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Speed up curve plotting

pull/32/head
Cees Bassa 2022-12-20 18:02:08 +01:00
parent 35a21ea5c3
commit af2c2c384e
1 changed files with 8 additions and 3 deletions
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11
rfplot.c
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@ -25,7 +25,7 @@ struct data {
void dec2sex(double x,char *s,int f,int len);
void time_axis(double *mjd,int n,float xmin,float xmax,float ymin,float ymax);
void usage(void);
void plot_traces(struct trace *t,int nsat,float fcen);
void plot_traces(struct trace *t,int nsat,float fcen,float xmin,float xmax);
struct trace fit_trace(struct spectrogram s,struct select sel,int site_id,int graves);
struct trace fit_gaussian_trace(struct spectrogram s,struct select sel,int site_id,int graves);
void convolve(float *y,int n,float *w,int m,float *z);
@ -262,7 +262,7 @@ int main(int argc,char *argv[])
fcen=0.5*(fmax+fmin);
cpgswin(xmin,xmax,fmin-fcen,fmax-fcen);
if (foverlay==1)
plot_traces(t,nsat,fcen);
plot_traces(t,nsat,fcen,xmin,xmax);
fcen=floor(1000*fcen)/1000.0;
sprintf(ylabel,"Frequency - %.3f MHz",fcen);
@ -922,7 +922,7 @@ void usage(void)
}
void plot_traces(struct trace *t,int nsat,float fcen)
void plot_traces(struct trace *t,int nsat,float fcen,float xmin,float xmax)
{
int i,j,flag,textflag;
char text[8];
@ -943,6 +943,11 @@ void plot_traces(struct trace *t,int nsat,float fcen)
// Loop over trace
for (j=0,flag=0,textflag=0;j<t[i].n;j++) {
if ((float) j < xmin)
continue;
if ((float) j > xmax)
continue;
// Plot label for rising sources
if (j>0 && t[i].za[j-1]>90.0 && t[i].za[j]<=90.0)
cpgtext((float) j,(float) t[i].freq[j]-fcen,text);