source: experiments/frams/foraminifera/data/scripts/foraminifera.expdef @ 462

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1expdef:
2name:Reproduction of benthic foraminifera
3info:~
4Basic information about this simulation:
5www.framsticks.com/foraminifera
6
7Technical information:
8Genes and parameter values which control reproduction are stored in user1 and user2 fields.
9
10user1:
11genes which are not encoded in Ff genotype:
12min_repro_energy - Minimum energy necessary for reproduction
13hibernation - Defines foram behavior in the case of no nutrients
14
15user2:
16Physiological parameters of foraminifera:
17max_energy_level - maximum energy level reached so far
18gen - generation: 0 haploid, 1 diploid
19species - species: 0 not hibernating 1 hibernating
20hibernated - 0/1 foram is/isn't hibernated
21reproduce - 0/1 foram isn't/is ready for reproduction
22~
23code:~
24
25
26global nutrientenergywaiting;
27global reprocounter;
28global colors;
29global chambers;
30global o;
31global max_chamber_energ;
32global dir_change;
33
34@include "foraminifera.inc"
35
36// -------------------------------- experiment begin --------------------------------
37
38function onExpDefLoad()
39{
40        // define genotype and creature groups
41        GenePools.clear();
42        Populations.clear();
43        GenePools[0].name = "Unused";
44
45        var pop = Populations[0];
46        pop.name = "Forams";
47        pop.en_assim = 0;
48        pop.nnsim = 0;
49        pop.enableperf = 1;
50        pop.death = 1;
51        pop.energy = 1;
52        pop.selfmask = 0x10001;
53        pop.othermask = 0x20001;
54        //pop.selfmask = 0x20002; pop.othermask = 0x10002;
55        pop.perfperiod = 25;
56
57        pop = Populations.addGroup("Nutrients");
58        pop.nnsim = 0;
59        pop.enableperf = 0;
60        pop.death = 1;
61        pop.energy = 1;
62        pop.selfmask = 0x20002;
63        pop.othermask = 0x10000;
64        //pop.othermask = 0x10002;
65
66        pop = Populations.addGroup("ReticulopodiaNutrients");
67        pop.nnsim = 0;
68        pop.enableperf = 0;
69        pop.death = 0;
70        pop.energy = 0;
71        pop.selfmask = 0x20002;
72        pop.othermask = 0x10000;
73
74        //world
75        SignalView.mode = 1;
76        World.wrldwat = 200;
77        World.wrldsiz = micronsToFrams(40000);
78        World.wrldbnd = 1;
79        ExpParams.stress = 1;
80        ExpParams.creath = -0.99; //just above the bottom
81        ExpParams.autorestart = 0;
82
83        //ExpParams.visualize = 1; //uncomment to visualize reticulopodia and indicate nutrients positions
84
85        //ExpParams.logging = 1; //uncomment to enable logging simulation parameters to log files
86
87        //reproduction
88        ExpParams.foramPop = 10;       
89        ExpParams.crossprob = 0.4;
90        ExpParams.mutationprob = 0.2;
91        ExpParams.repro_time = 20;
92        reprocounter = 0;
93
94        //morphology
95        dir_change = 500;
96        ExpParams.zone1_range = micronsToFrams(3000);
97        ExpParams.zone2_range = micronsToFrams(6000);
98        init_chambers();
99        ExpParams.chamber_proculus_haplo = micronsToFrams(50);
100        ExpParams.chamber_difference_haplo = 0.0;
101        ExpParams.chamber_proculus_diplo = micronsToFrams(20);
102        ExpParams.chamber_difference_diplo = 0.2;
103        max_chamber_energ = [Vector.new(), Vector.new()];
104        for (var j = 0; j < 2; j++)
105        {
106                for (var i = 0; i < chambers[0].size; i++)
107                {
108                        max_chamber_energ[j].add(((Math.pow(getProperty(j, "chamber_proculus"),3) + Math.pow(getProperty(j, "chamber_proculus") + (i) * getProperty(j, "chamber_difference"),3))*(i+1))/2);
109                }                                 
110        }
111
112        //energetics
113        ExpParams.min_repro_energ_haplo = 4;
114        ExpParams.min_repro_energ_diplo = 6;
115
116        ExpParams.e_meta = 0.0002;
117        ExpParams.energy_hib = 0.0001;
118        ExpParams.energy_move = 0.00025;
119
120        ExpParams.energies0_haplo = max_chamber_energ[0][0] - 0.001*max_chamber_energ[0][0];
121        ExpParams.energies0_diplo = max_chamber_energ[1][0] - 0.001*max_chamber_energ[1][0];
122        ExpParams.feedtrans = 0.5;
123        ExpParams.e_repro_cost_haplo = 0.7;
124        ExpParams.e_repro_cost_diplo = 0.3;
125
126        //nutrients
127        ExpParams.nutrientsize = micronsToFrams(10);
128        ExpParams.energy_nut = 100 * Math.pow(ExpParams.nutrientsize, 3);
129        ExpParams.nutrientPop = 1;
130        ExpParams.feedrate = 0.1;
131        nutrientenergywaiting = ExpParams.energy_nut;
132        ExpState.totaltestedcr = 0;
133        ExpState.nutrient = "";
134}
135
136@include "standard_placement.inc"
137
138function micronsToFrams(micrometers)
139{
140        return micrometers*0.025;
141}
142
143function framsToMicrons(framsworldunits)
144{
145        return framsworldunits/0.025;
146}
147
148function getProperty(gen, prop_id)
149{
150        var ploid = "haplo";
151        if (gen == 1) ploid = "diplo";
152        return ExpParams.[prop_id + "_" + ploid];
153}
154
155function addInitialForam(species, i)
156{
157        var geno = createForamGenotype(0, species, 0);
158        var cr = Populations[0].add(geno);
159        cr.name = "Initial creature" + species + "_" + i;
160        placeCreatureRandomly(cr, 0, 0);
161        cr.energy0 = getProperty(0, "energies0");
162        cr.energy = cr.energy0;
163        setGenotype({"opt" : 0, "cr" : cr, "species" : species});
164}
165
166function onExpInit()
167{
168        Populations[0].clear();
169        Populations[1].clear();
170        Populations[2].clear(); //reticulopodia and nutrients
171
172        for (var i = 0; i < ExpParams.foramPop; i++)
173        {
174                addInitialForam(0, i); 
175                addInitialForam(1, i);
176        }
177        o = Populations[0][0].getMechPart(0).orient.clone();
178        ExpState.totaltestedcr = 0;
179        nutrientenergywaiting = ExpParams.energy_nut;
180}
181
182function onExpLoad()
183{
184        for (var pop in Populations)
185                pop.clear();
186
187        Loader.addClass(sim_params.*);
188        Loader.setBreakLabel(Loader.BeforeUnknown, "onExpLoad_Unknown");
189        Loader.run();
190
191        Simulator.print("Loaded " + Populations[0].size + " Forams and " + Populations[1].size + " nutrient objects");
192}
193
194function onExpLoad_Unknown()
195{
196        if (Loader.objectName == "org") // saved by the old expdef
197        {
198                var g = Genotype.newFromString("");
199                Loader.currentObject = g;
200                Interface.makeFrom(g).setAllDefault();
201                Loader.loadObject();
202                var cr = Populations[0].add(g);
203                if (cr != null)
204                {
205                        //cr.rotate(0,0,Math.rnd01*Math.twopi);
206                        if ((typeof(g.user1) == "Vector") && (g.user1.size >= 3))
207                        {
208                                // [x,y,energy]
209                                cr.move(g.user1[0] - cr.center_x, g.user1[1] - cr.center_y, 0);
210                                cr.energy = g.user1[2];
211                        }
212                        else
213                        {
214                                cr.move(Math.rnd01 * World.wrldsiz - cr.center_x, Math.rnd01 * World.wrldsiz - cr.center_y, 0);
215                        }
216                }
217        }
218        else if (Loader.objectName == "Creature")
219        {
220                Loader.currentObject = CreatureSnapshot.new();
221                Loader.loadObject();
222                Populations[0].add(Loader.currentObject);
223        }
224}
225
226function onExpSave()
227{
228        File.writeComment("saved by '%s.expdef'" % Simulator.expdef);
229
230        var tmpvec = [], i;
231
232        for(var cr in Populations[1])
233                tmpvec.add([cr.center_x, cr.center_y, cr.energy]);
234
235        ExpState.nutrient = tmpvec;
236        File.writeObject(sim_params.*);
237        ExpState.nutrient = null; //vectors are only created for saving and then discarded
238
239        for (var cr in Populations[0])
240                File.writeObject(cr);
241}
242
243// -------------------------------- experiment end --------------------------------
244
245// -------------------------------- foram begin -----------------------------------
246
247function setForamMeta(cr, gen)
248{
249        cr.idleen = ExpParams.e_meta * max_chamber_energ[gen][Math.min(lastChamberNum(cr), max_chamber_energ[gen].size-1)];
250}
251
252function lastChamberNum(cr)
253{
254        return cr.numparts-1;
255}
256
257function onForamsBorn(cr)
258{
259        setForamMeta(cr, 1);
260        if (ExpParams.visualize == 1)
261        {
262                var ret = Populations[2].add("//0\np:sh=3,sx=0.01,sy="+ExpParams.zone1_range+",sz="+ExpParams.zone1_range+",ry=1.57,vr=1.0,1.0,1.0");
263                cr.user3 = ret;
264        }
265}
266
267function placeRandomlyNotColliding(cr)
268{
269        var retry = 100; //try 100 times
270        while (retry--)
271        {
272                placeCreatureRandomly(cr, 0, 0);
273                if (!cr.boundingBoxCollisions(0))
274                        return cr;
275        }
276
277        Populations[0].delete(cr);
278}
279
280function visualization(cr)
281{
282        var has_ret = 0;
283
284        if (cr.user3 != null)
285        {
286                if (Populations[2].findUID(cr.user3.uid) != null)
287                {
288                        has_ret = 1;
289                }
290        }
291
292        return has_ret;
293}
294
295function foramGrow(cr, chamber_num)
296{
297        var geno = createForamGenotype(cr.user2["gen"], cr.user2["species"], chamber_num+1);
298        var cr2 = Populations[0].add(geno);
299
300        cr2.energy0 = cr.energy;
301        cr2.energy = cr2.energy0;
302
303        setGenotype({"cr" : cr2, "parent_user1" : cr.user1, "parent_user2" : cr.user2, "opt" : 2});
304        cr2.moveAbs(cr.center_x - cr2.size_x / 2, cr.center_y - cr2.size_y / 2, cr.pos_z);
305        setForamMeta(cr2, cr2.user2["gen"]);
306
307        if (visualization(cr))
308        {
309                Populations[2].delete(cr.user3);
310        }
311        Populations[0].delete(cr);
312}
313
314function stepToNearest(cr)
315{
316        var p = cr.getMechPart(0);
317        var n = cr.signals.receiveSet("nutrient", ExpParams.zone2_range);
318
319        //if signals are received find the source of the nearest
320        if (n.size > 0)
321        {
322                var i;
323                var mp;
324                var distvec = XYZ.new(0, 0, 0);
325                var dist;
326                var mindist = 100000000000;
327                var mindistvec = null;
328                var eating = 0;
329
330                for (i = 0; i < n.size; i++)
331                {
332                        mp = n[i].value.getMechPart(0);
333                        distvec.set(mp.pos);
334                        distvec.sub(p.pos);
335                        dist = distvec.length;
336                        if (dist < ExpParams.zone1_range)
337                        {
338                                if (n[i].value != null)
339                                {
340                                        energyTransfer(cr, n[i].value);
341                                        eating = 1;
342                                }
343                        }
344                        else if (eating == 0 && cr.user2["hibernated"] == 0 && dist < mindist)
345                        {
346                                mindist = dist;
347                                mindistvec = distvec.clone();
348                        }
349                }
350
351                if (!eating && cr.user2["hibernated"] == 0)
352                {
353                        mindistvec.normalize();
354                        mindistvec.scale(-0.08);
355                        cr.localDrive = mindistvec;
356                        moveEnergyDec(cr);
357                }
358
359                return 1;
360        }
361       
362        else
363                return 0;
364}
365
366function moveEnergyDec(cr)
367{
368        if (cr.user2["hibernated"] == 0)
369        {
370                cr.energy_m += ExpParams.energy_move * max_chamber_energ[cr.user2["gen"]][Math.min(lastChamberNum(cr), (max_chamber_energ[cr.user2["gen"]].size)-1)];
371        }
372}
373
374function foramMove(cr)
375{
376        //TODO moving inside sediment?
377
378        //adjustment in z axis
379        cr.moveAbs(cr.pos_x, cr.pos_y, 0);
380
381        //are there any nutrients in zone 1 or 2?
382        {
383                var moved = stepToNearest(cr); //TODO weighted sum of distance and energy
384                if (moved==1)
385                {
386                        return;
387                }
388        }
389
390        //no nutrients in zone 2
391        var hibernation = 0;
392        if (cr.user2["gen"] == 0) hibernation =  cr.user1["hibernation"];
393        else hibernation =  cr.user1[0]["hibernation"];
394        //hibernation
395        if (hibernation == 1)
396        {
397                reverseHib(cr);
398                cr.localDrive = XYZ.new(0,0,0);
399        }
400        //random move
401        else if (cr.lifespan%dir_change == 0)
402        {
403                var dir = (Math.rndUni(-ExpParams.zone2_range, ExpParams.zone2_range), Math.rndUni(-ExpParams.zone2_range, ExpParams.zone2_range), 0); 
404                dir.normalize();
405                dir.scale(-0.08);
406                cr.localDrive = dir;
407                moveEnergyDec(cr);
408        }
409}
410
411function energyTransfer(cr1, cr2)
412{
413        cr1.localDrive = XYZ.new(0,0,0);
414        var e = cr2.getPart(0).ing * ExpParams.feedtrans; //TODO efficiency dependent on age
415        e = Math.min(cr2.energy, e) + 0.0000001;
416        //Simulator.print("transferring "+e+" to "+cr1.name+" from "+cr2.name+" ("+cr2.energy+")");
417        cr2.energy_m = cr2.energy_m + e;
418        cr1.energy_p = cr1.energy_p + e;
419        if (cr1.user2["hibernated"] == 1)
420        {
421                reverseHib(cr1);
422        }
423}
424
425function reverseHib(cr)
426{
427        if (cr.user2["hibernated"] == 1)
428        {
429                setForamMeta(cr, cr.user2["gen"]); //unhibernate
430        }
431        else
432        {
433                cr.idleen = ExpParams.energy_hib * max_chamber_energ[cr.user2["gen"]][Math.min(lastChamberNum(cr), (max_chamber_energ[cr.user2["gen"]].size)-1)]; //hibernate
434        }
435        cr.user2["hibernated"] = 1 - cr.user2["hibernated"];
436}
437
438function onForamsStep(cr)
439{
440        cr.getMechPart(0).orient.set(o);
441        if (visualization(cr))
442        {
443                cr.user3.moveAbs(cr.center_x-ExpParams.zone1_range, cr.center_y-ExpParams.zone1_range, cr.center_z-ExpParams.zone1_range-getProperty(cr.user2["gen"], "chamber_proculus"));
444        }
445
446        if (deathConditions(cr) == 1)
447        {
448                Populations[0].kill(cr);
449                return;
450        }
451
452        foramMove(cr);
453
454        var repro = foramReproduce(cr);
455        if (repro == 1)
456        {
457                return;
458        }
459
460        cr.user2["max_energy_level"] = Math.max(cr.energy, cr.user2["max_energy_level"]);
461        if  (lastChamberNum(cr) <= chambers[0].size-1)
462        {
463                if ((cr.user2["max_energy_level"] >= max_chamber_energ[cr.user2["gen"]][lastChamberNum(cr)]))   
464                {
465                        foramGrow(cr, lastChamberNum(cr));
466                }       
467        }       
468}
469
470function deathConditions(cr)
471{
472        if ((cr.energy <= ExpParams.e_death_level) || (Math.rnd01 < ExpParams.hunted_prob))
473                return 1;
474        else
475                return 0;
476}
477
478function onForamsDied(cr)
479{
480        if (visualization(cr))
481        {
482                Populations[2].delete(cr.user3);
483        }
484        //fossilization
485        var geno = GenePools[0].add(cr.genotype);
486        geno.user1 = cr.user1;
487        geno.user2 = cr.user2;
488        if (ExpParams.logging == 1) Simulator.print("\"" + cr.name + "\" died...");
489        ExpState.totaltestedcr++;
490}
491
492// --------------------------------foram end -------------------------------------
493
494// -------------------------------- nutrient begin --------------------------------
495
496function createNutrientGenotype(nutrientsize, zone1_range)
497{
498        return "//0\np:sh=3,sx="+nutrientsize+",sy="+nutrientsize+",sz="+nutrientsize+",ry=1.5,vr=0.0,1.0,0.0";
499}
500
501function onNutrientsStep(cr)
502{
503        cr.moveAbs(cr.pos_x % World.wrldsiz, cr.pos_y % World.wrldsiz, 0.5);
504}
505
506function addNutrient()
507{
508        var cr = Populations[1].add(createNutrientGenotype(ExpParams.nutrientsize, ExpParams.zone1_range));
509
510        cr.name = "Nutrients";
511        cr.idleen = 0;
512        cr.energy0 = ExpParams.energy_nut;
513        cr.energy = cr.energy0;
514        cr.signals.add("nutrient");
515
516        cr.signals[0].value = cr;
517
518        placeCreatureRandomly(cr, 0, 0);
519        if (ExpParams.visualize == 1)
520        {
521                var nutsize = ExpParams.nutrientsize*10;
522                var nut = Populations[2].add("//0\np:sh=2,sx="+nutsize+",sy="+nutsize+",sz="+nutsize+",ry=1.5,vr=0.0,1.0,0.0");
523                cr.user3 = nut;
524                nut.moveAbs(cr.pos_x-1.5*nutsize, cr.pos_y-1.5*nutsize, 0.5);
525        }
526}
527
528function onNutrientsDied(cr)
529{
530        if (visualization(cr))
531        {
532                Populations[2].delete(cr.user3);
533        }
534}
535
536function nutrientGrowth()
537{
538        nutrientenergywaiting = nutrientenergywaiting + ExpParams.feedrate;
539        if (nutrientenergywaiting > ExpParams.energy_nut)
540        {
541                for (var i = 0; i < ExpParams.nutrientPop; i++)
542                {   
543                        addNutrient();
544                }
545
546                nutrientenergywaiting = 0.0;
547                Simulator.checkpoint();
548        }
549}
550
551// -------------------------------- nutrient end --------------------------------
552
553// -------------------------------- step begin --------------------------------
554
555function onStep()
556{
557
558        nutrientGrowth();
559        if (ExpParams.logging == 1)
560        {
561                createStatistics();
562        }
563
564        //reproduction --------------------------------------------
565        reprocounter += 1;
566        if (reprocounter > ExpParams.repro_time)
567        {
568                reprocounter = 0;
569                reproduce_parents(0);
570                reproduce_parents(1);
571        }
572
573        //check for extinction -----------------------------------------------
574        if (Populations[0].size == 0)
575        {
576                if (ExpParams.autorestart)
577                {
578                        Simulator.print("no more creatures, restarting...");
579                        onExpInit();
580                }
581                else
582                {
583                        Simulator.print("no more creatures, stopped.");
584                        Simulator.stop();
585                }
586        }
587        if (ExpParams.maxSteps > 0)
588        {
589                if (Simulator.stepNumber >= ExpParams.maxSteps)
590                        Simulator.stop();
591        }
592}
593
594function createStatistics()
595{       
596        var number = [[0, 0],[0,0]]; // [species][gen]
597        var e_inc = [[0, 0],[0,0]];
598        var e_nut = 0.0;
599
600        for (var i = 0; i < Populations[0].size; i++)
601        {
602                var cr = Populations[0].get(i);
603                var gen = cr.user2["gen"];
604                var species = cr.user2["species"];
605
606                number[species][gen] = number[species][gen] + 1;
607                e_inc[species][gen] = e_inc[species][gen] + cr.energy;
608        }
609
610        for (var i = 0; i < Populations[1].size; i++)
611        {
612                var cr = Populations[1].get(i);
613                e_nut += cr.energy;
614        }
615
616        var log_numbers = [number[1][0], number[1][1], number[0][0], number[0][1], Populations[1].size];
617        var log_energies = [e_inc[1][0], e_inc[1][1], e_inc[0][0], e_inc[0][1], e_nut];
618
619        log(log_numbers, "forams_log.txt");
620        log(log_energies,  "energies_log.txt");
621}
622
623function log(tolog, fname)
624{
625        var f = File.appendDirect(fname, "forams data");
626        f.writeString("" + Simulator.stepNumber);
627        for (var  i = 0; i < tolog.size; i++)
628        {
629                f.writeString(";" + tolog[i]);
630        }
631        f.writeString("\n");
632        f.close();
633}
634
635// -------------------------------- step end --------------------------------
636
637@include "standard_events.inc"
638
639~
640
641prop:
642id:visualize
643name:Show reticulopodia and nutrients
644type:d 0 1 0
645group:Foraminifera
646
647prop:
648id:maxSteps
649name:Stop after the given number of simulation steps
650type:d 0 1000000 0
651
652prop:
653id:e_repro_cost_haplo
654name:Cost of reproduction
655type:f 0.1 0.9 0.5
656group:Foraminifera
657
658prop:
659id:e_repro_cost_diplo
660name:Cost of reproduction
661type:f 0.1 0.9 0.3
662group:Foraminifera
663
664prop:
665id:chamber_proculus_haplo
666name:Size of proculus
667type:f
668group:Foraminifera
669
670prop:
671id:chamber_proculus_diplo
672name:Size of proculus
673type:f
674group:Foraminifera
675
676prop:
677id:chamber_difference_haplo
678name:Difference in size between subsequent chambers
679type:f
680group:Foraminifera
681
682prop:
683id:chamber_difference_diplo
684name:Difference in size between subsequent chambers
685type:f
686group:Foraminifera
687
688prop:
689id:hunted_prob
690name:Probability of being hunted
691type:f 0 1 0
692group:Forminifera
693
694prop:
695id:zone1_range
696name:Zone 1 range
697type:f 0 200
698group:Foraminifera
699
700prop:
701id:zone2_range
702name:Zone 2 range
703type:f 0 3000
704group:Foraminifera
705
706prop:
707id:colors
708name:Haploid and diploid colors
709type:x
710group:Foraminifera
711
712prop:
713id:min_repro_energ_haplo
714name:Min reproduction energy of forams
715type:f
716group:Foraminifera
717
718prop:
719id:min_repro_energ_diplo
720name:Min reproduction energy of forams
721type:f
722group:Foraminifera
723
724prop:
725id:repro_prob
726name:Probability of reproduction
727type:f 0 1 0.8
728group:Foraminifera
729
730prop:
731id:energies0_haplo
732name:Energy of offspring from diploid forams
733type:f
734group:Foraminifera
735
736prop:
737id:energies0_diplo
738name:Energy of offspring from diploid forams
739type:f
740group:Foraminifera
741
742prop:
743id:energy_hib
744name:Energy used for hibernation during one step
745type:f 0 1 0.001
746group:Foraminifera
747
748prop:
749id:energy_move
750name:Energy used for movement during one step
751type:f 0 20 0.001
752group:Foraminifera
753
754prop:
755id:min_vol
756name:Minimal volume for reproduction
757type:f 100 900 100
758group:Foraminifera
759
760prop:
761id:max_size
762name:Maximal size
763type:d 1 10 5
764group:Foraminifera
765
766prop:
767id:foramPop
768name:Initial forams population size
769type:d 1 1000 100
770group:Foraminifera
771
772prop:
773id:crossprob
774name:Crossover probability
775type:f 0 1 0
776group:Foraminifera
777
778prop:
779id:mutationprob
780name:Mutation probability
781type:f 0 1 0
782group:Foraminifera
783
784prop:
785id:e_death_level
786name:Minimal level of energy to sustain life
787type:f 0 20 0
788group:Foraminifera
789
790prop:
791id:e_meta
792name:Idle metabolism
793type:f 0 1
794group:Energy
795help:Each stick consumes this amount of energy in one time step
796
797prop:
798id:feedrate
799name:Feeding rate
800type:f 0 100
801group:Energy
802help:How fast energy is created in the world
803
804prop:
805id:energy_nut
806name:Nutrient energy
807type:f 0 1000
808group:Energy
809
810prop:
811id:feedtrans
812name:Ingestion multiplier
813type:f 0 100
814group:Energy
815
816prop:
817id:nutrientsize
818name:Nutrient size
819type:f 0.1 0.9 0.1
820group:Energy
821
822prop:
823id:nutrientPop
824name:Nutrient population size
825group:Energy
826type:d 1 1000 10
827
828prop:
829id:stress
830name:Environmental stress
831type:d 0 1 1
832group:World
833
834prop:
835id:repro_trigger
836name:Reproduction trigger
837type:d 0 1 1
838group:World
839
840prop:
841id:repro_time
842name:Time before reproduction
843type:d 0 1000
844
845prop:
846id:creath
847name:Creation height
848type:f -1 50
849help:~
850Vertical position (above the surface) where new Forams are revived.
851Negative values are only used in the water area:
852  0   = at the surface
853-0.5 = half depth
854-1   = just above the bottom~
855
856state:
857id:nutrient
858name:Nutrient locations
859help:vector of vectors [x,y,energy]
860type:x
861flags:32
862
863prop:
864id:autorestart
865name:Restart after extinction
866help:Restart automatically this experiment after the last creature has died?
867type:d 0 1
868
869state:
870id:notes
871name:Notes
872type:s 1
873help:~
874You can write anything here
875(it will be saved to the experiment file)~
876
877state:
878id:totaltestedcr
879name:Evaluated Forams
880help:Total number of the Forams evaluated in the experiment
881type:d
882flags:16
883
884prop:
885id:logging
886name:Log statistics to file
887type:d 0 1 0
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