Function gmtplot_rect_map_boundary

src/gmt_plot.c:1406–1418

}

GMT_LOCAL void gmtplot_rect_map_boundary (struct GMT_CTRL *GMT, struct PSL_CTRL *PSL, double x0, double y0, double x1, double y1) {
	unsigned int cap = PSL->internal.line_cap;

	gmt_setpen (GMT, &GMT->current.setting.map_frame_pen);
	/* Temporarily change to square cap so rectangular frames have neat corners */
	PSL_setlinecap (PSL, PSL_SQUARE_CAP);

	if (GMT->current.map.frame.side[W_SIDE] & GMT_AXIS_DRAW) PSL_plotsegment (PSL, x0, y0, x0, y1);	/* West */
	if (GMT->current.map.frame.side[E_SIDE] & GMT_AXIS_DRAW) PSL_plotsegment (PSL, x1, y0, x1, y1);	/* East */
	if (GMT->current.map.frame.side[S_SIDE] & GMT_AXIS_DRAW) PSL_plotsegment (PSL, x0, y0, x1, y0);	/* South */
	if (GMT->current.map.frame.side[N_SIDE] & GMT_AXIS_DRAW) PSL_plotsegment (PSL, x0, y1, x1, y1);	/* North */
	PSL_setlinecap (PSL, cap);	/* Reset back to default */
}

/*	GMT_POLAR (S or N) PROJECTION MAP BOUNDARY	*/