From fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 Mon Sep 17 00:00:00 2001 From: Joseph Hunkeler Date: Wed, 8 Jul 2015 20:46:52 -0400 Subject: Initial commit --- pkg/xtools/ranges/rggxmarkd.x | 52 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 pkg/xtools/ranges/rggxmarkd.x (limited to 'pkg/xtools/ranges/rggxmarkd.x') diff --git a/pkg/xtools/ranges/rggxmarkd.x b/pkg/xtools/ranges/rggxmarkd.x new file mode 100644 index 00000000..82eb49db --- /dev/null +++ b/pkg/xtools/ranges/rggxmarkd.x @@ -0,0 +1,52 @@ +# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc. + +include +include + +# RG_GXMARK -- Mark x ranges. + +procedure rg_gxmarkd (gp, rstr, x, npts, pltype) + +pointer gp # GIO pointer +char rstr[ARB] # Range string +double x[npts] # Ordinates of graph +int npts # Number of data points +int pltype # Plot line type + +pointer rg +int i, pltype1 +real xl, xr, yb, yt, dy +real x1, x2, y1, y2, y3 + +int gstati(), stridxs() +pointer rg_xrangesd() + +begin + if (stridxs ("*", rstr) > 0) + return + + rg = rg_xrangesd (rstr, x, npts) + + pltype1 = gstati (gp, G_PLTYPE) + call gseti (gp, G_PLTYPE, pltype) + + call ggwind (gp, xl, xr, yb, yt) + + dy = yt - yb + y1 = yb + dy / 100 + y2 = y1 + dy / 20 + y3 = (y1 + y2) / 2 + + do i = 1, RG_NRGS(rg) { + x1 = x[RG_X1(rg, i)] + x2 = x[RG_X2(rg, i)] + if ((x1 > xl) && (x1 < xr)) + call gline (gp, x1, y1, x1, y2) + if ((x2 > xl) && (x2 < xr)) + call gline (gp, x2, y1, x2, y2) + call gline (gp, x1, y3, x2, y3) + } + + call gseti (gp, G_PLTYPE, pltype1) + call rg_free (rg) +end -- cgit