// render ecef geometry
void miniview::render_ecef_geometry(double)
{
// render plain globe for z-values:
static miniglobe globe;
static const int gltess = 32;
static const double glscale = 0.999;
static const double glzscale = 1.05;
globe.settess(gltess);
globe.setscale(1.0);
globe.setdynscale(glscale);
globe.setZscale(glzscale);
disableRGBAwriting();
globe.render();
enableRGBAwriting();
initstate();
// render ecef z-axis:
linewidth(2);
enablelinesmooth();
static const miniv3d zacolor(0.25, 0.25, 0.5);
color(zacolor);
renderline(miniv3d(0.0, 0.0, -1.1*getorbradius()),
miniv3d(0.0, 0.0, -getorbradius()));
renderline(miniv3d(0.0, 0.0, getorbradius()),
miniv3d(0.0, 0.0, 1.1*getorbradius()));
// render equator:
linewidth(1);
disableZwriting();
static const int eqlines = 100;
static const miniv3d eqcolor(0.25, 0.25, 0.25);
color(eqcolor);
for (int i=0; i<=eqlines; i++)
{
minicoord c(miniv3d((double)i/eqlines*360*3600, 0.0, 0.0),minicoord::MINICOORD_LLH);
c.convert2(minicoord::MINICOORD_ECEF);
static minicoord c0;
if (i>0) renderline(c0.vec, c.vec);
c0 = c;
}
enableZwriting();
disablelinesmooth();
exitstate();
}
void * trender(void * a)
{
referenceUnusedParameter(a);
for(;;)
{
Sleep(1);
pthread_mutex_lock(&mrenderline);
if(rendernextline < 0 || rendernextline >= h)
{
pthread_mutex_unlock(&mrenderline);
continue;
}
else
{
pthread_mutex_lock(&mrenderworking);
renderworking++;
pthread_mutex_unlock(&mrenderworking);
for(;;)
{
int line = rendernextline;
if(rendernextline < 0 || rendernextline >= h)
{
pthread_mutex_unlock(&mrenderline);
break;
}
rendernextline++;
pthread_mutex_unlock(&mrenderline);
renderline(line);
pthread_mutex_lock(&mrenderline);
}
}
pthread_mutex_lock(&mrenderworking);
renderworking--;
pthread_mutex_unlock(&mrenderworking);
}
}
// signpost rendering method
void minipointrndr_signpost::render(minipointdata *vpoint,int pass)
{
const int maxinfo=1000;
static char info[maxinfo];
float range;
float sheight,ssize;
float sturn,syon;
float salpha;
// mark waypoint with a post
if (pass==1)
{
sheight=GLOBAL->signpostheight;
if (vpoint->opts!=NULL)
if (vpoint->opts->signpostheight>0.0f) sheight=vpoint->opts->signpostheight*SCALEELEV;
renderline(vpoint->x,vpoint->height,-vpoint->y,vpoint->x,vpoint->height+sheight,-vpoint->y);
}
// label waypoint within range
else if (pass==2)
{
// calculate maximum range
range=GLOBAL->signpostrange;
if (vpoint->opts!=NULL)
if (vpoint->opts->signpostrange>0.0f) range=vpoint->opts->signpostrange*SCALEELEV;
// check distance
if (POINTS->getdistance2(EX,EZ,EY,vpoint)>fsqr(range)) return;
// get global waypoint parameters
ssize=GLOBAL->signpostsize;
sheight=GLOBAL->signpostheight;
sturn=GLOBAL->signpostturn;
syon=GLOBAL->signpostincline;
salpha=GLOBAL->signpostalpha;
// get optional waypoint parameters
if (vpoint->opts!=NULL)
{
if (vpoint->opts->signpostsize>0.0f) ssize=vpoint->opts->signpostsize*SCALEELEV;
if (vpoint->opts->signpostheight>0.0f) sheight=vpoint->opts->signpostheight*SCALEELEV;
if (vpoint->opts->signpostnoauto)
{
sturn=vpoint->opts->signpostturn;
syon=vpoint->opts->signpostincline;
}
if (vpoint->opts->signpostalpha>0.0f) salpha=vpoint->opts->signpostalpha;
}
// compile label information of waypoint within range
if (vpoint==NEAREST)
{
if (vpoint->zone==0)
snprintf(info,maxinfo,"\n %s \n\n Lat=%s Lon=%s \n Elev=%s \n",
vpoint->desc,
vpoint->latitude,vpoint->longitude,
vpoint->elevation);
else
snprintf(info,maxinfo,"\n %s \n\n %s East=%s North=%s \n Elev=%s \n",
vpoint->desc,
vpoint->system,vpoint->longitude,vpoint->latitude,
vpoint->elevation);
salpha=1.0f;
}
else snprintf(info,maxinfo,"\n %s \n",vpoint->desc);
// label waypoint within range
mtxpush();
mtxtranslate(0.0f,sheight,0.0f);
mtxtranslate(vpoint->x,vpoint->height,-vpoint->y);
mtxrotate(-sturn,0.0f,1.0f,0.0f);
mtxrotate(syon,1.0f,0.0f,0.0f);
mtxscale(2.0f*ssize,2.0f*ssize,2.0f*ssize);
mtxtranslate(-0.5f,0.0f,0.0f);
minitext::drawstring(1.0f,240.0f,0.5f,0.5f,1.0f,info,1.0f,salpha);
mtxpop();
// report render size and offset
vpoint->size=0.0f;
vpoint->offset=sheight;
}
}
