Page Menu
Home
c4science
Search
Configure Global Search
Log In
Files
F80574718
pmapparm.c
No One
Temporary
Actions
Download File
Edit File
Delete File
View Transforms
Subscribe
Mute Notifications
Award Token
Subscribers
None
File Metadata
Details
File Info
Storage
Attached
Created
Sun, Sep 1, 11:29
Size
4 KB
Mime Type
text/x-c
Expires
Tue, Sep 3, 11:29 (2 d)
Engine
blob
Format
Raw Data
Handle
20399975
Attached To
R10977 RADIANCE Photon Map
pmapparm.c
View Options
#ifndef lint
static const char RCSid[] = "$Id: pmapparm.c,v 2.9 2018/02/02 19:47:55 rschregle Exp $";
#endif
/*
======================================================================
Parameters for photon map generation and rendering; used by mkpmap
and rpict/rvu/rtrace.
Roland Schregle (roland.schregle@{hslu.ch, gmail.com}
(c) Fraunhofer Institute for Solar Energy Systems,
supported by the German Research Foundation
(DFG LU-204/10-2, "Fassadenintegrierte Regelsysteme" (FARESYS))
(c) Lucerne University of Applied Sciences and Arts,
supported by the Swiss National Science Foundation
(SNSF #147053, "Daylight Redirecting Components")
(c) Tokyo University of Science,
supported by the JSPS Grants-in-Aid for Scientific Research
(KAKENHI JP19KK0115, "Three-Dimensional Light Flow")
======================================================================
$Id: pmapparm.c,v 2.9 2018/02/02 19:47:55 rschregle Exp $
*/
#include "pmapparm.h"
#include "pmapdata.h"
#include <ctype.h>
float pdfSamples = 1000, /* PDF samples per steradian */
finalGather = 0.25, /* fraction of global photons for
irradiance precomputation */
preDistrib = 0.25, /* fraction of num photons for
distribution prepass */
gatherTolerance = 0.5, /* Photon map lookup tolerance;
lookups returning fewer than this
fraction of minGather/maxGather
are restarted with a larger
search radius */
maxDistFix = 0, /* Static maximum photon search
radius (radius is adaptive if
this is zero) */
photonMaxDist = 0; /* Maximum cumulative distance of
photon path */
#ifdef PMAP_OOC
float pmapCachePageSize = 8; /* OOC cache pagesize as multiple
* of maxGather */
unsigned long pmapCacheSize = 1e6; /* OOC cache size in photons */
#endif
/* Regions of interest */
unsigned pmapNumROI = 0;
PhotonMapROI *pmapROI = NULL;
unsigned verbose = 0; /* Verbose console output */
unsigned long photonMaxBounce = 5000; /* Runaway photon bounce limit */
unsigned photonRepTime = 0, /* Seconds between reports */
maxPreDistrib = 4, /* Max predistrib passes */
defaultGather = 40; /* Default num photons for lookup */
#ifdef PMAP_PHOTONFLOW
unsigned photonFlow = 0; /* Evaluate immediate irradiance from
volume photons as lightfield,
ignoring participating medium */
#endif
/* Per photon map params */
PhotonMapParams pmapParams [NUM_PMAP_TYPES] = {
{NULL, 0, 0, 0}, {NULL, 0, 0, 0}, {NULL, 0, 0, 0}, {NULL, 0, 0, 0},
{NULL, 0, 0, 0}, {NULL, 0, 0, 0}
};
int setPmapParam (PhotonMap** pm, const PhotonMapParams* parm)
{
if (parm && parm -> fileName) {
if (!(*pm = (PhotonMap*)malloc(sizeof(PhotonMap))))
error(INTERNAL, "failed to allocate photon map");
(*pm) -> fileName = parm -> fileName;
(*pm) -> minGather = parm -> minGather;
(*pm) -> maxGather = parm -> maxGather;
(*pm) -> distribTarget = parm -> distribTarget;
(*pm) -> maxDist0 = FHUGE;
(*pm) -> srcContrib = NULL;
return 1;
}
return 0;
}
unsigned long parseMultiplier (const char *num)
{
unsigned long mult = 1;
const int strEnd = strlen(num) - 1;
if (strEnd <= 0)
return 0;
if (!isdigit(num [strEnd]))
switch (toupper(num [strEnd])) {
case 'G': mult *= 1000;
case 'M': mult *= 1000;
case 'K': mult *= 1000;
break;
default : error(USER, "unknown multiplier");
}
return (unsigned long)(mult * atof(num));
}
Event Timeline
Log In to Comment