| 1 | #ifdef HAVE_CONFIG_H |
|---|
| 2 | # include "config.h" |
|---|
| 3 | #endif |
|---|
| 4 | |
|---|
| 5 | #ifdef HAVE_STDLIB_H |
|---|
| 6 | # include <stdlib.h> |
|---|
| 7 | #endif |
|---|
| 8 | #ifdef HAVE_GL_GL_H |
|---|
| 9 | # include <GL/gl.h> |
|---|
| 10 | #elif HAVE_OPENGL_GL_H |
|---|
| 11 | # include <OpenGL/gl.h> |
|---|
| 12 | #endif |
|---|
| 13 | #ifdef HAVE_GL_GLU_H |
|---|
| 14 | # include <GL/glu.h> |
|---|
| 15 | #elif HAVE_OPENGL_GLU_H |
|---|
| 16 | # include <OpenGL/glu.h> |
|---|
| 17 | #endif |
|---|
| 18 | #include <netcdf.h> |
|---|
| 19 | #include <SDL.h> |
|---|
| 20 | #include "error.h" |
|---|
| 21 | #include "globals.h" |
|---|
| 22 | #include "netcdf_util.h" |
|---|
| 23 | #include "xmalloc.h" |
|---|
| 24 | |
|---|
| 25 | int AnugaVis_Init(int width, int height, const char *swwFilePath){ |
|---|
| 26 | int ncstatus; |
|---|
| 27 | int ncdimid; |
|---|
| 28 | int ncvarid; |
|---|
| 29 | anugavis.x = NULL; |
|---|
| 30 | anugavis.y = NULL; |
|---|
| 31 | anugavis.volumes = NULL; |
|---|
| 32 | anugavis.heights = NULL; |
|---|
| 33 | if((SDL_Init(SDL_INIT_VIDEO) == -1) || |
|---|
| 34 | (SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5) == -1) || |
|---|
| 35 | (SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5) == -1) || |
|---|
| 36 | (SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5) == -1) || |
|---|
| 37 | (SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16) == -1) || |
|---|
| 38 | (SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1) == -1) || |
|---|
| 39 | ((anugavis.screen = |
|---|
| 40 | SDL_SetVideoMode(width, height, 16, SDL_OPENGL)) == NULL)){ |
|---|
| 41 | AnugaVis_SDLError(); |
|---|
| 42 | return -1; |
|---|
| 43 | } |
|---|
| 44 | |
|---|
| 45 | glEnable(GL_DEPTH_TEST); |
|---|
| 46 | glShadeModel(GL_FLAT); |
|---|
| 47 | glEnable(GL_NORMALIZE); |
|---|
| 48 | glMatrixMode(GL_PROJECTION); |
|---|
| 49 | gluPerspective(45.0, ((GLdouble)width)/((GLdouble)height), 0.1, 1000); |
|---|
| 50 | glMatrixMode(GL_MODELVIEW); |
|---|
| 51 | glLoadIdentity(); |
|---|
| 52 | |
|---|
| 53 | if((ncstatus = nc_open(swwFilePath, NC_SHARE, |
|---|
| 54 | &anugavis.netcdfId)) != NC_NOERR){ |
|---|
| 55 | SDL_Quit(); |
|---|
| 56 | return -1; |
|---|
| 57 | } |
|---|
| 58 | |
|---|
| 59 | if((nc_inq_dimlen_by_name(anugavis.netcdfId, "number_of_points", |
|---|
| 60 | &anugavis.number_of_points) != NC_NOERR) || |
|---|
| 61 | (nc_inq_dimlen_by_name(anugavis.netcdfId, "number_of_vertices", |
|---|
| 62 | &anugavis.number_of_vertices) != NC_NOERR) || |
|---|
| 63 | (nc_inq_dimlen_by_name(anugavis.netcdfId, "number_of_volumes", |
|---|
| 64 | &anugavis.number_of_volumes) != NC_NOERR) || |
|---|
| 65 | ((anugavis.x = xmalloc(sizeof(float) * anugavis.number_of_points, |
|---|
| 66 | "AnugaVis_Init()")) == NULL) || |
|---|
| 67 | ((anugavis.y = xmalloc(sizeof(float) * anugavis.number_of_points, |
|---|
| 68 | "AnugaVis_Init()")) == NULL) || |
|---|
| 69 | ((anugavis.volumes = xmalloc(sizeof(int) |
|---|
| 70 | * anugavis.number_of_volumes |
|---|
| 71 | * anugavis.number_of_vertices, |
|---|
| 72 | "AnugaVis_Init()")) == NULL) || |
|---|
| 73 | (nc_get_var_float_by_name(anugavis.netcdfId, "x", |
|---|
| 74 | anugavis.x) != NC_NOERR) || |
|---|
| 75 | (nc_get_var_float_by_name(anugavis.netcdfId, "y", |
|---|
| 76 | anugavis.y) != NC_NOERR) || |
|---|
| 77 | (nc_get_var_int_by_name(anugavis.netcdfId, "volumes", |
|---|
| 78 | anugavis.volumes) != NC_NOERR)){ |
|---|
| 79 | nc_close(anugavis.netcdfId); |
|---|
| 80 | if(anugavis.x != NULL) free(anugavis.x); |
|---|
| 81 | if(anugavis.y != NULL) free(anugavis.y); |
|---|
| 82 | if(anugavis.volumes != NULL) free(anugavis.volumes); |
|---|
| 83 | SDL_Quit(); |
|---|
| 84 | return -1; |
|---|
| 85 | } |
|---|
| 86 | return 0; |
|---|
| 87 | } |
|---|
| 88 | |
|---|
| 89 | void AnugaVis_DeInit(void){ |
|---|
| 90 | while(anugavis.heights != NULL) |
|---|
| 91 | AnugaVis_UndefineHeightQuantity(anugavis.heights->name); |
|---|
| 92 | nc_close(anugavis.netcdfId); |
|---|
| 93 | free(anugavis.x); |
|---|
| 94 | free(anugavis.y); |
|---|
| 95 | free(anugavis.volumes); |
|---|
| 96 | SDL_Quit(); |
|---|
| 97 | } |
|---|
