struct PolygonData *make_fov(double tval,struct RadarNetwork *network,
int id) {
double rho,lat,lon;
int i,rn,bm;
float pnt[2];
int yr,mo,dy,hr,mt;
double sc;
int frang=180;
int rsep=45;
struct PolygonData *ptr=NULL;
struct RadarSite *site=NULL;
TimeEpochToYMDHMS(tval,&yr,&mo,&dy,&hr,&mt,&sc);
ptr=PolygonMake(sizeof(float)*2,NULL);
for (i=0;i<network->rnum;i++) {
if (network->radar[i].status !=1) continue;
if (network->radar[i].id==id) continue;
site=RadarYMDHMSGetSite(&(network->radar[i]),yr,mo,dy,hr,mt,(int) sc);
if (site==NULL) continue;
PolygonAddPolygon(ptr,1);
for (rn=0;rn<=site->maxrange;rn++) {
RPosGeo(0,0,rn,site,frang,rsep,
site->recrise,0,&rho,&lat,&lon);
pnt[0]=lat;
pnt[1]=lon;
PolygonAdd(ptr,pnt);
}
for (bm=1;bm<=site->maxbeam;bm++) {
RPosGeo(0,bm,site->maxrange,site,frang,rsep,
site->recrise,0,&rho,&lat,&lon);
pnt[0]=lat;
pnt[1]=lon;
PolygonAdd(ptr,pnt);
}
for (rn=site->maxrange-1;rn>=0;rn--) {
RPosGeo(0,site->maxbeam,rn,site,frang,rsep,
site->recrise,0,&rho,&lat,&lon);
pnt[0]=lat;
pnt[1]=lon;
PolygonAdd(ptr,pnt);
}
for (bm=site->maxbeam-1;bm>0;bm--) {
RPosGeo(0,bm,0,site,frang,rsep,
site->recrise,0,&rho,&lat,&lon);
pnt[0]=lat;
pnt[1]=lon;
PolygonAdd(ptr,pnt);
}
}
return ptr;
}
struct PolygonData *make_grid(float lonspc,float latspc) {
struct PolygonData *ptr=NULL;
float lat,lon,l;
float pnt[2];
ptr=PolygonMake(2*sizeof(float),NULL);
if (ptr==NULL) return NULL;
for (lat=-90+latspc;lat<90-latspc;lat+=latspc) {
for (lon=0;lon<360;lon+=lonspc) {
PolygonAddPolygon(ptr,1);
pnt[0]=lat;
pnt[1]=lon;
PolygonAdd(ptr,pnt);
for (l=1;l<=latspc;l+=1) {
pnt[0]=lat+l;
PolygonAdd(ptr,pnt);
}
pnt[0]=lat+latspc;
for (l=0;l<=lonspc;l+=1) {
pnt[1]=lon+l;
PolygonAdd(ptr,pnt);
}
pnt[1]=lon+lonspc;
for (l=1;l<=latspc;l+=1) {
pnt[0]=lat+latspc-l;
PolygonAdd(ptr,pnt);
}
pnt[0]=lat;
for (l=1;l<lonspc;l+=1) {
pnt[1]=lon+lonspc-l;
PolygonAdd(ptr,pnt);
}
}
}
return ptr;
}
struct PolygonData *MapSquareClip() {
int n=4;
int i;
float p[]={0,0, 1,0, 1,1, 0,1};
struct PolygonData *clip;
clip=PolygonMake(2*sizeof(float),PolygonXYbbox);
if (clip==NULL) return NULL;
PolygonAddPolygon(clip,1);
for (i=0;i<n;i++) PolygonAdd(clip,&p[2*i]);
return clip;
}
struct PolygonData *MapCircleClip(float step) {
float p[2],r;
struct PolygonData *clip;
clip=PolygonMake(2*sizeof(float),PolygonXYbbox);
if (clip==NULL) return NULL;
PolygonAddPolygon(clip,1);
if (step<1) step=1;
if (step>45) step=45;
for (r=0;r<360;r+=step) {
p[0]=0.5+0.5*cosd(r);
p[1]=0.5+0.5*sind(r);
PolygonAdd(clip,p);
}
return clip;
}
int main(int argc,char *argv[]) {
struct Rplot *rplot=NULL;
float wdt=400,hgt=400;
unsigned int bgcol=0xffffffff;
unsigned int fgcol=0xff000000;
int i,j,k;
int type;
float pnt[2];
float *ptr;
poly=PolygonMake(sizeof(float)*2,PolygonXYbbox);
PolygonAddPolygon(poly,1);
pnt[0]=0.1;
pnt[1]=0.1;
PolygonAdd(poly,pnt,0);
pnt[0]=0.9;
pnt[1]=0.1;
PolygonAdd(poly,pnt,0);
pnt[0]=0.9;
pnt[1]=0.9;
PolygonAdd(poly,pnt,0);
pnt[0]=0.1;
pnt[1]=0.9;
PolygonAdd(poly,pnt,0);
PolygonAddPolygon(poly,2);
pnt[0]=0.2;
pnt[1]=0.2;
PolygonAdd(poly,pnt,0);
pnt[0]=0.8;
pnt[1]=0.2;
PolygonAdd(poly,pnt,0);
pnt[0]=0.5;
pnt[1]=0.4;
PolygonAdd(poly,pnt,0);
pnt[0]=0.5;
pnt[1]=0.6;
PolygonAdd(poly,pnt,1);
pnt[0]=0.8;
pnt[1]=0.8;
PolygonAdd(poly,pnt,0);
pnt[0]=0.2;
pnt[1]=0.8;
PolygonAdd(poly,pnt,0);
rplot=RplotMake();
RplotSetText(rplot,stream,stdout);
RplotMakePlot(rplot,"MapPlotPolygon",wdt,hgt,24);
RplotRectangle(rplot,NULL,0,0,wdt,hgt,
1,bgcol,0x0f,0,NULL);
for (i=0;i<poly->polnum;i++) {
type=PolygonReadType(poly,i);
if (type==1) fgcol=RplotColor(255,0,0,255);
if (type==2) fgcol=RplotColor(0,255,0,255);
k=0;
for (j=0;j<poly->num[i];j++) {
if (PolygonReadOp(poly,i,j) !=0) {
if (k !=0) RplotPolygon(rplot,NULL,0,0,k,fx,fy,t,
0,fgcol,0x0f,2,NULL);
k=0;
}
ptr=(float *) PolygonRead(poly,i,j);
fx[k]=ptr[0]*wdt;
fy[k]=ptr[1]*hgt;
t[k]=0;
k++;
}
if (k !=0) RplotPolygon(rplot,NULL,0,0,k,fx,fy,t,
0,fgcol,0x0f,2,NULL);
}
RplotEndPlot(rplot);
return 0;
}
int main(int argc,char *argv[]) {
struct Rplot *rplot=NULL;
float wdt=400,hgt=400;
unsigned int bgcol=0xffffffff;
unsigned int fgcol=0xff000000;
int i,j;
float x;
float pnt[2];
float *ptr;
poly=PolygonMake(sizeof(float)*2,PolygonXYbbox);
for (x=0.4;x>0.1;x-=0.1) {
PolygonAddPolygon(poly,1);
pnt[0]=0.5-x;
pnt[1]=0.5-x;
PolygonAdd(poly,pnt,0);
pnt[0]=0.5-x;
pnt[1]=0.5+x;
PolygonAdd(poly,pnt,0);
pnt[0]=0.5+x;
pnt[1]=0.5+x;
PolygonAdd(poly,pnt,0);
pnt[0]=0.5+x;
pnt[1]=0.5-x;
PolygonAdd(poly,pnt,0);
}
copy=PolygonCopy(poly);
PolygonFree(poly);
rplot=RplotMake();
RplotSetText(rplot,stream,stdout);
RplotMakeDocument(rplot,"PolygonCopy","1",wdt,hgt,24);
RplotMakePlot(rplot,"PolygonCopy",wdt,hgt,24);
RplotRectangle(rplot,NULL,0,0,wdt,hgt,
1,bgcol,0x0f,0,NULL);
for (i=0;i<copy->polnum;i++) {
fgcol=RplotColor(239-i*16,239-i*16,239-i*16,255);
for (j=0;j<copy->num[i];j++) {
ptr=(float *) PolygonRead(copy,i,j);
fx[j]=ptr[0]*wdt;
fy[j]=ptr[1]*hgt;
t[j]=0;
}
RplotPolygon(rplot,NULL,0,0,copy->num[i],fx,fy,t,
1,fgcol,0x0f,0,NULL);
}
RplotEndPlot(rplot);
RplotEndDocument(rplot);
return 0;
}
struct PolygonData *SZATerminator(int yr,int mo,int dy,int hr,int mt,int sc,
int flg,int mode,float step,
float zenith) {
double cval[1]={102};
struct PolygonData **ctr;
struct PolygonData *trm=NULL;
if (zenith !=0) cval[0]=zenith;
if (flg==0) {
struct PolygonData *ptr=NULL;
float pp[2],lon;
float *p,*o;
int n;
int asc=0;
int dsc=0;
int num;
ctr=SZAContour(yr,mo,dy,hr,mt,sc,0,mode,step,1,cval);
ptr=ctr[0];
num=ptr->num[0];
trm=PolygonMake(sizeof(float)*2,NULL);
PolygonAddPolygon(trm,1);
p=PolygonRead(ptr,0,0);
PolygonAdd(trm,p);
PolygonAddPolygon(trm,2);
for (n=1;n<num;n++) {
o=PolygonRead(ptr,0,n-1);
p=PolygonRead(ptr,0,n);
PolygonAdd(trm,p);
if ((o[0]<0) && (p[0]>0)) asc=n;
if ((o[0]>0) && (p[0]<0)) dsc=n;
}
trm=PolygonMake(sizeof(float)*2,NULL);
n=asc;
PolygonAddPolygon(trm,2);
p=PolygonRead(ptr,0,n);
lon=SZARound(p[1]);
if (lon>=180) lon-=360;
while (n !=dsc) {
p=PolygonRead(ptr,0,n);
PolygonAdd(trm,p);
n++;
if (n>=num) n=0;
}
pp[0]=0;
pp[1]=p[1];
PolygonAdd(trm,pp);
pp[1]=SZARound(p[1]);
do {
PolygonAdd(trm,pp);
pp[1]--;
if (pp[1]<-180) pp[1]+=360;
} while (pp[1] != lon);
p=PolygonRead(ptr,0,n);
lon=SZARound(p[1]);
if (lon>=180) lon-=180;
PolygonAddPolygon(trm,2);
while (n !=asc) {
p=PolygonRead(ptr,0,n);
PolygonAdd(trm,p);
n++;
if (n>=num) n=0;
}
pp[0]=0;
pp[1]=p[1];
PolygonAdd(trm,pp);
pp[1]=SZARound(p[1]);
do {
PolygonAdd(trm,pp);
pp[1]++;
if (pp[1]>=180) pp[1]-=360;
} while (pp[1] != lon);
ContourFree(1,ctr);
} else {
int num,n=0;
float *p;
struct PolygonData *ptr=NULL;
ctr=SZAContour(yr,mo,dy,hr,mt,sc,flg,mode,step,1,cval);
ptr=ctr[0];
num=ptr->num[0];
trm=PolygonMake(sizeof(float)*2,NULL);
PolygonAddPolygon(trm,1);
for (n=0;n<num;n++) {
p=PolygonRead(ptr,0,n);
PolygonAdd(trm,p);
}
PolygonAddPolygon(trm,2);
for (n=0;n<num;n++) {
p=PolygonRead(ptr,0,n);
PolygonAdd(trm,p);
}
ContourFree(1,ctr);
}
return trm;
}
int main(int argc,char *argv[]) {
struct Rplot *rplot=NULL;
float wdt=400,hgt=400;
unsigned int bgcol=0xffffffff;
unsigned int fgcol=0xff000000;
int i,j;
int type;
float pnt[2];
float *ptr;
float arg[1];
poly=PolygonMake(sizeof(float)*2,PolygonXYbbox);
PolygonAddPolygon(poly,1);
pnt[0]=0.1;
pnt[1]=0.1;
PolygonAdd(poly,pnt,0);
pnt[0]=0.9;
pnt[1]=0.1;
PolygonAdd(poly,pnt,0);
pnt[0]=0.9;
pnt[1]=0.9;
PolygonAdd(poly,pnt,0);
pnt[0]=0.1;
pnt[1]=0.9;
PolygonAdd(poly,pnt,0);
PolygonAddPolygon(poly,2);
pnt[0]=0.2;
pnt[1]=0.5;
PolygonAdd(poly,pnt,0);
pnt[0]=0.5;
pnt[1]=0.2;
PolygonAdd(poly,pnt,0);
pnt[0]=0.8;
pnt[1]=0.5;
PolygonAdd(poly,pnt,0);
pnt[0]=0.5;
pnt[1]=0.8;
PolygonAdd(poly,pnt,0);
arg[0]=30.0;
npoly=PolygonTransform(poly,sizeof(float)*2,PolygonXYbbox,rotate,arg);
rplot=RplotMake();
RplotSetText(rplot,stream,stdout);
RplotMakeDocument(rplot,"PolygonTransform","1",wdt,hgt,24);
RplotMakePlot(rplot,"PolygonTransform",wdt,hgt,24);
RplotRectangle(rplot,NULL,0,0,wdt,hgt,
1,bgcol,0x0f,0,NULL);
for (i=0;i<npoly->polnum;i++) {
type=PolygonReadType(npoly,i);
if (type==1) fgcol=RplotColor(255,0,0,255);
if (type==2) fgcol=RplotColor(0,255,0,255);
for (j=0;j<npoly->num[i];j++) {
ptr=(float *) PolygonRead(npoly,i,j);
fx[j]=ptr[0]*wdt;
fy[j]=ptr[1]*hgt;
t[j]=0;
}
RplotPolygon(rplot,NULL,0,0,npoly->num[i],fx,fy,t,
1,fgcol,0x0f,0,NULL);
}
RplotEndPlot(rplot);
RplotEndDocument(rplot);
return 0;
}