private double caclModelScale(IReaction rxn) {
List<IAtomContainer> mols = new ArrayList<>();
for (IAtomContainer mol : rxn.getReactants().atomContainers()) mols.add(mol);
for (IAtomContainer mol : rxn.getProducts().atomContainers()) mols.add(mol);
for (IAtomContainer mol : rxn.getAgents().atomContainers()) mols.add(mol);
return caclModelScale(mols);
}
@Test
public void testReaction() throws Exception {
String cmlString =
"<reaction>"
+ "<reactantList><reactant><molecule id='react'/></reactant></reactantList>"
+ "<productList><product><molecule id='product'/></product></productList>"
+ "<substanceList><substance><molecule id='water'/></substance></substanceList>"
+ "</reaction>";
IChemFile chemFile = parseCMLString(cmlString);
IReaction reaction = checkForSingleReactionFile(chemFile);
Assert.assertEquals(1, reaction.getReactantCount());
Assert.assertEquals(1, reaction.getProductCount());
Assert.assertEquals(1, reaction.getAgents().getMoleculeCount());
Assert.assertEquals("react", reaction.getReactants().getMolecule(0).getID());
Assert.assertEquals("product", reaction.getProducts().getMolecule(0).getID());
Assert.assertEquals("water", reaction.getAgents().getMolecule(0).getID());
}
/**
* Depict a reaction.
*
* @param rxn reaction instance
* @return depiction
* @throws CDKException a depiction could not be generated
*/
public Depiction depict(IReaction rxn) throws CDKException {
ensure2dLayout(rxn); // can reorder components!
final Color fgcol =
getParameterValue(StandardGenerator.AtomColor.class)
.getAtomColor(rxn.getBuilder().newInstance(IAtom.class, "C"));
final List<IAtomContainer> reactants = toList(rxn.getReactants());
final List<IAtomContainer> products = toList(rxn.getProducts());
final List<IAtomContainer> agents = toList(rxn.getAgents());
// set ids for tagging elements
int molId = 0;
for (IAtomContainer mol : reactants) {
setIfMissing(mol, MarkedElement.ID_KEY, "mol" + ++molId);
setIfMissing(mol, MarkedElement.CLASS_KEY, "reactant");
}
for (IAtomContainer mol : products) {
setIfMissing(mol, MarkedElement.ID_KEY, "mol" + ++molId);
setIfMissing(mol, MarkedElement.CLASS_KEY, "product");
}
for (IAtomContainer mol : agents) {
setIfMissing(mol, MarkedElement.ID_KEY, "mol" + ++molId);
setIfMissing(mol, MarkedElement.CLASS_KEY, "agent");
}
final Map<IChemObject, Color> myHighlight = new HashMap<>();
if (highlightAtomMap) {
myHighlight.putAll(makeHighlightAtomMap(reactants, products));
}
// user highlight buffer pushes out the atom-map highlight if provided
myHighlight.putAll(highlight);
highlight.clear();
final List<Double> reactantScales = prepareCoords(reactants);
final List<Double> productScales = prepareCoords(products);
final List<Double> agentScales = prepareCoords(agents);
// highlight parts
for (Map.Entry<IChemObject, Color> e : myHighlight.entrySet())
e.getKey().setProperty(StandardGenerator.HIGHLIGHT_COLOR, e.getValue());
// setup the model scale based on bond length
final double scale = this.caclModelScale(rxn);
final DepictionGenerator copy = this.withParam(BasicSceneGenerator.Scale.class, scale);
final RendererModel model = copy.getModel();
// reactant/product/agent element generation, we number the reactants, then products then agents
List<Bounds> reactantBounds = copy.generate(reactants, model, 1);
List<Bounds> productBounds =
copy.generate(toList(rxn.getProducts()), model, rxn.getReactantCount());
List<Bounds> agentBounds =
copy.generate(
toList(rxn.getAgents()), model, rxn.getReactantCount() + rxn.getProductCount());
// remove current highlight buffer
for (IChemObject obj : myHighlight.keySet())
obj.removeProperty(StandardGenerator.HIGHLIGHT_COLOR);
// generate a 'plus' element
Bounds plus = copy.generatePlusSymbol(scale, fgcol);
// reset the coordinates to how they were before we invoked depict
resetCoords(reactants, reactantScales);
resetCoords(products, productScales);
resetCoords(agents, agentScales);
final Bounds emptyBounds = new Bounds();
final Bounds title =
copy.getParameterValue(BasicSceneGenerator.ShowReactionTitle.class)
? copy.generateTitle(rxn, scale)
: emptyBounds;
final List<Bounds> reactantTitles = new ArrayList<>();
final List<Bounds> productTitles = new ArrayList<>();
if (copy.getParameterValue(BasicSceneGenerator.ShowMoleculeTitle.class)) {
for (IAtomContainer reactant : reactants)
reactantTitles.add(copy.generateTitle(reactant, scale));
for (IAtomContainer product : products) productTitles.add(copy.generateTitle(product, scale));
}
final Bounds conditions =
generateReactionConditions(rxn, fgcol, model.get(BasicSceneGenerator.Scale.class));
return new ReactionDepiction(
model,
reactantBounds,
productBounds,
agentBounds,
plus,
rxn.getDirection(),
dimensions,
reactantTitles,
productTitles,
title,
conditions,
fgcol);
}