Update README for processing specific objects

README.md

@@ -47,6 +47,7 @@ sudo apt-get install imagemagick libcairo2-dev libjpeg-dev libpango1.0-dev libgi
 
 See [SERVER.md](/SERVER.md) for a thorough deployment setup guide.
 
+#### Setup
 ``` bash
 cd process
 
@@ -55,6 +56,11 @@ npm install
 
 cd ..
 
+```
+
+#### Process all
+``` bash
+
 # run script including downloading latest data and processing sprites
 npm run process -- download
 
@@ -68,6 +74,19 @@ npm run process -- sounds
 npm run process
 ```
 
+#### Process specifc objects
+You can selectively process the sprites of specific objects.
+
+This can be useful for local development of Twotech or OneLifeData7.
+
+``` bash
+# Download argument required first run
+npm run process-specific-objects 404 download
+
+# Many objects can be specified
+npm run process-specific-objects 15633,11106,404
+```
+
 ### Processing Script (Docker version)
 
 > Note 1: This is for a Linux machine with Docker installed.