{
"metadata": {
"name": "ipythonblocks_fun"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Playing with ipythonblocks"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"For more on `ipythonblocks` see the home page at [https://github.com/jiffyclub/ipythonblocks](https://github.com/jiffyclub/ipythonblocks)."
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"from ipythonblocks import BlockGrid"
],
"language": "python",
"metadata": {},
"outputs": [],
"prompt_number": 1
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"import math"
],
"language": "python",
"metadata": {},
"outputs": [],
"prompt_number": 2
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"w = 100\n",
"h = 100\n",
"r = 35\n",
"\n",
"grid = BlockGrid(w, h, block_size=4)\n",
"\n",
"for block in grid:\n",
" val = math.fabs(math.sqrt((w / 2. - block.col) ** 2 + (h / 2. - block.row) ** 2) - r) ** 1.5 / r * 255\n",
" block.red = val\n",
" block.green = val\n",
" block.blue = val\n",
"\n",
"grid.show()"
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
""
],
"output_type": "display_data",
"text": [
""
]
}
],
"prompt_number": 3
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"grid = BlockGrid(w, h, block_size=4)\n",
"\n",
"for block in grid:\n",
" block.red = 255 * float(w - block.col) / w\n",
" block.green = 255 * float(h - block.row) / h\n",
" block.blue = 255 * block.col / w\n",
"\n",
"grid"
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
""
],
"output_type": "pyout",
"prompt_number": 4,
"text": [
""
]
}
],
"prompt_number": 4
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"w = 40\n",
"h = 40\n",
"\n",
"grid = BlockGrid(w, h)\n",
"\n",
"for block in grid:\n",
" block.size = min(abs(w / 2 - block.col), abs(h / 2 - block.row))\n",
"\n",
"grid"
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
""
],
"output_type": "pyout",
"prompt_number": 5,
"text": [
""
]
}
],
"prompt_number": 5
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"w = 40\n",
"h = 40\n",
"\n",
"grid = BlockGrid(w, h)\n",
"\n",
"for block in grid:\n",
" block.size = min(abs(w / 2 - block.col), abs(h / 2 - block.row))\n",
" \n",
" if block.row < h / 2 and block.col < w / 2:\n",
" val = max(block.row, block.col) / (w / 2.) * 255\n",
" block.set_colors(val, val, val)\n",
" \n",
" elif block.row < h / 2 and block.col >= w / 2:\n",
" val = max(block.row, h - block.col - 1) / (w / 2.) * 255\n",
" block.set_colors(val, val, 255)\n",
" \n",
" elif block.row >= h / 2 and block.col < w / 2:\n",
" val = max(w - block.row - 1, block.col) / (w / 2.) * 255\n",
" block.set_colors(255, val, val)\n",
" \n",
" elif block.row >= h / 2 and block.col >= w / 2:\n",
" val = max(w - block.row - 1, h - block.col - 1) / (w / 2.) * 255\n",
" block.set_colors(val, 255, val)\n",
"\n",
"grid"
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
""
],
"output_type": "pyout",
"prompt_number": 6,
"text": [
""
]
}
],
"prompt_number": 6
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"w = 40\n",
"h = 40\n",
"\n",
"grid = BlockGrid(w, h)\n",
"\n",
"for block in grid:\n",
" block.size = min(abs(w / 2 - block.col), abs(h / 2 - block.row))\n",
" \n",
" if block.row < h / 2 and block.col < w / 2:\n",
" val = 255 * (1 - max(block.row, block.col) / (w / 2.))\n",
" block.set_colors(val, val, val)\n",
" \n",
" elif block.row < h / 2 and block.col >= w / 2:\n",
" val = max(block.row, h - block.col - 1) / (w / 2.) * 255\n",
" block.set_colors(0, 0, val)\n",
" \n",
" elif block.row >= h / 2 and block.col < w / 2:\n",
" val = max(w - block.row - 1, block.col) / (w / 2.) * 255\n",
" block.set_colors(val, 0, 0)\n",
" \n",
" elif block.row >= h / 2 and block.col >= w / 2:\n",
" val = max(w - block.row - 1, h - block.col - 1) / (w / 2.) * 255\n",
" block.set_colors(0, val, 0)\n",
"\n",
"grid"
],
"language": "python",
"metadata": {},
"outputs": [
{
"html": [
""
],
"output_type": "pyout",
"prompt_number": 7,
"text": [
""
]
}
],
"prompt_number": 7
}
],
"metadata": {}
}
]
}