File: testDepictor.cpp

package info (click to toggle)
rdkit 201203-3
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 37,840 kB
  • sloc: cpp: 93,902; python: 51,897; java: 5,192; ansic: 3,497; xml: 2,499; sql: 1,641; yacc: 1,518; lex: 1,076; makefile: 325; fortran: 183; sh: 153; cs: 51
file content (771 lines) | stat: -rw-r--r-- 28,587 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
// $Id: testDepictor.cpp 1988 2012-03-06 04:36:59Z glandrum $
//
//  Copyright (C) 2004-2010 Greg Landrum and Rational Discovery LLC
//
//   @@ All Rights Reserved @@
//  This file is part of the RDKit.
//  The contents are covered by the terms of the BSD license
//  which is included in the file license.txt, found at the root
//  of the RDKit source tree.
//
#include <RDGeneral/Invariant.h>
#include <RDGeneral/RDLog.h>
#include <GraphMol/RDKitBase.h>
#include <string>
#include <iostream>
#include <GraphMol/FileParsers/MolWriters.h>
#include <GraphMol/FileParsers/FileParsers.h>
#include <GraphMol/FileParsers/MolSupplier.h>
#include <RDGeneral/FileParseException.h>
#include "RDDepictor.h"
#include "DepictUtils.h"
#include <GraphMol/SmilesParse/SmilesParse.h>
#include <GraphMol/Conformer.h>
#include <Geometry/point.h>
#include <Geometry/Transform3D.h>
#include <RDGeneral/utils.h>
#include <stdlib.h>

#include <boost/tokenizer.hpp>
typedef boost::tokenizer<boost::char_separator<char> > tokenizer;


using namespace RDKit;

void test1() {
  //std::string smiString = "OCC(F)(F)C(F)(F)C(F)(F)C(F)F";
  
  std::string smiString = "CN([CH](Cc3ccc(OS(c2cccc1c2ccnc1)(=O)=O)cc3)C(=O)N5CCN(c4ccccc4)CC5)S(c7cccc6c7ccnc6)(=O)=O \
                           C[n](n1)ccc1NC(=O)C(/C#N)=C/c2[s]cc(c2)Br O=C2C1CC3CC(C1)CC2C3 \
                           c8cc9cc3c5c(c(=O)cc4n1nc6c2c(ccc(c12)c(cc3)c45)cc7c6cc(=O)cc7)c9cc8 \
                           c1cccc(c1)CCCCNC(=O)C(/C#N)=C/c2ccc(O)c(c2)O \
                           COc(cc1)ccc1C(=C2)C=C(NC2=C)c3ccc(OC)cc3O \
                           CC(OC1C(CCCC3)C3C(CCCC2)C2C1OC(C)=O)=O \
                           Cl.C[N+](C)(C)CCO O=C2C1CC3CC(C1)CC2C3 \
                           CN3CCC25[CH]4CCC(=O)C5(C)Oc1c(O)ccc(c12)C[CH]34 \
                           c1ccccc1\\C=C/C=C\\Cl.c1ccccc1C=C(Cl)C1SCCC1.Cl\\C=C1/SCCC1 Cl\\C=C/Br \
                           c1ccccc1\\C=C/C=C\\C=C/Cl c1ccccc1C=C(Cl)C1SCCC1 Cl\\C=C1/SCCC1 Cl\\C=C/Br \
                           CN2C3CC(OC(=O)C(CO)c1ccccc1)CC2CC3 \
                           N2C3CC(OC(=O)C(CO)c1ccccc1)CC2CC3 \
                           C2C3CC(OC(=O)C(CO)c1ccccc1)CC2CC3 \
                           ClC=C1SCCC1 C/C=C/C(C1CCCCCC1)=O c1ccccc1\\C=C/C=C\\C=C/Cl \
                           C[n](n1)ccc1NC(=O)C(/C#N)=C/c2[s]cc(c2)Br \
                           C1CC(C(Cl)(Br)F)CC1 \
                           C1(C2)CCC2C=C1 \
                           OC2C1(C)CCCCC1CCC2 \
                           CC12CCCC3OC1CCCC23 \
                           CC(OC1C(CCCC3)C3C(CCCC2)C2C1OC(C)=O)=O \
                           ON=C(CC1=CC=CC=C1)[CH](C#N)C2=CC=CC=C2 \
                           COc(cc1)ccc1C(=C2/C#N)\\C=C(NC2=C(C#N)C#N)\\c3ccc(OC)cc3O \
                           COc(cc1)ccc1C(=C2)C=C(NC2=C)c3ccc(OC)cc3O";
                          
                          /*C1=CC=CC=C1CCCC2=CC(C=CC=C3)=C3C=C2 C/C=C/C(C1CCCCCC1)=O C/C=C/C(C1CCCCCC1)=O.c1ccccc1CC(Cl)=O \
                          [I-].CCC[N+](C)(CCC)CCC C1COCCN2CCOCCN(CCO1)CCOCCOCC2 C1CN2CCN1CC2 \
                          C(CCCCCCC)(=O)CCCCCC \
                           ClCCCCCCCCCCCCCCCCCCCCCCCCCCCC(=O)CCCCCCCCCCCCCCCCCCCCCCCCCCF \
                           C(CCCCCCC)(=O)CCCCCC \
                           C/C=C/C(C1CCCCCC1)=O C1CC(CC12)C=C2 c1ccccc1\\C=C(Cl)/C#N N#C\\C=C(Cl)/Cc1ccccc1 \
                           CN(C)c(cc1)ccc1\\C=C(/C#N)c(n2)c(C#N)c([n]3cccc3)[n]2c(c4)cccc4 \
                           CCOC(=O)CN1C(=O)/C=C(/C)c(c12)c(C)n[n]2C C/12=C\\C(=O)c3cc(OC(F)(F)F)ccc3N2C(=O)/C(CC(=O)OC)=C\\1C(=O)OCC \
                           C/12=C(\\NC(N2)=O)NC(=O)NC1=O F\\C=C/Cl F/C=C/Cl c1ccccc1\\C=C/C c1ccccc1\\C=C\\C=C\\C=C\\Cl \
                           c1ccccc1\\C=C/C=C\\C=C/Cl c1ccccc1\\C=C\\C=C(O)\\C=C(Br)\\Cl \
                           c1ccccc1\\C=C/C=C(O)\\C=C(Br)/Cl \
                           CC#CCC O=C=O C1=CC=CC=C1 C1CCC1 C1CC1(C#CC) C1CCCCCCC1 C1=CC=CC=C1(CCCCCCC) \
                           C1=CC=CC=C1(CC(CCC)CCC(C)(C)C) \
                           C1=CC=CC=C1CCCC2=CC(C=CC=C3)=C3C=C2 \
                           C1=CC=CC=C1(CC(CCC)CCC(CCC)(CCC)C) \
                           C1=CC(C=CC=C2)=C2C=C1 C1=CC(C=C2)=C2C=C1 \
                           C1=CC(CCC2)=C2C=C1 C1(CCC3)CCCC2C1C3CCC2 \
                           C12=CC=C3C(C4=C(C=CC=C5)C5=C3)C1C(C=C4)=CC=C2 \
                           C12CCCC3(CCCCC3)C1CCCC2 \
                           C1CCCC2(CC2)C1 C12C3C4C1C5C2C3C45 \
                           C2(C=C(C=C5)NC5=C4)=CC(C=C2)=CC1=CC=C(C=C3C=CC4=N3)N1";
    */
  std::string rdbase = getenv("RDBASE");
  std::string ofile = rdbase + "/Code/GraphMol/Depictor/test_data/test1.out.sdf";
  SDWriter writer(ofile);

  boost::char_separator<char> spaceSep(" ");
  tokenizer tokens(smiString,spaceSep);
  for(tokenizer::iterator token=tokens.begin();
      token!=tokens.end();
      ++token){
    std::string smi=*token;
    RWMol *m = SmilesToMol(smi, 0, 1); 
    TEST_ASSERT(m)
    RDDepict::compute2DCoords(*m);
    writer.write(*m);
    delete m;
  }
}

void testCollisions() {
  std::string smiString = "CN([CH](Cc3ccc(OS(c2cccc1c2ccnc1)(=O)=O)cc3)C(=O)N5CCN(c4ccccc4)CC5)S(c7cccc6c7ccnc6)(=O)=O \
                           CC(C)C12CCC(C)(CC1)CC2 \
                           CC(C)C1CCC2(CC)CCCC1CCC2 \
                           CC(OC1C(CCCC3)C3C(CCCC2)C2C1OC(C)=O)=O \
                           OC(=O)C1=C(C=CC=C1)C2=C3C=CC(=O)C(=C3OC4=C2C=CC(=C4Br)O)Br \
                           CC(CC(=O)OCC(F)(F)C(F)(F)C(F)(F)C(F)F)CC(=O)OCC(F)(F)C(F)(F)C(F)(F)C(F)F \
    CC(C)(C)O[Si](OCC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)F)(OCC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)F)OC(C)(C)C \
    CN2C3CC(OC(=O)C(CO)c1ccccc1)CC2CC3";
  
  std::string rdbase = getenv("RDBASE");
  std::string ofile = rdbase + "/Code/GraphMol/Depictor/test_data/collisions.out.sdf";
  SDWriter writer(ofile);

  boost::char_separator<char> spaceSep(" ");
  tokenizer tokens(smiString,spaceSep);
  for(tokenizer::iterator token=tokens.begin();
      token!=tokens.end();
      ++token){
    std::string smi=*token;
    RWMol *m = SmilesToMol(smi, 0, 1);
    TEST_ASSERT(m);
    unsigned int confId = RDDepict::compute2DCoords(*m);
    // check that there are no collisions in the molecules
    const Conformer &conf = m->getConformer(confId);
    int natms = m->getNumAtoms();
    for (int i = 0; i < natms; i++) {
      RDGeom::Point3D loci = conf.getAtomPos(i);
      for (int j = i+1; j < natms; j++) {
        RDGeom::Point3D locj = conf.getAtomPos(j);
        locj -= loci;
        CHECK_INVARIANT(locj.length() > 0.35, "");
      }
    }
    writer.write(*m);
    delete m;
  }
}

void testAddHs() {
  // test for issue 193
  std::string smi = "F[C@H](Cl)Br";
  RWMol *m = SmilesToMol(smi, 0, 1);
  ROMol *m2 = MolOps::addHs(*m);
  RDDepict::compute2DCoords(*m2);
  delete m;
  delete m2;
}

void testIssue198() {
  std::string smi = "Cl.C[N+](C)(C)CCO";
  RWMol *m = SmilesToMol(smi, 0, 1);
  unsigned int confId = RDDepict::compute2DCoords(*m);
  RDKit::ROMol::AtomIterator ai;
  const Conformer &conf = m->getConformer(confId);
  for (ai = m->beginAtoms(); ai != m->endAtoms(); ai++) {
    RDGeom::Point3D loc = conf.getAtomPos((*ai)->getIdx());
    CHECK_INVARIANT(loc.x < 100.0, "");
    CHECK_INVARIANT(loc.y < 100.0, "");
    CHECK_INVARIANT(loc.z < 100.0, "");
  }
  delete m;
}

void test2() {
  std::string rdbase = getenv("RDBASE");
  std::string smifile = rdbase + "/Code/GraphMol/Depictor/test_data/first_200.tpsa.csv";
  SmilesMolSupplier smiSup(smifile, ",", 0, -1);
  
  std::string ofile = rdbase + "/Code/GraphMol/Depictor/test_data/first_200.out.sdf";
  SDWriter writer(ofile);
  ROMol *mol;
  while (1) {
    try {
      mol = smiSup.next();
      std::string mname;
      //wmol = static_cast<RWMol *>(mol);
      RDDepict::compute2DCoords(*mol);
      writer.write(*mol);
    } catch (FileParseException &) {
      break;
    }
  }
}

void test3() {
  std::string rdbase = getenv("RDBASE");
  std::string smifile = rdbase + "/Code/GraphMol/Depictor/test_data/cis_trans_cases.csv";
  SmilesMolSupplier smiSup(smifile, ",", 0, 1);
  
  std::string ofile = rdbase + "/Code/GraphMol/Depictor/test_data/cis_trans_cpp.out.sdf";
  SDWriter writer(ofile);
  ROMol *mol;
  while (1) {
    try {
      mol = smiSup.next();
      std::string mname;
      //wmol = static_cast<RWMol *>(mol);
      RDDepict::compute2DCoords(*mol);
      writer.write(*mol);
    } catch (FileParseException &) {
      break;
    }
  }
}

void _compareCoords(const ROMol *mol1, unsigned int cid1, 
                    const ROMol *mol2, unsigned int cid2,
                    double tol = 0.01) {
  unsigned int nat = mol1->getNumAtoms();
  CHECK_INVARIANT(nat == mol2->getNumAtoms(), "");
 
  const RDKit::Conformer &conf1 = mol1->getConformer(cid1);
  const RDKit::Conformer &conf2 = mol1->getConformer(cid2);

  for (unsigned int i = 0; i < nat; i++) {
    RDGeom::Point3D pt1 = conf1.getAtomPos(i);
    RDGeom::Point3D pt2 = conf2.getAtomPos(i);
    pt2 -= pt1;
    
    CHECK_INVARIANT(fabs(pt2.x) < tol, "");
    CHECK_INVARIANT(fabs(pt2.y) < tol, "");
    //if ((fabs(pt2.x) >= tol) || (fabs(pt2.y) >= tol) ) {
    //  BOOST_LOG(rdInfoLog)<< pt1 << " " << pt2 << "\n";
    //}
  }
}

void test4() {
  // test prespecified coordinates for various smiles
  RDGeom::INT_POINT2D_MAP crdMap;
  crdMap[0] = RDGeom::Point2D(3.52, 1.30); crdMap[1] = RDGeom::Point2D(2.77, 0.0);
  crdMap[2] = RDGeom::Point2D(1.27, 0.0); crdMap[3] = RDGeom::Point2D(0.39, 1.21);
  crdMap[4] = RDGeom::Point2D(-1.03, 0.75); crdMap[5] = RDGeom::Point2D(-1.03, -0.75);
  crdMap[6] = RDGeom::Point2D(0.39, -1.21);

  // self check
  std::string smi = "Cl\\C=C1/SCCC1";
  RWMol *m1 = SmilesToMol(smi, 0, 1); 
  unsigned int cid1 = RDDepict::compute2DCoords(*m1, &crdMap, false);
  RWMol *mref = SmilesToMol(smi, 0, 1);
  unsigned int cid2 = RDDepict::compute2DCoords(*mref);
  MolToMolFile(*mref, "junk.mol");
  //_compareCoords(m1, mref);

  delete m1;
  
  // now lets remove some of the coordinates
  crdMap.erase(crdMap.find(3));
  crdMap.erase(crdMap.find(4));
  m1 = SmilesToMol(smi, 0, 1); 
  cid1 = RDDepict::compute2DCoords(*m1, &crdMap, false);
  //MolToMolFile(m1, "junk.mol");
  //_compareCoords(m1, mref);
  delete m1;

  //little bit more complicated
  smi = "Cl\\C=C1/SCCC1(CC1CC1)";
  m1 = SmilesToMol(smi, 0, 1); 
  cid1 = RDDepict::compute2DCoords(*m1, &crdMap, false);
  //MolToMolFile(m1, "junk1.mol");
  delete mref;
  mref = SmilesToMol(smi, 0, 1);
  RDDepict::compute2DCoords(*mref, 0, false);
  _compareCoords(m1, cid1, mref, cid2);
  delete m1;

  // little more complicate we will specify coordinates from half of both the rings
  crdMap[7] = RDGeom::Point2D(0.85, -2.64);
  crdMap[8] = RDGeom::Point2D(-0.15, -3.75);
  crdMap[9] = RDGeom::Point2D(-0.46, -5.22);
  m1 = SmilesToMol(smi, 0, 1);
  cid1 = RDDepict::compute2DCoords(*m1, &crdMap, false);
  //MolToMolFile(m1, "junk1.mol");
  //MolToMolFile(mref, "junk2.mol");
  _compareCoords(m1, cid1, mref, cid2);
  delete m1;

  // one final test for a case we know is a pain
  smi = "C1CCCC2(Cl)(CCCCCC12)";
  crdMap.clear();
  crdMap[0]=RDGeom::Point2D(-0.83,-3.12); crdMap[1]=RDGeom::Point2D(0.19,-4.22);
  crdMap[2]=RDGeom::Point2D(1.66,-3.88); crdMap[3]=RDGeom::Point2D(2.10, -2.45); 
  crdMap[4]=RDGeom::Point2D(1.08,-1.35); crdMap[5]=RDGeom::Point2D(2.56, -1.12);
  crdMap[6]=RDGeom::Point2D(1.73,0.00); crdMap[7]=RDGeom::Point2D(1.08, 1.35);
  crdMap[8]=RDGeom::Point2D(-0.38,1.69); crdMap[9]=RDGeom::Point2D(-1.56, 0.75);
  crdMap[10]=RDGeom::Point2D(-1.56,-0.75); crdMap[11]=RDGeom::Point2D(-0.38, -1.69);
  
  delete mref;
  mref = SmilesToMol(smi, 0, 1);
  cid2 = RDDepict::compute2DCoords(*mref, 0, false);
  crdMap.erase(crdMap.find(5));
  //MolToMolFile(mref, "junk1.mol");
  m1 = SmilesToMol(smi, 0, 1);
  cid1 = RDDepict::compute2DCoords(*m1, &crdMap, false);
  _compareCoords(m1, cid1, mref, cid2);
  delete m1;
  delete mref;
}

void tempTest() {
  int i;
  RDGeom::Point3D pt1, pt2, pt3;
  double cosT, sinT;
  RDGeom::Transform3D trans;
  RDGeom::Point3D rotnAxis;
  double dt;
  for (i = 0; i < 100; i++) {
    pt1.x = (double)(rand()%1000);
    pt1.y = (double)(rand()%1000);
    pt1.z = (double)(rand()%1000);
    pt1.normalize();
    pt2.x = (double)(rand()%1000);
    pt2.y = (double)(rand()%1000);
    pt2.z = (double)(rand()%1000);
    pt2.normalize();
    
    cosT = -pt1.dotProduct(pt2);
    sinT = sqrt(1.0-cosT*cosT);
    rotnAxis = pt1.crossProduct(pt2);
    rotnAxis.normalize();
    trans.setToIdentity();
    trans.SetRotation(cosT,sinT, rotnAxis);
    pt3 = pt2;
    trans.TransformPoint(pt3);
    dt = pt1.dotProduct(pt3);
    if (fabs(dt + 1.0) > 1.0e-3) {
      BOOST_LOG(rdInfoLog)<< i << " (" << pt1 << ") (" << pt2 << ") (" 
                << pt3 << ") (" << rotnAxis << ") " << dt << "\n";
    }
  }
}

void testIssue248() {
  std::string smiString = "OCC(=O)C1(O)[CH](O)C[CH]2[CH]3CCC4=CC(=O)C=CC4(C)C3(F)[CH](O)CC21C \
   CC(C)[CH](OC(C)=O)c1nc2ccccc2c(=O)n1[CH]1CC2(OC1=O)c1c(cccc1)N1C(=O)C(C)(C)N(O)[CH]12 \
   CC(CC(=O)OCC(F)(F)C(F)(F)C(F)(F)C(F)F)CC(=O)OCC(F)(F)C(F)(F)C(F)(F)C(F)F \
   CC(O[CH]1C(=O)C2(C)[CH](O)C[CH]3OCC3(OC(C)=O)[CH]2[CH](OC(=O)c2ccccc2)C2(O)C[CH](OC([CH](O)[CH](NC(=O)c3ccccc3)c3ccccc3)=O)C(C)=C1C2(C)C)=O \
  COc1c2O[CH]3[CH](O)C=C[CH]4C33CCN(C)[CH]4Cc(c32)cc1 \
  CN1CCC23[CH]4Oc5c(O)ccc(c25)C[CH]1[CH]3C=C[CH]4O \
  CN1C2CCC1C[CH](OC(=O)C(CO)c1ccccc1)C2 \
  COC([CH]1C2CCC(C[CH]1OC(c1ccccc1)=O)N2C)=O \
  OCC(=O)C1(O)[CH](O)C[CH]2[CH]3CCC4=CC(=O)C=CC4(C)C3(F)[CH](O)CC21C";
  //COC12C3Oc4c(O)ccc5c4C33CCN(CC4CC4)[CH](C5)C3(C[CH]1C(O)(C)C(C)(C)C)CC2";

  boost::char_separator<char> spaceSep(" ");
  tokenizer tokens(smiString,spaceSep);
  for(tokenizer::iterator token=tokens.begin();
      token!=tokens.end();
      ++token){
    std::string smi=*token;
    RWMol *m = SmilesToMol(smi, 0, 1); 
    unsigned int confId = RDDepict::compute2DCoords(*m);
    // check that there are no collisions in the molecules
    int natms = m->getNumAtoms();
    int i, j;
    for (i = 0; i < natms; i++) {
      const Conformer &conf = m->getConformer(confId);
      RDGeom::Point3D loci = conf.getAtomPos(i);
      for (j = i+1; j < natms; j++) {
        RDGeom::Point3D locj = conf.getAtomPos(j);
        locj -= loci;
        if(locj.length()<=0.30){
          std::cout << "mismatch: " << i << " " << j << " " << locj.length() << std::endl;
          std::cout << "\t" << smi << std::endl;
          std::cout << MolToMolBlock(*m,true,confId)<<std::endl;
        }
        CHECK_INVARIANT(locj.length() > 0.30, "");
      }
    }
    delete m;
  }
}

void testQueries() {
  std::string smaString = "C[C,N] c1cc[c,n]cc1C";

  boost::char_separator<char> spaceSep(" ");
  tokenizer tokens(smaString,spaceSep);
  for(tokenizer::iterator token=tokens.begin();
      token!=tokens.end();
      ++token){
    std::string sma=*token;
    RWMol *m = SmartsToMol(sma);
    unsigned int confId = RDDepict::compute2DCoords(*m);
    // check that there are no collisions in the molecules
    int natms = m->getNumAtoms();
    int i, j;
    for (i = 0; i < natms; i++) {
      const Conformer &conf = m->getConformer(confId);
      RDGeom::Point3D loci = conf.getAtomPos(i);
      for (j = i+1; j < natms; j++) {
        RDGeom::Point3D locj = conf.getAtomPos(j);
        locj -= loci;
        if(locj.length()<=0.30){
          std::cout << "mismatch: " << i << " " << j << " " << locj.length() << std::endl;
          std::cout << "\t" << sma << std::endl;
          std::cout << MolToMolBlock(*m,true,confId)<<std::endl;
        }
        CHECK_INVARIANT(locj.length() > 0.30, "");
      }
    }
    delete m;
  }
}

void testRemoveHsCrash() {
  std::string rdbase = getenv("RDBASE");
  std::string molfile = rdbase + "/Code/GraphMol/Depictor/test_data/hs_crash.mol";
  RWMol *m=MolFileToMol(molfile,true,false);
  TEST_ASSERT(m);
  ROMol *newM=MolOps::removeHs(*static_cast<ROMol *>(m));
  delete m;
  unsigned int confId = RDDepict::compute2DCoords(*newM);
  TEST_ASSERT(confId>=0);
  delete newM;
}
    

void testIssue2091304() {
  // the problem here was a crash, so just finishing is success.
  RDGeom::INT_POINT2D_MAP crdMap;
  crdMap[0] = RDGeom::Point2D(0., 1.50);

  std::string smi = "COC";
  RWMol *m1 = SmilesToMol(smi);
  RDDepict::compute2DCoords(*m1, &crdMap, false);
  delete m1;
}

void testIssue2303566() {
  RDGeom::INT_POINT2D_MAP crdMap;
  crdMap[0]=RDGeom::Point2D(0.0781827, -0.112109);
  crdMap[1]=RDGeom::Point2D(1.13205, -0.415657);
  crdMap[2]=RDGeom::Point2D(0.676323, -1.51974);
  crdMap[3]=RDGeom::Point2D(0.735363, -2.62024);
  crdMap[4]=RDGeom::Point2D(0.974216, -1.5726);
  crdMap[5]=RDGeom::Point2D(1.02041, -1.56945);
  std::string mb = "\n\
     RDKit          2D\n\
\n\
  6  7  0  0  0  0  0  0  0  0999 V2000\n\
    0.0782   -0.1121    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n\
    1.1321   -0.4157    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n\
    0.6763   -1.5197    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n\
    0.7354   -2.6202    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n\
    1.0098   -1.5757    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n\
    1.0218   -1.5749    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n\
  1  2  1  0\n\
  1  3  1  0\n\
  3  2  1  0\n\
  3  4  1  0\n\
  5  6  2  0\n\
  2  4  1  0\n\
  1  4  1  0\n\
M  END\n";

  RWMol *m1 = MolBlockToMol(mb);
  // in the original bug, this led to a crash, so just having it complete
  // means the test passed.
  unsigned int cid1 = RDDepict::compute2DCoords(*m1, &crdMap, false);
  TEST_ASSERT(cid1>=0);
  delete m1;
}

void testIssue2821647() {
  {
    std::string smi = "CCCCC";
    RWMol *m1 = SmilesToMol(smi);
    unsigned int cid1 = RDDepict::compute2DCoords(*m1,0,true);
    double xx=0,yy=0;
    for (unsigned int i = 0; i < m1->getNumAtoms(); i++) {
      const Conformer &conf = m1->getConformer(cid1);
      RDGeom::Point3D loci = conf.getAtomPos(i);
      xx+=loci.x*loci.x;
      yy+=loci.y*loci.y;
    }
    TEST_ASSERT(xx>yy);
    delete m1;
  }
  {
    std::string smi = "c1ccccc1CCCCCC1CC1";
    RWMol *m1 = SmilesToMol(smi);
    unsigned int cid1 = RDDepict::compute2DCoords(*m1,0,true);
    double xx=0,yy=0;
    for (unsigned int i = 0; i < m1->getNumAtoms(); i++) {
      const Conformer &conf = m1->getConformer(cid1);
      RDGeom::Point3D loci = conf.getAtomPos(i);
      xx+=loci.x*loci.x;
      yy+=loci.y*loci.y;
    }
    TEST_ASSERT(xx>yy);
    delete m1;
  }
  {
    std::string smi = "c1ccc2c(c1)oc1c3ccccc3oc21";
    RWMol *m1 = SmilesToMol(smi);
    unsigned int cid1 = RDDepict::compute2DCoords(*m1,0,true);
    double xx=0,yy=0;
    for (unsigned int i = 0; i < m1->getNumAtoms(); i++) {
      const Conformer &conf = m1->getConformer(cid1);
      RDGeom::Point3D loci = conf.getAtomPos(i);
      xx+=loci.x*loci.x;
      yy+=loci.y*loci.y;
    }
    TEST_ASSERT(xx>yy);
    delete m1;
  }
  {
    std::string smi = "[H]n1c2ccccc2c2n([H])c3ccccc3c12";
    RWMol *m1 = SmilesToMol(smi);
    unsigned int cid1 = RDDepict::compute2DCoords(*m1,0,true);
    double xx=0,yy=0;
    for (unsigned int i = 0; i < m1->getNumAtoms(); i++) {
      const Conformer &conf = m1->getConformer(cid1);
      RDGeom::Point3D loci = conf.getAtomPos(i);
      xx+=loci.x*loci.x;
      yy+=loci.y*loci.y;
    }
    TEST_ASSERT(xx>yy);
    delete m1;
  }
}

void testIssue2948402() {
  {
    std::string smi = "C1C2CC3=CC=CC(C2)CC(O3)C1";
    RWMol *m1 = SmilesToMol(smi);
    unsigned int cid1 = RDDepict::compute2DCoords(*m1,0,true);
    TEST_ASSERT(cid1>=0);
    delete m1;
  }
}

void testIssue2995724() {
  {
    // the original problem from Thomas Heller:
    std::string smi = "OC(=O)[C@@H]1CCCN1";
    RWMol *m1 = SmilesToMol(smi);
    unsigned int cid1 = RDDepict::compute2DCoords(*m1,0,true);
    
    const Conformer &conf = m1->getConformer(cid1);
    for (unsigned int i = 0; i < m1->getNumAtoms(); i++) {
      RDGeom::Point3D loci = conf.getAtomPos(i);
      // we're testing for NaNs here:
      TEST_ASSERT(loci.x>-5.0);
      TEST_ASSERT(loci.x<5.0);
      TEST_ASSERT(loci.y>-5.0);
      TEST_ASSERT(loci.y<5.0);
    }
    delete m1;
  }
  {
    // additional test cases from Kirk DeLisle:
    std::string smis[]={"CCC(N1CCN(CC1)C(CC)O)O.Cl[Pt](Cl)(Cl)(Cl)(Cl)Cl",
                        "CN(C)S(=O)(=O)N1CCN(CC1)S(=O)(=O)N(C)C",
                        "Cc1ccc(cc1C)Nc2nc(nc(n2)N)CN3CCN(CC3)C",
                        "CC1(OC(=C(C(=O)O1)C2=NCCC2)O)C"};
    for(unsigned int j=0;j<4;j++){
      RWMol *m1 = SmilesToMol(smis[j]);
      unsigned int cid1 = RDDepict::compute2DCoords(*m1,0,true);
    
      const Conformer &conf = m1->getConformer(cid1);
      for (unsigned int i = 0; i < m1->getNumAtoms(); i++) {
        RDGeom::Point3D loci = conf.getAtomPos(i);
        TEST_ASSERT(loci.x>-7.0);
        TEST_ASSERT(loci.x<7.0);
        TEST_ASSERT(loci.y>-6.0);
        TEST_ASSERT(loci.y<6.0);
      }
      delete m1;
    }
  }
}

void testBondLengthChange() {
  {
    std::string smi = "CC";
    RWMol *m1 = SmilesToMol(smi);
    unsigned int cid1 = RDDepict::compute2DCoords(*m1,0,true);
    
    const Conformer &conf = m1->getConformer(cid1);
    TEST_ASSERT(feq(conf.getAtomPos(0).x,-0.75));
    TEST_ASSERT(feq(conf.getAtomPos(1).x,0.75));

    delete m1;
  }
  {
    std::string smi = "CC";
    RWMol *m1 = SmilesToMol(smi);
    RDDepict::BOND_LEN=1.0;
    unsigned int cid1 = RDDepict::compute2DCoords(*m1,0,true);
    
    const Conformer &conf = m1->getConformer(cid1);
    TEST_ASSERT(feq(conf.getAtomPos(0).x,-0.5));
    TEST_ASSERT(feq(conf.getAtomPos(1).x,0.5));

    delete m1;
  }
}

void testIssue3122141() {
  {
    std::string smi = "ClC1=C(Cl)C2(Cl)C3C(Cl)C=CC3C1(Cl)C2(Cl)Cl";
    RWMol *m1 = SmilesToMol(smi);
    RDGeom::INT_POINT2D_MAP crdMap;
    crdMap[1]=RDGeom::Point2D(1.0,2.0);
    unsigned int cid1 = RDDepict::compute2DCoords(*m1, &crdMap, false);
    TEST_ASSERT(cid1>=0);
    delete m1;
  }
}


void testIssue3135833() {
  {
    std::string smi = "N#CC(/C=[N+](/c1cccnc1)c1c2cc(C(=O)c3ncsc3-c3cccnc3)ccc2ccc1)=C(/[NH3+])[S-]";
    RWMol *m1 = SmilesToMol(smi);
    TEST_ASSERT(m1);
    
    RDGeom::INT_POINT2D_MAP crdMap;
    crdMap[32]=RDGeom::Point2D(-2.8518,1.0270);
    crdMap[33]=RDGeom::Point2D(-2.7999,-0.4721);
    crdMap[4]=RDGeom::Point2D(-1.4239,-2.6758);
    crdMap[11]=RDGeom::Point2D(-1.4757,-1.1767);
    crdMap[12]=RDGeom::Point2D(-0.2034,-0.3823);
    crdMap[13]=RDGeom::Point2D(1.1208,-1.0869);
    crdMap[14]=RDGeom::Point2D(2.3931,-0.2924);
    crdMap[15]=RDGeom::Point2D(3.7173,-0.9971);
    crdMap[28]=RDGeom::Point2D(2.3412,1.2067);
    crdMap[29]=RDGeom::Point2D(1.0170,1.9113);
    crdMap[30]=RDGeom::Point2D(-0.2553,1.1168);
    crdMap[31]=RDGeom::Point2D(-1.5795,1.8215);

    unsigned int cid1 = RDDepict::compute2DCoords(*m1, &crdMap, false);
    TEST_ASSERT(cid1>=0);
    delete m1;
  }
}

void testIssue3487469() {
  {
    std::string smi = "C*C";
    RWMol *m1 = SmilesToMol(smi);
    TEST_ASSERT(m1);
    TEST_ASSERT(m1->getAtomWithIdx(1)->getHybridization()==Atom::UNSPECIFIED);
    unsigned int cid1 = RDDepict::compute2DCoords(*m1,0,true);
    const Conformer &conf = m1->getConformer(cid1);
    RDGeom::Point3D p0 = conf.getAtomPos(0);
    RDGeom::Point3D p1 = conf.getAtomPos(1);
    RDGeom::Point3D p2 = conf.getAtomPos(2);

    RDGeom::Point3D v1=p0-p1,v2=p2-p1;
    v1.normalize();
    v2.normalize();
    TEST_ASSERT(feq(v1.dotProduct(v2),-0.5,.01))
    delete m1;
  }
}



int main() { 
  RDLog::InitLogs();
#if 1
  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";
  BOOST_LOG(rdInfoLog)<< "   test1 \n";
  test1();
  BOOST_LOG(rdInfoLog)<< "***********************************************************\n\n";
  
  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";
  BOOST_LOG(rdInfoLog)<< "   testCollisions \n";
  testCollisions();
  BOOST_LOG(rdInfoLog)<< "***********************************************************\n\n";

  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";
  BOOST_LOG(rdInfoLog)<< "   testAddHs \n";
  testAddHs();
  BOOST_LOG(rdInfoLog)<< "***********************************************************\n\n";

  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";
  BOOST_LOG(rdInfoLog)<< "   test198 \n";
  testIssue198();
  BOOST_LOG(rdInfoLog)<< "***********************************************************\n\n";

  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";
  BOOST_LOG(rdInfoLog)<< "   test2 \n";
  test2();
  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";

  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";
  BOOST_LOG(rdInfoLog)<< "   test3 \n";
  test3();
  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";
  
  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";
  BOOST_LOG(rdInfoLog)<< "   test4 \n";
  test4();
  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";
  
  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";
  BOOST_LOG(rdInfoLog)<< "   tempTest \n";
  tempTest();
  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";

  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";
  BOOST_LOG(rdInfoLog)<< "   Issue248 \n";
  testIssue248();
  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";

  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";
  BOOST_LOG(rdInfoLog)<< "   Test Queries \n";
  testQueries();
  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";

  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";
  BOOST_LOG(rdInfoLog)<< "   Test crashes associated with RemoveHs \n";
  testRemoveHsCrash();
  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";

  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";
  BOOST_LOG(rdInfoLog)<< "   Test Issue 2091304\n";
  testIssue2091304();
  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";

  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";
  BOOST_LOG(rdInfoLog)<< "   Test Issue 2303566\n";
  testIssue2303566();
  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";

  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";
  BOOST_LOG(rdInfoLog)<< "   Test Issue 2821647\n";
  testIssue2821647();
  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";

  
  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";
  BOOST_LOG(rdInfoLog)<< "   Test Issue 2948402\n";
  testIssue2948402();
  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";

  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";
  BOOST_LOG(rdInfoLog)<< "   Test Issue 2995724\n";
  testIssue2995724();
  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";

  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";
  BOOST_LOG(rdInfoLog)<< "   Testing a change of the depictor bond length\n";
  testBondLengthChange();
  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";

  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";
  BOOST_LOG(rdInfoLog)<< "   Test Issue 3122141\n";
  testIssue3122141();
  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";
#endif

  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";
  BOOST_LOG(rdInfoLog)<< "   Test Issue 3135833\n";
  testIssue3135833();
  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";

  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";
  BOOST_LOG(rdInfoLog)<< "   Test Issue 3487469\n";
  testIssue3487469();
  BOOST_LOG(rdInfoLog)<< "***********************************************************\n";

  return(0);
}