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// -*- Mode:C++; Coding:us-ascii-unix; fill-column:158 -*-
/**************************************************************************************************************************************************************/
/**
@file sic.cpp
@author Mitch Richling <https://www.mitchr.me>
@brief Draw a Peter de Jong Attractor.@EOL
@std C++98
@copyright
@parblock
Copyright (c) 1988-2015, Mitchell Jay Richling <https://www.mitchr.me> All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this list of conditions, and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions, and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
DAMAGE.
@endparblock
@filedetails
Fractals inspired by the book "Symmetry in Chaos" by Michael Field and Martin Golubitsky.
***************************************************************************************************************************************************************/
#include "ramCanvas.hpp"
#include <math.h>
#define BSIZ 7680
#define NPR 27
using namespace mjr;
typename ramCanvas1c16b::rcCordFlt params[NPR][12] = {
/* lambda alpha beta gamma omega n ipw xmin xmax ymin ymax 1=mean */
{ 1.375390, -0.4212800, 0.26969, 0.08352, 0.338347, 6, 15.00, -1.30, 1.30, -1.30, 1.30, 1.0}, // 0 |
{ 1.600230, -1.1340800, -0.17506, 0.67872, 0.049490, 6, 14.00, 0.10, 0.70, 0.43, 0.90, 0.0}, // 1 | WACKY
{ 1.000890, -0.7678100, 1.89425, -1.13943, -0.688827, 7, 10.00, -0.90, 0.90, -0.90, 0.90, 0.0}, // 2 |
{-1.563400, 1.7238200, 0.74440, 0.71874, 0.258907, 3, 8.00, -0.75, 0.75, -0.75, 0.75, 1.0}, // 3 |
{ 1.361000, -1.8225400, -0.92635, -1.74108, -0.761120, 5, 2.00, -0.70, 0.70, -0.70, 0.70, 1.0}, // 4 |
{ 1.609310, -1.6924900, 0.85055, 0.26523, -0.716769, 5, 4.00, -0.90, 0.90, -0.90, 0.90, 0.0}, // 5 |
{ 1.464900, -1.8825700, -1.47205, -0.83559, -0.701477, 4, 3.00, -0.80, 0.80, -0.80, 0.80, 1.0}, // 6 |
{ 1.622110, -1.0694500, -0.11181, 0.62253, 0.784032, 4, 2.00, -1.20, 1.20, -1.20, 1.20, 1.0}, // 7 |
{-1.380150, 0.7472100, 1.17094, 0.05782, -0.574188, 6, 10.00, -1.00, 1.00, -1.00, 1.00, 0.0}, // 8 |
{ 0.335010, -1.3467500, -0.65137, -0.87848, -1.231490, 5, 10.00, -1.20, 1.20, -1.20, 1.20, 1.0}, // 9 |
{-1.496290, 1.8701600, -1.93938, -0.88084, -0.139602, 3, 10.00, -0.55, 0.55, -0.55, 0.55, 1.0}, // 10 |
{-1.248610, 1.0816100, -0.50731, 0.97272, -0.853955, 11, 10.00, -1.00, 1.00, -1.00, 1.00, 0.0}, // 11 |
{-1.991900, 1.8219100, -0.38273, 0.68143, 0.493416, 11, 10.00, -1.00, 1.00, -1.00, 1.00, 0.0}, // 12 |
{ 1.694170, -1.2730200, 0.75035, -1.28615, 0.561096, 6, 2.50, -1.10, 1.10, -1.10, 1.10, 1.0}, // 13 |
{-0.386753, -0.0610025, -1.02847, 0.78619, -0.984828, 3, 5.00, -1.20, 1.20, -1.20, 1.20, 0.0}, // 14 | special
{ 0.982876, -1.1125600, 0.500411, -1.44111, -1.008560, 4, 7.00, -0.80, 0.80, -0.80, 0.80, 0.0}, // 15 | special
{-1.257170, 0.0390811, 0.13892, -0.87058, 0.023977, 7, 2.60, -1.20, 1.20, -1.20, 1.20, 1.0}, // 16 | Neat
{ 1.008500, 0.2275230, -0.56604, -0.62146, 0.693161, 5, 3.00, -1.20, 1.20, -1.20, 1.20, 1.0}, // 17 |
{ 1.618250, -1.6035300, 1.13920, -1.60120, -0.761638, 5, 2.80, -1.00, 1.00, -1.00, 1.00, 0.0}, // 18 |
{-0.960670, 0.0834029, 1.01438, 1.05748, -0.599590, 21, 2.60, -1.20, 1.20, -1.20, 1.20, 1.0}, // 19 |
{ 0.908230, 0.3047990, 1.03560, 0.29872, -0.473521, 7, 3.00, -1.20, 1.20, -1.20, 1.20, 0.0}, // 20 |
{ 1.873130, -1.2822600, -1.28938, -1.36355, -0.141951, 21, 2.00, -1.10, 1.10, -1.10, 1.10, 1.0}, // 21 | NICE
{ 1.536250, -0.6547000, -1.43255, -0.24270, 0.128769, 31, 2.50, -1.00, 1.00, -1.00, 1.00, 0.0}, // 22 | NICE
{-2.080000, 1.0000000, -0.10000, 0.16700, 0.000000, 7, 4.00, -1.20, 1.20, -1.20, 1.20, 0.0}, // 23 | d7 SIC BOOK
{-2.500000, 5.0000000, -1.90000, 1.00000, 0.180000, 5, 2.75, -0.75, 0.75, -0.75, 0.75, 0.0}, // 24 | Z5 SIC BOOK
{ 2.500000, -2.5000000, 0.00000, 0.90000, 0.000000, 3, 2.75, -1.40, 1.40, -1.40, 1.40, 0.0}, // 25 | D3 SIC BOOK
{ 2.600000, -2.0000000, 0.00000, -0.50000, 0.000000, 5, 4.75, -1.30, 1.30, -1.30, 1.30, 1.0}, // 26 | D5 SIC BOOK
};
class g2rgb8 {
private:
int factor;
public:
g2rgb8(int newFactor) { factor = newFactor; }
colorRGB8b operator() (ramCanvas1c16b::rcColor c) {
colorRGB8b retColor;
return retColor.cmpColorRamp(c.getRed() * 1275 / factor, "0RYBCW");
}
};
int main(void) {
color1c16b aColor;
aColor.setAll(1);
for(int j=0; j<NPR; j++) {
//for(int j : { 0 } ) {
ramCanvas1c16b theRamCanvas(BSIZ, BSIZ, params[j][7], params[j][8], params[j][9], params[j][10]);
typename ramCanvas1c16b::rcCordFlt lambda = params[j][0];
typename ramCanvas1c16b::rcCordFlt alpha = params[j][1];
typename ramCanvas1c16b::rcCordFlt beta = params[j][2];
typename ramCanvas1c16b::rcCordFlt gamma = params[j][3];
typename ramCanvas1c16b::rcCordFlt w = params[j][4];
int n = params[j][5];
float ipw = params[j][6];
int filter = params[j][11];
std::complex<typename ramCanvas1c16b::rcCordFlt> cplxi (0,1);
uint64_t maxitr = 10000000000ul;
std::complex<typename ramCanvas1c16b::rcCordFlt> z(.01,.01);
uint64_t maxII = 0;
for(uint64_t i=0;i<maxitr;i++) {
z = (lambda + alpha*z*std::conj(z)+beta*std::pow(z, n).real() + w*cplxi)*z+gamma*std::pow(std::conj(z), n-1);
float x=z.real(), y=z.imag();
if(i>1000)
theRamCanvas.drawPoint(x, y, theRamCanvas.getPxColor(x, y).tfrmAdd(aColor));
if(theRamCanvas.getPxColor(x, y).getRed() > maxII) {
maxII = theRamCanvas.getPxColor(x, y).getRed();
if(maxII > 16384) { // 1/4 of max possible intensity
std::cout << "ITER(" << j << "): " << i << " MAXS: " << maxII << " EXIT: Maximum image intensity reached" << std::endl;
break;
}
}
if((i % 10000000) == 0)
std::cout << "ITER(" << j << "): " << i << " MAXS: " << maxII << std::endl;
}
std::cout << "ITER(" << j << "): " << "RAW" << std::endl;
theRamCanvas.writeRAWfile("sic_" + std::to_string(j) + ".mrw");
// Root image transform
std::cout << "ITER(" << j << "): " << "TFRM & SCALE" << std::endl;
theRamCanvas.autoHistStrech();
//theRamCanvas.applyHomoPixTfrm(&color1c16b::tfrmLn);
theRamCanvas.applyHomoPixTfrm(&color1c16b::tfrmStdPow, 1/ipw);
if(filter)
theRamCanvas.scaleDownMean(4);
else
theRamCanvas.scaleDownMax(4);
theRamCanvas.autoHistStrech();
// Compte new image max intensity
std::cout << "ITER(" << j << "): " << "MAX" << std::endl;
maxII = 0;
for(auto& pixel : theRamCanvas)
if(pixel.getRed() > maxII)
maxII = pixel.getRed();
std::cout << "ITER(" << j << "): " << "TGA" << std::endl;
/* We would like to create a 24-bit RGB TGA file, but we have a 16-bit greyscale image. We could create a 24-bit ramCanvas object from the greyscale one,
or we can give the writeTGAfile member a functor telling it how to convert each pixel as it is required. */
theRamCanvas.writeTGAfile("sic_" + std::to_string(j) + ".tga", g2rgb8(maxII));
}
return 0;
}