データ可視化: ラベルつきの 3D 棒グラフ。本番の GPU で描いた本物の結果と、そのまま動く bpy スクリプト、設定、GPU 秒。スクリプトの URL を scene_url に渡せば同じものが出ます。
| 頼んだ文 | https://render.janction.jp/samples/ex13_bar_chart.py を studio プリセット、1920x1080、128 サンプルで描いて（VALUES を変えれば自分の数字に）。 |
|---|---|
| MCP の呼び出し | render_final(scene_url="https://render.janction.jp/samples/ex13_bar_chart.py", frame_start=1, frame_end=1, samples=128, output="png", width=1920, height=1080, environment="studio") |
| GPU 秒 / 往復 | 5.9 s / 6 s |
| 料金の目安（予定単価） | 0.6 JPY (ベータ中は 0 円) |
| 描いた日 | 2026-10-08 |
| Blender | 5.0 |
| frame_start | 1 |
|---|---|
| frame_end | 1 |
| samples | 128 |
| denoise | True |
| output | png |
| width | 1920 |
| height | 1080 |
| environment | studio |
ex13_bar_chart.py。シーン・カメラ・コマ範囲だけを組み、解像度・サンプル・ノイズ除去・GPU はサービスが決めます。
"""JANCTION Render example 13: a 3D bar chart with month labels (data visualization, one still).
Reproduce: render_final(scene_url="https://render.janction.jp/samples/ex13_bar_chart.py",
width=1920, height=1080, samples=128, environment="studio")
Twelve bars from a list of values, a colour that follows the value, text labels and a title; change
VALUES and LABELS to plot your own numbers.
"""
import math
import random
import bpy
from mathutils import Vector
for ob in list(bpy.data.objects):
bpy.data.objects.remove(ob, do_unlink=True)
scene = bpy.context.scene
scene.frame_start = 1
scene.frame_end = 1
scene.render.fps = 24
random.seed(13)
def material(name, color, roughness=0.5, metallic=0.0, **inputs):
mat = bpy.data.materials.new(name)
mat.use_nodes = True
bsdf = mat.node_tree.nodes["Principled BSDF"]
bsdf.inputs["Base Color"].default_value = (*color, 1.0)
bsdf.inputs["Roughness"].default_value = roughness
bsdf.inputs["Metallic"].default_value = metallic
for key, value in inputs.items():
bsdf.inputs[key].default_value = value
return mat
def smooth(ob):
for p in ob.data.polygons:
p.use_smooth = True
return ob
def add(op, name, mat=None, **kw):
getattr(bpy.ops.mesh, op)(**kw)
ob = bpy.context.object
ob.name = name
if mat is not None:
ob.data.materials.append(mat)
return ob
def text(body, name, mat, location, size=1.0, extrude=0.02, rotation=(math.pi / 2, 0, 0), align="CENTER"):
cu = bpy.data.curves.new(name, type="FONT")
cu.body = body
cu.size = size
cu.extrude = extrude
cu.align_x = align
ob = bpy.data.objects.new(name, cu)
scene.collection.objects.link(ob)
ob.location = location
ob.rotation_euler = rotation
ob.data.materials.append(mat)
return ob
def look_at(ob, target):
ob.rotation_euler = (Vector(target) - ob.location).to_track_quat("-Z", "Y").to_euler()
def camera(location, target, lens=50.0, name="Camera", active=True, fstop=None, focus=None):
data = bpy.data.cameras.new(name)
data.lens = lens
if fstop is not None:
data.dof.use_dof = True
data.dof.aperture_fstop = fstop
data.dof.focus_distance = focus if focus is not None else (Vector(target) - Vector(location)).length
cam = bpy.data.objects.new(name, data)
scene.collection.objects.link(cam)
cam.location = location
look_at(cam, target)
if active:
scene.camera = cam
return cam
def light(name, kind, location, energy, target=None, size=1.0, color=(1.0, 1.0, 1.0)):
data = bpy.data.lights.new(name, kind)
data.energy = energy
data.color = color
if kind == "AREA":
data.size = size
ob = bpy.data.objects.new(name, data)
scene.collection.objects.link(ob)
ob.location = location
if target is not None:
look_at(ob, target)
return ob
def world(color=(0.02, 0.02, 0.03), strength=1.0):
w = bpy.data.worlds.new("World")
w.use_nodes = True
bg = w.node_tree.nodes["Background"]
bg.inputs[0].default_value = (*color, 1.0)
bg.inputs[1].default_value = strength
scene.world = w
return w
VALUES = [12, 18, 15, 22, 27, 31, 29, 35, 40, 38, 44, 51]
LABELS = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]
base = material("Base", (0.92, 0.92, 0.9), roughness=0.6)
ink = material("Ink", (0.1, 0.1, 0.12), roughness=0.5)
plate = add("primitive_cube_add", "Base", base, size=1, location=(0, 0, -0.1))
plate.scale = (8.0, 2.4, 0.1)
vmax = max(VALUES)
for i, (v, lab) in enumerate(zip(VALUES, LABELS)):
t = v / vmax
col = (0.15 + 0.1 * (1 - t), 0.35 + 0.45 * t, 0.9 - 0.5 * t)
m = material(f"Bar{i}", col, roughness=0.35)
h = 0.4 + 5.0 * t
x = -6.9 + i * 1.25
bar = add("primitive_cube_add", f"Bar_{lab}", m, size=1, location=(x, 0, h / 2))
bar.scale = (0.45, 0.45, h / 2)
bev = bar.modifiers.new("Bevel", "BEVEL")
bev.width = 0.04
bev.segments = 3
text(lab, f"Label_{lab}", ink, (x, -1.1, 0.02), size=0.42, extrude=0.01, rotation=(0, 0, 0))
text(str(v), f"Value_{lab}", ink, (x, 0, h + 0.25), size=0.4, extrude=0.01, rotation=(math.pi / 2, 0, 0))
text("Monthly renders (sample data)", "Title", ink, (0, 2.0, 0.02), size=0.7, extrude=0.01, rotation=(0, 0, 0))
camera((2.0, -16.0, 8.0), (0.0, 0.0, 2.0), lens=55)
JANCTION Render v0.4.21 · JasmyLab Inc. · 更新 2026-10-07 · 検証 Blender 5.0, JANCTION Render 0.4.21 · English