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start:first_simulation
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start:first_simulation [2018/09/04 14:55] pgrolich |
start:first_simulation [2018/09/04 15:08] pgrolich |
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| for temporary files (e.g. generated sources), which is also important. | for temporary files (e.g. generated sources), which is also important. | ||
| - | First we will add <b>point source</b>. This can be done using menu entry //Edit parameters->Add point source//. | + | First we will add **point source**. This can be done using menu entry //Edit parameters->Add point source//. |
| The dialogue shown below appears. We set the point source properties, i.e. its position in voxel coordinates, | The dialogue shown below appears. We set the point source properties, i.e. its position in voxel coordinates, | ||
| its type (load from file or construct a temporary file for it with sine wave or sine impulse) and orientation given for temporary file sources by two angles (see the angles for TSF in GSvit documentation). | its type (load from file or construct a temporary file for it with sine wave or sine impulse) and orientation given for temporary file sources by two angles (see the angles for TSF in GSvit documentation). | ||
| Here we have chosen sine source given by Ez component only. | Here we have chosen sine source given by Ez component only. | ||
| - | <img src="http://gsvit.net/images_v18/ex1_psource.png"> | ||
| - | <p>After adding the source we can see it in the 3D window as shown below and also on the list of entries. If we are not satisfied with its position | + | {{:start:screenshots:first-simulation-point-source.png?400|}} |
| - | we can double-click on the entry and correct it. </p><p><i>Hint: if we switch to "par. file" tab we can edit the source in native GSvit format | + | |
| - | file much faster and see the position changes immediately.</i></p> | + | |
| - | <a href="http://gsvit.net/images_v18/ex1_source.png"><img src="http://gsvit.net/images_v18/ex1_source.png" width="800"></a> | + | |
| - | <p>Next we will add <b>point and image outputs</b>. This is done by menu entry <i>Edit parameters->Add point output</i> | + | After adding the source we can see it in the 3D window as shown below and also on the list of entries. If we are not satisfied with its position we can double-click on the entry and correct it. |
| - | and <i>Edit parameters->Add image output</i> that again open dialogues for specifying how often (parameter "skip") | + | |
| - | and which component should be output. Point output is collected from a single point within computational volume | + | //Hint: if we switch to "par. file" tab we can edit the source in native GSvit format |
| - | and is stored into a text file. Image output comes to general output file that can be opened by <a href=gwyddion.net>Gwyddion</a> | + | file much faster and see the position changes immediately.// |
| - | open source software. A cross section in certain normal direction is output, selected as shown below. We will add | + | |
| - | a cross section in every direction, so we will call the dialog three times.</p> | + | Next we will add <b>point and image outputs</b>. This is done by menu entry //Edit parameters->Add point output// and //Edit parameters->Add image output// that again open dialogues for specifying how often (parameter "skip") and which component should be output. Point output is collected from a single point within computational volume and is stored into a text file. Image output comes to general output file that can be opened by [[http://gwyddion.net|Gwyddion]] open source software. A cross section in certain normal direction is output, selected as shown below. We will add a cross section in every direction, so we will call the dialog three times. |
| <img src="http://gsvit.net/images_v18/ex1_imout.png"> | <img src="http://gsvit.net/images_v18/ex1_imout.png"> | ||
start/first_simulation.txt · Last modified: 2019/01/14 07:58 by pgrolich
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