CMPS 160 -- Spring 2015

CMPS 160 -- Program 1

Due date:
Midnight, Friday, April 17, 2015
Early bonus: before midnight, April 16.
Late submission until midnight, April 18.

Objectives:

Create and render 2.5D terrains using Mandelbrot sets.

Description

Generate a grid of points belonging to the Mandelbrot set. Your code will then treat the values at each grid point as a height value and render this array of heights as a terrain. The rendering style is simple wireframe -- connect neighboring grid points in a cell by line segments. That is, each cell is made up by connecting the four corners to form a quad.
A Mandelbrot terrain is to be defined by 6 numbers: the x and y dimensions (number of columns and number of rows respectively), followed by the bounds of the set as described in this CMPS 12A assignment. Note that instead of using colors to represent the number of iteration, we will be mapping that to height in this program. Also, rather than saving the set as a PGM file, you will just generate the points and render in wireframe.
The 6 numbers can either be read in from a file or you can add some GUI for the user to enter them.
Once the Mandelbrot height field has been generated, you will generate a single static view of the field. The height field is to be rendered as a wireframe. To facilitate this process, you will first need to convert the row and column array indices and height values of the Mandelbrot set to its object coordinates -- which we will fix as: being centered at its origin, have an x-range of -255 .. 255 corresponding to the column indices, have a y-range of -255 .. 255 corresponding to the row indices, and have a z-range of 0 .. 255 corresponding to the heigh values (unchanged). That is, no matter what is specified for the 6 numbers to generate the Mandelbrot set, the results are always mapped to this object coordinate system before it's set up for viewing.
Use an orthographic projection with an isometric view e.g. from [1,1,1]. To achieve this, first center and scale the height field so that the middle of the height field is at the origin, and scaled so that the entire field will fit into the canvas.

Grading:

This program will form part of your CMPS 160 grade. The other components of CMPS 160 grade are your midterms and final project.

The header block should contain at least the following information: name, cruzid, date, and brief description of your program. This will be true for all future assignments and programs.

Rubric:


5	header blocks
5	separation of javascript from html
10	inline comments
40	generate Mandelbrot height field
40	wireframe rendering with required orthographic view

Who graded your assignment:

jiayu: ahosick -- jbernay
matthew: jchen160 -- tmlinejo

Submission:

Submission must be done using the "submit" command from CATS.

submit cmps160-ap.s15 prog1 prog1.tar, or
submit cmps160-ap.s15 prog1 prog1.zip

This command should work from unix.ic.ucsc.edu. Create and submit a subdirectory called prog1.
IT SHOULD CONTAIN ALL THE FILES NECESSARY FOR THIS PROGRAM TO RUN.
Tar or zip up prog1 before submitting.