fix week1&2 about imagamagic

docs/Instruction/week01.md

@@ -283,8 +283,14 @@ Tips 2020 [ffmpeg example](https://fabacademy.org/2020/labs/kannai/students/tats
 0.5M   output.jpg
 ```
 
+
 #### imagemagic
-[site](https://imagemagick.org/)
+```
+% cd ~
+% brew install imagemagick
+```
+
+[week2](./week02.md#compress images and videos)
 
 ## The Fab Charter
 

docs/Instruction/week02.md

@@ -56,7 +56,7 @@ and post a description with your design files on your class page
     - [GIMP](https://www.gimp.org/)
     - Photoshop
 
-- vector
+- Vector
     - [Inkscape](https://inkscape.org/)
     - Illustrator
     - CorelDRAW
@@ -64,7 +64,7 @@ and post a description with your design files on your class page
 ### 3D design
 - Fusion360 -> parametric design
 - [OnShape](https://www.onshape.com/en/)
-  - create account link in the email
+    - create account link in the email
 - [Blender](https://www.blender.org/)
     - [Wakayama Univ](https://drive.google.com/file/d/1m2lOC0plHx6fswb_4jUQ_SRqHF8zOAIW/view?usp=sharing)
 - ZBrush
@@ -93,15 +93,22 @@ and post a description with your design files on your class page
 - [imagemagick](https://imagemagick.org/index.php)
     -  [encoding](http://academy.cba.mit.edu/classes/computer_design/image.html)
 ```
-convert PNG to JPG:
-   convert input.png output.jpg
-convert all PNGs to JPGs:
-   mogrify -format jpg *.png
-convert SVG to PNG at 1000 DPI:
-   convert -density 1000 -units PixelsPerInch input.svg output.png
-compress JPG to quality 50% width 1000:
-   convert input.jpg -quality 50% -resize 1000 output.jpg
-compress all JPGs to quality 50% width 1000:
-   mogrify -quality 50% -resize 1000 *.jpg
+//convert PNG to JPG:
+% convert input.png output.jpg
+
+//convert all PNGs to JPGs:
+% mogrify -format jpg *.png
+
+//convert SVG to PNG at 1000 DPI:
+% convert -density 1000 -units PixelsPerInch input.svg output.png
+
+//compress JPG to quality 50% width 1000:
+% convert input.jpg -quality 50% -resize 1000 output.jpg
+
+//compress all JPGs to quality 50% width 1000:
+% mogrify -quality 50% -resize 1000 *.jpg
 ```
+
 - ffmpeg
+
+[week1](./week01.md#ffmpeg)