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dumpframe.c
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dumpframe.c
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#ifndef GSS_DUMPFRAME
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <assert.h>
#include <string.h>
/* #define DEBUGTRACK 10 */
/* Using pkd.h deprecated for greater portability */
#include "pkd.h"
#ifndef DBL_MAX
#define DBL_MAX 1.7976931348623157E+308
#endif
#include "dumpframe.h"
void dfInitialize( struct DumpFrameContext **pdf, double dYearUnit, double dTime,
double dDumpFrameTime, double dStep, double dDumpFrameStep,
double dDelta, int iMaxRung, int bVDetails, char* filename ) {
double tock=0.0;/*initialized to suppress warning: DCR 12/19/02*/
struct DumpFrameContext *df;
if (*pdf!=NULL) (*pdf)->fs = NULL;
if (dDumpFrameTime <= 0 && dDumpFrameStep <=0) return;
if (*pdf == NULL) {
*pdf = (struct DumpFrameContext *) malloc(sizeof(struct DumpFrameContext ));
(*pdf)->bAllocated = 1;
}
else {
(*pdf)->bAllocated = 0;
}
df = *pdf;
df->iMaxRung = 0;
df->dYearUnit = dYearUnit;
df->dTime = 0;
df->dDumpFrameTime = 0;
if (dDumpFrameTime > 0) {
df->dDumpFrameTime = dDumpFrameTime;
df->dTime = dTime-dDumpFrameTime*1e-10;
/* Round to a nearby power of two */
tock = -log((dDumpFrameTime-floor(dDumpFrameTime))/dDelta*0.50001+1e-60)
/log(2.0);
if (tock <= iMaxRung) {
df->iMaxRung = tock;
}
}
df->dStep = 0;
df->dDumpFrameStep = 0;
if (dDumpFrameStep > 0) {
df->dDumpFrameStep = dDumpFrameStep;
df->dStep = dStep-dDumpFrameStep*1e-10;
/* Round to a nearby power of two */
tock = -log((dDumpFrameStep-floor(dDumpFrameStep))*0.50001+1e-60)
/log(2.0);
if (tock <= iMaxRung && tock >df->iMaxRung) {
df->iMaxRung = floor(tock);
}
}
/* General options */
df->bVDetails = bVDetails;
dfParseOptions( *pdf, filename );
/* Parse time dependent camera options (mostly 2D) */
dfParseCameraDirections( *pdf, filename );
if (df->bVDetails) printf("DF Initialized Frame dumping: Time Interval %g [%g] (Step %i) Step Interval %g -> MaxRung %i\n",dDumpFrameTime,floor(dDumpFrameTime)+dDelta*pow(2.0,-floor(tock)),(int) floor(dDumpFrameTime/dDelta),dDumpFrameStep,df->iMaxRung);
}
void dfFinalize( struct DumpFrameContext *df ) {
if (df != NULL) {
if (df->fs != NULL) free( df->fs );
if (df->bAllocated) free( df );
}
}
void *dfAllocateImage( int nxPix, int nyPix ) {
DFIMAGE *Image;
assert ( nxPix*nyPix*sizeof(DFIMAGE) <= DF_NBYTEDUMPFRAME );
Image = (DFIMAGE *) malloc( nxPix*nyPix*sizeof(DFIMAGE) );
assert (Image != NULL );
return Image;
}
void dfFreeImage( void *Image ) {
free( Image );
}
#define SET( a, b ) { \
a[0]=b[0]; \
a[1]=b[1]; \
a[2]=b[2]; \
}
#define ADD( a, b ) { \
a[0]+=b[0]; \
a[1]+=b[1]; \
a[2]+=b[2]; \
}
#define DIFF( a, b, c ) { \
c[0] = b[0]-a[0]; \
c[1] = b[1]-a[1]; \
c[2] = b[2]-a[2]; \
}
#define DOT( a, b ) ( a[0]*b[0] + a[1]*b[1] + a[2]*b[2] )
#define DIST( a, b ) sqrt( (a[0]-b[0])*(a[0]-b[0])+(a[1]-b[1])*(a[1]-b[1])+(a[2]-b[2])*(a[2]-b[2]) )
#define LEN( a ) sqrt( (a[0])*(a[0])+(a[1])*(a[1])+(a[2])*(a[2]) )
#define NORM( a ) { \
double ilen; \
ilen = 1./LEN ( a ); \
a[0] *= ilen; a[1] *= ilen; a[2] *= ilen; \
}
#define SIZEVEC( a, f ) { \
double ilen; \
ilen = f/LEN ( a ); \
a[0] *= ilen; a[1] *= ilen; a[2] *= ilen; \
}
#define CURL( a, b, c ) { \
c[0] = a[1]*b[2] - a[2]*b[1]; \
c[1] = a[2]*b[0] - a[0]*b[2]; \
c[2] = a[0]*b[1] - a[1]*b[0]; \
}
void dfProjection( struct inDumpFrame *in, struct dfFrameSetup *fs ) {
double width,height;
double vec[3];
/*double norm[3]; -- not used: DCR 12/19/02*/
in->r[0] = fs->target[0];
in->r[1] = fs->target[1];
in->r[2] = fs->target[2];
in->nxPix = fs->nxPix;
in->nyPix = fs->nyPix;
in->bExpansion = fs->bExpansion;
in->bPeriodic = fs->bPeriodic;
in->iProject = fs->iProject;
in->pScale1 = fs->pScale1;
in->pScale2 = fs->pScale2;
{
int j;
for (j=0;j<10;j++) {
in->ColStar[j] = fs->ColStar[j];
in->ColGas[j] = fs->ColGas[j];
in->ColDark[j] = fs->ColDark[j];
in->dColStar[j] = fs->dColStar[j];
in->dColGas[j] = fs->dColGas[j];
in->dColDark[j] = fs->dColDark[j];
}
}
in->nColStar = fs->nColStar;
in->nColGas = fs->nColGas;
in->nColDark = fs->nColDark;
in->bColMassWeight = fs->bColMassWeight;
in->bGasSph = fs->bGasSph;
in->iColStarAge = fs->iColStarAge;
in->bColLogInterp = fs->bColLogInterp;
in->iLogScale = fs->iLogScale;
in->iTarget = fs->iTarget;
in->dGasSoftMul = fs->dGasSoftMul;
in->dDarkSoftMul = fs->dDarkSoftMul;
in->dStarSoftMul = fs->dStarSoftMul;
in->iRender = fs->iRender;
if (fs->bEyeAbsolute) {
DIFF( fs->eye, in->r, in->z );
}
else {
double zero[3]={ 0, 0, 0 };
DIFF( fs->eye, zero, in->z );
}
/* fprintf(stderr,"eye2: %i %lf %lf %lf, %lf %lf %lf",fs->bEye2,fs->eye2[0],fs->eye2[1],fs->eye2[2], in->z[0],in->z[1],in->z[2] ); */
if (fs->bzEye1) SIZEVEC( in->z, fs->zEye1 );
/* fprintf(stderr,"eye2: %i %lf %lf %lf, %lf %lf %lf",fs->bEye2,fs->eye2[0],fs->eye2[1],fs->eye2[2], in->z[0],in->z[1],in->z[2] ); */
if (fs->bEye2) {
SET( vec, fs->eye2 );
if (fs->bzEye2) SIZEVEC( vec, fs->zEye2 );
ADD ( in->z, vec );
}
/* fprintf(stderr,"eye2: %i %lf %lf %lf, %lf %lf %lf",fs->bEye2,fs->eye2[0],fs->eye2[1],fs->eye2[2], in->z[0],in->z[1],in->z[2] ); */
if (fs->bzEye) {
in->zEye = fs->zEye;
}
else {
in->zEye = LEN( in->z );
}
if (fs->bExpansion) in->zEye/= in->dExp; /* Use physical units for sizing? */
/* zEye is used to scale viewport */
assert( in->zEye > 0.0 );
if (fs->bzClipFrac) {
in->zClipNear = in->zEye*fs->zClipNear;
in->zClipFar = in->zEye*fs->zClipFar;
}
else {
in->zClipNear = fs->zClipNear;
in->zClipFar = fs->zClipFar;
}
NORM( in->z );
width = 2*tan( fs->FOV*M_PI/180.*0.5 )*in->zEye;
height = width*in->nyPix/in->nxPix;
CURL( fs->up, in->z, in->x );
if (fs->iProject == DF_PROJECT_PERSPECTIVE) {
SIZEVEC( in->x, (in->nxPix*0.5*in->zEye/width) );
}
else {
SIZEVEC( in->x, (in->nxPix*0.5/width) );
}
CURL( in->z, in->x, in->y );
if (fs->iProject == DF_PROJECT_PERSPECTIVE) {
SIZEVEC( in->y, (in->nyPix*0.5*in->zEye/height) );
}
else {
SIZEVEC( in->y, (in->nyPix*0.5/height) );
}
if (fs->bPeriodic) {
in->nxRepNeg = 0; /* Replicas for Periodic: Will setup sensibly ultimately */
in->nxRepPos = 0;
in->nyRepNeg = 0;
in->nyRepPos = 0;
in->nzRepNeg = 0;
in->nzRepPos = 0;
}
else {
in->nxRepNeg = 0; /* Not Periodic */
in->nxRepPos = 0;
in->nyRepNeg = 0;
in->nyRepPos = 0;
in->nzRepNeg = 0;
in->nzRepPos = 0;
}
/* Render helper variables */
in->xlim = (in->nxPix-1)*.5;
in->ylim = (in->nyPix-1)*.5;
in->hmul = 4*sqrt(in->x[0]*in->x[0] + in->x[1]*in->x[1] + in->x[2]*in->x[2]);
/* in->bNonLocal not set (an internal use only variable) */
if (in->bVDetails) {
printf("DF Projection: %i x %i FOV %f width %f height %f\n",fs->nxPix,fs->nyPix,fs->FOV,width,height);
printf("DF eye %f %f %f, target %f %f %f, (separation %f)\n",fs->eye[0],fs->eye[1],fs->eye[2],fs->target[0],fs->target[1],fs->target[2],in->zEye );
printf("DF up %f %f %f Z-Clipping: Near %f Far %f\n",fs->up[0],fs->up[1],fs->up[2],in->zClipNear,in->zClipFar);
printf("DF Vectors: x %f %f %f, y %f %f %f z %f %f %f\n",in->x[0],in->x[1],in->x[2], in->y[0],in->y[1],in->y[2], in->z[0],in->z[1],in->z[2] );
printf("DF Colours: star %f %f %f gas %f %f %f dark %f %f %f\n",in->ColStar[0].r,in->ColStar[0].g,in->ColStar[0].b,in->ColGas[0].r,in->ColGas[0].g,in->ColGas[0].b,in->ColDark[0].r,in->ColDark[0].g,in->ColDark[0].b);
if (in->nColGas > 1 || in->nColStar > 1 || in->nColDark > 1) {
int iCol,nCol;
nCol = in->nColGas;
if (in->nColDark > nCol) nCol=in->nColDark;
if (in->nColStar > nCol) nCol=in->nColStar;
for (iCol=1;iCol<nCol;iCol++) {
printf("DF Colours:");
if (iCol < in->nColStar) printf(" star %f %f %f",in->ColStar[iCol].r,in->ColStar[iCol].g,in->ColStar[iCol].b);
else printf(" star - - -");
if (iCol < in->nColGas) printf(" gas %f %f %f",in->ColGas[iCol].r,in->ColGas[iCol].g,in->ColGas[iCol].b);
else printf(" gas - - -");
if (iCol < in->nColDark) printf(" dark %f %f %f\n",in->ColDark[iCol].r,in->ColDark[iCol].g,in->ColDark[iCol].b);
else printf(" dark - - -\n");
}
}
}
}
void dfParseOptions( struct DumpFrameContext *df, char * filename ) {
FILE *fp;
int nitem;
char line[81],command[40],word[40];
char FileBaseName[81]="Frame";
char NumberingFormat[41]="";
df->iDimension = DF_2D;
df->iEncode = DF_ENCODE_PPM;
df->iNumbering = DF_NUMBERING_FRAME;
df->dMassGasMin = 0;
df->dMassGasMax = DBL_MAX;
df->dMassDarkMin = 0;
df->dMassDarkMax = DBL_MAX;
df->dMassStarMin = 0;
df->dMassStarMax = DBL_MAX;
df->nFrame = 0;
df->bGetCentreOfMass = 0;
df->bGetOldestStar = 0;
df->bGetPhotogenic = 0;
fp = fopen( filename, "r" );
if (fp==NULL) return;
for ( ;; ) {
if (fgets( line, 81, fp ) == NULL) break;
sscanf( line, "%s", command );
if (!strcmp( command, "t" ) || !strcmp( command, "time" )) df->nFrameSetup++; /* count times */
}
rewind( fp );
for ( ;; ) {
if (fgets( line, 81, fp ) == NULL) break;
nitem = sscanf( line, "%s", command );
if (nitem != 1 || command[0]=='#') continue;
else if (!strcmp( command, "dim") || !strcmp( command, "dimension") ) {
nitem = sscanf( line, "%s %s", command, word );
assert( nitem == 2 );
if (!strcmp( word, "2") ) {
df->iDimension = DF_2D;
}
else if (!strcmp( word, "3") ) {
df->iDimension = DF_3D;
}
else {
fprintf(stderr,"DF Unknown dimensions: %s\n",word);
assert( 0 );
}
}
else if (!strcmp( command, "file") ) {
nitem = sscanf( line, "%s %80s", command, FileBaseName );
assert( strlen(FileBaseName) > 0 );
}
else if (!strcmp( command, "gas") ) {
nitem = sscanf( line, "%s %s", command, word );
if (nitem == 2 && (!strcmp( word, "no") ||!strcmp( word, "off" ))) {
df->dMassGasMin = DBL_MAX;
}
else {
nitem = sscanf( line, "%s %lf %lf", command,
&df->dMassGasMin, &df->dMassGasMax );
assert( nitem == 3 );
}
}
else if (!strcmp( command, "dark") ) {
nitem = sscanf( line, "%s %s", command, word );
if (nitem == 2 && (!strcmp( word, "no") ||!strcmp( word, "off" ))) {
df->dMassDarkMin = DBL_MAX;
}
else {
nitem = sscanf( line, "%s %lf %lf", command,
&df->dMassDarkMin, &df->dMassDarkMax );
assert( nitem == 3 );
}
}
else if (!strcmp( command, "star") ) {
nitem = sscanf( line, "%s %s", command, word );
if (nitem == 2 && (!strcmp( word, "no") ||!strcmp( word, "off" ))) {
df->dMassStarMin = DBL_MAX;
}
else {
nitem = sscanf( line, "%s %lf %lf", command,
&df->dMassStarMin, &df->dMassStarMax );
assert( nitem == 3 );
}
}
else if (!strcmp( command, "encode") ) {
nitem = sscanf( line, "%s %s", command, word );
assert( nitem == 2 );
if (!strcmp( word, "ppm") ) {
df->iEncode = DF_ENCODE_PPM;
}
else if (!strcmp( word, "png") ) {
df->iEncode = DF_ENCODE_PNG;
#ifndef USE_PNG
fprintf(stderr,"DF PNG encoding support not compiled in\n");
assert(0);
#endif
}
else if (!strcmp( word, "rle") ) {
df->iEncode = DF_ENCODE_RLE;
fprintf(stderr,"DF RLE encoding not supported yet\n");
assert(0);
}
else if (!strcmp( word, "treezip") ) {
df->iEncode = DF_ENCODE_TREEZIP;
fprintf(stderr,"DF Voxel encoding not supported yet\n");
assert(0);
}
else {
fprintf(stderr,"DF Unknown encoding: %s\n",word);
assert(0);
}
}
else if (!strcmp( command, "numbering") ) {
nitem = sscanf( line, "%s %s %40s", command, word, NumberingFormat );
if (nitem == 2 ) {
nitem = sscanf( line, "%s %s", command, word );
assert( nitem == 2 );
}
if (!strcmp( word, "frame") ) {
df->iNumbering = DF_NUMBERING_FRAME;
}
else if (!strcmp( word, "step") ) {
df->iNumbering = DF_NUMBERING_STEP;
}
else if (!strcmp( word, "time") ) {
df->iNumbering = DF_NUMBERING_TIME;
}
else {
fprintf(stderr,"DF Unknown numbering type: %s\n",word);
assert( 0 );
}
}
else if (!strcmp( command, "frame") ) {
nitem = sscanf( line, "%s %i", command, &df->nFrame );
assert( nitem == 2 );
}
}
if (df->iDimension == DF_3D) {
fprintf(stderr,"DF Voxel projection/encoding not supported yet\n");
assert(0);
df->iEncode = DF_ENCODE_TREEZIP; /* Encode same thing */
}
else assert (df->iEncode != DF_ENCODE_TREEZIP);
if (strlen(NumberingFormat)==0) {
switch( df->iNumbering ) {
case DF_NUMBERING_FRAME:
strcpy(NumberingFormat,"%09i");
break;
case DF_NUMBERING_STEP:
case DF_NUMBERING_TIME:
strcpy(NumberingFormat,"%012.6f");
break;
}
}
switch ( df->iEncode ) {
case DF_ENCODE_PPM:
sprintf(df->FileName,"%s.%s.ppm", FileBaseName, NumberingFormat );
break;
case DF_ENCODE_PNG:
sprintf(df->FileName,"%s.%s.png", FileBaseName, NumberingFormat );
break;
default:
sprintf(df->FileName,"%s.%s.null", FileBaseName, NumberingFormat );
break;
}
fclose(fp);
}
void dfParseCameraDirections( struct DumpFrameContext *df, char * filename ) {
FILE *fp;
/* struct inDumpFrame in; */
struct dfFrameSetup fs;
int n,nitem;
#define CMWOFF 1
#define CMWON 2
int bCMW = 0;
char line[81],command[40],word[40];
df->bLoop = 0;
df->dTimeMod = 0;
df->dTimeLoop = 1e20;
df->dPeriodLoop = 0;
/* Defaults -- most of this is for 2D only */
fs.dTime = 0;
fs.nxPix = 800;
fs.nyPix = 600;
fs.target[0] = 0;
fs.target[1] = 0;
fs.target[2] = 0;
fs.eye[0] = 0;
fs.eye[1] = 0;
fs.eye[2] = -.5;
fs.up[0] = 0;
fs.up[1] = 1;
fs.up[2] = 0;
fs.zEye = 0.0;
fs.zEye1 = 0.0;
fs.zEye2 = 0.0;
fs.eye2[0] = 0;
fs.eye2[1] = 0;
fs.eye2[2] = 0;
fs.bEye2 = 0;
fs.bzEye = 0;
fs.bzEye1 = 0;
fs.bzEye2 = 0;
fs.bEyeAbsolute = 0;
fs.FOV = 90.;
fs.zClipNear = 0.01;
fs.zClipFar = 2.0;
fs.bzClipFrac = 1;
fs.bExpansion = 0; /* to physical? */
fs.bPeriodic = 0; /* Periodic? */
fs.iProject = DF_PROJECT_PERSPECTIVE;
/* Render */
{
int j;
for (j=0;j<10;j++) {
fs.ColDark[j].r = 1.0;
fs.ColDark[j].g = 0.7;
fs.ColDark[j].b = 0.5;
fs.ColGas[j].r = 0.5;
fs.ColGas[j].g = 1.0;
fs.ColGas[j].b = 0.7;
fs.ColStar[j].r = 0.5;
fs.ColStar[j].g = 0.7;
fs.ColStar[j].b = 1.0;
}
}
fs.nColDark = 0;
fs.nColGas = 0;
fs.nColStar = 0;
fs.bColMassWeight = 0;
fs.bGasSph = 1;
fs.iColStarAge = DF_STAR_AGE_BASIC;
fs.bColLogInterp = 1;
fs.iLogScale = DF_LOG_NULL;
fs.iTarget = DF_TARGET_USER;
fs.dGasSoftMul = 1;
fs.dDarkSoftMul = 1;
fs.dStarSoftMul = 1;
fs.iRender = DF_RENDER_POINT;
fp = fopen( filename, "r" );
if (fp==NULL) {
fprintf(stderr,"DF Could not open camera director file: %s\n",filename );
df->iFrameSetup = 0;
df->nFrameSetup = 1;
df->fs = (struct dfFrameSetup *) malloc(sizeof(struct dfFrameSetup)*df->nFrameSetup);
assert( df->fs != NULL );
if (df->bVDetails) printf("DF Default Frame Setup\n" );
/* dfProjection( &in, &fs ); */ /* Redundant now -- done again later */
df->fs[0] = fs;
return;
}
if (df->bVDetails) printf("DF Reading camera directions from: %s\n",filename );
df->iFrameSetup = -1;
df->nFrameSetup=1; /* Defaults */
for ( ;; ) {
if (fgets( line, 81, fp ) == NULL) break;
sscanf( line, "%s", command );
if (!strcmp( command, "t" ) || !strcmp( command, "time" )) df->nFrameSetup++; /* count times */
}
rewind( fp );
df->fs = (struct dfFrameSetup *) malloc(sizeof(struct dfFrameSetup)*df->nFrameSetup);
assert( df->fs != NULL );
n=0;
if (df->bVDetails) printf("DF Default Frame Setup\n" );
for ( ;; ) {
if (fgets( line, 81, fp ) == NULL) break;
nitem = sscanf( line, "%s", command );
if (nitem != 1 || command[0]=='#') continue;
else if (!strcmp( command, "t" ) || !strcmp( command, "time" )) {
/* dfProjection( &in, &fs ); */ /* Redundant now -- done again later */
df->fs[n] = fs;
n++; /* next setup */
nitem = sscanf( line, "%s %lf", command, &fs.dTime );
assert( nitem == 2 );
if (df->bVDetails) printf("DF Frame Setup from time: %f\n",fs.dTime );
}
else if (!strcmp( command, "target") ) {
nitem = sscanf( line, "%s %lf %lf %lf", command, &fs.target[0], &fs.target[1], &fs.target[2] );
if (nitem != 4) {
nitem = sscanf( line, "%s %s", command, word );
assert( nitem == 2);
if (!strcmp( word, "gas") ) {
fs.iTarget = DF_TARGET_COM_GAS;
df->bGetCentreOfMass = 1;
}
else if (!strcmp( word, "dark") ) {
fs.iTarget = DF_TARGET_COM_DARK;
df->bGetCentreOfMass = 1;
}
else if (!strcmp( word, "star") ) {
fs.iTarget = DF_TARGET_COM_STAR;
df->bGetCentreOfMass = 1;
}
else if (!strcmp( word, "all") ) {
fs.iTarget = DF_TARGET_COM_ALL;
df->bGetCentreOfMass = 1;
}
else if (!strcmp( word, "oldeststar" ) ) {
fs.iTarget = DF_TARGET_OLDEST_STAR;
df->bGetOldestStar = 1;
}
else if (!strcmp( word, "photogenic" ) ) {
fs.iTarget = DF_TARGET_PHOTOGENIC;
df->bGetPhotogenic = 1;
}
else {
assert(0);
}
}
}
else if (!strcmp( command, "eye") || !strcmp( command, "eye1") ) {
nitem = sscanf( line, "%s %lf %lf %lf", command, &fs.eye[0], &fs.eye[1], &fs.eye[2] );
if ( nitem != 4 ) {
nitem = sscanf( line, "%s %s", command, word );
assert( nitem == 2 );
if (!strcmp( word, "rel") ) {
fs.bEyeAbsolute = 0;
}
else if (!strcmp( word, "abs") ) {
fs.bEyeAbsolute = 1;
}
else {
fprintf(stderr,"DF Unknown eye offset type: %s\n",word);
assert( 0 );
}
}
}
else if (!strcmp( command, "eye2") ) {
nitem = sscanf( line, "%s %lf %lf %lf", command, &fs.eye2[0], &fs.eye2[1], &fs.eye2[2] );
fs.bEye2 = 1;
assert( nitem == 4 );
}
else if (!strcmp( command, "up") ) {
nitem = sscanf( line, "%s %lf %lf %lf", command, &fs.up[0], &fs.up[1], &fs.up[2] );
assert( nitem == 4 );
}
else if (!strcmp( command, "size") ) {
nitem = sscanf( line, "%s %i %i", command, &fs.nxPix, &fs.nyPix );
assert( nitem == 3 );
assert( fs.nxPix*fs.nyPix <= DF_NXPIXMAX*DF_NYPIXMAX );
}
else if (!strcmp( command, "zeye") ) {
fs.bzEye = 1;
nitem = sscanf( line, "%s %lf", command, &fs.zEye );
assert( nitem == 2 );
}
else if (!strcmp( command, "zeye1") ) {
fs.bzEye1 = 1;
nitem = sscanf( line, "%s %lf", command, &fs.zEye1 );
assert( nitem == 2 );
}
else if (!strcmp( command, "zeye2") ) {
fs.bzEye2 = 1;
nitem = sscanf( line, "%s %lf", command, &fs.zEye2 );
assert( nitem == 2 );
}
else if (!strcmp( command, "exp") || !strcmp( command, "physical") ) {
fs.bExpansion = 1;
}
else if (!strcmp( command, "fov") || !strcmp( command, "FOV") ) {
nitem = sscanf( line, "%s %lf", command, &fs.FOV );
assert( nitem == 2 );
}
else if (!strcmp( command, "loop") ) {
df->bLoop = 1;
nitem = sscanf( line, "%s %lf %lf", command, &df->dTimeLoop, &df->dPeriodLoop );
assert( nitem == 3 );
}
else if (!strcmp( command, "clip") ) {
nitem = sscanf( line, "%s %lf %lf", command, &fs.zClipNear, &fs.zClipFar );
assert( nitem == 3 );
}
else if (!strcmp( command, "clipabs") ) {
fs.bzClipFrac = 0;
nitem = sscanf( line, "%s %lf %lf", command, &fs.zClipNear, &fs.zClipFar );
assert( nitem == 3 );
}
else if (!strcmp( command, "clipfrac") ) {
fs.bzClipFrac = 1;
nitem = sscanf( line, "%s %lf %lf", command, &fs.zClipNear, &fs.zClipFar );
assert( nitem == 3 );
}
else if (!strcmp( command, "project") ) {
nitem = sscanf( line, "%s %s", command, word );
assert( nitem == 2 );
if (!strcmp( word, "ortho") ) {
fs.iProject = DF_PROJECT_ORTHO;
}
else if (!strcmp( word, "perspective") ) {
fs.iProject = DF_PROJECT_PERSPECTIVE;
}
else {
fprintf(stderr,"DF Unknown projection: %s\n",word);
assert( 0 );
}
}
else if (!strcmp( command, "colgasint" )) {
float scaler;
assert(fs.nColGas < 10);
nitem = sscanf( line, "%s %f %f %f %f %f", command, &fs.ColGas[fs.nColGas].r, &fs.ColGas[fs.nColGas].g, &fs.ColGas[fs.nColGas].b, &fs.dColGas[fs.nColGas], &scaler );
if (nitem == 6) {
assert( !(bCMW & CMWOFF) );
bCMW |= CMWON;
fs.bColMassWeight = 1;
fs.ColGas[fs.nColGas].r/=scaler;
fs.ColGas[fs.nColGas].g/=scaler;
fs.ColGas[fs.nColGas].b/=scaler;
}
else {
nitem = sscanf( line, "%s %f %f %f %f", command, &fs.ColGas[fs.nColGas].r, &fs.ColGas[fs.nColGas].g, &fs.ColGas[fs.nColGas].b, &fs.dColGas[fs.nColGas] );
assert( nitem == 5 );
assert( !(bCMW & CMWON) );
bCMW |= CMWOFF;
}
if (fs.nColGas > 0) assert(fs.dColGas[fs.nColGas] > fs.dColGas[fs.nColGas-1]);
fs.nColGas++;
}
else if (!strcmp( command, "colgas" )) {
float scaler;
nitem = sscanf( line, "%s %f %f %f %f", command, &fs.ColGas[0].r, &fs.ColGas[0].g, &fs.ColGas[0].b, &scaler );
if (nitem == 5) {
assert( !(bCMW & CMWOFF) );
bCMW |= CMWON;
fs.bColMassWeight = 1;
fs.ColGas[0].r/=scaler;
fs.ColGas[0].g/=scaler;
fs.ColGas[0].b/=scaler;
}
else {
nitem = sscanf( line, "%s %f %f %f", command, &fs.ColGas[0].r, &fs.ColGas[0].g, &fs.ColGas[0].b );
assert( nitem == 4 );
assert( !(bCMW & CMWON) );
bCMW |= CMWOFF;
}
fs.nColGas = 0;
}
else if (!strcmp( command, "coldarkint" )) {
float scaler;
assert(fs.nColDark < 10);
nitem = sscanf( line, "%s %f %f %f %f %f", command, &fs.ColDark[fs.nColDark].r, &fs.ColDark[fs.nColDark].g, &fs.ColDark[fs.nColDark].b, &fs.dColDark[fs.nColDark], &scaler );
if (nitem == 6) {
assert( !(bCMW & CMWOFF) );
bCMW |= CMWON;
fs.bColMassWeight = 1;
fs.ColDark[fs.nColDark].r/=scaler;
fs.ColDark[fs.nColDark].g/=scaler;
fs.ColDark[fs.nColDark].b/=scaler;
}
else {
nitem = sscanf( line, "%s %f %f %f %f", command, &fs.ColDark[fs.nColDark].r, &fs.ColDark[fs.nColDark].g, &fs.ColDark[fs.nColDark].b, &fs.dColDark[fs.nColDark] );
assert( nitem == 5 );
assert( !(bCMW & CMWON) );
bCMW |= CMWOFF;
}
if (fs.nColDark > 0) assert(fs.dColDark[fs.nColDark] > fs.dColDark[fs.nColDark-1]);
fs.nColDark++;
}
else if (!strcmp( command, "coldark" )) {
float scaler;
nitem = sscanf( line, "%s %f %f %f %f", command, &fs.ColDark[0].r, &fs.ColDark[0].g, &fs.ColDark[0].b, &scaler );
if (nitem == 5) {
assert( !(bCMW & CMWOFF) );
bCMW |= CMWON;
fs.bColMassWeight = 1;
fs.ColDark[0].r/=scaler;
fs.ColDark[0].g/=scaler;
fs.ColDark[0].b/=scaler;
}
else {
nitem = sscanf( line, "%s %f %f %f", command, &fs.ColDark[0].r, &fs.ColDark[0].g, &fs.ColDark[0].b );
assert( nitem == 4 );
assert( !(bCMW & CMWON) );
bCMW |= CMWOFF;
}
fs.nColDark = 0;
}
else if (!strcmp( command, "colstarint" )) {
float scaler;
assert(fs.nColStar < 10);
nitem = sscanf( line, "%s %f %f %f %f %f", command, &fs.ColStar[fs.nColStar].r, &fs.ColStar[fs.nColStar].g, &fs.ColStar[fs.nColStar].b, &fs.dColStar[fs.nColStar], &scaler );
if (nitem == 6) {
assert( !(bCMW & CMWOFF) );
bCMW |= CMWON;
fs.bColMassWeight = 1;
fs.ColStar[fs.nColStar].r/=scaler;
fs.ColStar[fs.nColStar].g/=scaler;
fs.ColStar[fs.nColStar].b/=scaler;
}
else {
nitem = sscanf( line, "%s %f %f %f %f", command, &fs.ColStar[fs.nColStar].r, &fs.ColStar[fs.nColStar].g, &fs.ColStar[fs.nColStar].b, &fs.dColStar[fs.nColStar] );
assert( nitem == 5 );
assert( !(bCMW & CMWON) );
bCMW |= CMWOFF;
}
if (fs.nColStar > 0) assert(fs.dColStar[fs.nColStar] > fs.dColStar[fs.nColStar-1]);
fs.nColStar++;
}
else if (!strcmp( command, "colstar" )
|| !strcmp( command, "colstarbri" )
|| !strcmp( command, "colstarcol" )
|| !strcmp( command, "colstarbricol" )) {
float scaler;
if (!strcmp( command, "colstar" ))
fs.iColStarAge = DF_STAR_AGE_BASIC;
else if(!strcmp( command, "colstarbri" ))
fs.iColStarAge = DF_STAR_AGE_BRIGHT;
else if(!strcmp( command, "colstarcol" ))
fs.iColStarAge = DF_STAR_AGE_COLOUR;
else if(!strcmp( command, "colstarbricol" ))
fs.iColStarAge = DF_STAR_AGE_BRIGHT_COLOUR;
fs.nColStar = 0;
nitem = sscanf( line, "%s %f %f %f %f", command, &fs.ColStar[0].r, &fs.ColStar[0].g, &fs.ColStar[0].b, &scaler );
if (nitem == 5) {
assert( !(bCMW & CMWOFF) );
bCMW |= CMWON;
fs.bColMassWeight = 1;
fs.ColStar[0].r/=scaler;
fs.ColStar[0].g/=scaler;
fs.ColStar[0].b/=scaler;
}
else {
nitem = sscanf( line, "%s %f %f %f", command, &fs.ColStar[0].r, &fs.ColStar[0].g, &fs.ColStar[0].b );
assert( nitem == 4 );
assert( !(bCMW & CMWON) );
bCMW |= CMWOFF;
}
}
else if (!strcmp( command, "colmass" )) {
assert( !(bCMW & CMWOFF) );
bCMW |= CMWON;
fs.bColMassWeight = 1;
}
else if (!strcmp( command, "colloginterp" )) {
nitem = sscanf( line, "%s %s", command, word );
if (nitem == 2 && (!strcmp( word, "no") ||!strcmp( word, "off" ))) {
fs.bColLogInterp = 0;
}
fs.bColLogInterp = 1;
}
else if (!strcmp( command, "logscale" )) {
nitem = sscanf( line, "%s %lf %lf", command, &fs.pScale1, &fs.pScale2 );
assert( nitem == 3 );
fs.iLogScale = DF_LOG_SATURATE;
}
else if (!strcmp( command, "logscalecoloursafe" )) {
nitem = sscanf( line, "%s %lf %lf", command, &fs.pScale1, &fs.pScale2 );
assert( nitem == 3 );
fs.iLogScale = DF_LOG_COLOURSAFE;
}
else if (!strcmp( command, "softgassph" )) {
fs.bGasSph = 1;
}
else if (!strcmp( command, "softgas" )) {
fs.bGasSph = 0;
nitem = sscanf( line, "%s %lf", command, &fs.dGasSoftMul );
assert( nitem == 2 );
}
else if (!strcmp( command, "softdark" )) {
nitem = sscanf( line, "%s %lf", command, &fs.dDarkSoftMul );
assert( nitem == 2 );
}
else if (!strcmp( command, "softstar" )) {
nitem = sscanf( line, "%s %lf", command, &fs.dStarSoftMul );
assert( nitem == 2 );
}
else if (!strcmp( command, "render") ) {
nitem = sscanf( line, "%s %s", command, word );
assert( nitem == 2 );
if (!strcmp( word, "point") ) {
fs.iRender = DF_RENDER_POINT;
}
else if (!strcmp( word, "tsc") ) {
fs.iRender = DF_RENDER_TSC;
}
else if (!strcmp( word, "solid") ) {
fs.iRender = DF_RENDER_SOLID;
}
else if (!strcmp( word, "shine") ) {
fs.iRender = DF_RENDER_SHINE;
}
else {
fprintf(stderr,"DF Unknown rendering: %s\n",word);
assert( 0 );
}
}
}
if (fs.nColGas == 1) fs.nColGas = 0;
if (fs.nColDark == 1) fs.nColDark = 0;
if (fs.nColStar == 1) fs.nColStar = 0;
/* Redundant now -- done again later */
/*
in.bVDetails = df->bVDetails;
dfProjection( &in, &fs );
*/
df->fs[n] = fs;
n++; /* next setup */
if (n==1) df->iFrameSetup = 0;
assert ( n == df->nFrameSetup );
fclose(fp);
}
void dfSetupFrame( struct DumpFrameContext *df, double dTime, double dStep, double dExp, double *com, struct inDumpFrame *vin ) {
struct dfFrameSetup fs;
int ifs = df->iFrameSetup;
vin->dTime = dTime;
vin->dYearUnit = df->dYearUnit;
vin->dStep = dStep;
vin->dExp = dExp;
vin->bVDetails = df->bVDetails;
vin->dMassStarMin = df->dMassStarMin;
vin->dMassStarMax = df->dMassStarMax;
vin->dMassGasMin = df->dMassGasMin;
vin->dMassGasMax = df->dMassGasMax;
vin->dMassDarkMin = df->dMassDarkMin;
vin->dMassDarkMax = df->dMassDarkMax;
if (df->bLoop) {
dTime -= df->dTimeMod;
if (dTime > df->dPeriodLoop+df->dTimeLoop) {
dTime -= df->dPeriodLoop;
df->dTimeMod += df->dPeriodLoop;
ifs = -1;
}
}
if (ifs == -1) {
assert( df->nFrameSetup > 1 );
if (dTime < df->fs[1].dTime) { /* Outside range */
fprintf(stderr,"DF WARNING Initial Time outside camera direction table: %g < %g\n",dTime,df->fs[1].dTime);
df->iFrameSetup = ifs = 0;
}
else {
ifs = 1;
while (ifs < df->nFrameSetup && dTime >= df->fs[ifs+1].dTime ) ifs++;
if (ifs >= df->nFrameSetup-1) { /* Outside Range */
if (dTime == df->fs[df->nFrameSetup-1].dTime && ifs > 1) ifs--;
else {
fprintf(stderr,"DF WARNING Initial Time outside camera direction table: %g > %g\n",dTime,df->fs[df->nFrameSetup-1].dTime);
df->iFrameSetup = ifs = 0;
}
}
df->iFrameSetup = ifs;
dfGetCoeff( df, ifs );
}
}
else if (df->nFrameSetup > 1) {
while (dTime > df->fs[ifs+1].dTime || (!ifs && dTime >= df->fs[ifs+1].dTime)) {
ifs++;
if (ifs >= df->nFrameSetup-1) {
fprintf(stderr,"DF WARNING Time outside camera direction table: %g > %g\n",dTime,df->fs[df->nFrameSetup-1].dTime);
df->iFrameSetup = ifs = 0;
break;
}
df->iFrameSetup = ifs;
dfGetCoeff( df, ifs );
}
}
if (df->bVDetails) printf("DF Interpolating at t=%g Setups: %i (t=%g) %i (t=%g)\n",dTime,ifs,df->fs[ifs].dTime,ifs+1,df->fs[ifs+1].dTime);
fs = df->fs[ifs];
/* Nothing to interpolate? */
if (ifs) {
/*
Interpolate Eye position, FOV etc...
from df->fs[ifs].dTime <= dTime <= df->fs[ifs+1].dTime
*/
dfInterp( df, &fs, (dTime-fs.dTime)*df->rdt );
}
switch (fs.iTarget) {
case DF_TARGET_COM_GAS:
if (com[3]>0) {
fs.target[0] = com[0]/com[3];
fs.target[1] = com[1]/com[3];
fs.target[2] = com[2]/com[3];
}
break;
case DF_TARGET_COM_DARK:
if (com[7]>0) {