i18n/de/skills/create-2d-composition/SKILL.md
2D-Grafiken programmatisch mit SVG-Generierung, Diagramm-Layout-Algorithmen, Bildkomposition und Stapelverarbeitungs-Workflows erstellen. Verwenden beim programmatischen Generieren von Diagrammen, Flussdiagrammen oder Infografiken, beim Erstellen reproduzierbarer wissenschaftlicher Abbildungen, beim Automatisieren der Produktion von Badges oder visuellen Assets, beim Erstellen benutzerdefinierter Diagrammtypen ausserhalb von Standardbibliotheken oder bei der Stapelgenerierung von Grafiken mit Parametervariationen.
npx skillsauth add pjt222/agent-almanac create-2d-compositionInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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2D-Grafiken programmatisch mit SVG-Konstruktion, Diagramm-Layout-Algorithmen, Bildkomposition und Stapelverarbeitungs-Workflows generieren. Umfasst Vektorgrafik-Generierung, Rasterbild-Manipulation, Typografie und automatisierte Produktion von Diagrammen, Schaubildern und Infografiken.
| Eingabe | Typ | Beschreibung | Beispiel |
|---------|-----|--------------|----------|
| Layout-Spezifikation | Konfiguration | Abmessungen, Raender, Rasterlayout | Canvas 800x600px, 20px Raender |
| Visuelle Elemente | Daten/Assets | Formen, Text, Bilder, Datenpunkte | Rechteckkoordinaten, Beschriftungen, Icons |
| Stil-Parameter | CSS/Attribute | Farben, Schriften, Strichstaerken, Deckkraft | fill="#3366cc", stroke-width="2" |
| Datenquellen | Dateien/Arrays | Zu visualisierende oder annotierende Werte | CSV-Daten, JSON-Konfiguration |
| Ausgabeformat | String | SVG, PNG, PDF, Komposit-Formate | output.svg, 300 DPI PNG |
Erforderliche Bibliotheken fuer 2D-Komposition installieren:
# Core libraries
pip install svgwrite pillow cairosvg
# Optional: advanced features
pip install drawsvg reportlab pycairo
# For data-driven graphics
pip install matplotlib numpy pandas
Erwartet: Bibliotheken erfolgreich installiert Bei Fehler: Python-Version pruefen (3.7+), virtuelle Umgebung verwenden, um Konflikte zu vermeiden
SVG mit svgwrite generieren:
import svgwrite
from svgwrite import cm, mm
def create_basic_svg(output_path):
"""Create a simple SVG graphic."""
# Initialize drawing (use mm for precise dimensions)
dwg = svgwrite.Drawing(output_path, size=('180mm', '120mm'), profile='full')
# Add background rectangle
dwg.add(dwg.rect(
insert=(0, 0),
size=('100%', '100%'),
fill='white'
))
# Add shapes
dwg.add(dwg.circle(
center=(90*mm, 60*mm),
r=30*mm,
fill='lightblue',
stroke='navy',
stroke_width=2
))
dwg.add(dwg.rect(
insert=(30*mm, 30*mm),
size=(60*mm, 40*mm),
fill='lightgreen',
stroke='darkgreen',
stroke_width=2,
rx=5, # Rounded corners
ry=5
))
# Add text
dwg.add(dwg.text(
'Example Graphic',
insert=(90*mm, 20*mm),
text_anchor='middle',
font_size='18pt',
font_family='Arial',
fill='black'
))
dwg.save()
print(f"Saved: {output_path}")
Erwartet: SVG-Datei mit Formen und Text generiert Bei Fehler: svgwrite-Version pruefen, sicherstellen, dass das Ausgabeverzeichnis beschreibbar ist
Strukturierte Diagramme mit berechneter Positionierung erstellen:
def create_flowchart(steps, output_path):
"""Generate a flowchart from list of steps."""
dwg = svgwrite.Drawing(output_path, size=('800px', '600px'))
# Layout parameters
box_width = 120
box_height = 60
spacing_y = 100
start_x = 340
start_y = 50
for i, step in enumerate(steps):
y_pos = start_y + i * spacing_y
# Draw box
box = dwg.add(dwg.g(id=f'step_{i}'))
box.add(dwg.rect(
insert=(start_x, y_pos),
size=(box_width, box_height),
fill='lightblue',
stroke='navy',
stroke_width=2,
rx=5,
ry=5
))
# Add text (wrapped if needed)
text_lines = wrap_text(step, max_width=16)
text_y = y_pos + box_height/2 - (len(text_lines)-1) * 7
for j, line in enumerate(text_lines):
box.add(dwg.text(
line,
insert=(start_x + box_width/2, text_y + j*14),
text_anchor='middle',
font_size='12pt',
font_family='Arial',
fill='black'
))
# Draw arrow to next step
if i < len(steps) - 1:
arrow_start_y = y_pos + box_height
arrow_end_y = y_pos + spacing_y
dwg.add(dwg.line(
start=(start_x + box_width/2, arrow_start_y),
end=(start_x + box_width/2, arrow_end_y),
stroke='black',
stroke_width=2,
marker_end=dwg.marker(
id='arrow',
viewBox='0 0 10 10',
refX=5,
refY=5,
markerWidth=6,
markerHeight=6,
orient='auto'
)
))
dwg.save()
def wrap_text(text, max_width=20):
"""Simple text wrapping."""
words = text.split()
lines = []
current_line = []
for word in words:
test_line = ' '.join(current_line + [word])
if len(test_line) <= max_width:
current_line.append(word)
else:
if current_line:
lines.append(' '.join(current_line))
current_line = [word]
if current_line:
lines.append(' '.join(current_line))
return lines
Erwartet: Flussdiagramm mit verbundenen Kaesten und Pfeilen Bei Fehler: Layout-Berechnungen anpassen, Pfeilmarker-Definitionen verifizieren
Mehrere Bilder mit Pillow kombinieren:
from PIL import Image, ImageDraw, ImageFont, ImageFilter
import os
def composite_images(image_paths, output_path, layout='grid'):
"""Composite multiple images into single output."""
# Load images
images = [Image.open(path) for path in image_paths]
if layout == 'grid':
# Calculate grid dimensions
n = len(images)
cols = int(n ** 0.5)
rows = (n + cols - 1) // cols
# Get max dimensions
max_width = max(img.width for img in images)
max_height = max(img.height for img in images)
# Create composite canvas
canvas_width = cols * max_width
canvas_height = rows * max_height
composite = Image.new('RGB', (canvas_width, canvas_height), 'white')
# Paste images
for i, img in enumerate(images):
row = i // cols
col = i % cols
x = col * max_width
y = row * max_height
composite.paste(img, (x, y))
elif layout == 'horizontal':
# Horizontal concatenation
total_width = sum(img.width for img in images)
max_height = max(img.height for img in images)
composite = Image.new('RGB', (total_width, max_height), 'white')
x_offset = 0
for img in images:
composite.paste(img, (x_offset, 0))
x_offset += img.width
elif layout == 'vertical':
# Vertical concatenation
max_width = max(img.width for img in images)
total_height = sum(img.height for img in images)
composite = Image.new('RGB', (max_width, total_height), 'white')
y_offset = 0
for img in images:
composite.paste(img, (0, y_offset))
y_offset += img.height
composite.save(output_path)
print(f"Saved composite: {output_path}")
def add_annotations(image_path, annotations, output_path):
"""Add text annotations to image."""
img = Image.open(image_path)
draw = ImageDraw.Draw(img)
# Load font
try:
font = ImageFont.truetype("Arial.ttf", 24)
except:
font = ImageFont.load_default()
for annotation in annotations:
text = annotation['text']
position = annotation['position']
color = annotation.get('color', 'black')
# Add text shadow for readability
shadow_offset = 2
draw.text(
(position[0] + shadow_offset, position[1] + shadow_offset),
text,
font=font,
fill='white'
)
draw.text(position, text, font=font, fill=color)
img.save(output_path)
Erwartet: Kompositbild mit korrektem Layout erstellt Bei Fehler: Pruefen, dass alle Eingabebilder existieren, Bildmodus-Kompatibilitaet verifizieren
Visualisierungen aus Daten erstellen:
import numpy as np
def create_bar_chart_svg(data, labels, output_path):
"""Generate SVG bar chart from data."""
dwg = svgwrite.Drawing(output_path, size=('600px', '400px'))
# Chart area
margin = 50
chart_width = 500
chart_height = 300
bar_spacing = 10
# Calculate bar dimensions
n_bars = len(data)
bar_width = (chart_width - (n_bars - 1) * bar_spacing) / n_bars
# Scale data to fit chart
max_value = max(data)
scale = chart_height / max_value
# Draw axes
dwg.add(dwg.line(
start=(margin, margin),
end=(margin, margin + chart_height),
stroke='black',
stroke_width=2
))
dwg.add(dwg.line(
start=(margin, margin + chart_height),
end=(margin + chart_width, margin + chart_height),
stroke='black',
stroke_width=2
))
# Draw bars
for i, (value, label) in enumerate(zip(data, labels)):
x = margin + i * (bar_width + bar_spacing)
bar_height = value * scale
y = margin + chart_height - bar_height
# Bar
dwg.add(dwg.rect(
insert=(x, y),
size=(bar_width, bar_height),
fill='steelblue',
stroke='navy',
stroke_width=1
))
# Value label
dwg.add(dwg.text(
f'{value:.1f}',
insert=(x + bar_width/2, y - 5),
text_anchor='middle',
font_size='10pt',
fill='black'
))
# X-axis label
dwg.add(dwg.text(
label,
insert=(x + bar_width/2, margin + chart_height + 20),
text_anchor='middle',
font_size='10pt',
fill='black'
))
dwg.save()
Erwartet: SVG-Balkendiagramm mit skalierten Daten Bei Fehler: Grenzfaelle behandeln (leere Daten, negative Werte), Validierung hinzufuegen
Erstellung mehrerer Grafiken automatisieren:
def batch_generate_badges(users, template_path, output_dir):
"""Generate badge for each user."""
os.makedirs(output_dir, exist_ok=True)
for user in users:
output_path = os.path.join(output_dir, f"{user['id']}_badge.svg")
dwg = svgwrite.Drawing(output_path, size=('300px', '100px'))
# Background
dwg.add(dwg.rect(
insert=(0, 0),
size=('100%', '100%'),
fill='#3366cc',
rx=10,
ry=10
))
# User name
dwg.add(dwg.text(
user['name'],
insert=(150, 40),
text_anchor='middle',
font_size='20pt',
font_weight='bold',
fill='white'
))
# User role
dwg.add(dwg.text(
user['role'],
insert=(150, 70),
text_anchor='middle',
font_size='14pt',
fill='lightblue'
))
dwg.save()
print(f"Generated badge: {output_path}")
Erwartet: Individuelle Grafik fuer jedes Datenelement generiert Bei Fehler: Datenstruktur pruefen, fehlende Felder mit Standardwerten behandeln
SVG nach PNG/PDF fuer verschiedene Verwendungen exportieren:
import cairosvg
def svg_to_png(svg_path, png_path, dpi=300):
"""Convert SVG to PNG with specified DPI."""
# Calculate pixel dimensions from DPI
# Assuming A4 size as example
width_inches = 8.27
height_inches = 11.69
width_px = int(width_inches * dpi)
height_px = int(height_inches * dpi)
cairosvg.svg2png(
url=svg_path,
write_to=png_path,
output_width=width_px,
output_height=height_px
)
print(f"Converted to PNG: {png_path}")
def svg_to_pdf(svg_path, pdf_path):
"""Convert SVG to PDF."""
cairosvg.svg2pdf(url=svg_path, write_to=pdf_path)
print(f"Converted to PDF: {pdf_path}")
Erwartet: Rasterausgabe in der angegebenen Aufloesung generiert Bei Fehler: cairo-Systembibliothek installieren, falls fehlend, SVG-Gueltigkeit pruefen
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