/* * Copyright (C) 2003, R3vis Corporation. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA, * or visit http://www.gnu.org/copyleft/gpl.html. * * Contributor(s): * Wes Bethel, R3vis Corporation, Marin County, California * * The OpenRM project is located at http://openrm.sourceforge.net/. */ /* * $Id: fpsVis3d.c,v 1.7 2004/01/17 03:15:26 wes Exp $ * $Revision: 1.7 $ * $Name: OpenRM-1-5-2-RC1 $ * $Log: fpsVis3d.c,v $ * Revision 1.7 2004/01/17 03:15:26 wes * Updated API call to compute time difference. * * Revision 1.6 2003/12/01 02:16:54 wes * Removed debug/dev code, use straight up OpenRM routines to do * constant-rate rendering. * * Revision 1.5 2003/11/16 16:22:14 wes * Added code to implement (by brute force using rmTime* calls) constant * frame rate rendering. * * Revision 1.4 2003/11/05 15:41:57 wes * Minor revision control changes. * * Revision 1.2 2003/10/15 06:00:37 wes * Fix some compile warnings. * * Revision 1.1 2003/10/15 05:50:50 wes * Initial entry. * */ #include <rm/rm.h> #include <rm/rmaux.h> #include <rm/rmv.h> #include "libdio.h" #include "procmode.h" static char MyRootName[]={"MyRoot"}; static RMnode *MyRoot; int img_width=400,img_height=300; char datafilename[256]={"data/func10.dio"}; dioDataObject *mydataobj=NULL; int do_color=0; int doAutoNormalize=1; int flipNormalsBool = RM_FALSE; RMtime startTime, endTime; static int firstFrame=1; static int frameNumber=0; /* constant frame rate control stuff */ static int frameRate= -1; static float msecPerFrame= -1.0; static float lastElapsed; void usage(char *av[]) { char buf[512]; sprintf(buf," usage: %s [-i datafilename (defaults to data/func10.dio) [-w img_width] [-h img_height] [-c (use default vis colormap to 'colorize' the plot') [-noauto (turn off autonormalization of mesh surface generated by vis technique )] [-flip (flip the auto-computed surface normals, default is to not flip normals)] [-fr N (says to limit rendering to N frames per second. Default is no frame-rate limiting)\n",av[0]); #ifdef RM_WIN MessageBox(NULL,buf,"vis3d",MB_OK); #else rmError(buf); #endif } void parse_args(int ac, char *av[]) { int i; i = 1; while (i < ac) { if (strcmp(av[i],"-w") == 0) { i++; sscanf(av[i],"%d",&img_width); } else if (strcmp(av[i],"-h") == 0) { i++; sscanf(av[i],"%d",&img_height); } else if (strcmp(av[i],"-i") == 0) { i++; strcpy(datafilename,av[i]); } else if (strcmp(av[i],"-c") == 0) { do_color=1; } else if (strcmp(av[i],"-noauto") == 0) { fprintf(stderr," turning off autonormalization of surface normals when using visualization technique #1. \n"); doAutoNormalize = 0; } else if (strcmp(av[i],"-flip") == 0) { fprintf(stderr," will flip the auto-generated surface normals. \n"); flipNormalsBool = RM_TRUE; } else if (strcmp(av[i],"-fr") == 0) { i++; ac--; sscanf(av[i],"%d",&frameRate); /* * frameRate gives frames/sec. compute msec/frame */ if (frameRate == 0) { fprintf(stderr," error: a framerate of zero fps (via -fr 0) is not practicable. \n"); exit(-1); } msecPerFrame = (float)1000.0/(float)frameRate; fprintf(stderr," computed frame time = %g ms \n", msecPerFrame); } else { usage(av); exit(-1); } i++; } } void my_read_data(char *datafilename) { mydataobj = dioReadDataObject(datafilename); if (mydataobj == NULL) { fprintf(stderr," error reading input data file. exiting. \n"); exit(-1); } dioObjectConditioner(mydataobj); } void my_set_scene(RMnode *camNode, int stereo_format) { RMcolor4D bgcolor={0.2,0.2,0.3,1.0}; RMcamera3D *c=rmCamera3DNew(); rmDefaultCamera3D(c); /* assign it some default values. */ /* adjust default view so all geom is visible */ rmCamera3DComputeViewFromGeometry(c,MyRoot, img_width, img_height); /* * uncomment the following line to get orthographic projection */ /* rmCamera3DSetProjection(c,RM_PROJECTION_ORTHOGRAPHIC); */ if (stereo_format != RM_MONO_CHANNEL) { rmCamera3DSetStereo(c,RM_TRUE); rmCamera3DSetEyeSeparation(c,2.5F); rmCamera3DSetFocalDistance (c,0.707F); } rmNodeSetSceneCamera3D(camNode,c); rmNodeSetSceneBackgroundColor(MyRoot,&bgcolor); rmCamera3DDelete(c); /* use RM's default lighting model */ /* * adding the lights to the root node, but then affecting transformations * one level down has the effect of making the lights (directions, * position, etc.) immune from interactive transformations. in * other words, the lights stay at a fixed point in space regardless * of the orientation of the objects in the scene. */ rmDefaultLighting(camNode); } /* * the following two routines are the interface between the RMV * vis tools and the local data model. RMV wants us to supply routines * which will tell the vis tool what the (x,y,z) point is at some grid * location, and what the data point is at some grid location. * * the local data model is very simple, so we can make simplifying * assumptions resulting in very terse routines. */ RMvertex3D mygridfunc_u(int i) { /* * tell RMV what this grid (x,y,z) point is at location "i". we assume * a one-d grid of (x,y,z) points in the local data model. */ RMvertex3D temp3d; temp3d.x = mydataobj->xcoords[i]; temp3d.y = mydataobj->ycoords[i]; temp3d.z = mydataobj->zcoords[i]; return(temp3d); } RMvertex3D mygridfunc_uv(int i, int j) { /* * tell RMV what this grid (x,y,z) point is at location (i,j). * we assume the data model is sufficiently intelligent to know * it's own dimensions, and is capable of dealing with a two-dimensional * indexing system. * * we assume that the "i" index maps to width, and that "j" * maps to height in the local data model. */ RMvertex3D temp3d; int indx; /* indx = mydataobj->width * j + i; */ indx = mydataobj->dims[0] * j + i; temp3d.x = mydataobj->xcoords[indx]; temp3d.y = mydataobj->ycoords[indx]; temp3d.z = mydataobj->zcoords[indx]; return(temp3d); } float mydatafunc_u(int i) { /* * tell RMV what the data value is at grid location "i". we * assume a one-d grid. */ return(mydataobj->rawdata[i]); } float mydatafunc_uv(int i, int j) { /* * tell RMV what the data value is at grid location (i,j). we * assume a one-d grid. */ int indx; indx = mydataobj->dims[0] * j + i; return(mydataobj->rawdata[indx]); } void my_build_objs(void) { /* MyRoot = rmNodeNew(MyRootName,RM_RENDERPASS_ALL, RM_RENDERPASS_ALL); */ MyRoot = rmNodeNew(MyRootName,RM_RENDERPASS_3D, RM_RENDERPASS_OPAQUE); rmNodeAddChild(rmRootNode(),MyRoot); /* do the visualization.. */ { RMnode *visnode; int offset_flag; float *xcoords,*ycoords,*zcoords, *data,*data2; int usize,vsize; float zeroval=0.0; float shrink = 0.8; RMvisMap *vmap=NULL; /* we assume that one and only one of w,h,d is equal to 1 */ if (mydataobj->height == 1) { /* width & depth are != 1, so offset from the y axis */ offset_flag = RMV_YAXIS_OFFSET; usize = mydataobj->width; vsize = mydataobj->depth; } else if (mydataobj->width == 1) { /* height & depth are != 1, so offset from the X axis */ offset_flag = RMV_XAXIS_OFFSET; usize = mydataobj->height; vsize = mydataobj->depth; } else /* assume depth==1, offset from z axis */ { offset_flag = RMV_ZAXIS_OFFSET; usize = mydataobj->width; vsize = mydataobj->height; } if (do_color) { vmap = rmDefaultVismap(); rmVismapSetTfMin(vmap,mydataobj->datamin); rmVismapSetTfMax(vmap,mydataobj->datamax); data2 = mydataobj->rawdata; } visnode = rmNodeNew("vis", RM_RENDERPASS_3D, RM_RENDERPASS_OPAQUE); xcoords = mydataobj->xcoords; ycoords = mydataobj->ycoords; zcoords = mydataobj->zcoords; data = mydataobj->rawdata; rmvJ3MeshSurface(mygridfunc_uv, mydatafunc_uv, (vmap == NULL) ? NULL : mydatafunc_uv, vmap, offset_flag, usize,vsize, flipNormalsBool, visnode); if (doAutoNormalize == 1) rmNodeSetNormalizeNormals(visnode, RM_TRUE); else rmNodeSetNormalizeNormals(visnode, RM_FALSE); rmNodeAddChild(MyRoot,visnode); rmNodeComputeBoundingBox(visnode); rmNodeUnionAllBoxes(MyRoot); rmNodeComputeCenterFromBoundingBox(MyRoot); if (vmap != NULL) rmVismapDelete(vmap); } } void myinitfunc(RMpipe *p, RMnode *n) { my_read_data(datafilename); my_build_objs(); my_set_scene(rmRootNode(), rmPipeGetChannelFormat(p)); rmauxSetGeomTransform(MyRoot, p); rmauxSetSpinEnable(RM_TRUE); rmauxSetCamera3DTransform(rmRootNode(), p); /* * set handler to reset aspect ratio when the window is resized. */ rmauxSetResizeFunc(p, rmRootNode(), rmauxDefaultResizeFunc); rmStatsComputeDemography(rmRootNode()); if (rmPipeProcessingModeIsMultithreaded(p) == RM_TRUE) rmFrame(p, rmRootNode()); rmFrame(p, rmRootNode()); } void myrenderfunc(RMpipe *p, RMnode *n) { if (firstFrame == 1) { firstFrame = 0; rmTimeCurrent(&startTime); } frameNumber++; rmFrame(p, n); rmTimeCurrent(&endTime); if (rmTimeDifferenceMS(&startTime, &endTime) > 3000.0F) { float rate = (float)frameNumber/(rmTimeDifferenceMS(&startTime, &endTime) / 1000.0F); printf(" frames %d, elapsed msec=%g \n", frameNumber, rmTimeDifferenceMS(&startTime, &endTime)); printf(" %5.2f fps \n", rate); rmStatsPrint(); frameNumber = 0; /* startTime = endTime; */ rmTimeCurrent(&startTime); } } int myIdleFunc(RMpipe *p, int ix, int iy) { RMmatrix m,old; double d,c,s; rmMatrixIdentity(&m); d = RM_DEGREES_TO_RADIANS(1.0); c = cos(d); s = sin(d); m.m[0][0] = m.m[2][2] = c; m.m[0][2] = -s; m.m[2][0] = s; if (rmNodeGetRotateMatrix(MyRoot,&old) == RM_WHACKED) rmMatrixIdentity(&old); rmMatrixMultiply(&old,&m,&old); rmNodeSetRotateMatrix(MyRoot,&old); /* rmFrame(p, rmRootNode()); */ myrenderfunc(p, rmRootNode()); return 1; } #ifdef RM_WIN int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpszCmdLine, int nCmdShow) { MSG msg; HWND hWnd; void *fptr; RMenum channelFormat; RMenum processingMode = DEFAULT_PROCESSING_MODE; /* in procmode.h */ int status; RMpipe *lone_pipe = NULL; RMenum targetPlatform = RM_PIPE_WGL; /* * first stage of RM initialization. */ rmInit(); parse_args(__argc, __argv); #else /* assume RM_X */ int main(int ac, char *av[]) { int status; RMenum channelFormat; RMenum processingMode = DEFAULT_PROCESSING_MODE; /* in procmode.h */ RMpipe *lone_pipe = NULL; RMenum targetPlatform = RM_PIPE_GLX; void *msg; /* needed for rmauxEventLoop win32/unix API consistency */ /* * first stage of RM initialization. */ rmInit(); parse_args(ac, av); #endif /* * pick a stereo format: * RM_MONO_CHANNEL - plain old single-view * RM_REDBLUE_STEREO_CHANNEL - left channel in red, right channel in cyan * RM_BLUERED_STEREO_CHANNEL - left in cyan, right in red * RM_MBUF_STEREO_CHANNEL - multibuffered stereo, requires special * hardware. */ channelFormat = RM_MONO_CHANNEL; /* * create the rendering pipe. this step is required in both * Win32 and X. */ lone_pipe = rmPipeNew(targetPlatform); rmPipeSetProcessingMode(lone_pipe, processingMode); /* * set fps */ rmPipeSetFrameRate(lone_pipe, frameRate); #ifdef RM_WIN { /* * Win32: when a window is created, we have to tell windows the * name of the "WndProc," the procedure that gets called by * windows with events (the event loop) (contrast to the X model * where the name of the event loop is not part of the window). * Since we're using RMaux, we know about the event handling * procedure named "rmauxWndProc" and we provide that here. */ fptr = (void *)(rmauxWndProc); hWnd = rmauxCreateW32Window(lone_pipe, NULL, /* no parent window */ 20,20,img_width,img_height,"RM for Windows", hInstance,fptr); if (hWnd == 0) exit(-1); /* * assign the new window handle to the rendering pipe. */ rmPipeSetWindow(lone_pipe,hWnd, img_width, img_height); } #endif #ifdef RM_X { Window w; w = rmauxCreateXWindow(lone_pipe, (Window)NULL, /* parent window */ 0,0,img_width,img_height, "RM for X-Windows","icon-title",RM_TRUE); /* * assign the window to the rendering pipe. */ rmPipeSetWindow(lone_pipe,w,img_width,img_height); } #endif /* * specify the name of the "init" function. the "init" function is * mandatory in the Win32 world, and optional in the X world. * * in Win32, we don't want to call RM services until OpenGL is * ready. we can be assured of readiness by using an init function * with RMaux. * * in X, at this point, the window is mapped and OpenGL is ready, * and we could call our init function directly. */ rmauxSetInitFunc(myinitfunc); /* uncomment this next line if you want the object to rotate while the user is idle. */ rmauxSetIdleFunc(lone_pipe,myIdleFunc); /* * X-ism: once the window is created and assigned to the * rendering pipe, rmUsePipe makes the OpenGL rendering context * current for the pipe+window combination. * * this step is required for X. in these demo programs, it is not * strictly required by Win32, as the newly created context is made * current as part of the OpenGL initialization sequence. */ rmPipeMakeCurrent(lone_pipe); rmauxSetRenderFunc(myrenderfunc); /* * set key handler function so this prog will exit on "q" key. */ rmauxSetKeyFunc(lone_pipe, rmauxDefaultKeyFunc); rmauxEventLoop(lone_pipe, rmRootNode(), &msg); rmPipeDelete(lone_pipe); rmFinish(); #ifdef RM_WIN return( msg.wParam ); #else return(1); #endif }