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Comparing UserCode/GPetrucc/interface/fwlite/Scanner.h (file contents):
Revision 1.3 by gpetrucc, Thu Jan 28 12:00:32 2010 UTC vs.
Revision 1.7 by gpetrucc, Thu Feb 4 10:53:26 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
11		#if !defined(__CINT__) && !defined(__MAKECINT__)
12		#include "UserCode/GPetrucc/interface/fwliteHelpers.h"
13		#else
14	+	#ifndef UserCode_GPetrucc_CINT_load_library
15	+	#define UserCode_GPetrucc_CINT_load_library
16		// load the library that contains the dictionaries
17		int _load_UserCodeGPetrucc = gSystem->Load("libUserCodeGPetrucc.so");
18		#endif
19	+	#endif
20	+
21	+	#include "UserCode/GPetrucc/interface/fwlite/EventSelectors.h"
22
23		namespace fwlite {
24		template<typename T>
#	Line 19 | Line 26 | namespace fwlite {
26		public:
27		typedef fwlite::Handle<std::vector<T> > HandleT;
28		Scanner(fwlite::EventBase *ev, const char *label, const char *instance = "", const char *process="")  :
29	<	//helper::ScannerBase(Reflex::Type::ByTypeInfo(typeid(T))),
30	<	event_(ev), label_(label), instance_(instance), printFullEventId_(ev->isRealData())
29	>	event_(ev), label_(label), instance_(instance),
30	>	printFullEventId_(ev->isRealData()),
31	>	ignoreExceptions_(false),
32	>	exprSep_(":"),
33	>	maxLinesToPrint_(50)
34		{
35	<	Reflex::Type wrapperType = Reflex::Type::ByTypeInfo(HandleT::TempWrapT::typeInfo());
36	<	objType = helpme.elementType(Reflex::Type::ByTypeInfo(HandleT::TempWrapT::typeInfo()));
35	>	objType = helper::Parser::elementType(Reflex::Type::ByTypeInfo(HandleT::TempWrapT::typeInfo()));
36	>	eventSelectors_.SetOwner();
37		}
38
39
40	<	void scan(const char *exprs, const char *cut="", int nmax=20) {
40	>	void scan(const char *exprs, const char *cut="", int nmax=-1) {
41		helper::ScannerBase scanner(objType);
42	+	scanner.setIgnoreExceptions(ignoreExceptions_);
43
44	<	TObjArray  *exprArray = TString(exprs).Tokenize(":");
44	>	TObjArray  *exprArray = TString(exprs).Tokenize(exprSep_);
45		int rowline = 0;
46		if (printFullEventId_) {
47		printf(" : %9s : %4s : %9s : %3s", "RUN", "LUMI", "EVENT", "#IT");
#	Line 54 | Line 65 | namespace fwlite {
65
66		if (strlen(cut)) scanner.setCut(cut);
67
68	<	int iev = 0;
69	<	for (event_->toBegin(); (iev < nmax) && !event_->atEnd(); ++iev, ++(*event_)) {
68	>	int iev = 0, line = 0;
69	>	for (event_->toBegin(); (iev != nmax) && !event_->atEnd(); ++iev, ++(*event_)) {
70	>	if (!selectEvent(*event_)) continue;
71		handle_.getByLabel(*event_, label_.c_str(), instance_.c_str(), process_.c_str());
72		const std::vector<T> & vals = *handle_;
73		for (size_t j = 0, n = vals.size(); j < n; ++j) {
#	Line 68 | Line 80 | namespace fwlite {
80		}
81		scanner.print(&vals[j]);
82		std::cout << " :" << std::endl;
83	+	if (++line == maxLinesToPrint_) {
84	+	line = 0;
85	+	if (!wantMore()) {
86	+	iev = nmax-1; // this is to exit the outer loop
87	+	break;        // and this to exit the inner one
88	+	}
89	+	}
90		}
91		}
92		std::cout << std::endl;
93		}
94	+
95	+	TH1 * draw(const char *expr, const char *cut = "", TString drawopt = "", TH1 *hist = 0) {
96	+	// prep the machinery
97	+	helper::ScannerBase scanner(objType);
98	+	scanner.setIgnoreExceptions(ignoreExceptions_);
99	+	if (!scanner.addExpression(expr)) return 0;
100	+	if (strlen(cut)) scanner.setCut(cut);
101	+
102	+	// make histo, if needed
103	+	if (hist == 0) {
104	+	htempDelete();
105	+	hist = new TH1F("htemp",
106	+	(strlen(cut) ? TString(expr)+"{"+cut+"}" : TString(expr)),
107	+	gEnv->GetValue("Hist.Binning.1D.x",100), 0, 0);
108	+	hist->SetBit(TH1::kCanRebin);
109	+	}
110	+
111	+	// fill histogram
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	+	scanner.fill1D(&vals[j], hist);
118	+	}
119	+	}
120	+
121	+	if (!TString(drawopt).Contains("goff",TString::kIgnoreCase)) hist->Draw(drawopt);
122	+	return hist;
123	+	}
124	+	TH1 * draw(const char *expr, int bins, double xlow, double xhigh, const char *cut = "", const char *drawopt = "") {
125	+	htempDelete();
126	+	TH1 * htemp = new TH1F("htemp", (strlen(cut) ? TString(expr)+"{"+cut+"}" : TString(expr)), bins, xlow, xhigh);
127	+	return draw(expr,cut,drawopt,htemp);
128	+	}
129	+
130	+	TProfile * drawProf(TString xexpr, TString yexpr, const char *cut = "", TString drawopt = "", TProfile *hist = 0) {
131	+	// prep the machinery
132	+	helper::ScannerBase scanner(objType);
133	+	scanner.setIgnoreExceptions(ignoreExceptions_);
134	+	if (!scanner.addExpression(xexpr)) return 0;
135	+	if (!scanner.addExpression(yexpr)) return 0;
136	+	if (strlen(cut)) scanner.setCut(cut);
137	+
138	+	// make histo, if needed
139	+	if (hist == 0) {
140	+	htempDelete();
141	+	hist = new TProfile("htemp",
142	+	(strlen(cut) ? yexpr+":"+xexpr+"{"+cut+"}" : yexpr+":"+xexpr),
143	+	gEnv->GetValue("Hist.Binning.1D.x",100), 0., 0.);
144	+	hist->SetBit(TH1::kCanRebin);
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.fillProf(&vals[j], hist);
154	+	}
155	+	}
156	+
157	+	if (!TString(drawopt).Contains("goff",TString::kIgnoreCase)) hist->Draw(drawopt);
158	+	return hist;
159	+	}
160	+	TProfile * drawProf(TString xexpr, int bins, double xlow, double xhigh, TString yexpr, const char *cut = "", const char *drawopt = "") {
161	+	htempDelete();
162	+	TProfile * htemp = new TProfile("htemp", (strlen(cut) ? yexpr+":"+xexpr+"{"+cut+"}" : yexpr+":"+xexpr), bins, xlow, xhigh);
163	+	return drawProf(xexpr,yexpr,cut,drawopt,htemp);
164	+	}
165	+
166	+	TH2 * draw2D(TString xexpr, TString yexpr, const char *cut = "", TString drawopt = "", TH2 *hist = 0) {
167	+	// prep the machinery
168	+	helper::ScannerBase scanner(objType);
169	+	scanner.setIgnoreExceptions(ignoreExceptions_);
170	+	if (!scanner.addExpression((const char *)xexpr)) return 0;
171	+	if (!scanner.addExpression((const char *)yexpr)) return 0;
172	+	if (strlen(cut)) scanner.setCut(cut);
173	+
174	+	// make histo, if needed
175	+	if (hist == 0) {
176	+	// ok this is much more a hack than for the 1D case
177	+	double xmin = 0, xmax = -1, ymin = 0, ymax = -1;
178	+	for (event_->toBegin(); !event_->atEnd(); ++(*event_)) {
179	+	if (!selectEvent(*event_)) continue;
180	+	handle_.getByLabel(*event_, label_.c_str(), instance_.c_str(), process_.c_str());
181	+	const std::vector<T> & vals = *handle_;
182	+	for (size_t j = 0, n = vals.size(); j < n; ++j) {
183	+	if (!scanner.test(&vals[j])) continue;
184	+	double x = scanner.eval(&vals[j],0);
185	+	double y = scanner.eval(&vals[j],1);
186	+	if ((xmax == -1) || (x >= xmax)) xmax = x;
187	+	if ((xmin ==  0) || (x <= xmin)) xmin = x;
188	+	if ((ymax == -1) || (y >= ymax)) ymax = y;
189	+	if ((ymin ==  0) || (y <= ymin)) ymin = y;
190	+	}
191	+	}
192	+	htempDelete();
193	+	hist = new TH2F("htemp",
194	+	(strlen(cut) ? yexpr+":"+xexpr+"{"+cut+"}" : yexpr+":"+xexpr),
195	+	gEnv->GetValue("Hist.Binning.2D.x",20), xmin, xmax,
196	+	gEnv->GetValue("Hist.Binning.2D.y",20), ymin, ymax);
197	+	}
198	+
199	+	// fill histogram
200	+	for (event_->toBegin(); !event_->atEnd(); ++(*event_)) {
201	+	if (!selectEvent(*event_)) continue;
202	+	handle_.getByLabel(*event_, label_.c_str(), instance_.c_str(), process_.c_str());
203	+	const std::vector<T> & vals = *handle_;
204	+	for (size_t j = 0, n = vals.size(); j < n; ++j) {
205	+	scanner.fill2D(&vals[j], hist);
206	+	}
207	+	}
208	+
209	+	if (!strlen(hist->GetXaxis()->GetTitle())) hist->GetXaxis()->SetTitle(xexpr);
210	+	if (!strlen(hist->GetYaxis()->GetTitle())) hist->GetYaxis()->SetTitle(yexpr);
211	+	if (!TString(drawopt).Contains("goff",TString::kIgnoreCase)) hist->Draw(drawopt);
212	+	return hist;
213	+	}
214	+	TH2 * draw2D(TString xexpr, int xbins, double xlow, double xhigh,
215	+	TString yexpr, int ybins, double ylow, double yhigh,
216	+	const char *cut = "", const char *drawopt = "") {
217	+	htempDelete();
218	+	TH2 * htemp = new TH2F("htemp", (strlen(cut) ? yexpr+":"+xexpr+"{"+cut+"}" : yexpr+":"+xexpr),
219	+	xbins, xlow, xhigh, ybins,ylow,yhigh);
220	+	return draw2D(xexpr,yexpr,cut,drawopt,htemp);
221	+	}
222	+
223	+
224	+	TGraph * drawGraph(TString xexpr, TString yexpr, const char *cut = "", TString drawopt = "AP", TGraph *graph = 0) {
225	+	// prep the machinery
226	+	helper::ScannerBase scanner(objType);
227	+	scanner.setIgnoreExceptions(ignoreExceptions_);
228	+	if (!scanner.addExpression((const char *)xexpr)) return 0;
229	+	if (!scanner.addExpression((const char *)yexpr)) return 0;
230	+	if (strlen(cut)) scanner.setCut(cut);
231	+
232	+	// make graph, if needed
233	+	if (graph == 0) {
234	+	htempDelete();
235	+	graph = new TGraph();
236	+	graph->SetNameTitle("htemp", (strlen(cut) ? yexpr+":"+xexpr+"{"+cut+"}" : yexpr+":"+xexpr));
237	+	}
238	+
239	+	// fill graph
240	+	for (event_->toBegin(); !event_->atEnd(); ++(*event_)) {
241	+	if (!selectEvent(*event_)) continue;
242	+	handle_.getByLabel(*event_, label_.c_str(), instance_.c_str(), process_.c_str());
243	+	const std::vector<T> & vals = *handle_;
244	+	for (size_t j = 0, n = vals.size(); j < n; ++j) {
245	+	scanner.fillGraph(&vals[j], graph);
246	+	}
247	+	}
248	+
249	+	if (!strlen(graph->GetXaxis()->GetTitle())) graph->GetXaxis()->SetTitle(xexpr);
250	+	if (!strlen(graph->GetYaxis()->GetTitle())) graph->GetYaxis()->SetTitle(yexpr);
251	+	if (!TString(drawopt).Contains("goff",TString::kIgnoreCase)) graph->Draw(drawopt);
252	+	return graph;
253	+	}
254	+
255		void setPrintFullEventId(bool printIt=true) { printFullEventId_ = printIt; }
256	+	void setExpressionSeparator(TString separator) { exprSep_ = separator; }
257	+	void setIgnoreExceptions(bool ignoreThem) { ignoreExceptions_ = ignoreThem; }
258	+	void setMaxLinesToPrint(int lines) { maxLinesToPrint_ = (lines > 0 ? lines : 2147483647); }
259	+
260	+	void addEventSelector(fwlite::EventSelector *selector) { eventSelectors_.Add(selector); }
261	+	void clearEventSelector() { eventSelectors_.Clear(); }
262	+	TObjArray & eventSelectors() { return eventSelectors_; }
263	+	bool selectEvent(const fwlite::EventBase &ev) const {
264	+	for (int i = 0, n = eventSelectors_.GetEntries(); i < n; ++i) {
265	+	if (!((fwlite::EventSelector *)(eventSelectors_[i]))->accept(ev)) return false;
266	+	}
267	+	return true;
268	+	}
269		private:
270		fwlite::EventBase *event_;
271		std::string    label_, instance_, process_;
272		bool printFullEventId_;
273	+	bool ignoreExceptions_;
274	+	TString exprSep_;
275		HandleT        handle_;
276	<	helper::Parser helpme;
277	<	Reflex::Type objType;
276	>	Reflex::Type   objType;
277	>
278	>	TObjArray eventSelectors_;
279	>
280	>	int maxLinesToPrint_;
281	>	bool wantMore() const {
282	>	// ask if user wants more
283	>	fprintf(stderr,"Type <CR> to continue or q to quit ==> ");
284	>	// read first char
285	>	int readch = getchar(), answer = readch;
286	>	// poll out remaining chars from buffer
287	>	while (readch != '\n' && readch != EOF) readch = getchar();
288	>	// check first char
289	>	return !(answer == 'q' || answer == 'Q');
290	>	}
291	>
292	>	void htempDelete() {
293	>	if (gDirectory) {
294	>	TObject *obj = gDirectory->Get("htemp");
295	>	if (obj) obj->Delete();
296	>	}
297	>	}
298
299		};
300		}

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