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doc/source/user_manual/iact_analysis/high_level.rst
| @@ -168,13 +168,45 @@ To have first glance at the above computed spectrum one can use this script in t | @@ -168,13 +168,45 @@ To have first glance at the above computed spectrum one can use this script in t | ||
| 168 | 168 | ||
| 169 | Compute light curves | 169 | Compute light curves |
| 170 | -------------------- | 170 | -------------------- |
| 171 | -Euqally common in astronomy are light curves from a time-series analysis. | 171 | +Euqally common in astronomy are light curves from a time-series analysis. The tool :ref:`cslightcrv` takes as input only |
| 172 | +an unbinned observation container (or a single event list). Counts cube are not possible as inout since the time informstion | ||
| 173 | +is lost during the binning procedure. Nevertheless, in case of large time bins, it is possible to require a binned analysis | ||
| 174 | +in each time bin. The tool will accordingly slice the event list and create the data products for the stacked analysis in each | ||
| 175 | +time span. | ||
| 176 | + | ||
| 177 | +.. code-block:: bash | ||
| 178 | + | ||
| 179 | + $ cslightcrv | ||
| 180 | + Input event list, counts cube, or observation definition XML file [selected_obs.xml] | ||
| 181 | + Input model XML file [crab_models.xml] | ||
| 182 | + Source name [Crab] | ||
| 183 | + Algorithm for defining time bins (FILE|LIN|GTI) [GTI] | ||
| 184 | + Number of energy bins per light curve bin (0=unbinned) [0] | ||
| 185 | + Lower energy limit of events (TeV) [0.1] 0.5 | ||
| 186 | + Upper energy limit of events (TeV) [100.0] 50 | ||
| 187 | + Output light curve file [lightcurve.fits] | ||
| 172 | 188 | ||
| 173 | Compute a residual map | 189 | Compute a residual map |
| 174 | ---------------------- | 190 | ---------------------- |
| 191 | +A frequent means to visually inspect the fitted model with respect to the input data is to create residual maps. | ||
| 192 | +Using :ref:`csresmap` such a map can easily be computed. The tool internally bins the data according to user parameters. | ||
| 193 | +(if data is not already provided in a binned state). Taking into account the corresponding IRFs, | ||
| 194 | +:reF:`csresmap` computes a model map (running :ref:`ctmodel`). Subsequently, there are several choices how data | ||
| 195 | +and model should be compared. There are three options: | ||
| 196 | + | ||
| 197 | +* ``SUB``: the subtraction of the model from the counts. The resulting map will display differences in absolute counts. | ||
| 198 | +* ``SUBDIV``: the subtraction and division by the model. The resulting map will display relative differences of the data with respect to the model. | ||
| 199 | +* ``SUBDIVSQRT``: the subtraction and division by the square root of the model. The resulting map will display an approximation of a residual significance map. In case of sufficient count statistic per bin, the bin value represents the significance. | ||
| 200 | + | ||
| 175 | 201 | ||
| 176 | Compute a test statistics (TS) map | 202 | Compute a test statistics (TS) map |
| 177 | ---------------------------------- | 203 | ---------------------------------- |
| 204 | +The test statistics is more precise measurement of statistic than the ``SUBDIVSQRT`` option in :ref:`csresmap`. | ||
| 205 | +To get familiar with the concept of this procedure, :ref:`read more about TS maps <sec_tsmap>`. | ||
| 206 | + | ||
| 207 | +.. code-block:: bash | ||
| 208 | + | ||
| 209 | + $ cttsmap | ||
| 178 | 210 | ||
| 179 | -Compute flux maps | ||
| 180 | ------------------ | ||
| 181 | \ No newline at end of file | 211 | \ No newline at end of file |
| 212 | +Since :ref:`cttsmap` has to run a parameter optimisation in each skymap bin, it is very time comsuming to | ||
| 213 | +compute a fine-granulated TS sky map. Read here how to split up the :ref:`computation into several jobs <sec_tips>`. |
doc/source/user_manual/iact_analysis/index.rst
doc/source/user_manual/iact_analysis/tips.rst
| 1 | -.. _sec_tipps: | 1 | +.. _sec_tips: |
| 2 | 2 | ||
| 3 | Tips, Tricks and FAQs | 3 | Tips, Tricks and FAQs |
| 4 | ===================== | 4 | ===================== |
| @@ -6,21 +6,27 @@ Tips, Tricks and FAQs | @@ -6,21 +6,27 @@ Tips, Tricks and FAQs | ||
| 6 | Visualise observations | 6 | Visualise observations |
| 7 | ---------------------- | 7 | ---------------------- |
| 8 | 8 | ||
| 9 | +Plot zenith angle distribution of observations | ||
| 10 | +---------------------------------------------- | ||
| 11 | + | ||
| 9 | Visualise models | 12 | Visualise models |
| 10 | ---------------- | 13 | ---------------- |
| 11 | 14 | ||
| 12 | -Increase analysis speed | ||
| 13 | ------------------------ | 15 | +Speed up analysis |
| 16 | +----------------- | ||
| 14 | 17 | ||
| 15 | Create count map with one energy bin | 18 | Create count map with one energy bin |
| 16 | ------------------------------------ | 19 | ------------------------------------ |
| 17 | 20 | ||
| 18 | -Plot zenith angle distribution of observations | ||
| 19 | ----------------------------------------------- | 21 | +Compute excess map |
| 22 | +------------------ | ||
| 20 | 23 | ||
| 21 | Split TS map computation | 24 | Split TS map computation |
| 22 | ------------------------ | 25 | ------------------------ |
| 23 | 26 | ||
| 27 | +Compute flux maps | ||
| 28 | +----------------- | ||
| 29 | + | ||
| 24 | Accessing fit parameters in python | 30 | Accessing fit parameters in python |
| 25 | ---------------------------------- | 31 | ---------------------------------- |
| 26 | 32 |