Obst at 13:24, 18 April 2018

2018-04-18T13:24:45Z

Obst: Obst moved page Example: Skyplot of source positions to Skyplot of source positions (xfig example) without leaving a redirect

2018-04-17T09:16:41Z

Obst moved page Example: Skyplot of source positions to Skyplot of source positions (xfig example) without leaving a redirect

Niu: Niu moved page Skyplot of source positions to Example: Skyplot of source positions

2018-04-13T14:31:27Z

Niu moved page Skyplot of source positions to Example: Skyplot of source positions

Niu: Created page with "=== Skyplot of source positions === center

 require("isisscripts");  xfig_new_color ("galactic_col", 0x0000FF); xfig_new_color ("gridcol",..."

2018-04-13T14:21:43Z

Created page with "=== Skyplot of source positions === center <pre> require("isisscripts"); xfig_new_color ("galactic_col", 0x0000FF); xfig_new_color ("gridcol",..."

New page

=== Skyplot of source positions ===

[[File:source_skyplot.png|center]]

<pre>
require("isisscripts");

xfig_new_color ("galactic_col", 0x0000FF);
xfig_new_color ("gridcol", 0x777777);

variable nr_src = 40;
variable src_positions = struct {
ra = urand(nr_src)*360,
dec = asin(urand(nr_src)*2-1)/PI*180
};

variable N = 100; % #steps for axes
variable RA,DEC;

variable plot_width = 24;
variable plot_height = 12;
variable p = xfig_plot_new(plot_width,plot_height);

p.world (-2,2,-1,1);
p.axis(;off);

variable ra_adjust = 0.0;
variable dec_adjust = 0.6;

foreach RA ([-180:180:60])
{
p.plot(Aitoff_projection ( Double_Type[N]+RA , [-90:90:#N]; deg, normalized) ; color="gridcol", width=1);
p.xylabel(Aitoff_projection ( RA, 0 ; deg, normalized),sprintf("%dh",((360-RA)/15) mod 24), ra_adjust, dec_adjust);
}
ra_adjust = -0.6;
dec_adjust = 0.0;
foreach DEC ([-60:60:30])
{
p.plot(Aitoff_projection ( [-180:180:#N], Double_Type[N]+DEC ; deg, normalized) ; color="gridcol", width=1);
p.xylabel(Aitoff_projection ( 0, DEC ; deg, normalized),sprintf("%d$^\\circ$",DEC), ra_adjust, dec_adjust);
}

p.plot(Aitoff_projection ( -src_positions.ra, src_positions.dec ; deg, normalized); sym = "+", fill = 20, size = 0.7, width=3);

p.plot(0.01,0.94; world0, sym = "+", fill = 20, size = 0.7);
p.xylabel(0.03,0.94,"Sources",-0.5,0; world0);

variable ra,dec,i;
variable galactic_col = "gal_plane";
(ra,dec) = RAdec_from_galLB ([0:360:#300],Double_Type[300]);
i = array_sort(pos_modulo(ra-180,360));
p.plot(Aitoff_projection (-ra[0],dec[0]; deg, normalized); color="galactic_col", depth=100, width=1, sym = "x");
ra = ra[i]; dec = dec[i];
p.plot(Aitoff_projection (-ra,dec; deg, normalized); color="galactic_col", depth=100, width=3);
p.xylabel(0.99,0.94,"Galactic Plane",0.5,0; world0,color = "galactic_col");

p.render("source_skyplot.pdf");
</pre>

[[Category:SLxfig]]

Skyplot of source positions (xfig example) - Revision history

Obst at 13:24, 18 April 2018

Obst: Obst moved page Example: Skyplot of source positions to Skyplot of source positions (xfig example) without leaving a redirect

Niu: Niu moved page Skyplot of source positions to Example: Skyplot of source positions

Niu: Created page with "=== Skyplot of source positions === center
require("isisscripts"); xfig_new_color ("galactic_col", 0x0000FF); xfig_new_color ("gridcol",..."

@@ Line 1: / Line 1: @@
 === Skyplot of source positions ===
-[[File:source_skyplot.png|center]]
+[[File:source_skyplot.png|500px]]
 <pre>

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