andy evans living god

/*** Starts the model going and builds an initial tribe. * * @author <A href="http://www.geog.leeds.ac.uk/people/a.evans/">Andrew Evans</A>* @version 0.1*/public class EarlyModernHumansBuilder extends DefaultContext implements ContextBuilder {

private Context context;private GridValueLayer geography;private Grid <Human> encounterGrid;private ContinuousSpace <Human> space;private Network <Human> tribalNetwork;private Parameters params;private double seaValue = 0.0;

*** Builds the spaces and an initial tribe.Each tribe has its own network, but shares continuous and grid space.*/

Andy EvansLiving god

Like rats

/*** Represents a generic Human. * This could be Homo sapiens sapiens, Homo neanderthalensis / Homo sapiens neanderthalensis, or, infact, most other hominids.* @ToDo Might be better named Hominid.java.* * @author <A href="http://www.geog.leeds.ac.uk/people/a.evans/">Andrew Evans</A>* @version 0.1*/public class Human {

/*** Makes a new tribe taking in members and a leader. * The leader should be located in space and not present in the members ArrayList.* The leader will be added to the members and the members will be distributed * around the leader in space.* @param members* @param leader*/ublic void makeTribe(ArrayList<Human> members, Human leader) {

members.add(leader);tribes.add(members);

leader.setLeader(true);leaders.add(leader);

// Move the tribe.Human tempHuman;NdPoint tempPoint;

for (int i = 1; i < members.size(); i++) {

// Setup the Human.tempHuman = members.get(i);tempPoint = getLocationCentredOnTerritory(members, 0, getTerritoryRadius(members)); space.moveTo(tempHuman, tempPoint.getX(), tempPoint.getY());

encounterGrid.moveTo(tempHuman,(int)tempPoint.getX(), (int)tempPoint.getY());tribeNetwork.addEdge(leader, tempHuman);

}}

Stroll along the Prom, Prom, Prom…

/*** Constructor.* * @param context - the primary context.* @param builder - the primary contextbuilder.* @param space - the global continuous space.* @param encounterGrid - the global grid space.* @param tribeNetwork - the globally developed tribal network.* @param initialPopulationNumber - starting population.*/public Tribes (Context context, EarlyModernHumansBuilder builder, GridValueLayer geography, ContinuousSpace <Human> space, Grid <Human> encounterGrid, Network <Human> tribeNetwork) {

this.context = context;this.builder = builder;this.geography = geography;this.space = space;this.encounterGrid = encounterGrid;this.tribeNetwork = tribeNetwork;

leaders = new ArrayList<Human>();tribes = new ArrayList<ArrayList<Human>>();

originX = geography.getDimensions().getOrigin(0);originY = geography.getDimensions().getOrigin(1);width = geography.getDimensions().getWidth() - 1;height = geography.getDimensions().getHeight() - 1;

ageSpecificFertilityRates = generateDistribution("fertility");ageSpecificDeathRates = generateDistribution("deaths");respectDistribution = generateDistribution("respect");leadershipDesireDistribution = generateDistribution("leadership");

}

Tribe

/*** Takes in an x value (age) and returns a y value (age specific fertility* rates). Distribution generated is based on a 5th order polynomial curve* from Fig.4. of: Hawkes, K. (2010) How grandmother effects plus individual* variation in frailty shape fertility and mortality: Guidance from* human–chimpanzee comparisons PNAS May 11, 2010 vol. 107 no. Supplement 2* 8977-8984 DOI: 10.1073/pnas.0914627107* http://www.pnas.org/content/107/suppl.2/8977.figures-only* * @param x* @return y*/double fertilityFunction(double x) {// Code generated by http://www.arachnoid.com/polysolve/index.htmlif ((x >= 13) || (x <= 47.5)) {double answer = 1.424485017186e+00 + -3.633942763485e-01 * x+ 3.224862325580e-02 * Math.pow(x, 2) + -1.229367715766e-03* Math.pow(x, 3) + 2.140384615644e-05 * Math.pow(x, 4)+ -1.410256410430e-07 * Math.pow(x, 5);if (answer < 0)answer = 0;return answer;} else {return 0;}}

Shopping and…

I have become DeathDestroyer of Worlds

/*** Takes in an x value (age) and returns a y value (age specific death* rates). Distribution generated is based on a 5th order polynomial curve* from Fig.10. of: Gurven, M and Kaplan, H. (2007) Longevity among* hunter-gatherers: a cross-cultural examination. Population and* Development Review 33(2):321-365.* http://www.anth.ucsb.edu/faculty/gurven/papers/GurvenKaplan2007pdr.pdf* * @param x* @return y*/ouble deathsFunction(double x) {// Code generated by http://www.arachnoid.com/polysolve/index.htmldouble answer = 1.120897832817e-01 + -1.728930697785e-02 * x+ 8.870107962213e-04 * Math.pow(x, 2) + -1.794524489958e-05* Math.pow(x, 3) + 1.359053742955e-07 * Math.pow(x, 4)+ -1.516234023974e-10 * Math.pow(x, 5);if (answer < 0)answer = 0;return answer;}

/*** Makes a new tribe taking in members and a leader. * The leader should be located in space and not present in the members ArrayList.* The leader will be added to the members and the members will be distributed * around the leader in space.* @param members* @param leader*/public void makeTribe(ArrayList<Human> members, Human leader) {

members.add(leader);tribes.add(members);leader.setLeader(true);leaders.add(leader);

// Set up the members in space.Human tempHuman;NdPoint tempPoint;

for (int i = 0; i < members.size() - 1; i++) { // NB last member is now leader.

// Setup the Human.tempHuman = members.get(i);tempPoint = getLocationCentredOnTerritory(members, 0, getTerritoryRadius(members.size()));

space.moveTo(tempHuman, tempPoint.getX(), tempPoint.getY());encounterGrid.moveTo(tempHuman,(int)tempPoint.getX(), (int)tempPoint.getY());tribeNetwork.addEdge(leader, tempHuman);

}}

Two Tribes

Parameterisation

Max tribal size = 100Random distribution around leaderTraitors = 50Fertile age = 13;Infertile age = 48;Age all die at = 81;Minimum leader age = 20;

private EarlyModernHumansBuilder builder;private Context context;private GridValueLayer geography;private Grid <Human> encounterGrid;private ContinuousSpace <Human> space;private Network <Human> tribeNetwork;private double originX;private double originY;private double width;private double height;private double[] ageSpecificFertilityRates;private double[] ageSpecificDeathRates;private int[] femaleAgeGroups;private int[] ageGroups;private int fertileAge = 13;private int infertileAge = 48;private int ageAllDieAt = 81;private int minimumLeaderAge = 20;private double f2mSexRatio = 0.47; // Based on sex ratio of 106M/100Fprivate double territoryAreaConstant = 70.0;

// See getTerritoryRadius(int populationSize)private double territoryAreaExponent = 0.70;

// See getTerritoryRadius(int populationSize)private double seaValue = 0.0;private double pixelSize = 10.0;private int maximumMembership = 100;private int traitors = 50;

/** * Generates a person excluded to a space. * At the moment we don't exclude current leaders. * @param tribe * @return A Human set up in space. Not (yet) set as a leader. */public Human excludeHuman(ArrayList<Human> tribe) {

SimUtilities.shuffle(tribe,RandomHelper.getUniform());Object[] members = tribe.toArray();Human excludee = null;Human currentLeader = leaders.get(tribes.indexOf(tribe));

// Find someone not a current leader.for (int i = 0; i < members.length; i++) {excludee = (Human) members[i];if ((excludee != currentLeader) && (excludee.getAge() >= minimumLeaderAge)) {if (Math.random() < leadershipDesireDistribution[excludee.getAge()]) {break;}}}// Exclude the Human and set them up in a space away from the tribe.tribe.remove(excludee);tribeNetwork.removeEdge(tribeNetwork.getEdge(currentLeader, excludee));

// Find new home.boolean newHomeFound = false;int minDistance = 2;int maxDistance = 3;double maximumTribeRadius = getTerritoryRadius(maximumMembership);GridPoint pt;NdPoint newHome;NdPoint currentCenter = space.getLocation(leaders.get(tribes.indexOf(tribe)));

And crawling, on the planet's face





some insects, called the human race.





Lost in time, and lost in space...

Bad god

Spreading fast if peopleBut tribes die out below max size

public void printDemographics () {

double numberOfBirths = 0; for (int age = fertileAge; age < infertileAge; age++) {numberOfBirths = numberOfBirths + ageSpecificFertilityRates[age] * femaleAgeGroups[age];

}

System.out.println("Births = " + numberOfBirths);

// Calculate the number of deaths in each age group.double[] numberOfDeaths = new

double[ageAllDieAt + 1];

for (int age = 0; age < ageAllDieAt; age++) {numberOfDeaths[age] = ageSpecificDeathRates[age] * ageGroups[age];

}

// Kill off everyone in the last age group.numberOfDeaths[ageAllDieAt] = ageGroups[ageAllDieAt];

for (int i = 0; i < ageGroups.length; i++) {System.out.println(" Age : " + i + " All : " + ageGroups[i] + " Female : " + femaleAgeGroups[i] + " Deaths : " + numberOfDeaths[i])

}

}

Et alia

The ontological status of predictions as private information

// Note that we keep a tribe-level reference the leader for // convenience, so we don't have to loop through whole

tribe to find them, // but also keep a record of whether they are leaders inside each Human // so we can display them differently (see HumanStyle.java).ArrayList<Human> tribe = new ArrayList<Human>();tribes.add(tribe);

Ship of Fool

www.geog.leeds.ac.uk/people/a.evans/

/*** Initialises the Human. Note that the spaces do not include tribal spaces, which are coped with * through the Tribe subcontext. Nevertheless, we record whether the Human * is a leader to allow HumanStyle to distinguish leaders.* @param space* @param encounterGrid*/public Human (GridValueLayer geography, ContinuousSpace

<Human> space, Grid <Human> encounterGrid) {this.geography = geography;this.space = space;this.encounterGrid = encounterGrid;}/** * Represents a generic Human. * This could be Homo sapiens sapiens, Homo neanderthalensis / Homo sapiens neanderthalensis, or, infact, most other hominids. * @ToDo Might be better named Hominid.java. * * @author <A href="http://www.geog.leeds.ac.uk/people/a.evans/">Andrew Evans</A> * @version 0.1 */

andy evans living god

Documents

param space

param members

param leader

param context

human leader

param encountergrid

param builder

param tribenetwork