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foraminifera.expdef @ 444

Last change on this file since 444 was 444, checked in by oriona, 8 years ago
Visualization of reticulopodia and nutrients added as an option in theater.
File size: 19.3 KB

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

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