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root/cvsroot/UserCode/GPetrucc/interface/fwlite/Scanner.h

Comparing UserCode/GPetrucc/interface/fwlite/Scanner.h (file contents):
Revision 1.3 by gpetrucc, Thu Jan 28 12:00:32 2010 UTC vs.
Revision 1.8 by gpetrucc, Thu Feb 11 10:12:09 2010 UTC

#	Line 5 | Line 5
5		#include <TString.h>
6		#include <TObjString.h>
7		#include <TObjArray.h>
8	+	#include <TDirectory.h>
9	+	#include <TEnv.h>
10	+	#include <TClass.h>
11
12		#if !defined(__CINT__) && !defined(__MAKECINT__)
13		#include "UserCode/GPetrucc/interface/fwliteHelpers.h"
14		#else
15	+	#ifndef UserCode_GPetrucc_CINT_load_library
16	+	#define UserCode_GPetrucc_CINT_load_library
17		// load the library that contains the dictionaries
18		int _load_UserCodeGPetrucc = gSystem->Load("libUserCodeGPetrucc.so");
19		#endif
20	+	#endif
21	+
22	+	#include "UserCode/GPetrucc/interface/fwlite/EventSelectors.h"
23
24		namespace fwlite {
25		template<typename T>
#	Line 19 | Line 27 | namespace fwlite {
27		public:
28		typedef fwlite::Handle<std::vector<T> > HandleT;
29		Scanner(fwlite::EventBase *ev, const char *label, const char *instance = "", const char *process="")  :
30	<	//helper::ScannerBase(Reflex::Type::ByTypeInfo(typeid(T))),
31	<	event_(ev), label_(label), instance_(instance), printFullEventId_(ev->isRealData())
30	>	event_(ev), label_(label), instance_(instance),
31	>	printFullEventId_(ev->isRealData()),
32	>	ignoreExceptions_(false),
33	>	exprSep_(":"),
34	>	maxLinesToPrint_(50)
35		{
36	<	Reflex::Type wrapperType = Reflex::Type::ByTypeInfo(HandleT::TempWrapT::typeInfo());
37	<	objType = helpme.elementType(Reflex::Type::ByTypeInfo(HandleT::TempWrapT::typeInfo()));
36	>	objType = helper::Parser::elementType(Reflex::Type::ByTypeInfo(HandleT::TempWrapT::typeInfo()));
37	>	eventSelectors_.SetOwner();
38		}
39
40
41	<	void scan(const char *exprs, const char *cut="", int nmax=20) {
41	>	void scan(const char *exprs, const char *cut="", int nmax=-1) {
42		helper::ScannerBase scanner(objType);
43	+	scanner.setIgnoreExceptions(ignoreExceptions_);
44
45	<	TObjArray  *exprArray = TString(exprs).Tokenize(":");
45	>	TObjArray  *exprArray = TString(exprs).Tokenize(exprSep_);
46		int rowline = 0;
47		if (printFullEventId_) {
48		printf(" : %9s : %4s : %9s : %3s", "RUN", "LUMI", "EVENT", "#IT");
#	Line 40 | Line 52 | namespace fwlite {
52		rowline += 3+6+3+3-1;  // -1 as first char remain blank
53		}
54		for (int i = 0; i < exprArray->GetEntries(); ++i) {
55	<	const char *ex = ((TObjString *)(*exprArray)[i])->GetString();
56	<	scanner.addExpression(ex);
57	<	printf(" : %8s", (strlen(ex)>8 ? ex+strlen(ex)-8 : ex)); // the rightmost part is usually the more interesting one
55	>	TString str = ((TObjString *)(*exprArray)[i])->GetString();
56	>	std::string lb = str.Data();
57	>	std::string ex = str.Data();
58	>	if ((ex[0] == '@') && (ex.find('=') != std::string::npos)) {
59	>	lb = lb.substr(1,ex.find('=')-1);
60	>	ex = ex.substr(ex.find('=')+1);
61	>	}
62	>	scanner.addExpression(ex.c_str());
63	>	printf(" : %8s", (lb.size()>8 ? lb.substr(lb.size()-8) : lb).c_str()); // the rightmost part is usually the more interesting one
64		rowline += 3+8;
65		}
66		std::cout << " :" << std::endl;
#	Line 54 | Line 72 | namespace fwlite {
72
73		if (strlen(cut)) scanner.setCut(cut);
74
75	<	int iev = 0;
76	<	for (event_->toBegin(); (iev < nmax) && !event_->atEnd(); ++iev, ++(*event_)) {
75	>	int iev = 0, line = 0;
76	>	for (event_->toBegin(); (iev != nmax) && !event_->atEnd(); ++iev, ++(*event_)) {
77	>	if (!selectEvent(*event_)) continue;
78		handle_.getByLabel(*event_, label_.c_str(), instance_.c_str(), process_.c_str());
79	+	if (handle_.failedToGet()) {
80	+	if (ignoreExceptions_) continue;
81	+	}
82		const std::vector<T> & vals = *handle_;
83		for (size_t j = 0, n = vals.size(); j < n; ++j) {
84		if (!scanner.test(&vals[j])) continue;
#	Line 68 | Line 90 | namespace fwlite {
90		}
91		scanner.print(&vals[j]);
92		std::cout << " :" << std::endl;
93	+	if (++line == maxLinesToPrint_) {
94	+	line = 0;
95	+	if (!wantMore()) {
96	+	iev = nmax-1; // this is to exit the outer loop
97	+	break;        // and this to exit the inner one
98	+	}
99	+	}
100		}
101		}
102		std::cout << std::endl;
103		}
104	+
105	+	size_t count(const char *cut) {
106	+	helper::ScannerBase scanner(objType);
107	+	scanner.setIgnoreExceptions(ignoreExceptions_);
108	+
109	+	scanner.setCut(cut);
110	+
111	+	size_t npass = 0;
112	+	for (event_->toBegin(); !event_->atEnd(); ++(*event_)) {
113	+	if (!selectEvent(*event_)) continue;
114	+	handle_.getByLabel(*event_, label_.c_str(), instance_.c_str(), process_.c_str());
115	+	const std::vector<T> & vals = *handle_;
116	+	for (size_t j = 0, n = vals.size(); j < n; ++j) {
117	+	if (scanner.test(&vals[j])) npass++;
118	+	}
119	+	}
120	+
121	+	return npass;
122	+	}
123	+
124	+	TH1 * draw(const char *expr, const char *cut = "", TString drawopt = "", TH1 *hist = 0) {
125	+	// prep the machinery
126	+	helper::ScannerBase scanner(objType);
127	+	scanner.setIgnoreExceptions(ignoreExceptions_);
128	+	if (!scanner.addExpression(expr)) return 0;
129	+	if (strlen(cut)) scanner.setCut(cut);
130	+
131	+	// make histo, if needed
132	+	if (hist == 0) {
133	+	if (TString(drawopt).Contains("same",TString::kIgnoreCase) &&
134	+	gDirectory && gDirectory->Get("htemp") != 0 &&
135	+	gDirectory->Get("htemp")->IsA()->InheritsFrom(TH1::Class())) {
136	+	hist = (TH1*) gDirectory->Get("htemp")->Clone();
137	+	hist->Reset();
138	+	} else {
139	+	htempDelete();
140	+	hist = new TH1F("htemp",
141	+	(strlen(cut) ? TString(expr)+"{"+cut+"}" : TString(expr)),
142	+	gEnv->GetValue("Hist.Binning.1D.x",100), 0, 0);
143	+	hist->SetBit(TH1::kCanRebin);
144	+	}
145	+	}
146	+
147	+	// fill histogram
148	+	for (event_->toBegin(); !event_->atEnd(); ++(*event_)) {
149	+	if (!selectEvent(*event_)) continue;
150	+	handle_.getByLabel(*event_, label_.c_str(), instance_.c_str(), process_.c_str());
151	+	const std::vector<T> & vals = *handle_;
152	+	for (size_t j = 0, n = vals.size(); j < n; ++j) {
153	+	scanner.fill1D(&vals[j], hist);
154	+	}
155	+	}
156	+
157	+	if (!TString(drawopt).Contains("goff",TString::kIgnoreCase)) hist->Draw(drawopt);
158	+	return hist;
159	+	}
160	+	TH1 * draw(const char *expr, int bins, double xlow, double xhigh, const char *cut = "", const char *drawopt = "") {
161	+	htempDelete();
162	+	TH1 * htemp = new TH1F("htemp", (strlen(cut) ? TString(expr)+"{"+cut+"}" : TString(expr)), bins, xlow, xhigh);
163	+	return draw(expr,cut,drawopt,htemp);
164	+	}
165	+
166	+	TProfile * drawProf(TString xexpr, TString yexpr, const char *cut = "", TString drawopt = "", TProfile *hist = 0) {
167	+	// prep the machinery
168	+	helper::ScannerBase scanner(objType);
169	+	scanner.setIgnoreExceptions(ignoreExceptions_);
170	+	if (!scanner.addExpression(xexpr)) return 0;
171	+	if (!scanner.addExpression(yexpr)) return 0;
172	+	if (strlen(cut)) scanner.setCut(cut);
173	+
174	+	// make histo, if needed
175	+	if (hist == 0) {
176	+	htempDelete();
177	+	hist = new TProfile("htemp",
178	+	(strlen(cut) ? yexpr+":"+xexpr+"{"+cut+"}" : yexpr+":"+xexpr),
179	+	gEnv->GetValue("Hist.Binning.1D.x",100), 0., 0.);
180	+	hist->SetBit(TH1::kCanRebin);
181	+	}
182	+
183	+	// fill histogram
184	+	for (event_->toBegin(); !event_->atEnd(); ++(*event_)) {
185	+	if (!selectEvent(*event_)) continue;
186	+	handle_.getByLabel(*event_, label_.c_str(), instance_.c_str(), process_.c_str());
187	+	const std::vector<T> & vals = *handle_;
188	+	for (size_t j = 0, n = vals.size(); j < n; ++j) {
189	+	scanner.fillProf(&vals[j], hist);
190	+	}
191	+	}
192	+
193	+	if (!TString(drawopt).Contains("goff",TString::kIgnoreCase)) hist->Draw(drawopt);
194	+	return hist;
195	+	}
196	+	TProfile * drawProf(TString xexpr, int bins, double xlow, double xhigh, TString yexpr, const char *cut = "", const char *drawopt = "") {
197	+	htempDelete();
198	+	TProfile * htemp = new TProfile("htemp", (strlen(cut) ? yexpr+":"+xexpr+"{"+cut+"}" : yexpr+":"+xexpr), bins, xlow, xhigh);
199	+	return drawProf(xexpr,yexpr,cut,drawopt,htemp);
200	+	}
201	+
202	+	TH2 * draw2D(TString xexpr, TString yexpr, const char *cut = "", TString drawopt = "", TH2 *hist = 0) {
203	+	// prep the machinery
204	+	helper::ScannerBase scanner(objType);
205	+	scanner.setIgnoreExceptions(ignoreExceptions_);
206	+	if (!scanner.addExpression((const char *)xexpr)) return 0;
207	+	if (!scanner.addExpression((const char *)yexpr)) return 0;
208	+	if (strlen(cut)) scanner.setCut(cut);
209	+
210	+	// make histo, if needed
211	+	if (hist == 0) {
212	+	// ok this is much more a hack than for the 1D case
213	+	double xmin = 0, xmax = -1, ymin = 0, ymax = -1;
214	+	for (event_->toBegin(); !event_->atEnd(); ++(*event_)) {
215	+	if (!selectEvent(*event_)) continue;
216	+	handle_.getByLabel(*event_, label_.c_str(), instance_.c_str(), process_.c_str());
217	+	const std::vector<T> & vals = *handle_;
218	+	for (size_t j = 0, n = vals.size(); j < n; ++j) {
219	+	if (!scanner.test(&vals[j])) continue;
220	+	double x = scanner.eval(&vals[j],0);
221	+	double y = scanner.eval(&vals[j],1);
222	+	if ((xmax == -1) || (x >= xmax)) xmax = x;
223	+	if ((xmin ==  0) || (x <= xmin)) xmin = x;
224	+	if ((ymax == -1) || (y >= ymax)) ymax = y;
225	+	if ((ymin ==  0) || (y <= ymin)) ymin = y;
226	+	}
227	+	}
228	+	htempDelete();
229	+	hist = new TH2F("htemp",
230	+	(strlen(cut) ? yexpr+":"+xexpr+"{"+cut+"}" : yexpr+":"+xexpr),
231	+	gEnv->GetValue("Hist.Binning.2D.x",20), xmin, xmax,
232	+	gEnv->GetValue("Hist.Binning.2D.y",20), ymin, ymax);
233	+	}
234	+
235	+	// fill histogram
236	+	for (event_->toBegin(); !event_->atEnd(); ++(*event_)) {
237	+	if (!selectEvent(*event_)) continue;
238	+	handle_.getByLabel(*event_, label_.c_str(), instance_.c_str(), process_.c_str());
239	+	const std::vector<T> & vals = *handle_;
240	+	for (size_t j = 0, n = vals.size(); j < n; ++j) {
241	+	scanner.fill2D(&vals[j], hist);
242	+	}
243	+	}
244	+
245	+	if (!strlen(hist->GetXaxis()->GetTitle())) hist->GetXaxis()->SetTitle(xexpr);
246	+	if (!strlen(hist->GetYaxis()->GetTitle())) hist->GetYaxis()->SetTitle(yexpr);
247	+	if (!TString(drawopt).Contains("goff",TString::kIgnoreCase)) hist->Draw(drawopt);
248	+	return hist;
249	+	}
250	+	TH2 * draw2D(TString xexpr, int xbins, double xlow, double xhigh,
251	+	TString yexpr, int ybins, double ylow, double yhigh,
252	+	const char *cut = "", const char *drawopt = "") {
253	+	htempDelete();
254	+	TH2 * htemp = new TH2F("htemp", (strlen(cut) ? yexpr+":"+xexpr+"{"+cut+"}" : yexpr+":"+xexpr),
255	+	xbins, xlow, xhigh, ybins,ylow,yhigh);
256	+	return draw2D(xexpr,yexpr,cut,drawopt,htemp);
257	+	}
258	+
259	+
260	+	TGraph * drawGraph(TString xexpr, TString yexpr, const char *cut = "", TString drawopt = "AP", TGraph *graph = 0) {
261	+	// prep the machinery
262	+	helper::ScannerBase scanner(objType);
263	+	scanner.setIgnoreExceptions(ignoreExceptions_);
264	+	if (!scanner.addExpression((const char *)xexpr)) return 0;
265	+	if (!scanner.addExpression((const char *)yexpr)) return 0;
266	+	if (strlen(cut)) scanner.setCut(cut);
267	+
268	+	// make graph, if needed
269	+	if (graph == 0) {
270	+	htempDelete();
271	+	graph = new TGraph();
272	+	graph->SetNameTitle("htemp", (strlen(cut) ? yexpr+":"+xexpr+"{"+cut+"}" : yexpr+":"+xexpr));
273	+	}
274	+
275	+	// fill graph
276	+	for (event_->toBegin(); !event_->atEnd(); ++(*event_)) {
277	+	if (!selectEvent(*event_)) continue;
278	+	handle_.getByLabel(*event_, label_.c_str(), instance_.c_str(), process_.c_str());
279	+	const std::vector<T> & vals = *handle_;
280	+	for (size_t j = 0, n = vals.size(); j < n; ++j) {
281	+	scanner.fillGraph(&vals[j], graph);
282	+	}
283	+	}
284	+
285	+	if (!strlen(graph->GetXaxis()->GetTitle())) graph->GetXaxis()->SetTitle(xexpr);
286	+	if (!strlen(graph->GetYaxis()->GetTitle())) graph->GetYaxis()->SetTitle(yexpr);
287	+	if (!TString(drawopt).Contains("goff",TString::kIgnoreCase)) graph->Draw(drawopt);
288	+	return graph;
289	+	}
290	+
291		void setPrintFullEventId(bool printIt=true) { printFullEventId_ = printIt; }
292	+	void setExpressionSeparator(TString separator) { exprSep_ = separator; }
293	+	void setIgnoreExceptions(bool ignoreThem) { ignoreExceptions_ = ignoreThem; }
294	+	void setMaxLinesToPrint(int lines) { maxLinesToPrint_ = (lines > 0 ? lines : 2147483647); }
295	+
296	+	void addEventSelector(fwlite::EventSelector *selector) { eventSelectors_.Add(selector); }
297	+	void clearEventSelector() { eventSelectors_.Clear(); }
298	+	TObjArray & eventSelectors() { return eventSelectors_; }
299	+	bool selectEvent(const fwlite::EventBase &ev) const {
300	+	for (int i = 0, n = eventSelectors_.GetEntries(); i < n; ++i) {
301	+	if (!((fwlite::EventSelector *)(eventSelectors_[i]))->accept(ev)) return false;
302	+	}
303	+	return true;
304	+	}
305		private:
306		fwlite::EventBase *event_;
307		std::string    label_, instance_, process_;
308		bool printFullEventId_;
309	+	bool ignoreExceptions_;
310	+	TString exprSep_;
311		HandleT        handle_;
312	<	helper::Parser helpme;
313	<	Reflex::Type objType;
312	>	Reflex::Type   objType;
313	>
314	>	TObjArray eventSelectors_;
315	>
316	>	int maxLinesToPrint_;
317	>	bool wantMore() const {
318	>	// ask if user wants more
319	>	fprintf(stderr,"Type <CR> to continue or q to quit ==> ");
320	>	// read first char
321	>	int readch = getchar(), answer = readch;
322	>	// poll out remaining chars from buffer
323	>	while (readch != '\n' && readch != EOF) readch = getchar();
324	>	// check first char
325	>	return !(answer == 'q' || answer == 'Q');
326	>	}
327	>
328	>	void htempDelete() {
329	>	if (gDirectory) {
330	>	TObject *obj = gDirectory->Get("htemp");
331	>	if (obj) obj->Delete();
332	>	}
333	>	}
334
335		};
336		}

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