| 1 | #ifdef HAVE_CONFIG_H |
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| 2 | # include "config.h" |
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| 3 | #endif |
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| 4 | |
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| 5 | #ifdef HAVE_STDLIB_H |
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| 6 | # include <stdlib.h> |
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| 7 | #endif |
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| 8 | #ifdef HAVE_GL_GL_H |
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| 9 | # include <GL/gl.h> |
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| 10 | #elif HAVE_OPENGL_GL_H |
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| 11 | # include <OpenGL/gl.h> |
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| 12 | #endif |
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| 13 | #ifdef HAVE_GL_GLU_H |
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| 14 | # include <GL/glu.h> |
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| 15 | #elif HAVE_OPENGL_GLU_H |
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| 16 | # include <OpenGL/glu.h> |
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| 17 | #endif |
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| 18 | #include <netcdf.h> |
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| 19 | #include <SDL.h> |
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| 20 | #include "error.h" |
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| 21 | #include "globals.h" |
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| 22 | #include "init.h" |
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| 23 | #include "netcdf_util.h" |
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| 24 | #include "xfunctions.h" |
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| 25 | |
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| 26 | int AnugaVis_Init(int width, int height, const char *swwFilePath){ |
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| 27 | int ncstatus; |
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| 28 | GLfloat lightAmbient[] = {0.0, 0.0, 0.0, 1.0}; |
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| 29 | GLfloat lightDiffuse[] = {1.0, 1.0, 1.0, 1.0}; |
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| 30 | anugavis.current_frame = 0; |
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| 31 | anugavis.paused = 0; |
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| 32 | anugavis.x = NULL; |
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| 33 | anugavis.y = NULL; |
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| 34 | anugavis.volumes = NULL; |
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| 35 | |
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| 36 | anugavis.pitch = 0.0; |
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| 37 | anugavis.yaw = 0.0; |
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| 38 | anugavis.track = 0.0; |
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| 39 | anugavis.strafe = 0.0; |
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| 40 | /* FIXME derive this from the dataset? */ |
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| 41 | anugavis.eye[0] = 1.0; |
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| 42 | anugavis.eye[1] = 1.0; |
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| 43 | anugavis.eye[2] = 40.0; |
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| 44 | anugavis.focus[0] = 0.0; |
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| 45 | anugavis.focus[1] = 0.0; |
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| 46 | anugavis.focus[2] = 0.0; |
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| 47 | anugavis.heights = NULL; |
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| 48 | if((SDL_Init(SDL_INIT_VIDEO) == -1) || |
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| 49 | (SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5) == -1) || |
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| 50 | (SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5) == -1) || |
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| 51 | (SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5) == -1) || |
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| 52 | (SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16) == -1) || |
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| 53 | (SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1) == -1) || |
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| 54 | ((anugavis.screen = |
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| 55 | SDL_SetVideoMode(width, height, 16, SDL_OPENGL)) == NULL)){ |
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| 56 | AnugaVis_SDLError(); |
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| 57 | return -1; |
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| 58 | } |
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| 59 | |
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| 60 | SDL_WM_SetCaption("ANUGA Visualiser", "ANUGA Visualiser"); |
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| 61 | glEnable(GL_DEPTH_TEST); |
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| 62 | glShadeModel(GL_FLAT); |
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| 63 | glEnable(GL_NORMALIZE); |
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| 64 | glMatrixMode(GL_PROJECTION); |
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| 65 | gluPerspective(45.0, ((GLdouble)width)/((GLdouble)height), 0.1, 1000); |
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| 66 | glMatrixMode(GL_MODELVIEW); |
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| 67 | glLoadIdentity(); |
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| 68 | glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE); |
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| 69 | glEnable(GL_COLOR_MATERIAL); |
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| 70 | glEnable(GL_LIGHTING); |
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| 71 | glEnable(GL_LIGHT0); |
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| 72 | glLightfv(GL_LIGHT0, GL_AMBIENT, lightAmbient); |
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| 73 | glLightfv(GL_LIGHT0, GL_DIFFUSE, lightDiffuse); |
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| 74 | |
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| 75 | if((ncstatus = nc_open(swwFilePath, NC_SHARE, |
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| 76 | &anugavis.netcdfId)) != NC_NOERR){ |
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| 77 | SDL_Quit(); |
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| 78 | return -1; |
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| 79 | } |
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| 80 | |
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| 81 | if((nc_inq_dimlen_by_name(anugavis.netcdfId, "number_of_points", |
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| 82 | &anugavis.number_of_points) != NC_NOERR) || |
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| 83 | (nc_inq_dimlen_by_name(anugavis.netcdfId, "number_of_vertices", |
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| 84 | &anugavis.number_of_vertices) != NC_NOERR) || |
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| 85 | (nc_inq_dimlen_by_name(anugavis.netcdfId, "number_of_volumes", |
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| 86 | &anugavis.number_of_volumes) != NC_NOERR) || |
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| 87 | (nc_inq_dimlen_by_name(anugavis.netcdfId, "number_of_timesteps", |
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| 88 | &anugavis.number_of_timesteps) != NC_NOERR) || |
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| 89 | ((anugavis.x = xmalloc(sizeof(float) * anugavis.number_of_points, |
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| 90 | "AnugaVis_Init()")) == NULL) || |
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| 91 | ((anugavis.y = xmalloc(sizeof(float) * anugavis.number_of_points, |
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| 92 | "AnugaVis_Init()")) == NULL) || |
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| 93 | ((anugavis.volumes = xmalloc(sizeof(int) |
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| 94 | * anugavis.number_of_volumes |
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| 95 | * anugavis.number_of_vertices, |
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| 96 | "AnugaVis_Init()")) == NULL) || |
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| 97 | (nc_get_var_float_by_name(anugavis.netcdfId, "x", |
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| 98 | anugavis.x) != NC_NOERR) || |
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| 99 | (nc_get_var_float_by_name(anugavis.netcdfId, "y", |
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| 100 | anugavis.y) != NC_NOERR) || |
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| 101 | (nc_get_var_int_by_name(anugavis.netcdfId, "volumes", |
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| 102 | anugavis.volumes) != NC_NOERR)){ |
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| 103 | AnugaVis_DeInit(); |
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| 104 | return -1; |
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| 105 | } |
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| 106 | return 0; |
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| 107 | } |
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| 108 | |
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| 109 | void AnugaVis_DeInit(void){ |
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| 110 | while(anugavis.heights != NULL) |
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| 111 | AnugaVis_UndefineHeightQuantity(anugavis.heights->name); |
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| 112 | nc_close(anugavis.netcdfId); |
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| 113 | if(anugavis.x != NULL) free(anugavis.x); |
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| 114 | if(anugavis.y != NULL) free(anugavis.y); |
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| 115 | if(anugavis.volumes != NULL) free(anugavis.volumes); |
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| 116 | SDL_Quit(); |
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| 117 | } |
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