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update plotter to add direction of travel arrow and detector info

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Pim Nelissen
2026-03-10 20:45:35 +01:00
parent 938b3a7afc
commit 7dec54fa1c
2 changed files with 62 additions and 6 deletions
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37
src/pg_rad/plotting/landscape_plotter.py
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@ -69,7 +69,7 @@ class LandscapeSlicePlotter:
ax.set_ylabel("Y [m]")
ax.set_title(f"Landscape (top-down, z = {self.z})")
def _draw_path(self, ax, landscape):
def _draw_path(self, ax, landscape: Landscape):
if landscape.path.z <= self.z:
ax.plot(
landscape.path.x_list,
@ -79,6 +79,9 @@ class LandscapeSlicePlotter:
markersize=3,
linewidth=1
)
if len(landscape.path.x_list) >= 2:
ax = self._draw_path_direction_arrow(ax, landscape.path)
else:
logger.warning(
"Path is above the slice height z."
@ -113,3 +116,35 @@ class LandscapeSlicePlotter:
f"Source {s.name} is above slice height z."
"It will not show on the plot."
)
def _draw_path_direction_arrow(self, ax, path) -> Axes:
inset_ax = ax.inset_axes([0.8, 0.1, 0.15, 0.15])
x_start, y_start = path.x_list[0], path.y_list[0]
x_end, y_end = path.x_list[1], path.y_list[1]
dx = x_end - x_start
dy = y_end - y_start
if path.opposite_direction:
dx = -dx
dy = -dy
length = 10
dx_norm = dx / (dx**2 + dy**2)**0.5 * length
dy_norm = dy / (dx**2 + dy**2)**0.5 * length
inset_ax.arrow(
0, 0,
dx_norm, dy_norm,
head_width=5, head_length=5,
fc='red', ec='red',
zorder=4, linewidth=1
)
inset_ax.set_xlim(-2*length, 2*length)
inset_ax.set_ylim(-2*length, 2*length)
inset_ax.set_title("Direction", fontsize=8)
inset_ax.set_xticks([])
inset_ax.set_yticks([])
return ax