kata1970

03-07-2006, 03:38 AM

Greetings. I have one difficulty.

I need to create type of a landscape (or a map of heights - to whom as to like). At me from a file of data coordinates of points are loaded.

I know, that for this problem it is possible to use gluNurbsSurface or glMap2f (glEvalMesh2) objects. All like good and a landscape normal

it is created - a smooth surface and so on. But there is one problem, killing all my achievements. There are restrictions on number of data points. For glMap2f it is 30 (glGetIntegerv (GL_MAX_EVAL_ORDER,

*nstep)), and for gluNurbsSurface the order 20. That is I am real can to build a surface, if number of initial points of data of the order 30*30 for the first case and 20*20 for the second. There are assumptions, I hope that

it is not right, that this restriction by these means to bypass is impossible. But I

i do not wish to build pieces, to divide initial data into squares - checked, but there are other problems with quality and speed of a conclusion.

May be it is possible this restriction to overcome. If is not present, similar it is necessary to build meshes by hands. Then prompt as them correctly to build.

P.S. I don't need use any other programs like photoshop or 3dmax for creating terrain. It is important!!!

I need to create type of a landscape (or a map of heights - to whom as to like). At me from a file of data coordinates of points are loaded.

I know, that for this problem it is possible to use gluNurbsSurface or glMap2f (glEvalMesh2) objects. All like good and a landscape normal

it is created - a smooth surface and so on. But there is one problem, killing all my achievements. There are restrictions on number of data points. For glMap2f it is 30 (glGetIntegerv (GL_MAX_EVAL_ORDER,

*nstep)), and for gluNurbsSurface the order 20. That is I am real can to build a surface, if number of initial points of data of the order 30*30 for the first case and 20*20 for the second. There are assumptions, I hope that

it is not right, that this restriction by these means to bypass is impossible. But I

i do not wish to build pieces, to divide initial data into squares - checked, but there are other problems with quality and speed of a conclusion.

May be it is possible this restriction to overcome. If is not present, similar it is necessary to build meshes by hands. Then prompt as them correctly to build.

P.S. I don't need use any other programs like photoshop or 3dmax for creating terrain. It is important!!!