[tutorials] Modernisation of graph tutorials

documentation/users-guide/Graphs.md

@@ -229,7 +229,7 @@ gStyle->SetEndErrorSize(np);
 The four parameters of **`TGraphErrors`** are: `X, Y` (as in
 **`TGraph`**), `X`-errors, and `Y`-errors - the size of the errors
 in the `x` and `y` direction. Next example is
-`$ROOTSYS/tutorials/visualisation/graphs/gerrors.C.`
+`$ROOTSYS/tutorials/visualisation/graphs/gr002_errors.C.`
 
 ``` {.cpp}
 {
@@ -670,7 +670,7 @@ produces the next figure.
 
 A **`TGraph2DErrors`** is a **`TGraph2D`** with errors. It is useful to
 perform fits with errors on a 2D graph. An example is the macro
-`$ROOTSYS/tutorials/visualisation/graphs/graph2derrorsfit.C`.
+`$ROOTSYS/tutorials/visualisation/graphs/gr011_graph2d_errorsfit.C`.
 
 ## Fitting a Graph
 
@@ -702,7 +702,7 @@ root[] gr5->Draw("ALP")
 ```
 
 For more graph examples see the scripts: `$ROOTSYS/tutorials` directory
-`graph.C`, `gerrors.C`, `zdemo.C`, and `gerrors2.C`.
+`gr001_simple.C`, `gr002_errors.C`, `gr303_zdemo.C`, and `gr003_errors2.C`.
 
 ![A graph with axis titles](pictures/0300005D.png)
 

graf2d/gpad/src/TButton.cxx

@@ -67,8 +67,8 @@ void but() {
    but3->Draw();
 
 // Create last button with no name. Instead a graph is draw inside the button
-// Clicking on this button will invoke the macro $ROOTSYS/tutorials/visualisation/graphs/graph.C
-   button = new TButton("",".x tutorials/visualisation/graphs/graph.C",0.15,0.15,0.85,0.38);
+// Clicking on this button will invoke the macro $ROOTSYS/tutorials/visualisation/graphs/gr001_simple.C
+   button = new TButton("",".x tutorials/visualisation/graphs/gr001_simple.C",0.15,0.15,0.85,0.38);
    button->SetFillColor(42);
    button->Draw();
    button->SetEditable(kTRUE);

graf2d/gpad/src/TControlBar.cxx

@@ -31,27 +31,27 @@ will return the name of the last clicked button.
    TControlBar bar("vertical");
    bar.AddButton("Help to run demos",".x demoshelp.C",
                  "Explains how to run the demos");
-   bar.AddButton("framework",        ".x graphics/framework.C",
+   bar.AddButton("framework",        ".x visualisation/graphics/framework.C",
                  "An Example of Object Oriented User Interface");
    bar.AddButton("hsimple",          ".x hsimple.C",
                  "An Example Creating Histograms/Ntuples on File");
    bar.AddButton("hsum",             ".x hist/hsum.C",
                  "Filling histograms and some graphics options");
-   bar.AddButton("canvas",           ".x graphics/canvas.C",
+   bar.AddButton("canvas",           ".x visualisation/graphics/canvas.C",
                  "Canvas and Pad Management");
-   bar.AddButton("formula1",         ".x graphics/formula1.C",
+   bar.AddButton("formula1",         ".x visualisation/graphics/formula1.C",
                  "Simple Formula and Functions");
    bar.AddButton("fillrandom",       ".x hist/fillrandom.C",
                  "Histograms with Random Numbers from a Function");
    bar.AddButton("fit1",             ".x fit/fit1.C",
                  "A Simple Fitting Example");
    bar.AddButton("draw2dopt",        ".x hist/draw2dopt.C",
                  "Drawing Options for 2D Histograms");
-   bar.AddButton("graph",            ".x graphs/graph.C",
+   bar.AddButton("graph",            ".x visualisation/graphs/gr001_simple.C",
                  "Examples of a simple graph");
-   bar.AddButton("tornado",          ".x graphics/tornado.C",
+   bar.AddButton("tornado",          ".x visualisation/graphics/tornado.C",
                  "Examples of 3-D PolyMarkers");
-   bar.AddButton("shapes",           ".x geom/shapes.C",
+   bar.AddButton("shapes",           ".x visualisation/geom/shapes.C",
                  "The Geometry Shapes");
    bar.AddButton("file_layout",      ".x io/file.C",
                  "The ROOT file format");

graf2d/gviz/doc/index.md

@@ -2,5 +2,5 @@
 \ingroup Graphics2D
 \brief Interface to the graphing package `graphviz`
 
-- graphstruct.C is an example of the graphviz interface classes usage.
+- gr016_struct.C is an example of the graphviz interface classes usage.
 

graf2d/gviz/src/TGraphStruct.cxx

@@ -49,7 +49,7 @@ three classes:
     a TGraphStruct.
 
 Begin_Macro(source)
-../../../tutorials/visualisation/graphs/graphstruct.C
+../../../tutorials/visualisation/graphs/gr016_struct.C
 End_Macro
 
 A graph structure can be dumped into a "dot" file using DumpAsDotFile.

hist/hist/src/TGraphSmooth.cxx

@@ -30,7 +30,7 @@ ClassImp(TGraphSmooth);
 /** \class TGraphSmooth
     \ingroup Graphs
 A helper class to smooth TGraph.
-see examples in $ROOTSYS/tutorials/visualisation/graphs/motorcycle.C and approx.C
+see examples in $ROOTSYS/tutorials/visualisation/graphs/gr010_approx_smooth.C and $ROOTSYS/tutorials/visualisation/graphs/gr015_smooth.C
 */
 
 TGraphSmooth::TGraphSmooth()

hist/hist/src/TGraphTime.cxx

@@ -24,7 +24,7 @@ ClassImp(TGraphTime);
 TGraphTime is used to draw a set of objects evolving with nsteps in time between tmin and tmax.
 Each time step has a new list of objects. This list can be identical to
 the list of objects in the previous steps, but with different attributes.
-see example of use in $ROOTSYS/tutorials/visualisation/graphs/gtime.C
+See example of use in $ROOTSYS/tutorials/visualisation/graphs/gr017_time.C
 */
 
 ////////////////////////////////////////////////////////////////////////////////

hist/hist/src/TMultiGraph.cxx

@@ -224,7 +224,7 @@ Automatic coloring according to the current palette is available as shown in the
 following example:
 
 Begin_Macro(source)
-../../../tutorials/visualisation/graphs/multigraphpalettecolor.C
+../../../tutorials/visualisation/graphs/gr105_multigraphpalettecolor.C
 End_Macro
 
 \anchor MG01f
@@ -324,7 +324,7 @@ overlap. The following example shows how to make them all visible.
 
 
 Begin_Macro(source)
-../../../tutorials/visualisation/graphs/multigraph.C
+../../../tutorials/visualisation/graphs/gr007_multigraph.C
 End_Macro
 
 \anchor MG03

hist/hist/src/TScatter.cxx

@@ -39,7 +39,7 @@ color map and the fourth on the marker size.
 The following example demonstrates how it works:
 
 Begin_Macro(source)
-../../../tutorials/visualisation/graphs/scatter.C
+../../../tutorials/visualisation/graphs/gr006_scatter.C
 End_Macro
 
 ### TScatter's plotting options

hist/histpainter/doc/index.md

@@ -4,8 +4,8 @@
 The histograms and graphs plotting options are described in details in the THistPainter and TGraphPainter classes.
 Some related  tutorials:
 
-  - graph.C: Using and drawing a simple TGraph.
-  - graph2derrorsfit.C: TGraph2D with errors drawing.
+  - gr001_simple.C: Using and drawing a simple TGraph.
+  - gr011_graph2d_errorsfit.C: TGraph2D with errors drawing.
   - h1draw.C: Drawing Options for 1D Histograms.
   - hbars.C: Demo of option bar with histograms.
   - hsimple.C: Simple drawing of a 1D Histograms.

hist/histpainter/src/TGraphPainter.cxx

@@ -209,7 +209,7 @@ case the line width number is interpreted as:
 The current fill area attributes are used to draw the hatched zone.
 
 Begin_Macro(source)
-../../../tutorials/visualisation/graphs/exclusiongraph.C
+../../../tutorials/visualisation/graphs/gr106_exclusiongraph.C
 End_Macro
 
 \anchor GrP3
@@ -530,11 +530,11 @@ is determined according to the number of objects having palette coloring in
 the current pad.
 
 Begin_Macro(source)
-../../../tutorials/visualisation/graphs/graphpalettecolor.C
+../../../tutorials/visualisation/graphs/gr104_palettecolor.C
 End_Macro
 
 Begin_Macro(source)
-../../../tutorials/visualisation/graphs/multigraphpalettecolor.C
+../../../tutorials/visualisation/graphs/gr105_multigraphpalettecolor.C
 End_Macro
 
 \anchor GrP6
@@ -633,18 +633,18 @@ graphically. Point will be highlighted as "point circle" (presented by
 marker object). Moreover, any highlight (change of point) emits signal
 `TCanvas::Highlighted()` which allows the user to react and call their own
 function. For a better understanding please see also the tutorials
-`$ROOTSYS/tutorials/visualisation/graphs/hlGraph*.C` files.
+`$ROOTSYS/tutorials/visualisation/graphs/gr*_highlight*.C` files.
 
 Highlight mode is switched on/off by `TGraph::SetHighlight()` function
 or interactively from `TGraph` context menu. `TGraph::IsHighlight()` to verify
 whether the highlight mode enabled or disabled, default it is disabled.
 
 ~~~ {.cpp}
-    root [0] .x $ROOTSYS/tutorials/visualisation/graphs/gerrors2.C
+    root [0] .x $ROOTSYS/tutorials/visualisation/graphs/gr003_errors2.C
     root [1] // try SetHighlight() interactively from TGraph context menu
 ~~~
 
-\image html hlgerrors2.gif "Highlight mode for graph"
+\image html hl_gr003_errors2.gif "Highlight mode for graph"
 
 See how it is used
 <a href="classTHistPainter.html#HP30a">highlight mode and user function</a>

test/stressGUI.cxx

@@ -2201,22 +2201,22 @@ void testControlBars()
    TControlBar *bar = new TControlBar("vertical", "Demos",10,10);
    bar->AddButton("Help Demos",".x demoshelp.C",        "Click Here For Help on Running the Demos");
    bar->AddButton("browser",   "new TBrowser;",         "Start the ROOT Browser");
-   bar->AddButton("framework", ".x graphics/framework.C","An Example of Object Oriented User Interface");
-   bar->AddButton("first",     ".x graphics/first.C",   "An Example of Slide with Root");
+   bar->AddButton("framework", ".x visualisation/graphics/framework.C","An Example of Object Oriented User Interface");
+   bar->AddButton("first",     ".x visualisation/graphics/first.C",   "An Example of Slide with Root");
    bar->AddButton("hsimple",   ".x hsimple.C",          "An Example Creating Histograms/Ntuples on File");
    bar->AddButton("hsum",      ".x hist/hsum.C",        "Filling Histograms and Some Graphics Options");
-   bar->AddButton("formula1",  ".x graphics/formula1.C","Simple Formula and Functions");
-   bar->AddButton("surfaces",  ".x graphs/surfaces.C",  "Surface Drawing Options");
+   bar->AddButton("formula1",  ".x visualisation/graphics/formula1.C","Simple Formula and Functions");
+   bar->AddButton("surfaces",  ".x visualisation/graphs/surfaces.C",  "Surface Drawing Options");
    bar->AddButton("fillrandom",".x hist/fillrandom.C",  "Histograms with Random Numbers from a Function");
    bar->AddButton("fit1",      ".x fit/fit1.C",         "A Simple Fitting Example");
    bar->AddButton("multifit",  ".x fit/multifit.C",     "Fitting in Subranges of Histograms");
    bar->AddButton("h1draw",    ".x hist/h1draw.C",      "Drawing Options for 1D Histograms");
-   bar->AddButton("graph",     ".x graphs/graph.C",     "Example of a Simple Graph");
-   bar->AddButton("gerrors",   ".x graphs/gerrors.C",   "Example of a Graph with Error Bars");
-   bar->AddButton("tornado",   ".x graphics/tornado.C", "Examples of 3-D PolyMarkers");
-   bar->AddButton("shapes",    ".x geom/shapes.C",      "The Geometry Shapes");
-   bar->AddButton("geometry",  ".x geom/geometry.C",    "Creation of the NA49 Geometry File");
-   bar->AddButton("na49view",  ".x geom/na49view.C",    "Two Views of the NA49 Detector Geometry");
+   bar->AddButton("graph",     ".x graphs/gr001_graph.C", "Example of a Simple Graph");
+   bar->AddButton("gerrors",   ".x graphs/gr002_errors.C", "Example of a Graph with Error Bars");
+   bar->AddButton("tornado",   ".x visualisation/graphics/tornado.C", "Examples of 3-D PolyMarkers");
+   bar->AddButton("shapes",    ".x visualisation/geom/shapes.C",      "The Geometry Shapes");
+   bar->AddButton("geometry",  ".x visualisation/geom/geometry.C",    "Creation of the NA49 Geometry File");
+   bar->AddButton("na49view",  ".x visualisation/geom/na49view.C",    "Two Views of the NA49 Detector Geometry");
    bar->AddButton("file",      ".x io/file.C",          "The ROOT File Format");
    bar->AddButton("fildir",    ".x io/fildir.C",        "The ROOT File, Directories and Keys");
    bar->AddButton("tree",      ".x tree/tree.C",        "The Tree Data Structure");

tutorials/CMakeLists.txt

@@ -101,7 +101,7 @@ if (NOT dataframe)
     # RDataFrame
     list(APPEND dataframe_veto analysis/dataframe/*.C analysis/dataframe/*.py)
     # RDataFrame tutorial in graphs
-    list(APPEND dataframe_veto visualisation/graphs/timeSeriesFromCSV_TDF.C)
+    list(APPEND dataframe_veto visualisation/graphs/gr109_timeSeriesFromCSV_RDF.C)
     # TMVA tutorials dependent on RDataFrame
     list(APPEND dataframe_veto machine_learning/tmva*.C)
     list(APPEND dataframe_veto machine_learning/TMVA_SOFIE_RDataFrame*.C)
@@ -244,7 +244,7 @@ if(NOT ROOT_opengl_FOUND)
 endif()
 
 if(NOT GRAPHVIZ_FOUND)
-  set(gviz_veto visualisation/graphs/graphstruct.C)
+  set(gviz_veto visualisation/graphs/gr016_struct.C)
 endif()
 
 if(NOT TBB_FOUND AND NOT builtin_tbb)
@@ -443,7 +443,7 @@ if(MSVC AND NOT llvm13_broken_tests)
     list(APPEND extra_veto
          analysis/dataframe/df007_snapshot.C
          visualisation/graphics/earth.C
-         visualisation/graphs/motorcycle.C
+         visualisation/graphs/gr015_smooth.C
          io/ntuple/ntpl001_staff.C)
   endif()
 endif()
@@ -511,8 +511,8 @@ set(returncode_1 math/fit/fit2a.C
                  visualisation/graphics/earth.C
                  visualisation/graphics/pavetext.C
                  visualisation/graphics/tmathtext.C visualisation/graphics/tmathtext2.C
-                 visualisation/graphs/exclusiongraph.C
-                 visualisation/graphs/graphstruct.C
+                 visualisation/graphs/gr106_exclusiongraph.C
+                 visualisation/graphs/gr016_struct.C
                  hist/hist102_TH2_contour_list.C
                  hist/hist006_TH1_bar_charts.C
                  hist/hist037_TH2Poly_boxes.C

tutorials/demos.C

@@ -28,8 +28,8 @@ void demos() {
    bar->AddButton("fit1", ".x math/fit/fit1.C", "A Simple Fitting Example");
    bar->AddButton("multifit", ".x math/fit/multifit.C", "Fitting in Subranges of Histograms");
    bar->AddButton("h1ReadAndDraw", ".x hist/h1ReadAndDraw.C", "Drawing Options for 1D Histograms");
-   bar->AddButton("graph",         ".x visualisation/graphs/graph.C",       "Example of a Simple Graph");
-   bar->AddButton("gerrors",       ".x visualisation/graphs/gerrors.C",     "Example of a Graph with Error Bars");
+   bar->AddButton("graph",         ".x visualisation/graphs/gr001_simple.C", "Example of a Simple Graph");
+   bar->AddButton("gerrors",       ".x visualisation/graphs/gr002_errors.C",     "Example of a Graph with Error Bars");
    bar->AddButton("tornado",       ".x visualisation/graphics/tornado.C",   "Examples of 3-D PolyMarkers");
    bar->AddButton("geometry",      ".x visualisation/geom/rootgeom.C",      "Example of TGeoManager drawing");
    bar->AddButton("file",          ".x io/file.C",            "The ROOT File Format");

tutorials/legacy/benchmarks.C

@@ -44,11 +44,11 @@ void benchmarks() {
    summary->AddText("  hist/fillrandom.C");
    summary->AddText("  fit/fit1.C");
    summary->AddText("  hist/h1ReadAndDraw.C");
-   summary->AddText("  graphs/graph.C");
-   summary->AddText("  graphs/gerrors.C");
+   summary->AddText("  graphs/gr001_simple.C");
+   summary->AddText("  graphs/gr002_errors.C");
    summary->AddText("  graphics/tornado.C");
    summary->AddText("  graphs/surfaces.C");
-   summary->AddText("  graphs/zdemo.C");
+   summary->AddText("  graphs/gr303_zdemo.C");
    summary->AddText("  geom/geometry.C");
    summary->AddText("  geom/na49view.C");
    summary->AddText("  tree/ntuple1.C");
@@ -60,11 +60,11 @@ void benchmarks() {
    bexec(dir,"hist/fillrandom.C");
    bexec(dir,"fit/fit1.C");
    bexec(dir,"hist/h1ReadAndDraw.C");
-   bexec(dir,"graphs/graph.C");
-   bexec(dir,"graphs/gerrors.C");
+   bexec(dir,"graphs/gr001_simple.C");
+   bexec(dir,"graphs/gr002_errors.C");
    bexec(dir,"graphics/tornado.C");
    bexec(dir,"graphs/surfaces.C");
-   bexec(dir,"graphs/zdemo.C");
+   bexec(dir,"graphs/gr303_zdemo.C");
    bexec(dir,"geom/geometry.C");
    bexec(dir,"geom/na49view.C");
    bexec(dir,"tree/ntuple1.C");