latex-posters

name	latex-posters
description	Create professional research posters in LaTeX using beamerposter, tikzposter, or baposter. Support for conference presentations, academic posters, and scientific communication. Includes layout design, color schemes, multi-column formats, figure integration, and poster-specific best practices for visual communication.
allowed-tools	["Read","Write","Edit","Bash"]
license	MIT license
metadata	{"skill-author":"K-Dense Inc."}

LaTeX Research Posters

Overview

Research posters are a critical medium for scientific communication at conferences, symposia, and academic events. This skill provides comprehensive guidance for creating professional, visually appealing research posters using LaTeX packages. Generate publication-quality posters with proper layout, typography, color schemes, and visual hierarchy.

When to Use This Skill

This skill should be used when:

• Creating research posters for conferences, symposia, or poster sessions
• Designing academic posters for university events or thesis defenses
• Preparing visual summaries of research for public engagement
• Converting scientific papers into poster format
• Creating template posters for research groups or departments
• Designing posters that comply with specific conference size requirements (A0, A1, 36×48", etc.)
• Building posters with complex multi-column layouts
• Integrating figures, tables, equations, and citations in poster format

Core Capabilities

1. LaTeX Poster Packages

Support for three major LaTeX poster packages, each with distinct advantages. For detailed comparison and package-specific guidance, refer to references/latex_poster_packages.md.

beamerposter:

• Extension of the Beamer presentation class
• Familiar syntax for Beamer users
• Excellent theme support and customization
• Best for: Traditional academic posters, institutional branding

tikzposter:

• Modern, flexible design with TikZ integration
• Built-in color themes and layout templates
• Extensive customization through TikZ commands
• Best for: Colorful, modern designs, custom graphics

baposter:

• Box-based layout system
• Automatic spacing and positioning
• Professional-looking default styles
• Best for: Multi-column layouts, consistent spacing

2. Poster Layout and Structure

Create effective poster layouts following visual communication principles. For comprehensive layout guidance, refer to references/poster_layout_design.md.

Common Poster Sections:

• Header/Title: Title, authors, affiliations, logos
• Introduction/Background: Research context and motivation
• Methods/Approach: Methodology and experimental design
• Results: Key findings with figures and data visualizations
• Conclusions: Main takeaways and implications
• References: Key citations (typically abbreviated)
• Acknowledgments: Funding, collaborators, institutions

Layout Strategies:

• Column-based layouts: 2-column, 3-column, or 4-column grids
• Block-based layouts: Flexible arrangement of content blocks
• Z-pattern flow: Guide readers through content logically
• Visual hierarchy: Use size, color, and spacing to emphasize key points

3. Design Principles for Research Posters

Apply evidence-based design principles for maximum impact. For detailed design guidance, refer to references/poster_design_principles.md.

Typography:

• Title: 72-120pt for visibility from distance
• Section headers: 48-72pt
• Body text: 24-36pt minimum for readability from 4-6 feet
• Use sans-serif fonts (Arial, Helvetica, Calibri) for clarity
• Limit to 2-3 font families maximum

Color and Contrast:

• Use high-contrast color schemes for readability
• Institutional color palettes for branding
• Color-blind friendly palettes (avoid red-green combinations)
• White space is active space—don't overcrowd

Visual Elements:

• High-resolution figures (300 DPI minimum for print)
• Large, clear labels on all figures
• Consistent figure styling throughout
• Strategic use of icons and graphics
• Balance text with visual content (40-50% visual recommended)

Content Guidelines:

• Less is more: 300-800 words total recommended
• Bullet points over paragraphs for scannability
• Clear, concise messaging
• Self-explanatory figures with minimal text explanation
• QR codes for supplementary materials or online resources

4. Standard Poster Sizes

Support for international and conference-specific poster dimensions:

International Standards:

• A0 (841 × 1189 mm / 33.1 × 46.8 inches) - Most common European standard
• A1 (594 × 841 mm / 23.4 × 33.1 inches) - Smaller format
• A2 (420 × 594 mm / 16.5 × 23.4 inches) - Compact posters

North American Standards:

• 36 × 48 inches (914 × 1219 mm) - Common US conference size
• 42 × 56 inches (1067 × 1422 mm) - Large format
• 48 × 72 inches (1219 × 1829 mm) - Extra large

Orientation:

• Portrait (vertical) - Most common, traditional
• Landscape (horizontal) - Better for wide content, timelines

5. Package-Specific Templates

Provide ready-to-use templates for each major package. Templates available in assets/ directory.

beamerposter Templates:

• beamerposter_classic.tex - Traditional academic style
• beamerposter_modern.tex - Clean, minimal design
• beamerposter_colorful.tex - Vibrant theme with blocks

tikzposter Templates:

• tikzposter_default.tex - Standard tikzposter layout
• tikzposter_rays.tex - Modern design with ray theme
• tikzposter_wave.tex - Professional wave-style theme

baposter Templates:

• baposter_portrait.tex - Classic portrait layout
• baposter_landscape.tex - Landscape multi-column
• baposter_minimal.tex - Minimalist design

6. Figure and Image Integration

Optimize visual content for poster presentations:

Best Practices:

• Use vector graphics (PDF, SVG) when possible for scalability
• Raster images: minimum 300 DPI at final print size
• Consistent image styling (borders, captions, sizes)
• Group related figures together
• Use subfigures for comparisons

LaTeX Figure Commands:

% Include graphics package
\usepackage{graphicx}

% Simple figure
\includegraphics[width=0.8\linewidth]{figure.pdf}

% Figure with caption in tikzposter
\block{Results}{
  \begin{tikzfigure}
    \includegraphics[width=0.9\linewidth]{results.png}
  \end{tikzfigure}
}

% Multiple subfigures
\usepackage{subcaption}
\begin{figure}
  \begin{subfigure}{0.48\linewidth}
    \includegraphics[width=\linewidth]{fig1.pdf}
    \caption{Condition A}
  \end{subfigure}
  \begin{subfigure}{0.48\linewidth}
    \includegraphics[width=\linewidth]{fig2.pdf}
    \caption{Condition B}
  \end{subfigure}
\end{figure}

7. Color Schemes and Themes

Provide professional color palettes for various contexts:

Academic Institution Colors:

• Match university or department branding
• Use official color codes (RGB, CMYK, or LaTeX color definitions)

Scientific Color Palettes (color-blind friendly):

• Viridis: Professional gradient from purple to yellow
• ColorBrewer: Research-tested palettes for data visualization
• IBM Color Blind Safe: Accessible corporate palette

Package-Specific Theme Selection:

beamerposter:

\usetheme{Berlin}
\usecolortheme{beaver}

tikzposter:

\usetheme{Rays}
\usecolorstyle{Denmark}

baposter:

\begin{poster}{
  background=plain,
  bgColorOne=white,
  headerColorOne=blue!70,
  textborder=rounded
}

8. Typography and Text Formatting

Ensure readability and visual appeal:

Font Selection:

% Sans-serif fonts recommended for posters
\usepackage{helvet}      % Helvetica
\usepackage{avant}       % Avant Garde
\usepackage{sfmath}      % Sans-serif math fonts

% Set default to sans-serif
\renewcommand{\familydefault}{\sfdefault}

Text Sizing:

% Adjust text sizes for visibility
\setbeamerfont{title}{size=\VeryHuge}
\setbeamerfont{author}{size=\Large}
\setbeamerfont{institute}{size=\normalsize}

Emphasis and Highlighting:

• Use bold for key terms: \textbf{important}
• Color highlights sparingly: \textcolor{blue}{highlight}
• Boxes for critical information
• Avoid italics (harder to read from distance)

9. QR Codes and Interactive Elements

Enhance poster interactivity for modern conferences:

QR Code Integration:

\usepackage{qrcode}

% Link to paper, code repository, or supplementary materials
\qrcode[height=2cm]{https://github.com/username/project}

% QR code with caption
\begin{center}
  \qrcode[height=3cm]{https://doi.org/10.1234/paper}\\
  \small Scan for full paper
\end{center}

Digital Enhancements:

• Link to GitHub repositories for code
• Link to video presentations or demos
• Link to interactive web visualizations
• Link to supplementary data or appendices

10. Compilation and Output

Generate high-quality PDF output for printing or digital display:

Compilation Commands:

# Basic compilation
pdflatex poster.tex

# With bibliography
pdflatex poster.tex
bibtex poster
pdflatex poster.tex
pdflatex poster.tex

# For beamer-based posters
lualatex poster.tex  # Better font support
xelatex poster.tex   # Unicode and modern fonts

Ensuring Full Page Coverage:

Posters should use the entire page without excessive margins. Configure packages correctly:

beamerposter - Full Page Setup:

\documentclass[final,t]{beamer}
\usepackage[size=a0,scale=1.4,orientation=portrait]{beamerposter}

% Remove default beamer margins
\setbeamersize{text margin left=0mm, text margin right=0mm}

% Use geometry for precise control
\usepackage[margin=10mm]{geometry}  % 10mm margins all around

% Remove navigation symbols
\setbeamertemplate{navigation symbols}{}

% Remove footline and headline if not needed
\setbeamertemplate{footline}{}
\setbeamertemplate{headline}{}

tikzposter - Full Page Setup:

\documentclass[
  25pt,                      % Font scaling
  a0paper,                   % Paper size
  portrait,                  % Orientation
  margin=10mm,               % Outer margins (minimal)
  innermargin=15mm,          % Space inside blocks
  blockverticalspace=15mm,   % Space between blocks
  colspace=15mm,             % Space between columns
  subcolspace=8mm            % Space between subcolumns
]{tikzposter}

% This ensures content fills the page

baposter - Full Page Setup:

\documentclass[a0paper,portrait,fontscale=0.285]{baposter}

\begin{poster}{
  grid=false,
  columns=3,
  colspacing=1.5em,          % Space between columns
  eyecatcher=true,
  background=plain,
  bgColorOne=white,
  borderColor=blue!50,
  headerheight=0.12\textheight,  % 12% for header
  textborder=roundedleft,
  headerborder=closed,
  boxheaderheight=2em        % Consistent box header heights
}
% Content here
\end{poster}

Common Issues and Fixes:

Problem: Large white margins around poster

% Fix for beamerposter
\setbeamersize{text margin left=5mm, text margin right=5mm}

% Fix for tikzposter
\documentclass[..., margin=5mm, innermargin=10mm]{tikzposter}

% Fix for baposter - adjust in document class
\documentclass[a0paper, margin=5mm]{baposter}

Problem: Content doesn't fill vertical space

% Use \vfill between sections to distribute space
\block{Introduction}{...}
\vfill
\block{Methods}{...}
\vfill
\block{Results}{...}

% Or manually adjust block spacing
\vspace{1cm}  % Add space between specific blocks

Problem: Poster extends beyond page boundaries

% Check total width calculation
% For 3 columns with spacing:
% Total = 3×columnwidth + 2×colspace + 2×margins
% Ensure this equals \paperwidth

% Debug by adding visible page boundary
\usepackage{eso-pic}
\AddToShipoutPictureBG{
  \AtPageLowerLeft{
    \put(0,0){\framebox(\LenToUnit{\paperwidth},\LenToUnit{\paperheight}){}}
  }
}

Print Preparation:

• Generate PDF/X-1a for professional printing
• Embed all fonts
• Convert colors to CMYK if required
• Check resolution of all images (minimum 300 DPI)
• Add bleed area if required by printer (usually 3-5mm)
• Verify page size matches requirements exactly

Digital Display:

• RGB color space for screen display
• Optimize file size for email/web
• Test readability on different screens

11. PDF Review and Quality Control

CRITICAL: Always review the generated PDF before printing or presenting. Use this systematic checklist:

Step 1: Page Size Verification

# Check PDF dimensions (should match poster size exactly)
pdfinfo poster.pdf | grep "Page size"

# Expected outputs:
# A0: 2384 x 3370 points (841 x 1189 mm)
# 36x48": 2592 x 3456 points
# A1: 1684 x 2384 points (594 x 841 mm)

Step 2: Visual Inspection Checklist

Open PDF at 100% zoom and check:

Layout and Spacing:

• Content fills entire page (no large white margins)
• Consistent spacing between columns
• Consistent spacing between blocks/sections
• All elements aligned properly (use ruler tool)
• No overlapping text or figures
• White space evenly distributed

Typography:

• Title clearly visible and large (72pt+)
• Section headers readable (48-72pt)
• Body text readable at 100% zoom (24-36pt minimum)
• No text cutoff or running off edges
• Consistent font usage throughout
• All special characters render correctly (symbols, Greek letters)

Visual Elements:

• All figures display correctly
• No pixelated or blurry images
• Figure captions present and readable
• Colors render as expected (not washed out or too dark)
• Logos display clearly
• QR codes visible and scannable

Content Completeness:

• Title and authors complete
• All sections present (Intro, Methods, Results, Conclusions)
• References included
• Contact information visible
• Acknowledgments (if applicable)
• No placeholder text remaining (Lorem ipsum, TODO, etc.)

Technical Quality:

• No LaTeX compilation warnings in important areas
• All citations resolved (no [?] marks)
• All cross-references working
• Page boundaries correct (no content cut off)

Step 3: Reduced-Scale Print Test

Essential Pre-Printing Test:

# Create reduced-size test print (25% of final size)
# This simulates viewing full poster from ~8-10 feet

# For A0 poster, print on A4 paper (24.7% scale)
# For 36x48" poster, print on letter paper (~25% scale)

Print Test Checklist:

• Title readable from 6 feet away
• Section headers readable from 4 feet away
• Body text readable from 2 feet away
• Figures clear and understandable
• Colors printed accurately
• No obvious design flaws

Step 4: Digital Quality Checks

Font Embedding Verification:

# Check that all fonts are embedded (required for printing)
pdffonts poster.pdf

# All fonts should show "yes" in "emb" column
# If any show "no", recompile with:
pdflatex -dEmbedAllFonts=true poster.tex

Image Resolution Check:

# Extract image information
pdfimages -list poster.pdf

# Check that all images are at least 300 DPI
# Formula: DPI = pixels / (inches in poster)
# For A0 width (33.1"): 300 DPI = 9930 pixels minimum

File Size Optimization:

# For email/web, compress if needed (>50MB)
gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 \
   -dPDFSETTINGS=/printer -dNOPAUSE -dQUIET -dBATCH \
   -sOutputFile=poster_compressed.pdf poster.pdf

# For printing, keep original (no compression)

Step 5: Accessibility Check

Color Contrast Verification:

• Text-background contrast ratio ≥ 4.5:1 (WCAG AA)
• Important elements contrast ratio ≥ 7:1 (WCAG AAA)
• Test online: https://webaim.org/resources/contrastchecker/

Color Blindness Simulation:

• View PDF through color blindness simulator
• Information not lost with red-green simulation
• Use Coblis (color-blindness.com) or similar tool

Step 6: Content Proofreading

Systematic Review:

• Spell-check all text
• Verify all author names and affiliations
• Check all numbers and statistics for accuracy
• Confirm all citations are correct
• Review figure labels and captions
• Check for typos in headers and titles

Peer Review:

• Ask colleague to review poster
• 30-second test: Can they identify main message?
• 5-minute review: Do they understand conclusions?
• Note any confusing elements

Step 7: Technical Validation

LaTeX Compilation Log Review:

# Check for warnings in .log file
grep -i "warning\|error\|overfull\|underfull" poster.log

# Common issues to fix:
# - Overfull hbox: Text extending beyond margins
# - Underfull hbox: Excessive spacing
# - Missing references: Citations not resolved
# - Missing figures: Image files not found

Fix Common Warnings:

% Overfull hbox (text too wide)
\usepackage{microtype}  % Better spacing
\sloppy  % Allow slightly looser spacing
\hyphenation{long-word}  % Manual hyphenation

% Missing fonts
\usepackage[T1]{fontenc}  % Better font encoding

% Image not found
% Ensure paths are correct and files exist
\graphicspath{{./figures/}{./images/}}

Step 8: Final Pre-Print Checklist

Before Sending to Printer:

• PDF size exactly matches requirements (check with pdfinfo)
• All fonts embedded (check with pdffonts)
• Color mode correct (RGB for screen, CMYK for print if required)
• Bleed area added if required (usually 3-5mm)
• Crop marks visible if required
• Test print completed and reviewed
• File naming clear: [LastName]_[Conference]_Poster.pdf
• Backup copy saved

Printing Specifications to Confirm:

• Paper type (matte vs. glossy)
• Printing method (inkjet, large format, fabric)
• Color profile (provided to printer if required)
• Delivery deadline and shipping address
• Tube or flat packaging preference

Digital Presentation Checklist:

• PDF size optimized (<10MB for email)
• Tested on multiple PDF viewers (Adobe, Preview, etc.)
• Displays correctly on different screens
• QR codes tested and functional
• Alternative formats prepared (PNG for social media)

Review Script (Available in scripts/review_poster.sh):

#!/bin/bash
# Automated poster PDF review script

echo "Poster PDF Quality Check"
echo "======================="

# Check file exists
if [ ! -f "$1" ]; then
    echo "Error: File not found"
    exit 1
fi

echo "File: $1"
echo ""

# Check page size
echo "1. Page Dimensions:"
pdfinfo "$1" | grep "Page size"
echo ""

# Check fonts
echo "2. Font Embedding:"
pdffonts "$1" | head -20
echo ""

# Check file size
echo "3. File Size:"
ls -lh "$1" | awk '{print $5}'
echo ""

# Count pages (should be 1 for poster)
echo "4. Page Count:"
pdfinfo "$1" | grep "Pages"
echo ""

echo 
 
 
 
 

Common PDF Issues and Solutions:

Issue	Cause	Solution
Large white margins	Incorrect margin settings	Reduce margin in documentclass
Content cut off	Exceeds page boundaries	Check total width/height calculations
Blurry images	Low resolution (<300 DPI)	Replace with higher resolution images
Missing fonts	Fonts not embedded	Compile with -dEmbedAllFonts=true
Wrong page size	Incorrect paper size setting	Verify documentclass paper size
Colors look wrong	RGB vs CMYK mismatch	Convert color space for print
File too large (>50MB)	Uncompressed images	Optimize images or compress PDF
QR codes don't work	Too small or low resolution	Minimum 2×2cm, high contrast

11. Common Poster Content Patterns

Effective content organization for different research types:

Experimental Research Poster:

1. Title and authors
2. Introduction: Problem and hypothesis
3. Methods: Experimental design (with diagram)
4. Results: Key findings (2-4 main figures)
5. Conclusions: Main takeaways (3-5 bullet points)
6. Future work (optional)
7. References and acknowledgments

Computational/Modeling Poster:

1. Title and authors
2. Motivation: Problem statement
3. Approach: Algorithm or model (with flowchart)
4. Implementation: Technical details
5. Results: Performance metrics and comparisons
6. Applications: Use cases
7. Code availability (QR code to GitHub)
8. References

Review/Survey Poster:

1. Title and authors
2. Scope: Topic overview
3. Methods: Literature search strategy
4. Key findings: Main themes (organized by category)
5. Trends: Visualizations of publication patterns
6. Gaps: Identified research needs
7. Conclusions: Summary and implications
8. References

12. Accessibility and Inclusive Design

Design posters that are accessible to diverse audiences:

Color Blindness Considerations:

• Avoid red-green combinations (most common color blindness)
• Use patterns or shapes in addition to color
• Test with color-blindness simulators
• Provide high contrast (WCAG AA standard: 4.5:1 minimum)

Visual Impairment Accommodations:

• Large, clear fonts (minimum 24pt body text)
• High contrast text and background
• Clear visual hierarchy
• Avoid complex textures or patterns in backgrounds

Language and Content:

• Clear, concise language
• Define acronyms and jargon
• International audience considerations
• Consider multilingual QR code options for global conferences

13. Poster Presentation Best Practices

Guidance beyond LaTeX for effective poster sessions:

Content Strategy:

• Tell a story, don't just list facts
• Focus on 1-3 main messages
• Use visual abstract or graphical summary
• Leave room for conversation (don't over-explain)

Physical Presentation Tips:

• Bring printed handouts or business cards with QR code
• Prepare 30-second, 2-minute, and 5-minute verbal summaries
• Stand to the side, not blocking the poster
• Engage viewers with open-ended questions

Digital Backups:

• Save poster as PDF on mobile device
• Prepare digital version for email sharing
• Create social media-friendly image version
• Have backup printed copy or digital display option

Workflow for Poster Creation

Stage 1: Planning and Content Development

1. Determine poster requirements:

   • Conference size specifications (A0, 36×48", etc.)
   • Orientation (portrait vs. landscape)
   • Submission deadlines and format requirements

2. Develop content outline:

   • Identify 1-3 core messages
   • Select key figures (typically 3-6 main visuals)
   • Draft concise text for each section (bullet points preferred)
   • Aim for 300-800 words total

3. Choose LaTeX package:

   • beamerposter: If familiar with Beamer, need institutional themes
   • tikzposter: For modern, colorful designs with flexibility
   • baposter: For structured, professional multi-column layouts

Stage 2: Design and Layout

1. Select or create template:

   • Start with provided templates in assets/
   • Customize color scheme to match branding
   • Configure page size and orientation

2. Design layout structure:

   • Plan column structure (2, 3, or 4 columns)
   • Map content flow (typically left-to-right, top-to-bottom)
   • Allocate space for title (10-15%), content (70-80%), footer (5-10%)

3. Set typography:

   • Configure font sizes for different hierarchy levels
   • Ensure minimum 24pt body text
   • Test readability from 4-6 feet distance

Stage 3: Content Integration

1. Create poster header:

   • Title (concise, descriptive, 10-15 words)
   • Authors and affiliations
   • Institution logos (high-resolution)
   • Conference logo if required

2. Populate content sections:

   • Keep text minimal and scannable
   • Use bullet points, not paragraphs
   • Write in active voice
   • Integrate figures with clear captions

3. Add visual elements:

   • High-resolution figures (300 DPI minimum)
   • Consistent styling across all figures
   • Color-coded elements for emphasis
   • QR codes for supplementary materials

4. Include references:

   • Cite key papers only (5-10 references typical)
   • Use abbreviated citation style
   • Consider QR code to full bibliography

Stage 4: Refinement and Testing

1. Review and iterate:

   • Check for typos and errors
   • Verify all figures are high resolution
   • Ensure consistent formatting
   • Confirm color scheme works well together

2. Test readability:

   • Print at 25% scale and read from 2-3 feet (simulates poster from 8-12 feet)
   • Check color on different monitors
   • Verify QR codes function correctly
   • Ask colleague to review

3. Optimize for printing:

   • Embed all fonts in PDF
   • Verify image resolution
   • Check PDF size requirements
   • Include bleed area if required

Stage 5: Compilation and Delivery

1. Compile final PDF:

   pdflatex poster.tex
   # Or for better font support:
   lualatex poster.tex
   

2. Verify output quality:

   • Check all elements are visible and correctly positioned
   • Zoom to 100% and inspect figure quality
   • Verify colors match expectations
   • Confirm PDF opens correctly on different viewers

3. Prepare for printing:

   • Export as PDF/X-1a if required
   • Save backup copies
   • Get test print on regular paper first
   • Order professional printing 2-3 days before deadline

4. Create supplementary materials:

   • Save PNG/JPG version for social media
   • Create handout version (8.5×11" summary)
   • Prepare digital version for email sharing

Integration with Other Skills

This skill works effectively with:

• Scientific Writing: For developing poster content from papers
• Figure Creation: For generating high-quality visualizations
• Literature Review: For contextualizing research
• Data Analysis: For creating result figures and charts

Common Pitfalls to Avoid

Design Mistakes:

• ❌ Too much text (over 1000 words)
• ❌ Font sizes too small (under 24pt body text)
• ❌ Low-contrast color combinations
• ❌ Cluttered layout with no white space
• ❌ Inconsistent styling across sections
• ❌ Poor quality or pixelated images

Content Mistakes:

• ❌ No clear narrative or message
• ❌ Too many research questions or objectives
• ❌ Overuse of jargon without definitions
• ❌ Results without context or interpretation
• ❌ Missing author contact information

Technical Mistakes:

• ❌ Wrong poster dimensions for conference requirements
• ❌ RGB colors sent to CMYK printer (color shift)
• ❌ Fonts not embedded in PDF
• ❌ File size too large for submission portal
• ❌ QR codes too small or not tested

Best Practices:

• ✅ Follow conference size specifications exactly
• ✅ Test print at reduced scale before final printing
• ✅ Use high-contrast, accessible color schemes
• ✅ Keep text minimal and highly scannable
• ✅ Include clear contact information and QR codes
• ✅ Balance text and visuals (40-50% visual content)
• ✅ Proofread carefully (errors are magnified on posters!)

Package Installation

Ensure required LaTeX packages are installed:

# For TeX Live (Linux/Mac)
tlmgr install beamerposter tikzposter baposter

# For MiKTeX (Windows)
# Packages typically auto-install on first use

# Additional recommended packages
tlmgr install qrcode graphics xcolor tcolorbox subcaption

---

Extended Reference: For detailed tool tables, examples, and templates, read REFERENCE.md in this skill directory. The agent can access it via: read skills/latex-posters/REFERENCE.md