# VSFX 705 ## Setting up ### Cutter for Mac #### Modifying the run file ``` export PYTHONPATH=$PYTHONPATH:$RMANTREE/bin export PATH=$RMANTREE/bin:$PATH export MAYA_USER_DIR=$HOME/Documents/maya export RMS_SCRIPT_PATHS=$MAYA_USER_DIR/rfm_scripts/image_tool RMANFB=it # change directory below to where your cutter is cd /Users/ddu/Desktop/ddu/projects/vsfx_705/cutter # To uncomment the next line - remove the '#' character java -Xms512m -Xmx512m -classpath .:cutter.jar Cutter ``` #### Making the text file executable ``` chmod 777 run ``` ### Setting up Maya Env for Mac 1. Copy `rfm_scripts` folder to /Users/ddu/Documents/maya 2. copy `scripts` folder to /Users/ddu/Documents/maya 3. Copy `Arnold Shaders` to /Users/ddu/Documents/maya/projects 4. copy `maya.env` file to /Users/ddu/Library/Preferences/Autodesk/maya/2020 * Maya > Window > Plugin manager > Ensure Renderman for Maya is loaded and auto-loaded * check script editor for environment and preferences ### Student web spaces 1. Go myScad > [my info](https://my.scad.edu/uPortal/f/my-info/normal/render.uP) > [Web Space Activation](https://sso.scad.edu/ssomanager/c/SSB?pkg=hwskwebs.P_WebsRegistration) 2. Go to: > Myfile 3. Upload your html and asset files to **** ### [Atom](https://www.youtube.com/watch?v=DjEuROpsvp4) * **Core:** font size: 20, source code pro, 4 spaces tab, Scroll past end * **Packages:** Turn off auto-complete-plus & snippets ```python apm install script autocomplete-python minimap file-icons python-autopep8 linter-flake8 maya language-mel pip install autopep8 pip install flake8 ``` {% hint style="info" %} if linter does not show up, delete your Atom config files located: `/Users/userName/.atom/config.cson` {% endhint %} ### **Notes** ``` keep in mind Renderman Attribute Editor, Shelf, Menu bar ``` ## Using cutter * `cmd+click` on a function (eg.print) to read the [**Built-in Functions** ](https://docs.python.org/3.8/library/functions.html)documentation ## Resources #### Documentation * [Python built-in functions](https://docs.python.org/3.8/library/functions.html) #### Learning Python for Maya * [**Autodesk Introduction to Python Scripting in Maya** ](https://www.youtube.com/watch?v=eXFGeZZbMzQ\&list=PL-4p6ppgFOkWtUtcp46Z_AufwVP0CougD) * [Python Scripting for Maya Artists](http://www.chadvernon.com/blog/resources/python-scripting-for-maya-artists/) (on-line), Chad Vernon #### **Learning Python** 1. [Guru99: Python Tutorial for Beginners](https://www.guru99.com/python-tutorials.html) 2. [Learning Python](http://shop.oreilly.com/product/9780596158071.do), Mark Lutz, O'Reilly Media 3. [Think Python](http://www.greenteapress.com/thinkpython/html/index.html)(on-line), Allen Downey ## Getting started with Python **Key terms:** list, tuple, dictionary ```python # script is called test.py but it # implements a module called "test" # a modules contrains attributes # an attribute can be, eg. name of a variable # the built-in datatypes are, nubmers, text(string), # (and collections) list, tuple, dictionary. file. age = 26 name = "tom" family = 'jones' nationatlity = 'welsh' # an attribute can also be the name of function #create function def person() print(age) print(name) print(family) #creating list countries = [] countries.append('usa') countries.append('china') countries.append('new zealand') countries.append('england') #countries.sort() #countries.reverse # using a tuple (fixed value list) - for vertices data structures transfer locked = (2,4,3,6,8,9) # i can test my code by printing some value # this call the values # but comment it out if used asa module person() if __ name__ == '__main__': #person() #(debugging purposes) #for place in countries: # print(place) #print(countries[3]) print(locked[0]) #print(__name__) # return name of module from where it was run ``` {% tabs %} {% tab title="fileWriting" %} ```python # file_test.py # an example of how to store text in a document out_file= open('file directory', 'w') for n in range(10): out_file.write('sphere -r 1;\n) out_file.write('move %f %f 0;\n' % (n,(n-2))) # placeholder % out_file.close() # to run the mel document in Maya use this mel... #source "filedirectory" ``` {% endtab %} {% tab title="Python" %} ```python #vsfx705/cutter/using_test.py # only possible if the python files exist in the same directory import test from importlib import reload print(test.nationality) test.person ``` {% endtab %} {% tab title="importRandom" %} ```python # importing random import random val = random.uniform(0,1) print(val) for n in range(10): val = random.uniform(0,1) if val>0.5: print(val) ``` {% endtab %} {% endtabs %} {% tabs %} {% tab title="rib\_test" %} ```python # rib_test.py """ Points "P" [0 0 0 3 5 6 5 6 7 9 9 9] "constantwidth" [1.0] """ import random rib_file = open('/Users/ddu/Desktop/ddu/projects/vsfx_705/cutter/data2.rib', 'w') rib_file.write('##bbox: -5 -5 -5 5 5 5\n') rib_file.write('Points "P" [\n') for n in range(100000): x = random.uniform(-5, 5) y = random.uniform(-5, 5) z = random.uniform(-5, 5) rib_file.write('%f %f %f\n' % (x,y,z) ) rib_file.write('] "constantwidth" [0.05]') rib_file.close() #Maya > Renderman menu > Archive > import rib archive ``` {% endtab %} {% tab title="gen\_points" %} ```python # maya/scripts/gen_points.py import random def cubic(num, side): data = [] n = 0 while n < num: x = random.uniform(-side/2, side/2) y = random.uniform(-side/2, side/2) z = random.uniform(-side/2, side/2) data.append( (x,y,z) ) n = n + 1 return data def box(num, width, height, depth): data = [] n = 0 while n < num: x = random.uniform(-width/2, width/2) y = random.uniform(-height/2, height/2) z = random.uniform(-depth/2, depth/2) data.append( (x,y,z) ) n = n + 1 return data # how to create a spherical point cloud def spherical(num,radius): pass # define function but not implemented ``` {% endtab %} {% tab title="rib\_particles" %} ```python # maya/scripts/rib_particles.py import random import gen_points rib_file = open('/Users/ddu/Desktop/ddu/projects/vsfx_705/cutter/data2.rib', 'w') data = gen_points.cubic(10000,10,0.05) rib_file.write('##bbox: -5 -5 -5 5 5 5\n') rib_file.write('Points "P" [\n') for coord in data: rib_file.write('%f %f %f\n' % (coord[0],coord[1],coord[2]) ) rib_file.write('] "constantwidth" [0.05]') rib_file.close() #Maya > Renderman menu > Archive > import rib archive ``` {% endtab %} {% endtabs %} ```python questions why is my cutter so slow? does not have vsfx705 cannot open hyperlink ``` ## Lesson 3 {% tabs %} {% tab title="recap" %} ```python list [] tuple () fixed values ## bbox: -5 5 -5 5 5 5 # read by rib def writeCubic(path cmd E to render in Renderman ``` {% endtab %} {% endtabs %} --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. 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