Wiki source code of IDL cheat sheet

Version 59.8 by fwilde on 2025/03/28 19:35
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1 == {{id name="IDLcheatsheet-Coordinatesystem"/}}Coordinate system ==
2
3 Right-handed coordinate system with y-direction along the x-ray beam.
4
5 [[image:attach:p05_uct.png||width="700"]]
6
7 == {{id name="IDLcheatsheet-Samplepositioning"/}}Sample positioning ==
8
9 === {{id name="IDLcheatsheet-Relativemovement"/}}Relative movement ===
10
11 (% class="fixed-table wrapped" %)
12 |=(((
13 IDL command
14 )))|=(((
15 description
16 )))|=(((
17 motion
18 )))
19 |(((
20 ##**s_stage_x/z, 1**##
21 )))|(((
22 move rotation stage in x/z-direction by 1 mm
23 )))|(((
24 relative [ mm ]
25 )))
26 |(((
27 ##**s_pos_x/y/z, 1**##
28 )))|(((
29 move sample stage in x/y/z-direction by 1 mm (caution with directions: stage mount on rotation axis)
30 )))|(((
31 relative [ mm ]
32 )))
33 |(((
34 ##**s_pos, 1**##
35 )))|(((
36 move sample stage in x-direction by 1 mm, regardless of position of rotation axis
37 )))|(((
38 relative [ mm ]
39 )))
40 |(((
41 ##**s_angle, 90**##
42 )))|(((
43 rotate sample around z axis
44 )))|(((
45 relative [ deg ]
46 )))
47
48 === {{id name="IDLcheatsheet-Absolutemovement"/}}Absolute movement ===
49
50 (% class="relative-table wrapped" style="width:67.0892%" %)
51 |=(((
52 IDL command
53 )))|=(((
54 description
55 )))|=(((
56 motion
57 )))
58 |(((
59 ##**goto_s_stage_x/z, 1**##
60 )))|(((
61 move rotation stage in x/z-direction to 1 mm
62 )))|(((
63 absolute [ mm ]
64 )))
65 |(((
66 ##**goto_s_pos_x/y/z, 1**##
67 )))|(((
68 move sample stage in x/y/z-direction to 1  mm
69 )))|(((
70 absolute [ mm ]
71 )))
72 |(((
73 ##**goto_s_angle, 90**##
74 )))|(((
75 rotate sample around z axis to 90° (**alias command: s_rot**)
76 )))|(((
77 absolute [ deg ]
78 )))
79
80 === {{id name="IDLcheatsheet-Getcurrentposition"/}}Get current position ===
81
82 (% class="relative-table wrapped" style="width:54.0627%" %)
83 |=(((
84 IDL command
85 )))|=(((
86 description
87 )))
88 |(((
89 ##**pos_s_stage_x/z()**##
90 )))|(((
91 return current rotation stage in x/z position
92 )))
93 |(((
94 ##**pos_s_pos_x/y/z()**##
95 )))|(((
96 return current sample stage in x/y/z position
97 )))
98 |(((
99 ##**pos_s_angle()**##
100 )))|(((
101 return current rotation stage angle
102 )))
103
104 === {{id name="IDLcheatsheet-Predefinedpositions"/}}Predefined positions ===
105
106 (% class="relative-table wrapped" style="width:55.721%" %)
107 |=(((
108 IDL command
109 )))|=(((
110 description
111 )))
112 |(((
113 ##**s_in**##
114 )))|(((
115 move sample to "in" position
116 )))
117 |(((
118 ##**s_out**##
119 )))|(((
120 move sample to "out" position
121 )))
122 |(((
123 ##**s_change**##
124 )))|(((
125 move sample to "change" position
126 )))
127 |(((
128 ##**set_s_in_pos(, 0)**##
129 )))|(((
130 set s_in position to current stage position, or optionally to e.g. 0.0 mm
131 )))
132 |(((
133 ##**set_s_out_dist, 10**##
134 )))|(((
135 set s_out distance to 10.0 mm
136 )))
137
138 === {{id name="IDLcheatsheet-Magnificationsets"/}}Magnification sets ===
139
140 (% class="wrapped" %)
141 |=(((
142 IDL command
143 )))|=(((
144 description
145 )))
146 |(((
147 ##**save_magn_set(, name_add)**##
148 )))|(((
149 save current magnification set, optionally add something to the automatically generated name
150 )))
151 |(((
152 ##**restore_magn_set(, name)**##
153 )))|(((
154 restore last magnification set, or optionally load a file with a specific name
155 )))
156
157 == {{id name="IDLcheatsheet-Detectorpositioning"/}}Detector positioning ==
158
159 (% class="fixed-table wrapped" %)
160 |=(((
161 IDL command
162 )))|=(((
163 description
164 )))|=(((
165 motion
166 )))
167 |(((
168 ##**o_ccd_dist, 5**##
169 )))|(((
170 move detector in y direction relative by 5 mm
171 )))|(((
172 relative [ mm ]
173 )))
174 |(((
175 ##**goto_o_ccd_dist, 30**##
176 )))|(((
177 move detector in y direction absoilute to 30 mm
178 )))|(((
179
180 )))
181 |(((
182 ##**pos_o_ccd_dist()**##
183 )))|(((
184 return current of the camera stage distance
185 )))|(((
186
187 )))
188
189 == {{id name="IDLcheatsheet-Slitpositioning"/}}Slit positioning ==
190
191 (% class="wrapped" %)
192 |=(((
193 IDL command
194 )))|=(((
195 description
196 )))
197 |(((
198 ##**slit_oh, rx=1 (rz=1)**##
199 )))|(((
200 moves oh slit aperture horizontally (vertically) by 1mm
201 )))
202 |(((
203 ##**slit_oh, rdx=1 (rdz=1)**##
204 )))|(((
205 opens oh the slit aperture horizontally (vertically) by 1 mm
206 )))
207 |(((
208 ##**slit_eh2, rx=1 (rz=1)**##
209 )))|(((
210 moves eh2 slit aperture horizontally (vertically) by 1 mm
211 )))
212 |(((
213 ##**slit_eh2, rdx=1 (rdz=1)**##
214 )))|(((
215 opens eh2 the slit aperture horizontally (vertically) by 1 mm
216 )))
217 |(((
218 ##**slit_info**##
219 )))|(((
220 show all slit positions
221 )))
222
223 rx, rdx, rz and rdz can be concatenated in one command (e.g. slit_oh, rx=1, rz=-2, rdx=0.5, rdz=0.5)
224
225 == {{id name="IDLcheatsheet-Makeandsaveimages"/}}Make and save images ==
226
227 (% class="fixed-table wrapped" %)
228 |=(((
229 IDL command
230 )))|=(((
231 description
232 )))
233 |(((
234 ##**i=quick(100) & display_image, BYSTCL(i, 0, 4096)**##
235 )))|(((
236 make an image & scale image (eg. from 0 to 4096, usually from 0 to maximum value the camera can do)
237 )))
238 |(((
239 ##**a=quick_abs(100) & display_image, BYTSCL(a, 0, 2)**##
240 )))|(((
241 make an absorption image & scale image (usually from 0 to to 2)
242 )))
243 |(((
244 ##**write_tiff, '/gpfs/current/raw/test_projection.tif', i, /SHORT**##
245 )))|(((
246 save i as 16-bit integer tiff in /gpfs/...
247 )))
248 |(((
249 ##**write_tiff, '/gpfs/current/raw/test_absorption.tif', a, /FLOAT**##
250 )))|(((
251 save a as 32-bit float tiff in /gpfs/...
252 )))
253
254 == {{id name="IDLcheatsheet-Macrosmotion+images"/}}Macros motion  + images ==
255
256 These macros make images with predefined and internally saved values (like exposure time or display scale). Some move an axis first and then make an image (again with internally saved options likeexposure time, and image type). **You may use these macros to quickly align samples.**
257
258 (% class="relative-table wrapped" style="width:114.69%" %)
259 |=(((
260 IDL command
261 )))|=(((
262 description
263 )))
264 |(((
265 **{{code language="none"}}qt (, t=100, scale=[0,4096]){{/code}}**
266 )))|(((
267 Quick **transmission** image at the current position. Options: set new exposure time, set new scale for image display,
268 )))
269 |(((
270 **{{code language="none"}}qa (, t=100, scale=[0,2], /ref, /here){{/code}}**
271 )))|(((
272 Quick **absorption** image at s_in position. Options: set new exposure time, set new scale for image display, make new reference image, make image at current position.
273 )))
274 |(((
275 **{{code language="none"}}qp (, t=100, scale=[0,2], /ref, /here){{/code}}**
276 )))|(((
277 Quick **phase** image at s_in position. Options: set new exposure time, set new scale for image display, make new reference image, make image at current position
278 )))
279 |(((
280 **{{code language="none"}}qr (, t=100, scale=[0,4096]){{/code}}**
281 )))|(((
282 Quick **reference image**. Options: set new exposure time,  set new scale for image display,
283 )))
284 |(((
285 **{{code language="none"}}side, 90 (, t=100, /ref, /rel, /here, imgtype='a') {{/code}}**
286 )))|(((
287 **Rotate** (absolute degrees) and make an image at the new position. Options: set new exposure time, make new reference image, make image at current position, set image type ('a': absorption, 't': transmission, 'p' phase)
288 )))
289 |(((
290 **{{code language="none"}}sshift, 2 (, t=100, /ref, /here, imgtype='a'){{/code}}**
291 )))|(((
292 Move **sample stage laterally** (relative, mm) and make an image at the new position. Options: set exposure time, make new reference image, , make image at current position, set image type ('a': absorption, 't': transmission, 'p' phase)
293 )))
294 |(((
295 ##**sz, 2 (, t=100, /ref, /here, imgtype='a')**##
296 )))|(((
297 Move **rotation stage up or down** (relative, mm) and make an image at the new position. Options: set exposure time, make reference image, make image at current position, set image type ('a': absorption, 't': transmission, 'p' phase)
298 )))
299 |(((
300 **{{code language="none"}}zx, 2 (, t=100, /ref, /here, imgtype='a'){{/code}}**
301 )))|(((
302 Move **rotation stage left or right** (relative, mm) and make an image at the new position. Options: set exposure time, make reference image, make image at current position, set image type ('a': absorption, 't': transmission, 'p' phase)
303 )))
304
305 {{info title="
306
307
308 Monochromator positioning"}}
309 ATTENTION: Setting up a Monochromator as well as positioning front end slits is **only** done by the beamline staff!
310
311 The commands above may be used by users to realign the beam should it beam profile drift with time.
312 {{/info}}
313
314 == {{id name="IDLcheatsheet-DCMpositioning"/}}DCM positioning ==
315
316 (% class="fixed-table wrapped" %)
317 |=(((
318 IDL command
319 )))|=(((
320 description
321 )))|=(((
322 motion
323 )))
324 |(((
325 ##**dcm_pitch, 0.00001**##
326 )))|(((
327 move 2nd crystal pitch by 0.00001 deg
328 )))|(((
329 relative [ deg ]
330 )))
331 |(((
332 ##**goto_dcm_pitch,  -0.03976**##
333 )))|(((
334 move 2nd crystal pitch to -0.03976 deg
335 )))|(((
336 absolute [ deg ]
337 )))
338 |(((
339 ##**reflex_opt_single**##
340 )))|(((
341 move 2nd crystal pitch to optimal flux position
342 )))|(((
343
344 )))
345
346 == {{id name="IDLcheatsheet-DMMpositioning"/}}DMM positioning ==
347
348 (% class="fixed-table wrapped" %)
349 |=(((
350 IDL command
351 )))|=(((
352 description
353 )))|=(((
354 motion
355 )))
356 |(((
357 ##**dmm_x2_rot, 0.001**##
358 )))|(((
359 move 2nd crystal pitch by 0.00001 deg
360 )))|(((
361 relative [ deg ]
362 )))
363 |(((
364 ##**goto_dmm_x2_rot,  0.8923**##
365 )))|(((
366 move 2nd crystal pitch to 0.8923 deg
367 )))|(((
368 absolute [ deg ]
369 )))
370
371
372
373 == {{id name="IDLcheatsheet-Generalsyntax"/}}General syntax ==
374
375 (% class="relative-table wrapped" style="width:45.5603%" %)
376 |=(((
377 Functionality
378 )))|=(((
379 IDL syntax
380 )))
381 |(((
382 chaining commands
383 )))|(((
384 command_1 **&** command_2 **&** ...
385 )))
386 |(((
387 absolute movement
388 )))|(((
389 **goto_**//motor//, position
390 )))
391 |(((
392 relative movement
393 )))|(((
394 //motor//, position
395 )))
396 |(((
397 current motor position
398 )))|(((
399 **pos_**//motor//()
400 )))
401
402 == {{id name="IDLcheatsheet-BeamshutterandInterlockcontrol"/}}Beamshutter and Interlock control ==
403
404 (% class="relative-table wrapped" style="width:75.0455%" %)
405 |=(((
406 IDL command
407 )))|=(((
408 description
409 )))
410 |(((
411 ##**bs_info**##
412 )))|(((
413 prints an overview of the beamline beamshutter status
414 )))
415 |(((
416 ##**bsoh_open / bsoh_close**##
417 )))|(((
418 opens / closes the optics hutch beamshutter. Closing the OH beamshutter will close all following beamshutters (EH1, EH2)
419 )))
420 |(((
421 ##**bseh1_open / bseh1_close**##
422 )))|(((
423 opens / closes the EH1 beamshutter. Opening will open the OH beamshutter as well. Closing the OH beamshutter will the EH2 beamshutter as well
424 )))
425 |(((
426 ##**bseh2_open / bseh2_close**##
427 )))|(((
428 opens / closes the EH2 beamshutter. Openening will open the OH and EH1 beamshutters as well.
429 )))
430 |(((
431 ##**ics_info**##
432 )))|(((
433 prints an overview of the beamline interlock status
434 )))
435 |(((
436 ##**oh_break_ics**##
437 )))|(((
438 closes all P05 beamshutters and breaks OH door interlock. P06 beamshutter must be closed for this command to work!
439 )))
440 |(((
441 ##**eh1_break_ics**##
442 )))|(((
443 closes EH1 beamshutter (and EH2 beamshutter  if open) and breaks EH1 door interlock
444 )))
445 |(((
446 ##**eh2_break_ics**##
447 )))|(((
448 closes EH2 beamshutter and breaks EH2 door interlock
449 )))
450
451 == Serialscan Macros ==
452
453 |=IDL command|=Description
454 |##**ss_init**##|reset table
455 |**##ss_info##**|print current
456
457