restructure: rename termin to kapitel, flatten folder structure
- rename slide files: YYYY-MM-DD-termin-N-topic.md → NN-topic.md - flatten folders: courses/X/slides/ → slides/X/ - replace "Termin" with "Kapitel" in all content - add klausur extraction script (make klausur) - update Makefile, generate-index.sh, dev-server.sh - add README.md with full documentation
23
CLAUDE.md
@@ -4,8 +4,8 @@ This project builds presentation decks for Marp, supporting multiple courses.
|
||||
|
||||
## Courses
|
||||
|
||||
- **223015b** - Dateiformate, Schnittstellen, Speichermedien (6 Termine)
|
||||
- **223015c** - Internettechnologien (3 Termine)
|
||||
- **223015b** - Dateiformate, Schnittstellen, Speichermedien (6 Kapitel)
|
||||
- **223015c** - Internettechnologien (3 Kapitel)
|
||||
|
||||
## Agent Restrictions
|
||||
|
||||
@@ -15,7 +15,7 @@ This project builds presentation decks for Marp, supporting multiple courses.
|
||||
|
||||
## Critical File Protection
|
||||
|
||||
Slide files in `courses/*/slides/*.md` are main content files:
|
||||
Slide files in `slides/*/*.md` are main content files:
|
||||
- ALLOWED: Adding slides, adjusting content, fixing typos, enhancing sections
|
||||
- FORBIDDEN (without permission): Deleting slides, removing sections, bulk deletions
|
||||
- Before ANY deletion: ALWAYS ask user for confirmation
|
||||
@@ -23,9 +23,9 @@ Slide files in `courses/*/slides/*.md` are main content files:
|
||||
## Project Structure
|
||||
|
||||
```
|
||||
courses/
|
||||
├── 223015b/slides/ # Dateiformate course
|
||||
└── 223015c/slides/ # Internettechnik course
|
||||
slides/
|
||||
├── 223015b/ # Dateiformate course
|
||||
└── 223015c/ # Internettechnik course
|
||||
scripts/ # Shared scripts
|
||||
themes/ # Custom Marp themes
|
||||
build/ # Generated output (gitignored)
|
||||
@@ -34,13 +34,14 @@ build/ # Generated output (gitignored)
|
||||
## Build Commands
|
||||
|
||||
```bash
|
||||
make dev-b # Dev server 223015b (port 1312)
|
||||
make dev-c # Dev server 223015c (port 1313)
|
||||
make dev-b # Dev server 223015b (port 1311)
|
||||
make dev-c # Dev server 223015c (port 1312)
|
||||
make build # Build all courses
|
||||
make build-b # Build 223015b only
|
||||
make build-c # Build 223015c only
|
||||
make html # HTML only
|
||||
make pdf # PDF only
|
||||
make klausur # Extract klausur slides → slides/*/klausur.md
|
||||
make deploy # Deploy all (ASK FIRST!)
|
||||
```
|
||||
|
||||
@@ -56,12 +57,12 @@ nix run .#optimize-img -- <path> # Optimize images
|
||||
## Code Style Guidelines
|
||||
|
||||
### File Structure
|
||||
- Slides in `courses/<course>/slides/`
|
||||
- Assets in `courses/<course>/slides/assets/`
|
||||
- Slides in `slides/<course>/`
|
||||
- Assets in `slides/<course>/assets/`
|
||||
- Always reference images as `./assets/filename.png`
|
||||
|
||||
### Naming Conventions
|
||||
- Slide files: `YYYY-MM-DD-termin-N-topic.md`
|
||||
- Slide files: `NN-topic.md` (e.g., `01-grundlagen.md`)
|
||||
- Images: `snake_case.jpg` or `kebab-case.jpg`
|
||||
|
||||
### Markdown Style
|
||||
|
||||
59
Makefile
@@ -1,11 +1,11 @@
|
||||
# HdM Slides - Unified Makefile
|
||||
# Supports multiple courses: 223015b (Dateiformate) and 223015c (Internettechnik)
|
||||
|
||||
.PHONY: help dev dev-b dev-c build build-b build-c pdf html clean install deploy qr optimize-images
|
||||
.PHONY: help dev dev-b dev-c build build-b build-c pdf html klausur clean install deploy qr optimize-images
|
||||
|
||||
# Course configuration
|
||||
COURSES = 223015b 223015c
|
||||
COURSE_DIR = courses
|
||||
SLIDES_DIR = slides
|
||||
|
||||
# Port configuration (index starts at BASE_PORT, courses increment from there)
|
||||
BASE_PORT = 1310
|
||||
@@ -14,12 +14,12 @@ INDEX_PORT = $(BASE_PORT)
|
||||
# Course-specific settings
|
||||
223015b_NAME = Dateiformate, Schnittstellen, Speichermedien
|
||||
223015b_PORT = 1311
|
||||
223015b_TERMINS = 2025-12-19-termin-0-intro 2025-12-19-termin-1-grundlagen-text-audio 2026-01-09-termin-2-bild-audio-video 2026-01-23-termin-3-speichermedien-schnittstellen 2026-01-30-termin-4-distribution-apis-zukunft 2026-xx-xx-termin-5-vertiefung-offene-fragen
|
||||
223015b_KAPITEL = 00-intro 01-grundlagen-text-audio 02-bild-audio-video 03-speichermedien-schnittstellen 04-distribution-apis-zukunft 05-vertiefung-offene-fragen
|
||||
223015b_DEPLOY_PATH = /home/tengo/html/hdm/223015b
|
||||
|
||||
223015c_NAME = Internettechnologien
|
||||
223015c_PORT = 1312
|
||||
223015c_TERMINS = 2025-12-20-termin-1-geschichte-grundlagen-html 2026-01-10-termin-2-netzwerke-protokolle-css 2026-01-24-termin-3-interaktivitaet-javascript
|
||||
223015c_KAPITEL = 01-geschichte-grundlagen-html 02-netzwerke-protokolle-css 03-interaktivitaet-javascript
|
||||
223015c_DEPLOY_PATH = /home/tengo/html/hdm/223015c
|
||||
|
||||
DEPLOY_HOST = tengo@tuttle.uberspace.de
|
||||
@@ -43,6 +43,7 @@ help:
|
||||
@echo " make build-c - Build 223015c only"
|
||||
@echo " make pdf - Export all to PDF"
|
||||
@echo " make html - Export all to HTML"
|
||||
@echo " make klausur - Extract klausur slides"
|
||||
@echo ""
|
||||
@echo "Tools:"
|
||||
@echo " make qr URL=... - Generate QR code for URL"
|
||||
@@ -74,24 +75,24 @@ dev-kill:
|
||||
dev-b:
|
||||
@echo "Starting 223015b dev server on port $(223015b_PORT)..."
|
||||
@echo "Open: http://localhost:$(223015b_PORT)"
|
||||
PORT=$(223015b_PORT) npx @marp-team/marp-cli --server $(COURSE_DIR)/223015b/slides/
|
||||
PORT=$(223015b_PORT) npx @marp-team/marp-cli --server $(SLIDES_DIR)/223015b/
|
||||
|
||||
dev-c:
|
||||
@echo "Starting 223015c dev server on port $(223015c_PORT)..."
|
||||
@echo "Open: http://localhost:$(223015c_PORT)"
|
||||
PORT=$(223015c_PORT) npx @marp-team/marp-cli --server $(COURSE_DIR)/223015c/slides/
|
||||
PORT=$(223015c_PORT) npx @marp-team/marp-cli --server $(SLIDES_DIR)/223015c/
|
||||
|
||||
# Build functions
|
||||
define build_course
|
||||
@echo "Building $(1)..."
|
||||
@mkdir -p build/$(1)
|
||||
@cp -r $(COURSE_DIR)/$(1)/slides/assets build/$(1)/ 2>/dev/null || true
|
||||
@cp -r $(COURSE_DIR)/$(1)/slides/materials build/$(1)/ 2>/dev/null || true
|
||||
@for f in $($(1)_TERMINS); do \
|
||||
if [ -f "$(COURSE_DIR)/$(1)/slides/$$f.md" ]; then \
|
||||
@cp -r $(SLIDES_DIR)/$(1)/assets build/$(1)/ 2>/dev/null || true
|
||||
@cp -r $(SLIDES_DIR)/$(1)/materials build/$(1)/ 2>/dev/null || true
|
||||
@for f in $($(1)_KAPITEL); do \
|
||||
if [ -f "$(SLIDES_DIR)/$(1)/$$f.md" ]; then \
|
||||
echo " Building $$f..."; \
|
||||
npx @marp-team/marp-cli $(COURSE_DIR)/$(1)/slides/$$f.md -o build/$(1)/$$f.html; \
|
||||
npx @marp-team/marp-cli $(COURSE_DIR)/$(1)/slides/$$f.md --pdf --allow-local-files -o build/$(1)/$$f.pdf; \
|
||||
npx @marp-team/marp-cli $(SLIDES_DIR)/$(1)/$$f.md -o build/$(1)/$$f.html; \
|
||||
npx @marp-team/marp-cli $(SLIDES_DIR)/$(1)/$$f.md --pdf --allow-local-files -o build/$(1)/$$f.pdf; \
|
||||
fi \
|
||||
done
|
||||
@./scripts/generate-index.sh $(1) build/$(1)
|
||||
@@ -110,12 +111,12 @@ build: build-b build-c
|
||||
define html_course
|
||||
@echo "Building HTML for $(1)..."
|
||||
@mkdir -p build/$(1)
|
||||
@cp -r $(COURSE_DIR)/$(1)/slides/assets build/$(1)/ 2>/dev/null || true
|
||||
@cp -r $(COURSE_DIR)/$(1)/slides/materials build/$(1)/ 2>/dev/null || true
|
||||
@for f in $($(1)_TERMINS); do \
|
||||
if [ -f "$(COURSE_DIR)/$(1)/slides/$$f.md" ]; then \
|
||||
@cp -r $(SLIDES_DIR)/$(1)/assets build/$(1)/ 2>/dev/null || true
|
||||
@cp -r $(SLIDES_DIR)/$(1)/materials build/$(1)/ 2>/dev/null || true
|
||||
@for f in $($(1)_KAPITEL); do \
|
||||
if [ -f "$(SLIDES_DIR)/$(1)/$$f.md" ]; then \
|
||||
echo " $$f.html"; \
|
||||
npx @marp-team/marp-cli $(COURSE_DIR)/$(1)/slides/$$f.md -o build/$(1)/$$f.html; \
|
||||
npx @marp-team/marp-cli $(SLIDES_DIR)/$(1)/$$f.md -o build/$(1)/$$f.html; \
|
||||
fi \
|
||||
done
|
||||
@./scripts/generate-index.sh $(1) build/$(1)
|
||||
@@ -133,10 +134,10 @@ html: html-b html-c
|
||||
define pdf_course
|
||||
@echo "Building PDFs for $(1)..."
|
||||
@mkdir -p build/$(1)
|
||||
@for f in $($(1)_TERMINS); do \
|
||||
if [ -f "$(COURSE_DIR)/$(1)/slides/$$f.md" ]; then \
|
||||
@for f in $($(1)_KAPITEL); do \
|
||||
if [ -f "$(SLIDES_DIR)/$(1)/$$f.md" ]; then \
|
||||
echo " $$f.pdf"; \
|
||||
npx @marp-team/marp-cli $(COURSE_DIR)/$(1)/slides/$$f.md --pdf --allow-local-files -o build/$(1)/$$f.pdf; \
|
||||
npx @marp-team/marp-cli $(SLIDES_DIR)/$(1)/$$f.md --pdf --allow-local-files -o build/$(1)/$$f.pdf; \
|
||||
fi \
|
||||
done
|
||||
endef
|
||||
@@ -149,6 +150,16 @@ pdf-c: build/.exists
|
||||
|
||||
pdf: pdf-b pdf-c
|
||||
|
||||
# Klausur slide extraction
|
||||
klausur-b:
|
||||
@./scripts/extract-klausur.sh 223015b
|
||||
|
||||
klausur-c:
|
||||
@./scripts/extract-klausur.sh 223015c
|
||||
|
||||
klausur: klausur-b klausur-c
|
||||
@echo "Klausur slides extracted for all courses!"
|
||||
|
||||
# QR Code generation (uses nix-shell)
|
||||
qr:
|
||||
ifndef URL
|
||||
@@ -174,9 +185,9 @@ ifndef COURSE
|
||||
@echo "Usage: make optimize-images COURSE=223015b"
|
||||
else
|
||||
@echo "Optimizing images for $(COURSE)..."
|
||||
@mkdir -p $(COURSE_DIR)/$(COURSE)/slides/assets-original
|
||||
@nix-shell -p imagemagick --run 'for img in $(COURSE_DIR)/$(COURSE)/slides/assets/*.png $(COURSE_DIR)/$(COURSE)/slides/assets/*.jpg 2>/dev/null; do \
|
||||
[ -f "$$img" ] && cp "$$img" $(COURSE_DIR)/$(COURSE)/slides/assets-original/ && \
|
||||
@mkdir -p $(SLIDES_DIR)/$(COURSE)/assets-original
|
||||
@nix-shell -p imagemagick --run 'for img in $(SLIDES_DIR)/$(COURSE)/assets/*.png $(SLIDES_DIR)/$(COURSE)/assets/*.jpg 2>/dev/null; do \
|
||||
[ -f "$$img" ] && cp "$$img" $(SLIDES_DIR)/$(COURSE)/assets-original/ && \
|
||||
magick "$$img" -resize "1920x>" -quality 85 "$$img" && echo " Optimized: $$(basename $$img)"; \
|
||||
done || true'
|
||||
@echo "Done! Originals in assets-original/"
|
||||
@@ -187,7 +198,7 @@ HDM_DEPLOY_PATH = /home/tengo/html/hdm
|
||||
|
||||
build-index: build/.exists
|
||||
@echo "Building root index..."
|
||||
@echo '<!DOCTYPE html><html lang="de"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>HdM Vorlesungen</title><style>*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Roboto,sans-serif;max-width:720px;margin:0 auto;padding:3rem 1.5rem;background:#fafafa;color:#1d1d1f;line-height:1.5}h1{font-size:2rem;font-weight:600;letter-spacing:-0.02em;margin-bottom:.5rem}.subtitle{color:#86868b;font-size:1rem}.courses{margin-top:2rem;display:flex;flex-direction:column;gap:.75rem}a.course{display:block;background:#fff;border-radius:12px;padding:1.5rem;text-decoration:none;color:inherit;box-shadow:0 1px 3px rgba(0,0,0,0.08);transition:all .2s ease;cursor:pointer}a.course:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,0.12)}.course-label{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.course-b .course-label{color:#1e5f8a}.course-c .course-label{color:#d63384}.course-title{font-size:1.15rem;font-weight:500;color:#1d1d1f;margin:.25rem 0}.course-info{font-size:.85rem;color:#86868b}.section-title{font-size:1rem;font-weight:600;color:#86868b;margin-top:2.5rem;margin-bottom:.75rem}.references{display:flex;flex-direction:column;gap:.75rem}footer{margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid #e5e5e7;color:#86868b;font-size:.85rem}footer a{color:#1d1d1f;text-decoration:none}footer a:hover{text-decoration:underline}.qr-section{margin-top:2.5rem;padding:1.5rem;background:#fff;border-radius:12px;box-shadow:0 1px 3px rgba(0,0,0,0.08);text-align:center}.qr-code{width:100%;height:auto}.qr-url{margin-top:.75rem;font-size:.85rem;color:#86868b}</style></head><body><h1>HdM Vorlesungen</h1><p class="subtitle">Wintersemester 2025/26 · Michael Czechowski</p><div class="courses"><a class="course course-b" href="223015b/"><span class="course-label">223015b</span><div class="course-title">Dateiformate, Schnittstellen, Speichermedien & Distributionswege</div><span class="course-info">6 Termine · Modul "Technik 1"</span></a><a class="course course-c" href="223015c/"><span class="course-label">223015c</span><div class="course-title">Grundlagen IT- und Internettechnik</div><span class="course-info">3 Termine · Modul "Technik 1"</span></a></div><h2 class="section-title">Referenzen</h2><div class="references"><a class="course" href="https://codecrispi.es/"><span class="course-label">Plattform</span><div class="course-title">Code Crispies</div><span class="course-info">Selbstlernplattform</span></a></div><div class="qr-section"><img src="qr-root.svg" alt="QR Code" class="qr-code"><p class="qr-url">https://librete.ch/hdm/</p></div><footer><a href="mailto:mail@librete.ch">Kontakt</a></footer></body></html>' > build/index.html
|
||||
@echo '<!DOCTYPE html><html lang="de"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>HdM Vorlesungen</title><style>*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Roboto,sans-serif;max-width:720px;margin:0 auto;padding:3rem 1.5rem;background:#fafafa;color:#1d1d1f;line-height:1.5}h1{font-size:2rem;font-weight:600;letter-spacing:-0.02em;margin-bottom:.5rem}.subtitle{color:#86868b;font-size:1rem}.courses{margin-top:2rem;display:flex;flex-direction:column;gap:.75rem}a.course{display:block;background:#fff;border-radius:12px;padding:1.5rem;text-decoration:none;color:inherit;box-shadow:0 1px 3px rgba(0,0,0,0.08);transition:all .2s ease;cursor:pointer}a.course:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,0.12)}.course-label{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.course-b .course-label{color:#1e5f8a}.course-c .course-label{color:#d63384}.course-title{font-size:1.15rem;font-weight:500;color:#1d1d1f;margin:.25rem 0}.course-info{font-size:.85rem;color:#86868b}.section-title{font-size:1rem;font-weight:600;color:#86868b;margin-top:2.5rem;margin-bottom:.75rem}.references{display:flex;flex-direction:column;gap:.75rem}footer{margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid #e5e5e7;color:#86868b;font-size:.85rem}footer a{color:#1d1d1f;text-decoration:none}footer a:hover{text-decoration:underline}.qr-section{margin-top:2.5rem;padding:1.5rem;background:#fff;border-radius:12px;box-shadow:0 1px 3px rgba(0,0,0,0.08);text-align:center}.qr-code{width:100%;height:auto}.qr-url{margin-top:.75rem;font-size:.85rem;color:#86868b}</style></head><body><h1>HdM Vorlesungen</h1><p class="subtitle">Wintersemester 2025/26 · Michael Czechowski</p><div class="courses"><a class="course course-b" href="223015b/"><span class="course-label">223015b</span><div class="course-title">Dateiformate, Schnittstellen, Speichermedien & Distributionswege</div><span class="course-info">6 Kapitel · Modul "Technik 1"</span></a><a class="course course-c" href="223015c/"><span class="course-label">223015c</span><div class="course-title">Grundlagen IT- und Internettechnik</div><span class="course-info">3 Kapitel · Modul "Technik 1"</span></a></div><h2 class="section-title">Referenzen</h2><div class="references"><a class="course" href="https://codecrispi.es/"><span class="course-label">Plattform</span><div class="course-title">Code Crispies</div><span class="course-info">Selbstlernplattform</span></a></div><div class="qr-section"><img src="qr-root.svg" alt="QR Code" class="qr-code"><p class="qr-url">https://librete.ch/hdm/</p></div><footer><a href="mailto:mail@librete.ch">Kontakt</a></footer></body></html>' > build/index.html
|
||||
|
||||
# Deploy
|
||||
define deploy_course
|
||||
|
||||
203
README.md
@@ -1,182 +1,95 @@
|
||||
# HdM Slides
|
||||
|
||||
**Modul "Technik 1"** - 1. Semester - Digital- und Medienwirtschaft
|
||||
Hochschule der Medien Stuttgart - Wintersemester 2025/26
|
||||
Presentation slides for HdM Stuttgart courses, built with [Marp](https://marp.app/).
|
||||
|
||||
---
|
||||
## Courses
|
||||
|
||||
## Kurse
|
||||
| Code | Title | Kapitel |
|
||||
|------|-------|---------|
|
||||
| 223015b | Dateiformate, Schnittstellen, Speichermedien | 6 |
|
||||
| 223015c | Internettechnologien | 3 |
|
||||
|
||||
### 223015b - Dateiformate, Schnittstellen, Speichermedien & Distributionswege
|
||||
## Project Structure
|
||||
|
||||
| # | Datum | Thema |
|
||||
|---|-------|-------|
|
||||
| 0 | 19.12.2025 | Intro |
|
||||
| 1 | 19.12.2025 | Grundlagen, Text & Audio |
|
||||
| 2 | 09.01.2026 | Bild- & Videoformate |
|
||||
| 3 | 23.01.2026 | Speichermedien & Schnittstellen |
|
||||
| 4 | 30.01.2026 | Distribution, APIs & Zukunft |
|
||||
| 5 | TBA | Vertiefung & offene Fragen |
|
||||
|
||||
### 223015c - Internettechnologien
|
||||
|
||||
| # | Datum | Thema |
|
||||
|---|-------|-------|
|
||||
| 1 | 20.12.2025 | Geschichte, Grundlagen & HTML |
|
||||
| 2 | 10.01.2026 | Netzwerke, Protokolle & CSS |
|
||||
| 3 | 24.01.2026 | Interaktivitat & JavaScript |
|
||||
|
||||
**Dozent:** Michael Czechowski - mail@librete.ch
|
||||
|
||||
---
|
||||
|
||||
## Quick Start
|
||||
|
||||
### Mit Nix (empfohlen)
|
||||
|
||||
```bash
|
||||
# Development shell mit allen Tools
|
||||
nix develop
|
||||
|
||||
# Oder direkt QR-Code generieren
|
||||
nix run .#qr -- "https://example.com"
|
||||
nix run .#qr-slides -- 223015b
|
||||
```
|
||||
|
||||
### Ohne Nix
|
||||
|
||||
```bash
|
||||
npm install
|
||||
make dev-b # 223015b auf Port 1312
|
||||
make dev-c # 223015c auf Port 1313
|
||||
slides/
|
||||
├── 223015b/ # Dateiformate course
|
||||
│ ├── 00-intro.md
|
||||
│ ├── 01-grundlagen-text-audio.md
|
||||
│ └── ...
|
||||
└── 223015c/ # Internettechnik course
|
||||
├── 01-geschichte-grundlagen-html.md
|
||||
└── ...
|
||||
scripts/ # Build scripts
|
||||
build/ # Generated output (gitignored)
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Development
|
||||
|
||||
### Dev Server starten
|
||||
|
||||
```bash
|
||||
make dev-b # 223015b (Dateiformate) - http://localhost:1312
|
||||
make dev-c # 223015c (Internettechnik) - http://localhost:1313
|
||||
# Start dev servers (hot reload)
|
||||
make dev # All courses + index
|
||||
make dev-b # 223015b only (port 1311)
|
||||
make dev-c # 223015c only (port 1312)
|
||||
```
|
||||
|
||||
### Build
|
||||
## Build
|
||||
|
||||
```bash
|
||||
make build # Alle Kurse (HTML + PDF)
|
||||
make build-b # Nur 223015b
|
||||
make build-c # Nur 223015c
|
||||
make html # Nur HTML
|
||||
make pdf # Nur PDF
|
||||
make build # Build all (HTML + PDF)
|
||||
make build-b # Build 223015b only
|
||||
make build-c # Build 223015c only
|
||||
make html # HTML only
|
||||
make pdf # PDF only
|
||||
```
|
||||
|
||||
### Deploy
|
||||
## Klausur Slides
|
||||
|
||||
Extract exam-relevant slides (marked with `<!-- _class: klausur -->`) into a single file:
|
||||
|
||||
```bash
|
||||
make deploy # Alle Kurse
|
||||
make deploy-b # Nur 223015b
|
||||
make deploy-c # Nur 223015c
|
||||
make klausur # Extract all courses
|
||||
make klausur-b # 223015b only
|
||||
make klausur-c # 223015c only
|
||||
```
|
||||
|
||||
---
|
||||
Output: `slides/<course>/klausur.md`
|
||||
|
||||
The generated file includes:
|
||||
- A title slide per kapitel for orientation
|
||||
- All slides marked with `<!-- _class: klausur -->`
|
||||
|
||||
## Tools
|
||||
|
||||
### QR-Code Generator
|
||||
```bash
|
||||
make qr URL=https://example.com # Generate QR code
|
||||
make qr-slides COURSE=223015b # QR for course URL
|
||||
make optimize-images COURSE=223015b # Resize images
|
||||
```
|
||||
|
||||
## Deploy
|
||||
|
||||
```bash
|
||||
# Mit Nix
|
||||
nix run .#qr -- "https://librete.ch/hdm/223015b/"
|
||||
nix run .#qr -- "https://example.com" output.png
|
||||
|
||||
# Mit Make
|
||||
make qr URL=https://example.com
|
||||
make qr URL=https://example.com OUTPUT=my-qr.png
|
||||
|
||||
# Fur Kurse
|
||||
make qr-slides COURSE=223015b
|
||||
make deploy # Deploy all courses
|
||||
make deploy-b # Deploy 223015b only
|
||||
make deploy-c # Deploy 223015c only
|
||||
```
|
||||
|
||||
### Bilder optimieren
|
||||
## Marking Slides as Klausur-Relevant
|
||||
|
||||
```bash
|
||||
# Mit Nix
|
||||
nix run .#optimize-img -- courses/223015b/slides/assets/
|
||||
|
||||
# Mit Make
|
||||
make optimize-images COURSE=223015b
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Projektstruktur
|
||||
|
||||
```
|
||||
hdm/
|
||||
├── courses/
|
||||
│ ├── 223015b/
|
||||
│ │ └── slides/
|
||||
│ │ ├── 2025-12-19-termin-1-grundlagen-text-audio.md
|
||||
│ │ ├── assets/
|
||||
│ │ └── materials/
|
||||
│ └── 223015c/
|
||||
│ └── slides/
|
||||
│ ├── 2025-12-20-termin-1-geschichte-grundlagen-html.md
|
||||
│ └── assets/
|
||||
├── scripts/
|
||||
│ └── generate-index.sh
|
||||
├── themes/
|
||||
│ └── custom-theme.css
|
||||
├── build/ # Generated output
|
||||
├── flake.nix # Nix flake with tools
|
||||
├── Makefile
|
||||
└── package.json
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Slides erstellen
|
||||
|
||||
### Frontmatter
|
||||
|
||||
```yaml
|
||||
---
|
||||
marp: true
|
||||
theme: uncover
|
||||
paginate: true
|
||||
backgroundColor: #fff
|
||||
---
|
||||
```
|
||||
|
||||
### Slide-Trennung
|
||||
Add this comment block after the slide separator:
|
||||
|
||||
```markdown
|
||||
# Slide 1
|
||||
|
||||
Content
|
||||
|
||||
---
|
||||
|
||||
# Slide 2
|
||||
<!-- _class: klausur -->
|
||||
<!-- _header: '' -->
|
||||
<!-- _footer: '' -->
|
||||
<!-- _backgroundColor: #e3f2fd -->
|
||||
|
||||
More content
|
||||
# Your Slide Title
|
||||
|
||||
Content here...
|
||||
```
|
||||
|
||||
### Bilder
|
||||
|
||||
```markdown
|
||||

|
||||
```
|
||||
|
||||
### Themes
|
||||
|
||||
Built-in: `default`, `gaia`, `uncover`
|
||||
Custom: in `themes/` Verzeichnis
|
||||
|
||||
---
|
||||
|
||||
## License
|
||||
|
||||
[CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)
|
||||
The `klausur` class adds a visual indicator (diagonal stripes) during presentation.
|
||||
|
||||
@@ -8,7 +8,7 @@ set -e
|
||||
INDEX_PORT=1310
|
||||
COURSE_B_PORT=1311
|
||||
COURSE_C_PORT=1312
|
||||
COURSE_DIR="courses"
|
||||
SLIDES_DIR="slides"
|
||||
DEV_INDEX_DIR=".dev-index"
|
||||
|
||||
# Colors
|
||||
@@ -94,12 +94,12 @@ echo ""
|
||||
python3 -m http.server $INDEX_PORT --directory "$DEV_INDEX_DIR" &
|
||||
PID_INDEX=$!
|
||||
|
||||
PORT=$COURSE_B_PORT npx @marp-team/marp-cli --server "$COURSE_DIR/223015b/slides/" &
|
||||
PORT=$COURSE_B_PORT npx @marp-team/marp-cli --server "$SLIDES_DIR/223015b/" &
|
||||
PID_B=$!
|
||||
|
||||
sleep 3 # Stagger starts to avoid WebSocket port collision
|
||||
|
||||
PORT=$COURSE_C_PORT npx @marp-team/marp-cli --server "$COURSE_DIR/223015c/slides/" &
|
||||
PORT=$COURSE_C_PORT npx @marp-team/marp-cli --server "$SLIDES_DIR/223015c/" &
|
||||
PID_C=$!
|
||||
|
||||
# Wait for any process to exit
|
||||
|
||||
112
scripts/extract-klausur.sh
Executable file
@@ -0,0 +1,112 @@
|
||||
#!/usr/bin/env bash
|
||||
# Extract klausur-relevant slides from all kapitel
|
||||
# Usage: ./extract-klausur.sh <course_id>
|
||||
# Output: slides/<course>/klausur.md
|
||||
|
||||
set -e
|
||||
|
||||
COURSE="${1:-223015b}"
|
||||
SLIDES_DIR="slides/$COURSE"
|
||||
OUTPUT_FILE="$SLIDES_DIR/klausur.md"
|
||||
|
||||
# Find the first kapitel file (01-*.md) to copy styles from
|
||||
FIRST_KAPITEL=$(ls "$SLIDES_DIR"/01-*.md 2>/dev/null | head -1)
|
||||
|
||||
if [[ -z "$FIRST_KAPITEL" ]]; then
|
||||
echo "Error: No 01-*.md file found in $SLIDES_DIR"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
echo "Extracting klausur slides for $COURSE..."
|
||||
|
||||
# Extract frontmatter and styles (everything up to first <!-- _class: line after style block)
|
||||
# This gets the YAML frontmatter + <style> block
|
||||
awk '
|
||||
BEGIN { in_frontmatter = 0; in_style = 0; done = 0 }
|
||||
/^---$/ && !in_frontmatter { in_frontmatter = 1; print; next }
|
||||
/^---$/ && in_frontmatter && !in_style { in_frontmatter = 0; print; next }
|
||||
in_frontmatter { print; next }
|
||||
/<style>/ { in_style = 1; print; next }
|
||||
/<\/style>/ { in_style = 0; print; print ""; done = 1; next }
|
||||
in_style { print; next }
|
||||
done { exit }
|
||||
' "$FIRST_KAPITEL" > "$OUTPUT_FILE"
|
||||
|
||||
# Add warning comment
|
||||
cat >> "$OUTPUT_FILE" << 'EOF'
|
||||
<!--
|
||||
╔═══════════════════════════════════════════════════════════════════╗
|
||||
║ AUTO-GENERATED FILE - DO NOT EDIT MANUALLY ║
|
||||
║ ║
|
||||
║ This file is generated by: make klausur ║
|
||||
║ Source: scripts/extract-klausur.sh ║
|
||||
║ ║
|
||||
║ To update, edit the source slides and re-run make klausur ║
|
||||
╚═══════════════════════════════════════════════════════════════════╝
|
||||
-->
|
||||
|
||||
EOF
|
||||
|
||||
# Extract and copy the cover slide (first slide after frontmatter/styles, up to first ---)
|
||||
awk '
|
||||
BEGIN { past_style = 0; in_cover = 0; printed = 0 }
|
||||
/<\/style>/ { past_style = 1; next }
|
||||
past_style && !in_cover && /^[^[:space:]]/ { in_cover = 1 }
|
||||
in_cover && /^---$/ { print "---\n"; exit }
|
||||
in_cover { print }
|
||||
' "$FIRST_KAPITEL" >> "$OUTPUT_FILE"
|
||||
|
||||
# Process each kapitel file in order - extract klausur slides only
|
||||
for md_file in $(ls "$SLIDES_DIR"/[0-9][0-9]-*.md 2>/dev/null | grep -v klausur | sort); do
|
||||
filename=$(basename "$md_file")
|
||||
kapitel_num=$(echo "$filename" | grep -oE '^[0-9]+' | sed 's/^0*//')
|
||||
|
||||
# Skip intro (kapitel 0)
|
||||
if [[ "$kapitel_num" == "0" ]] || [[ -z "$kapitel_num" ]]; then
|
||||
continue
|
||||
fi
|
||||
|
||||
# Check if file has any klausur slides
|
||||
if ! grep -q '<!-- _class: klausur -->' "$md_file"; then
|
||||
continue
|
||||
fi
|
||||
|
||||
echo " Processing Kapitel $kapitel_num..."
|
||||
|
||||
# Extract klausur slides, hide header/footer, convert * to - bullets
|
||||
awk '
|
||||
/<!-- _class: klausur -->/ {
|
||||
in_klausur = 1
|
||||
# Add header/footer hiding
|
||||
print "<!-- _header: \"\" -->"
|
||||
print "<!-- _footer: \"\" -->"
|
||||
print ""
|
||||
next
|
||||
}
|
||||
in_klausur && /^---$/ {
|
||||
print "\n---\n"
|
||||
in_klausur = 0
|
||||
next
|
||||
}
|
||||
in_klausur {
|
||||
# Skip marp directives (we add our own)
|
||||
if (/<!-- _header:/ || /<!-- _footer:/ || /<!-- _backgroundColor:/) next
|
||||
# Convert * bullets to - bullets (avoid fragments)
|
||||
gsub(/^\* /, "- ")
|
||||
gsub(/^ \* /, " - ")
|
||||
gsub(/^ \* /, " - ")
|
||||
print
|
||||
}
|
||||
' "$md_file" >> "$OUTPUT_FILE"
|
||||
|
||||
done
|
||||
|
||||
# Remove trailing --- and empty lines
|
||||
perl -i -0777 -pe 's/\n*---\n*$/\n/' "$OUTPUT_FILE"
|
||||
|
||||
# Count slides
|
||||
slide_count=$(grep -c '^---$' "$OUTPUT_FILE" 2>/dev/null || echo "0")
|
||||
|
||||
echo ""
|
||||
echo "Generated: $OUTPUT_FILE"
|
||||
echo "Total slides: $slide_count"
|
||||
@@ -77,13 +77,13 @@ cat > "$BUILD_DIR/index.html" << HEADER
|
||||
font-size: 0.875rem;
|
||||
margin-top: 0.25rem;
|
||||
}
|
||||
.termine {
|
||||
.kapitel {
|
||||
margin-top: 1.5rem;
|
||||
display: flex;
|
||||
flex-direction: column;
|
||||
gap: 0.75rem;
|
||||
}
|
||||
.termin-card {
|
||||
.kapitel-card {
|
||||
position: relative;
|
||||
background: #fff;
|
||||
border-radius: 12px;
|
||||
@@ -94,31 +94,31 @@ cat > "$BUILD_DIR/index.html" << HEADER
|
||||
align-items: center;
|
||||
gap: 1rem;
|
||||
}
|
||||
.termin-card:hover {
|
||||
.kapitel-card:hover {
|
||||
transform: translateY(-2px);
|
||||
box-shadow: 0 4px 12px rgba(0,0,0,0.12);
|
||||
}
|
||||
.termin-link {
|
||||
.kapitel-link {
|
||||
display: block;
|
||||
padding: 1.25rem 1.5rem;
|
||||
text-decoration: none;
|
||||
color: inherit;
|
||||
grid-column: 1;
|
||||
}
|
||||
.termin-label {
|
||||
.kapitel-label {
|
||||
font-size: 0.7rem;
|
||||
font-weight: 600;
|
||||
color: $ACCENT_COLOR;
|
||||
text-transform: uppercase;
|
||||
letter-spacing: 0.05em;
|
||||
}
|
||||
.termin-title {
|
||||
.kapitel-title {
|
||||
font-size: 1.05rem;
|
||||
font-weight: 500;
|
||||
color: #1d1d1f;
|
||||
margin: 0.15rem 0;
|
||||
}
|
||||
.termin-date {
|
||||
.kapitel-date {
|
||||
font-size: 0.8rem;
|
||||
color: #86868b;
|
||||
}
|
||||
@@ -151,7 +151,7 @@ cat > "$BUILD_DIR/index.html" << HEADER
|
||||
}
|
||||
.btn-pdf:hover { background: #e8e8ed; }
|
||||
/* Make entire card clickable via overlay */
|
||||
.termin-link::after {
|
||||
.kapitel-link::after {
|
||||
content: '';
|
||||
position: absolute;
|
||||
inset: 0;
|
||||
@@ -184,10 +184,10 @@ cat > "$BUILD_DIR/index.html" << HEADER
|
||||
color: #86868b;
|
||||
}
|
||||
@media (max-width: 600px) {
|
||||
.termin-card {
|
||||
.kapitel-card {
|
||||
grid-template-columns: 1fr;
|
||||
}
|
||||
.termin-link {
|
||||
.kapitel-link {
|
||||
padding-bottom: 0.75rem;
|
||||
}
|
||||
.btn-slides, .btn-pdf {
|
||||
@@ -205,14 +205,13 @@ cat > "$BUILD_DIR/index.html" << HEADER
|
||||
<div class="termine">
|
||||
HEADER
|
||||
|
||||
# Generate links for each termin (sorted)
|
||||
for html in $(ls "$BUILD_DIR"/2*.html 2>/dev/null | sort); do
|
||||
# Generate links for each kapitel (sorted)
|
||||
for html in $(ls "$BUILD_DIR"/[0-9][0-9]-*.html 2>/dev/null | sort); do
|
||||
filename=$(basename "$html")
|
||||
|
||||
# Extract components from filename
|
||||
date=$(echo "$filename" | grep -oE '^[0-9]{4}-[0-9x]{2}-[0-9x]{2}')
|
||||
termin_num=$(echo "$filename" | grep -oE 'termin-[0-9]+' | grep -oE '[0-9]+')
|
||||
topic_raw=$(echo "$filename" | sed -E 's/^[0-9]{4}-[0-9x]{2}-[0-9x]{2}-termin-[0-9]+-//' | sed 's/\.html$//')
|
||||
# Extract components from filename (format: NN-topic.html)
|
||||
kapitel_num=$(echo "$filename" | grep -oE '^[0-9]+' | sed 's/^0*//')
|
||||
topic_raw=$(echo "$filename" | sed -E 's/^[0-9]+-//' | sed 's/\.html$//')
|
||||
|
||||
# Look up nice topic name or fallback
|
||||
topic="${TOPIC_MAP[$topic_raw]}"
|
||||
@@ -220,18 +219,11 @@ for html in $(ls "$BUILD_DIR"/2*.html 2>/dev/null | sort); do
|
||||
topic=$(echo "$topic_raw" | sed 's/-/ /g' | sed 's/.*/\u&/')
|
||||
fi
|
||||
|
||||
# Format date
|
||||
if [[ "$date" =~ ^[0-9]{4}-[0-9]{2}-[0-9]{2}$ ]] && [[ ! "$date" =~ xx ]]; then
|
||||
formatted_date=$(date -d "$date" "+%d. %B %Y" 2>/dev/null || echo "$date")
|
||||
# Handle kapitel number
|
||||
if [[ "$kapitel_num" == "0" ]] || [[ -z "$kapitel_num" ]]; then
|
||||
kapitel_label="Einführung"
|
||||
else
|
||||
formatted_date="Termin folgt"
|
||||
fi
|
||||
|
||||
# Handle termin number
|
||||
if [[ "$termin_num" == "0" ]]; then
|
||||
termin_label="Einführung"
|
||||
else
|
||||
termin_label="Termin $termin_num"
|
||||
kapitel_label="Kapitel $kapitel_num"
|
||||
fi
|
||||
|
||||
pdf_filename="${filename%.html}.pdf"
|
||||
@@ -243,11 +235,10 @@ for html in $(ls "$BUILD_DIR"/2*.html 2>/dev/null | sort); do
|
||||
fi
|
||||
|
||||
cat >> "$BUILD_DIR/index.html" << LINK
|
||||
<div class="termin-card">
|
||||
<a href="$filename" class="termin-link">
|
||||
<div class="termin-label">$termin_label</div>
|
||||
<div class="termin-title">$topic</div>
|
||||
<div class="termin-date">$formatted_date</div>
|
||||
<div class="kapitel-card">
|
||||
<a href="$filename" class="kapitel-link">
|
||||
<div class="kapitel-label">$kapitel_label</div>
|
||||
<div class="kapitel-title">$topic</div>
|
||||
</a>
|
||||
<a href="$filename" class="btn btn-slides">Folien</a>
|
||||
$pdf_link
|
||||
|
||||
@@ -97,7 +97,7 @@ Hochschule der Medien Stuttgart
|
||||
|
||||
<!-- _class: lead -->
|
||||
|
||||
# Termin 3 – 23.01.2026
|
||||
# Kapitel 3 – 23.01.2026
|
||||
## Speichermedien & Schnittstellen
|
||||
|
||||
---
|
||||
@@ -98,7 +98,7 @@ Hochschule der Medien Stuttgart
|
||||
|
||||
<!-- _class: lead -->
|
||||
|
||||
# Termin 4 – 30.01.2026
|
||||
# Kapitel 4 – 30.01.2026
|
||||
## Distribution, APIs & Zukunft
|
||||
|
||||
---
|
||||
@@ -98,7 +98,7 @@ Hochschule der Medien Stuttgart
|
||||
|
||||
<!-- _class: lead -->
|
||||
|
||||
# Termin 5 – TBA
|
||||
# Kapitel 5 – TBA
|
||||
## Vertiefung & Offene Fragen
|
||||
|
||||
---
|
||||
|
Before Width: | Height: | Size: 220 KiB After Width: | Height: | Size: 220 KiB |
|
Before Width: | Height: | Size: 2.0 MiB After Width: | Height: | Size: 2.0 MiB |
|
Before Width: | Height: | Size: 9.2 KiB After Width: | Height: | Size: 9.2 KiB |
|
Before Width: | Height: | Size: 16 KiB After Width: | Height: | Size: 16 KiB |
|
Before Width: | Height: | Size: 425 KiB After Width: | Height: | Size: 425 KiB |
|
Before Width: | Height: | Size: 64 KiB After Width: | Height: | Size: 64 KiB |
|
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563
slides/223015b/klausur.md
Normal file
@@ -0,0 +1,563 @@
|
||||
---
|
||||
marp: true
|
||||
theme: gaia
|
||||
paginate: true
|
||||
backgroundColor: #fff
|
||||
header: "Dateiformate, Schnittstellen, Speichermedien & Distributionswege (223015b)"
|
||||
footer: "Michael Czechowski – HdM Stuttgart"
|
||||
title: Dateiformate, Schnittstellen, Speichermedien & Distributionswege
|
||||
---
|
||||
<style>
|
||||
:root {
|
||||
--color-foreground: #1a1a2e;
|
||||
--color-highlight: #1e5f8a;
|
||||
--color-dimmed: #4a4a6a;
|
||||
}
|
||||
section.invert {
|
||||
--color-foreground: #fff;
|
||||
}
|
||||
section {
|
||||
font-size: 1.7rem;
|
||||
}
|
||||
h1 {
|
||||
color: #1e5f8a;
|
||||
}
|
||||
section.invert h1 {
|
||||
color: #fff;
|
||||
}
|
||||
h2 {
|
||||
color: #1f2937;
|
||||
}
|
||||
pre {
|
||||
background: #0f0f23;
|
||||
color: #5fb3e4;
|
||||
border-radius: 8px;
|
||||
border-left: 3px solid #1e5f8a;
|
||||
}
|
||||
pre code {
|
||||
background: transparent;
|
||||
color: inherit;
|
||||
}
|
||||
code {
|
||||
background: #1a1a2e;
|
||||
color: #5fb3e4;
|
||||
padding: 0.15em 0.4em;
|
||||
border-radius: 4px;
|
||||
}
|
||||
a {
|
||||
color: var(--color-highlight);
|
||||
}
|
||||
section.klausur {
|
||||
background: repeating-linear-gradient(
|
||||
135deg,
|
||||
#e3f2fd,
|
||||
#e3f2fd 40px,
|
||||
#fff 40px,
|
||||
#fff 80px
|
||||
) !important;
|
||||
}
|
||||
@media print {
|
||||
section.klausur {
|
||||
background: #e3f2fd !important;
|
||||
}
|
||||
}
|
||||
section.aufgabe {
|
||||
background: #e3f2fd !important;
|
||||
}
|
||||
section.aufgabe footer {
|
||||
display: none;
|
||||
}
|
||||
</style>
|
||||
|
||||
<!--
|
||||
╔═══════════════════════════════════════════════════════════════════╗
|
||||
║ AUTO-GENERATED FILE - DO NOT EDIT MANUALLY ║
|
||||
║ ║
|
||||
║ This file is generated by: make klausur ║
|
||||
║ Source: scripts/extract-klausur.sh ║
|
||||
║ ║
|
||||
║ To update, edit the source slides and re-run make klausur ║
|
||||
╚═══════════════════════════════════════════════════════════════════╝
|
||||
-->
|
||||
|
||||
<!-- _class: invert -->
|
||||
<!-- _header: '' -->
|
||||
<!-- _backgroundColor: #000 -->
|
||||
|
||||

|
||||
|
||||
# Dateiformate, Schnittstellen, Speichermedien & Distributionswege
|
||||
|
||||
**223015b** · Modul "Technik 1" · 1. Semester
|
||||
Digital- und Medienwirtschaft
|
||||
Hochschule der Medien Stuttgart
|
||||
|
||||
[https://librete.ch/hdm/223015b/](https://librete.ch/hdm/223015b/)
|
||||
|
||||
---
|
||||
|
||||
<!-- _header: "" -->
|
||||
<!-- _footer: "" -->
|
||||
|
||||
|
||||
# Verlustfrei vs. Verlustbehaftet
|
||||
|
||||
| | Verlustfrei (Lossless) | Verlustbehaftet (Lossy) |
|
||||
|---|---|---|
|
||||
| **Prinzip** | **Redundanz** entfernen | **Irrelevanz** entfernen |
|
||||
| **Reversibel** | Ja (Original wiederherstellbar) | Nein (Information unwiederbringlich weg) |
|
||||
| **Reduktion** | 30-50% | 80-99% |
|
||||
| **Formate** | ZIP, PNG, FLAC, GIF | JPEG, MP3, H.264/H.265 |
|
||||
|
||||
**Faustregel:**
|
||||
- Medien für Endnutzer → Lossy oft akzeptabel
|
||||
- Quellmaterial, Code, Archive → Lossless nötig
|
||||
|
||||
<!--
|
||||
REDUNDANZ: Wiederholende Muster kompakter darstellen (z.B. "AAAA" → "4×A")
|
||||
IRRELEVANZ: Für Menschen nicht wahrnehmbar (Psychoakustik, Psychovisuell)
|
||||
|
||||
KLAUSURRELEVANT:
|
||||
- Verlustfrei = Original 1:1 wiederherstellbar
|
||||
- Verlustbehaftet = Information geht verloren, aber kaum wahrnehmbar
|
||||
- Redundanz vs. Irrelevanz ist der Kernunterschied!
|
||||
-->
|
||||
|
||||
|
||||
---
|
||||
|
||||
<!-- _header: "" -->
|
||||
<!-- _footer: "" -->
|
||||
|
||||
|
||||
# Dateneinheiten
|
||||
|
||||
| Einheit | Bytes | Potenz | Beispiel |
|
||||
|---------|------:|:------:|----------|
|
||||
| **Byte** | 1 | 10⁰ | Farbwerte eines Pixels |
|
||||
| **Kilobyte (KB)** | 1.000 | 10³ | Kleiner Programmcode |
|
||||
| **Megabyte (MB)** | 1 Million | 10⁶ | Textdokument |
|
||||
| **Gigabyte (GB)** | 1 Milliarde | 10⁹ | Kinofilm in FullHD |
|
||||
| **Terabyte (TB)** | 1 Billion | 10¹² | ~12h Video in 4K |
|
||||
| **Petabyte (PB)** | 1 Billiarde | 10¹⁵ | Netflix-Gesamtarchiv |
|
||||
| **Exabyte (EB)** | 1 Trillion | 10¹⁸ | Alle E-Mails weltweit/Tag |
|
||||
| **Zettabyte (ZB)** | 1 Trilliarde | 10²¹ | Internet-Traffic 2016 |
|
||||
|
||||
<!--
|
||||
SI-Präfixe (Dezimal): 1 KB = 1.000 Bytes
|
||||
Binär (IEC): 1 KiB = 1.024 Bytes (Kibibyte)
|
||||
Windows zeigt oft binär, sagt aber "KB" → Verwirrung!
|
||||
1 TB Festplatte = ~931 GiB nutzbar
|
||||
|
||||
Eselsbrücke: "Kilo Mega Giga Tera Peta Exa Zetta Yotta"
|
||||
→ "Komm Mit Großem Tee, Peter Exte Zettelt Yachten"
|
||||
-->
|
||||
|
||||
|
||||
---
|
||||
|
||||
<!-- _header: "" -->
|
||||
<!-- _footer: "" -->
|
||||
|
||||
|
||||
# Der digitale Wendepunkt
|
||||
|
||||
| Jahr | Analog | Digital | Digital-Anteil |
|
||||
|------|--------|---------|----------------|
|
||||
| **1986** | 2,6 EB | 0,02 EB | **1%** |
|
||||
| **2002** | — | — | **50%** (Wendepunkt) |
|
||||
| **2007** | 18 EB | 277 EB | **94%** |
|
||||
|
||||
**Perspektive:**
|
||||
- 1986: "Petabyte" war ein theoretisches Konzept
|
||||
- 2025: ~181 Zettabyte jährlich produziert
|
||||
|
||||
**Magnetband lebt:** LTO-Tapes bleiben günstigstes Archivmedium
|
||||
(AWS Glacier, Film-Archive, Rechenzentren)
|
||||
|
||||
<!--
|
||||
PRÜFUNGSRELEVANT:
|
||||
- Wendepunkt 2002
|
||||
- Speichereinheiten (KB→MB→GB→TB→PB→EB→ZB)
|
||||
- Magnetband als Archivmedium
|
||||
|
||||
QUELLE: Hilbert & López (2011): "The World's Technological Capacity to Store, Communicate, and Compute Information", Science
|
||||
|
||||
METHODIK: 60 analoge + digitale Technologien untersucht (1986-2007)
|
||||
|
||||
WENDEPUNKT 2002: Erstmals mehr digital als analog gespeichert
|
||||
|
||||
ANALOG damals: Bücher, Zeitungen, Vinyl, VHS, Filmrollen, Fotos
|
||||
|
||||
DIGITAL damals: Festplatten, CDs, DVDs, frühe Flash-Speicher
|
||||
|
||||
HEUTE: LTO-9 (2021) speichert 18 TB pro Band, ~$5/TB für Cold Storage
|
||||
|
||||
VERGLEICH: SSD ~$50/TB, HDD ~$15/TB, LTO ~$5/TB
|
||||
|
||||
-->
|
||||
|
||||
|
||||
---
|
||||
|
||||
<!-- _header: "" -->
|
||||
<!-- _footer: "" -->
|
||||
|
||||
|
||||
# Analoge Medien
|
||||
### Distribution: physisch (Kauf, Verleih, Kopie)
|
||||
|
||||
- **Text**
|
||||
- Bücher, Zeitungen, Zeitschriften, Lochkarten
|
||||
- **Bild**
|
||||
- Fotografie (Negativ, Dia, Polaroid), Mikrofilm
|
||||
- **Audio:**
|
||||
- Schallplatte (Vinyl, Schellack), Tonband, Musikkassette
|
||||
- **Video:**
|
||||
- Film (35mm, Super 8), VHS, Betamax
|
||||
|
||||
|
||||
---
|
||||
|
||||
<!-- _header: "" -->
|
||||
<!-- _footer: "" -->
|
||||
|
||||
|
||||
# Digitale Medien
|
||||
### Distribution: Datenträger (CD, USB), Download, Streaming, P2P
|
||||
|
||||
- **Text**
|
||||
- E-Book (PDF, EPUB), Dokumente (TXT, DOCX)
|
||||
- **Bild**
|
||||
- Digitalfoto (JPEG, PNG, RAW, WebP, GIF)
|
||||
- **Audio**
|
||||
- Audiodatei (MP3, FLAC, WAV, AAC, OGG)
|
||||
- **Video**
|
||||
- Videodatei (MP4, MKV, AVI, WebM)
|
||||
|
||||
|
||||
---
|
||||
|
||||
<!-- _header: "" -->
|
||||
<!-- _footer: "" -->
|
||||
|
||||
|
||||
# Digitale Speichermedien
|
||||
|
||||
- **Optische Speicher**
|
||||
- CD, DVD, Blu-ray
|
||||
- **Magnetische Speicher**
|
||||
- Festplatte (HDD), Magnetband (LTO)
|
||||
- **Flash-Speicher**
|
||||
- SSD, USB-Stick, SD-Karte
|
||||
- **Cloud-Speicher**
|
||||
- Dropbox, Google Drive, iCloud, AWS S3
|
||||
|
||||
|
||||
---
|
||||
|
||||
<!-- _header: "" -->
|
||||
<!-- _footer: "" -->
|
||||
|
||||
|
||||
# Rastergrafiken
|
||||
|
||||
**Aufbau:** Liste von Pixeln mit Farbwerten (2D-Array)
|
||||
|
||||
**Speicherbedarf (unkomprimiert):**
|
||||
Breite × Höhe × Farbtiefe (in Bytes)
|
||||
|
||||
**Beispiele:** JPEG, PNG, WebP
|
||||
|
||||
| Bits (Farbtiefe) | Farben | Anwendung |
|
||||
|-----:|-------:|-----------|
|
||||
| 1 | 2 | Schwarz/Weiß (Fax) |
|
||||
| 8 | 256 | Graustufen, GIF |
|
||||
| 24 | 16,7 Mio. | True Color (Standard) |
|
||||
| 32 | 16,7 Mio. + Alpha | Transparenz |
|
||||
|
||||
<!--
|
||||
BERECHNUNG: Breite × Höhe × (Farbtiefe / 8)
|
||||
BEISPIEL: 1920×1080 × 24 Bit = 1920×1080×3 = 6.220.800 Bytes ≈ 6,2 MB
|
||||
|
||||
Farbtiefe erklärt:
|
||||
- 1 Bit: 2^1 = 2 Farben
|
||||
- 8 Bit: 2^8 = 256 Farben
|
||||
- 24 Bit: 2^24 = 16.777.216 Farben (je 8 Bit für R, G, B)
|
||||
- 32 Bit: 24 Bit + 8 Bit Alpha-Kanal
|
||||
-->
|
||||
|
||||
|
||||
---
|
||||
|
||||
<!-- _header: "" -->
|
||||
<!-- _footer: "" -->
|
||||
|
||||
|
||||
# Vektorgrafiken
|
||||
|
||||
**Speicherung als geometrische Primitive:**
|
||||
- Pfade (Bézierkurven mit Kontrollpunkten)
|
||||
- Grundformen (Rechteck, Ellipse, Polygon)
|
||||
- Text (Glyphen als Outlines)
|
||||
|
||||
**SVG-Beispiel:**
|
||||
```xml
|
||||
<circle cx="50" cy="50" r="40" fill="#ff0000"/>
|
||||
```
|
||||
|
||||
<small>SVG beschreibt nicht jeden einzelnen Pixel im Raster, sondern deklariert wie Farben und Formen gesetzt werden.</small>
|
||||
|
||||
<!--
|
||||
Vektorgrafiken beschreiben WAS gezeichnet werden soll.
|
||||
Rastergrafiken beschreiben WIE jeder Pixel aussieht.
|
||||
|
||||
Rendering-Pipeline:
|
||||
Vektordaten → Rasterisierung → Framebuffer → Display
|
||||
|
||||
Beim Skalieren werden einfach die Koordinaten multipliziert.
|
||||
Keine Information geht verloren.
|
||||
-->
|
||||
|
||||
|
||||
---
|
||||
|
||||
<!-- _header: "" -->
|
||||
<!-- _footer: "" -->
|
||||
|
||||
|
||||
# Die Schwächen des Auges
|
||||
|
||||
**Menschen sehen:**
|
||||
- Helligkeit besser als Farbe
|
||||
- Große Flächen besser als feine Details
|
||||
- Niedrige Frequenzen besser als hohe
|
||||
|
||||
**JPEG nutzt das aus:**
|
||||
- Farbauflösung reduzieren (aber Helligkeit behalten)
|
||||
- Glatte Flächen effizient speichern
|
||||
- Hohe Frequenzen (Details) verwerfen
|
||||
|
||||
<!--
|
||||
Das ist die visuelle Entsprechung zur Psychoakustik.
|
||||
|
||||
Das Auge hat mehr Rezeptoren für Helligkeit (Stäbchen)
|
||||
als für Farbe (Zapfen).
|
||||
|
||||
Hohe Frequenzen = schnelle Wechsel = feine Details
|
||||
Niedrige Frequenzen = langsame Wechsel = große Flächen
|
||||
-->
|
||||
|
||||
|
||||
---
|
||||
|
||||
<!-- _header: "" -->
|
||||
<!-- _footer: "" -->
|
||||
|
||||
|
||||

|
||||
|
||||
# JPEG: Schritt 1 – Farbraumkonversion
|
||||
|
||||
**RGB → Y'CbCr** (seltener Y'UV)
|
||||
|
||||
- **Y** = Helligkeit (Luminanz) – Was das Auge am besten sieht
|
||||
- **Cb** = Blau-Gelb-Anteil (Chrominanz)
|
||||
- **Cr** = Rot-Grün-Anteil (Chrominanz)
|
||||
|
||||
**Warum diese Trennung?**
|
||||
Y (Helligkeit) behält volle Auflösung.
|
||||
Cb/Cr (Farbe) kann reduziert werden – Auge merkt es kaum.
|
||||
|
||||
<!--
|
||||
YCbCr ist wie RGB ein Tripel aus 3 Werten pro Pixel.
|
||||
Der Unterschied: Statt Rot-Grün-Blau speichern wir Helligkeit + 2 Farbdifferenzen.
|
||||
|
||||
Die Umrechnung ist reversibel (mathematische Transformation).
|
||||
Der Clou: Jetzt können wir Helligkeit und Farbe getrennt behandeln.
|
||||
-->
|
||||
|
||||
|
||||
---
|
||||
|
||||
<!-- _header: "" -->
|
||||
<!-- _footer: "" -->
|
||||
|
||||
|
||||
# JPEG: Schritt 6 – Huffman-Coding
|
||||
|
||||
**Verlustfreie Kompression der Restwerte**
|
||||
|
||||
**Idee:** Statt fester 8 Bit pro Wert → variable Bitlänge
|
||||
Häufige Werte bekommen kurze Bit-Sequenzen.
|
||||
|
||||
| Zeichen | Häufigkeit | Code (Bit-Sequenz) |
|
||||
|---------|------------|------|
|
||||
| e | 40% | `0` (1 Bit) |
|
||||
| a | 25% | `10` (2 Bit) |
|
||||
| i | 20% | `110` (3 Bit) |
|
||||
| o | 10% | `1110` (4 Bit) |
|
||||
| u | 5% | `1111` (4 Bit) |
|
||||
|
||||
<!--
|
||||
Huffman-Coding ist verlustfrei.
|
||||
Der "Code" ist eine Bit-Sequenz, die das Zeichen eindeutig identifiziert.
|
||||
Weil "e" am häufigsten vorkommt, bekommt es den kürzesten Code.
|
||||
-->
|
||||
|
||||
|
||||
---
|
||||
|
||||
<!-- _header: "" -->
|
||||
<!-- _footer: "" -->
|
||||
|
||||
|
||||
# Container und Codec
|
||||
|
||||
**Container = Das Dateiformat (Beispiel: MP4)**
|
||||
Die "Box", die verschiedene Streams zusammenpackt:
|
||||
- Video-Stream
|
||||
- Audio-Stream(s)
|
||||
- Untertitel
|
||||
- Metadaten
|
||||
|
||||
**Codec = Der Kompressionsalgorithmus (Beispiel: AV1)**
|
||||
Entscheidet, WIE komprimiert wird.
|
||||
|
||||
|
||||
<!--
|
||||
Container ≠ Codec
|
||||
Das ist ein häufiges Missverständnis.
|
||||
|
||||
MP4 ist ein Container, nicht ein Codec.
|
||||
Ein MP4 kann H.264, H.265 oder AV1 enthalten.
|
||||
|
||||
Übrigens: JPEG ist ein Codec (für Bilder), kein Container.
|
||||
Bei Bildern fallen Container und Codec oft zusammen.
|
||||
|
||||
Tools wie MediaInfo zeigen beide Informationen.
|
||||
-->
|
||||
|
||||
|
||||
---
|
||||
|
||||
<!-- _header: "" -->
|
||||
<!-- _footer: "" -->
|
||||
|
||||
|
||||
# H.264 / AVC
|
||||
|
||||
**Advanced Video Coding (2003)**
|
||||
|
||||
**Warum dominant?**
|
||||
- Exzellente Kompression (~100:1 möglich)
|
||||
- Hardware-Support in jedem Gerät seit ~2010
|
||||
- YouTube, Netflix, Blu-ray – alles H.264
|
||||
|
||||
**Features:**
|
||||
- Variable Block-Größen (16×16 bis 4×4)
|
||||
- Deblocking-Filter (reduziert Block-Artefakte)
|
||||
|
||||
<!--
|
||||
H.264 revolutionierte Video-Streaming.
|
||||
Ohne H.264 kein Netflix, kein YouTube in HD.
|
||||
|
||||
Hardware-Decoder bedeutet: Kein CPU-Aufwand, kein Akku-Drain.
|
||||
Selbst billige Smartphones können H.264 abspielen.
|
||||
-->
|
||||
|
||||
|
||||
---
|
||||
|
||||
<!-- _header: "" -->
|
||||
<!-- _footer: "" -->
|
||||
|
||||
|
||||
# AV1: Die offene Zukunft
|
||||
|
||||
**AV1 (2018)**
|
||||
|
||||
**Alliance for Open Media:**
|
||||
Google, Netflix, Amazon, Microsoft, Apple, Mozilla...
|
||||
|
||||
**Eigenschaften:**
|
||||
- 30% besser als H.265
|
||||
- Royalty-free, Open Source
|
||||
- 8K, HDR, hohe Frame-Rates
|
||||
|
||||
**Stand 2025:**
|
||||
YouTube und Netflix nutzen AV1 für 4K/8K
|
||||
Hardware-Encoder in aktuellen GPUs
|
||||
|
||||
<!--
|
||||
AOM = Alliance for Open Media, gegründet 2015.
|
||||
Historisch: Konkurrierende Tech-Giganten vereint.
|
||||
|
||||
Das Ziel: Nie wieder Patent-Chaos wie bei H.265.
|
||||
|
||||
Problem: Encoding ist sehr langsam (10-100× vs. H.264).
|
||||
Hardware-Encoder lösen das zunehmend.
|
||||
-->
|
||||
|
||||
|
||||
---
|
||||
|
||||
<!-- _header: "" -->
|
||||
<!-- _footer: "" -->
|
||||
|
||||
|
||||
# Wann HDD, wann SSD?
|
||||
|
||||
| Anwendung | Empfehlung |
|
||||
|-----------|------------|
|
||||
| Betriebssystem | SSD (NVMe) |
|
||||
| Anwendungen, Spiele | SSD |
|
||||
| Video-Editing (Projekte) | SSD |
|
||||
| Foto-Archiv | HDD oder SSD |
|
||||
| Backup | HDD |
|
||||
| NAS / Server | HDD (oder Mix) |
|
||||
| Cold Storage | HDD oder Band |
|
||||
|
||||
<!--
|
||||
Die Faustregel:
|
||||
- Oft genutzt, schnell gebraucht → SSD
|
||||
- Selten genutzt, viel Kapazität → HDD
|
||||
|
||||
Viele setzen auf beides:
|
||||
Kleine SSD für System + große HDD für Archiv.
|
||||
-->
|
||||
|
||||
|
||||
---
|
||||
|
||||
<!-- _header: "" -->
|
||||
<!-- _footer: "" -->
|
||||
|
||||
|
||||
# Die 3-2-1-Regel
|
||||
|
||||
**3** Kopien eurer Daten
|
||||
(Original + 2 Backups)
|
||||
|
||||
**2** verschiedene Medientypen
|
||||
(z.B. SSD + HDD, oder lokal + Cloud)
|
||||
|
||||
**1** Kopie an anderem Ort
|
||||
(Offsite: Cloud, anderes Gebäude)
|
||||
|
||||
<!--
|
||||
Herkunft: Peter Krogh, "The DAM Book" (2005)
|
||||
|
||||
Warum 3 Kopien?
|
||||
- Original kann kaputt gehen
|
||||
- Backup 1 auch
|
||||
- Backup 2 = Sicherheitspuffer
|
||||
|
||||
Warum 2 Medientypen?
|
||||
- Gleiche Medien haben gleiche Schwachstellen
|
||||
- Batch-Fehler bei HDDs derselben Charge
|
||||
|
||||
Warum 1 Offsite?
|
||||
- Brand/Wasserschaden zerstört alles vor Ort
|
||||
- Ransomware verschlüsselt angeschlossene Laufwerke
|
||||
-->
|
||||
|
Before Width: | Height: | Size: 5.3 MiB After Width: | Height: | Size: 5.3 MiB |
|
Before Width: | Height: | Size: 197 KiB After Width: | Height: | Size: 197 KiB |
@@ -1610,21 +1610,6 @@ Das sind die Werkzeuge, mit denen Profis Netzwerk-Probleme debuggen.
|
||||
|
||||
<!-- _class: lead -->
|
||||
|
||||
# Pause
|
||||
## Danach: CSS
|
||||
|
||||
<!--
|
||||
SPEAKER NOTES:
|
||||
|
||||
Kurze Pause. Nutzt die Zeit, um Fragen zu notieren.
|
||||
|
||||
Nach der Pause: CSS. Das ist weniger abstrakt – ihr werdet Dinge sehen, die passieren.
|
||||
-->
|
||||
|
||||
---
|
||||
|
||||
<!-- _class: lead -->
|
||||
|
||||
# Teil 2: CSS
|
||||
## Webseiten gestalten
|
||||
|
||||
@@ -2099,20 +2084,21 @@ Doppelpunkt zur Unterscheidung von Pseudo-Klassen – aber einfacher Doppelpunkt
|
||||
/* Mobile First: Basis-Styles */
|
||||
.container {
|
||||
padding: 1rem;
|
||||
background: white;
|
||||
}
|
||||
|
||||
/* Ab 768px (Tablet): Anpassungen */
|
||||
@media (min-width: 768px) {
|
||||
.container {
|
||||
padding: 2rem;
|
||||
max-width: 720px;
|
||||
background: red;
|
||||
}
|
||||
}
|
||||
|
||||
/* Ab 1024px (Desktop): Weitere Anpassungen */
|
||||
@media (min-width: 1024px) {
|
||||
.container {
|
||||
max-width: 960px;
|
||||
background: green;
|
||||
}
|
||||
}
|
||||
```
|
||||
@@ -5,7 +5,7 @@ paginate: true
|
||||
backgroundColor: #fff
|
||||
header: "Grundlagen IT- und Internettechnik (223015c)"
|
||||
footer: "Michael Czechowski – HdM Stuttgart – WS 2025/26"
|
||||
title: "Termin 3: Interaktivität & JavaScript"
|
||||
title: "Kapitel 3: Interaktivität & JavaScript"
|
||||
---
|
||||
|
||||
<style>
|
||||
@@ -98,7 +98,7 @@ Hochschule der Medien Stuttgart
|
||||
|
||||
<!-- _class: lead -->
|
||||
|
||||
# Termin 3 – 24.01.2026
|
||||
# Kapitel 3 – 24.01.2026
|
||||
## Interaktivität & JavaScript
|
||||
|
||||
---
|
||||
|
Before Width: | Height: | Size: 2.0 MiB After Width: | Height: | Size: 2.0 MiB |
|
Before Width: | Height: | Size: 926 KiB After Width: | Height: | Size: 926 KiB |
|
Before Width: | Height: | Size: 1.4 MiB After Width: | Height: | Size: 1.4 MiB |
|
Before Width: | Height: | Size: 486 KiB After Width: | Height: | Size: 486 KiB |
|
Before Width: | Height: | Size: 359 KiB After Width: | Height: | Size: 359 KiB |
|
Before Width: | Height: | Size: 3.5 MiB After Width: | Height: | Size: 3.5 MiB |
|
Before Width: | Height: | Size: 78 KiB After Width: | Height: | Size: 78 KiB |
|
Before Width: | Height: | Size: 206 KiB After Width: | Height: | Size: 206 KiB |
|
Before Width: | Height: | Size: 470 KiB After Width: | Height: | Size: 470 KiB |
|
Before Width: | Height: | Size: 106 KiB After Width: | Height: | Size: 106 KiB |
|
Before Width: | Height: | Size: 3.1 MiB After Width: | Height: | Size: 3.1 MiB |
|
Before Width: | Height: | Size: 72 KiB After Width: | Height: | Size: 72 KiB |
|
Before Width: | Height: | Size: 3.5 MiB After Width: | Height: | Size: 3.5 MiB |
|
Before Width: | Height: | Size: 3.2 MiB After Width: | Height: | Size: 3.2 MiB |
|
Before Width: | Height: | Size: 2.5 MiB After Width: | Height: | Size: 2.5 MiB |
|
Before Width: | Height: | Size: 130 KiB After Width: | Height: | Size: 130 KiB |
|
Before Width: | Height: | Size: 111 KiB After Width: | Height: | Size: 111 KiB |