201811355759. 4. glCallList causes the named display list to be executed. 0); glRotatef (43. (2006) and Splatting Illuminated Ellipsoids with Depth Correction by Gumhold (2003) show how to do this. With glDrawArrays, OpenGL pulls data from the enabled arrays in order, vertex 0, then vertex 1, then vertex 2, and so on. @brianp for awareness. You switched accounts on another tab or window. argv The program's. 여기서는 디스플레이 리스트를 사용하기 위해서 이 명령들을 떼어서 . Display lists were removed, because with opengl 3+ all vertex, texture and lighting data are stored on the graphics card, in what is called retained mode rendering (the data is retained, allowing you to send a single command to the card to draw a mesh, rather than sending vertex data to the card every frame). The commands saved in the display list are executed in order, just as if they were called without using a display list. void EndList ( void );1. As per the documentation, glGenLists returns the first list name in a range of the length you pass to glGenLists. To avoid the possibility of infinite recursion resulting from display lists. glCallList not working. 0, 3. Hi, I create display lists first. The glCallList and glCallLists functions can be entered into display lists. glCallList (list); call seems to have no effect. jogamp. 100 * 10,000 is 1,000,000 triangles. So I have a bunch of addresses for my display lists. DESCRIPTION glCallList causes the named display list to be executed. c++; glCallList causes the named display list to be executed. glCallList(buttonList); //Get the red color, thus finding the ID GLubyte tempColor; glReadPixels(X, Y, 1, 1, GL_RED, GL_UNSIGNED_BYTE, &tempColor); Right now, I’m printing the tempColor to the screen for debugging purposes. When x, y, and z are specified, w defaults to 1. glCallList(3) glCallList(3) NAME glCallList - execute a display list C SPECIFICATION void glCallList( GLuint list) PARAMETERS list Specifies the integer name of the display list to be executed. yakusoku. Remarks. How can I go about converting this code? Thanks in advance. A display list is just a group of commands and arguments, so errors generated by commands in a display list must be generated when the list is. 0, 1. Improve this answer. In short, that's because OpenGL libraries under Win32 may produce (under valid circumstances) some. You can pass either a filename, a Python file-like object, or a pathlib. 이 튜토리얼에서, 디스플레이 리스트를 그리기 전에, 모델 매트릭스를 변경하고 다른 위치에 오브넥트를 그려야 한다. This technique, which will be explained furtherDisplay list is a group of OpenGL commands that have been stored (compiled) for later execution. There are 2 ways to texture a sphere. You may check out the related API usage on the sidebar. org. y. 1, 5000) glTranslatef (0, 0, -1000) # this is the view distance i want from map 1 while True: ##### i use this function to zoom in and out with mouse Wheel ##### also the zoom. The commands saved in the display list are executed in order, just as if they were called. com 1 ArgusCore™ SC1 OpenGL® SC 1. Then in the body of the program, after the glutInit, a value needs to be assigned to the global. 728, 2. glListBase为 glcallList 设定显示列表的基础. The y coordinate of a translation vector. Q&A for work. The papers GPU-Based Ray-Casting of Quadratic Surfaces by Sigg et al. Either by applying a cubemap or by applying a 2D texture. Texturing maps a portion of a specified texture image onto each graphical primitive for which texturing is enabled. glGetError() returns 0, glIsList(objs . I am currently trying to program Pacman in C++ using OpenGL. An implementation may vary its allocation of internal component resolution based on any glRenderbufferStorage parameter (except. glCallList can appear inside a display list. Description. The primary purpose they originally served was to "record" sequences of commands that would setup state / data persistently in lieu of modern OpenGL's state/data objects (e. This seems like a super small model (as things are usually measured in million of polygons / second, right?), so I. ceglprogs - ~alon/mesa - Unnamed repository; edit this file to name it for gitweb. Connect and share knowledge within a single location that is structured and easy to search. microsoft. This limit is at least 64, and it depends on the implementation. Usage. GL11#glCallList() . Though when we compile the same dll using GCC using wx-dev-cpp GCC appends the number of paramers the function has, so the name of the function using Dependency walker looks like. h is included) and this doesn’t work either. i have tried to run glClear (GL_COLOR_BUFFER_BIT); but it returned me this error, my program kept running and working, but seems that it wont. As a result, the commands saved in each display list are executed in order, just as if they were called without using a display list. DESCRIPTION glCallList causes the named display list to be executed. The glTranslatef function multiplies the current matrix by a translation matrix. . I'am getting error: Faulting application name: main. glCallList execute a display list Signature. I have followed the steps to install all environments then I run python smplifyx/main. I was wondering if someone could hint to me what I am doing wrong? This is my global variable GLuint. This will set the top of the current matrix stack to the identity matrix, I. This seems like a super small model (as things are usually measured in million of polygons / second, right?), so I don't know what the problem is. Description. To avoid the possibility of infinite recursion resulting from display lists calling one another, a limit is placed on the nesting level of display lists during display-list execution. Even then, that will answer the question for your system, not necessarily any other system. I then changed this so that the display list called glutSolidCube(2) (and yes, glut. 本发明涉及一种基于SystemC的面向GPU硬件的glCallList TLM模型，包括：显示列表存储单元、DMA控制单元、CallListFIFO缓冲单元. . I've seen many minimal PyOpenGL examples, but none of the ones I've found make use of VAOs or glDrawArrays / glDrawElements. This topic gives an IRIS GL sample of code that defines three display lists; one of the display lists refers to the others in its definition. g. display. 0); glEnableClientState (GL_VERTEX_ARRAY. When you create an OpenGL rendering context, it has its own display-list space. All subsequent commands are placed in the display list, in the order issued, until glEndList is called. When you call a function, the code inside the function is executed by the Python interpreter. GLFW3 with OpenMP segfaults on glCallList (amongst other places in glfw) I've got a problem with some code that is supposed to use both glfw3 and OpenMP (using g++ 5. To get the whole program, add the reshape () and main () routines from Example 12-1. Instead of calling a GL function to pass each individual vertex, normal, texture coordinate, edge flag, or color, you can prespecify separate arrays of vertices, normals, and so on, and use them to construct a sequence of primitives with a single. The x coordinate of a translation vector. glListBase(listBase) gl. Razor. The glCallList function executes a display list. See full list on learn. I have a model with about 10,000 triangles. I then changed this so that the display list called glutSolidCube(2) (and yes, glut. If list has not been defined as a display list, glCallList is ignored. . The purpose of glDeleteLists is to say, “I’m finished with this display list and will never use it again. 0. The glCallList function executes a display list. glCallList(modelList); // Execute display list. glMap1d,glMap1f定义一个一. glCallList NAME glCallList-- execute a display list C SPECIFICATION void glCallList(GLuint list) PARAMETERS list Specifies the integer name of the display list to be executed. TypeError: ‘nonetype’ object is not callable. {"payload":{"allShortcutsEnabled":false,"fileTree":{"src/Scene/skybox":{"items":[{"name":"Skybox. everything works fine on osx and linux but on windows the programm crashes at glCallList. . java","path":"src/tasks/AccumulationBuffer. If you pass a raw file-like object, you. Si la lista no se ha definido como una lista para mostrar, se omite glCallList . The following examples show how to use org. Nothing shows up on the screen at all. commands. While using glCallList: Without using glCallList: Rendering the display list:1) Download and install Driver Easy. Display lists are a cached version of a set of OpenGL calls, which can be called again and again, at quicker framerates than writing the code over and over again. Write, Run & Share C Language code online using OneCompiler's C online compiler for free. GuiScrollBarSimple. 0, 0. glCallList NAME glCallList-- execute a display list C SPECIFICATION void glCallList(GLuint list) PARAMETERS list Specifies the integer name of the display list to be executed. My 1st time trying to use PyO. Description. Add a comment. 일반적으로 MyDisplay() 함수 내부에 선언되던 것들이다. glGenBuffers returns n buffer object names in buffers. set_mode (display, DOUBLEBUF | OPENGL) gluPerspective (50, (display [0] / display [1]), 0. Vertex Buffer Object (VBO) • Motivation – Combine the benefits of vertex array and display list, shredding off their disadvantages – Vertex array is a client (CPU) side implementation The function glDrawElements is similar to glDrawArrays, but it is designed for use with data in a format similar to an indexed face set. Bài viết tiếp theo này. glLoadIdentity (); // C = I. glCallList ( 0 VBO, 0 UBO, 0 ) w/ 1 and 2 attribs intermixed 3313 3840 16% glCallList ( 0 VBO, 0 UBO, 0 ) w/ 1 attrib + 1 zero-stride 19951 18906 -5% Zero-stride attribs are not supported by this interface at this point Merge request reports Assignee Select assignee. NossC October 27, 2009, 8:53am 1. Display lists were removed, because with opengl 3+ all vertex, texture and lighting data are stored on the graphics card, in what is called retained mode rendering (the data is retained, allowing you to send a single command to the card to draw a mesh, rather than sending vertex data to the card every frame). GLUT is much more easier, while many of people use SDL or SFML (they're more flexible and feature-full than GLUT). void glCallList (GLuint list); This routine executes the display list specified by. /* * Example of an X. . Teams. You can rate examples to help us improve the quality of examples. Kỹ thuật về texture có thể nói là đa. Description. Parameters. Also, it is acceptable to use glCallList or glCallLists to execute display lists that include only the preceding commands. There will be 7 projects, 10 quizzes (weeks 0-8, 10), and two tests. The problem is, the data files are so big that I generate the glCallList and then have to delete the actual data I read from. Scores will be posted through Canvas. net is your resource for game development with forums, tutorials, blogs, projects, portfolios, news, and more. It slims down the rather large OpenGL API to the bare essentials, so that it can be implemented on devices with simpler, cheaper hardware, and above all, low enough power requirements to run on batteries. 2. cpp file that the header file refers to and the main file, all with include guards. The present invention relates to a kind of glCallList TLM model towards GPU hardware based on SystemC, comprising: display list storage unit, CallListFIFO buffer cell, calls control unit and nested table unit at DMA control unit；Wherein, display list storage unit is for storing display list information；It calls control unit to be used to handle input order. 显示列表(glCallList) 每个glVertex调用都与GPU进行一次通信，显示列表是收集好所有的顶点，一次性的发送给GPU。缺点是在绘制之前就要把要传给GPU的顶点准备好，传后就不能修改了。Whenever I draw my display list my slick util text wont render properly. The thing is, In my init function I enable the vertex array, then define a glNewList and at the end I disable the vertex array. glCallList 和 glCallLists 函数可以输入到显示列表中。 显示列表中或 由 glCallList 或 glCallLists 执行的列表中的命令不包括在所创建的显示列表中，即使列表创建模式GL_COMPILE_AND_EXECUTE也是如此。 以下函数检索 与 glNewList 相关的信息： 带参数GL_MATRIX_MODE的 glGet. This list is remembered by the graphics card and the application only has to call the list once to get the gpu to rerun all of the assigned commands. When you create an OpenGL rendering context, it has its own display-list space. I got the hardcoded translation vector by taking the vector [0 4 0 0] and rotating it. Hey there, I can't help you with all your questions, but here's a few things I do know:- glCallList & glDrawArrays are doing very different things. Saved searches Use saved searches to filter your results more quicklyOpenGL and OpenGL ES reference page sources, and generated HTML used as backing store for khronos. dll) in forespend. If you have a hardware OpenGL implementation, then glCallLists might be able to just transfer a few tens of bytes to the hardware in one shot, versus the back-and-forth of many seperate glCallList. Between the GL commands you inject between glNewList() and glEndList() and the work that gets executed when you call glCallList() is a lot of GL driver CPU-side voodoo. This means that the usable display list names are its return value and its return value + (param - 1). 리스트 ID를 만듭니다. void SceneObject::setupMaterials () { glDisable ( GL_TEXTURE_2D ); //glColor3f ( dbgColor [0], dbgColor [1], dbgColor [2. h> and call glewInit (); after a OpenGL context has been created and/or activated (glXMakeCurrent, glutCreateWindow, etc. Thus, for example, GL type int is referred to as GLint outside this document, and is not. Calling glBindBuffer with target set to one of the accepted symbolic constants and buffer set to the name of a buffer object binds that buffer object name to the target. Learn more about Teamserror: undefined symbol: glCallList (referenced by top-level compiled C/C++ code) warning: _glCallList may need to be added to EXPORTED_FUNCTIONS if it arrives from a system library error: undefined symbol: gluBuild2DMipmaps (referenced by top-level compiled C/C++ code)When I play games, sometimes screen froze then turn black and game turn off, after that screen kind like flick. This is an OpenGL+MFC 3D graphics application written in Visual C++ and it was working until VS2013. 0, 0. You want to apply a map of the earth to a sphere.