Wiki source code of IDL cheat sheet

Version 52.1 by fwilde on 2023/02/21 18:16

version	line-number	content
22.1	1	== {{id name="IDLcheatsheet-Coordinatesystem"/}}Coordinate system ==
	2
23.1	3	Right-handed coordinate system with y-direction along the x-ray beam.
	4
25.1	5	[[image:attach:p05_uct.png\|\|width="700"]]
	6
6.1	7	== {{id name="IDLcheatsheet-Samplepositioning"/}}Sample positioning ==
	8
31.1	9	=== {{id name="IDLcheatsheet-Relativemovement"/}}Relative movement ===
	10
12.1	11	(% class="wrapped fixed-table" %)
1.1	12	\|=(((
	13	IDL command
	14	)))\|=(((
	15	description
3.1	16	)))\|=(((
	17	motion
1.1	18	)))
	19	\|(((
46.1	20	##s_stage_x/z, 1##
1.1	21	)))\|(((
15.1	22	move rotation stage in x/z-direction by 1 mm
3.1	23	)))\|(((
	24	relative [ mm ]
1.1	25	)))
	26	\|(((
46.1	27	##s_pos_x/y/z, 1##
1.1	28	)))\|(((
45.1	29	move sample stage in x/y/z-direction by 1 mm (caution with directions: stage mount on rotation axis)
3.1	30	)))\|(((
	31	relative [ mm ]
1.1	32	)))
	33	\|(((
52.1	34	##s_pos, 1##
18.1	35	)))\|(((
	36	move sample stage in x-direction by 1 mm, regardless of position of rotation axis
	37	)))\|(((
	38	relative [ mm ]
	39	)))
	40	\|(((
46.1	41	##s_angle, 90##
3.1	42	)))\|(((
9.1	43	rotate sample around z axis
3.1	44	)))\|(((
9.1	45	relative [ deg ]
3.1	46	)))
6.1	47
31.1	48	=== {{id name="IDLcheatsheet-Absolutemovement"/}}Absolute movement ===
	49
46.1	50	(% class="relative-table wrapped" style="width: 67.0892%;" %)
15.1	51	\|=(((
	52	IDL command
	53	)))\|=(((
	54	description
	55	)))\|=(((
	56	motion
	57	)))
	58	\|(((
46.1	59	##goto_s_stage_x/z, 1##
15.1	60	)))\|(((
	61	move rotation stage in x/z-direction to 1 mm
	62	)))\|(((
	63	absolute [ mm ]
	64	)))
	65	\|(((
46.1	66	##goto_s_pos_x/y/z, 1##
15.1	67	)))\|(((
45.1	68	move sample stage in x/y/z-direction to 1 mm
15.1	69	)))\|(((
	70	absolute [ mm ]
	71	)))
	72	\|(((
46.1	73	##goto_s_angle, 90##
15.1	74	)))\|(((
46.1	75	rotate sample around z axis to 90° (alias command: s_rot)
15.1	76	)))\|(((
	77	absolute [ deg ]
	78	)))
	79
32.1	80	=== {{id name="IDLcheatsheet-Getcurrentposition"/}}Get current position ===
31.1	81
46.1	82	(% class="relative-table wrapped" style="width: 54.0627%;" %)
15.1	83	\|=(((
	84	IDL command
	85	)))\|=(((
	86	description
	87	)))
	88	\|(((
46.1	89	##pos_s_stage_x/z()##
15.1	90	)))\|(((
	91	return current rotation stage in x/z position
	92	)))
	93	\|(((
46.1	94	##pos_s_pos_x/y/z()##
15.1	95	)))\|(((
45.1	96	return current sample stage in x/y/z position
15.1	97	)))
	98	\|(((
46.1	99	##pos_s_angle()##
15.1	100	)))\|(((
	101	return current rotation stage angle
	102	)))
	103
31.1	104	=== {{id name="IDLcheatsheet-Predefinedpositions"/}}Predefined positions ===
	105
45.1	106	(% class="relative-table wrapped" style="width: 55.721%;" %)
31.1	107	\|=(((
	108	IDL command
	109	)))\|=(((
	110	description
	111	)))
	112	\|(((
46.1	113	##s_in##
31.1	114	)))\|(((
	115	move sample to "in" position
	116	)))
	117	\|(((
46.1	118	##s_out##
31.1	119	)))\|(((
	120	move sample to "out" position
	121	)))
	122	\|(((
46.1	123	##s_change##
31.1	124	)))\|(((
	125	move sample to "change" position
	126	)))
	127	\|(((
46.1	128	##set_s_in_pos, 0##
31.1	129	)))\|(((
	130	set s_in position to 0.0 mm
	131	)))
	132	\|(((
46.1	133	##set_s_out_dist, 10##
31.1	134	)))\|(((
	135	set s_out distance to 10.0 mm
	136	)))
	137
45.1	138	=== {{id name="IDLcheatsheet-Magnificationsets"/}}Magnification sets ===
	139
	140	(% class="wrapped" %)
	141	\|=(((
	142	IDL command
	143	)))\|=(((
	144	description
	145	)))
	146	\|(((
51.1	147	##**save_magn_set(, name_add)
	148	**##
45.1	149	)))\|(((
51.1	150	save current magnification set, optionally add something to the automatically generated name
45.1	151	)))
	152	\|(((
51.1	153	##**restore_magn_set(, name)
	154	**##
45.1	155	)))\|(((
51.1	156	restore last magnification set, or optionally load a file with a specific name
45.1	157	)))
	158
6.1	159	== {{id name="IDLcheatsheet-Detectorpositioning"/}}Detector positioning ==
	160
12.1	161	(% class="wrapped fixed-table" %)
6.1	162	\|=(((
7.1	163	IDL command
6.1	164	)))\|=(((
	165	description
	166	)))\|=(((
	167	motion
	168	)))
3.1	169	\|(((
50.1	170	##o_ccd_dist, 5##
1.1	171	)))\|(((
50.1	172	move detector in y direction relative by 5 mm
6.1	173	)))\|(((
50.1	174	relative [ mm ]
6.1	175	)))
	176	\|(((
50.1	177	##goto_o_ccd_dist, 30##
3.1	178	)))\|(((
50.1	179	move detector in y direction absoilute to 30 mm
6.1	180	)))\|(((
50.1	181	\\
6.1	182	)))
	183	\|(((
50.1	184	##pos_o_ccd_dist()##
6.1	185	)))\|(((
50.1	186	return current of the camera stage distance
6.1	187	)))\|(((
3.1	188	\\
1.1	189	)))
3.1	190
45.1	191	== {{id name="IDLcheatsheet-Slitpositioning"/}}Slit positioning ==
	192
	193	(% class="wrapped" %)
	194	\|=(((
	195	IDL command
	196	)))\|=(((
	197	description
	198	)))
	199	\|(((
47.1	200	##slit_oh, rx=1 (rz=1)##
	201	)))\|(((
	202	moves oh slit aperture horizontally (vertically) by 1mm
	203	)))
	204	\|(((
	205	##slit_oh, rdx=1 (rdz=1)##
	206	)))\|(((
	207	opens oh the slit aperture horizontally (vertically) by 1 mm
	208	)))
	209	\|(((
46.1	210	##slit_eh2, rx=1 (rz=1)##
45.1	211	)))\|(((
47.1	212	moves eh2 slit aperture horizontally (vertically) by 1 mm
45.1	213	)))
	214	\|(((
47.1	215	##slit_eh2, rdx=1 (rdz=1)##
45.1	216	)))\|(((
47.1	217	opens eh2 the slit aperture horizontally (vertically) by 1 mm
45.1	218	)))
	219	\|(((
46.1	220	##slit_info##
45.1	221	)))\|(((
	222	show all slit positions
	223	)))
	224
	225	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)
	226
47.1	227	== {{id name="IDLcheatsheet-Makeandsaveimages"/}}Make and save images ==
7.1	228
12.1	229	(% class="wrapped fixed-table" %)
7.1	230	\|=(((
	231	IDL command
	232	)))\|=(((
	233	description
	234	)))
	235	\|(((
47.1	236	##**i=quick(100) & display_image, BYSTCL(i, 0, 4096)
	237	**##
7.1	238	)))\|(((
47.1	239	make an image & scale image (eg. from 0 to 4096, usually from 0 to maximum value the camera can do)
7.1	240	)))
	241	\|(((
47.1	242	##a=quick_abs(100) & display_image, BYTSCL(a, 0, 2)##
7.1	243	)))\|(((
47.1	244	make an absorption image & scale image (usually from 0 to to 2)
7.1	245	)))
34.1	246	\|(((
47.1	247	##write_tiff, '/gpfs/current/raw/test_projection.tif', i, /SHORT##
34.1	248	)))\|(((
47.1	249	save i as 16-bit integer tiff in /gpfs/...
34.1	250	)))
47.1	251	\|(((
	252	##write_tiff, '/gpfs/current/raw/test_absorption.tif', a, /FLOAT##
	253	)))\|(((
	254	save a as 32-bit float tiff in /gpfs/...
	255	)))
7.1	256
49.1	257	\\
	258
	259	\\
	260
	261	{{info title="Monochromator positioning"}}
	262	ATTENTION: Setting up a Monochromator as well as positioning front end slits is only done by the beamline staff!
	263
	264	The commands above may be used by users to realign the beam should it beam profile drift with time.
	265	{{/info}}
	266
47.1	267	== {{id name="IDLcheatsheet-DCMpositioning"/}}DCM positioning ==
6.1	268
12.1	269	(% class="wrapped fixed-table" %)
3.1	270	\|=(((
	271	IDL command
	272	)))\|=(((
	273	description
	274	)))\|=(((
	275	motion
	276	)))
1.1	277	\|(((
46.1	278	##dcm_pitch, 0.00001##
1.1	279	)))\|(((
4.1	280	move 2nd crystal pitch by 0.00001 deg
3.1	281	)))\|(((
4.1	282	relative [ deg ]
3.1	283	)))
	284	\|(((
46.1	285	##goto_dcm_pitch, -0.03976##
3.1	286	)))\|(((
4.1	287	move 2nd crystal pitch to -0.03976 deg
3.1	288	)))\|(((
4.1	289	absolute [ deg ]
1.1	290	)))
3.1	291	\|(((
51.1	292	##reflex_opt_single##
3.1	293	)))\|(((
4.1	294	move 2nd crystal pitch to optimal flux position
3.1	295	)))\|(((
	296	\\
	297	)))
47.1	298
	299	== {{id name="IDLcheatsheet-DMMpositioning"/}}DMM positioning ==
	300
48.1	301	(% class="fixed-table wrapped" %)
47.1	302	\|=(((
	303	IDL command
	304	)))\|=(((
	305	description
	306	)))\|=(((
	307	motion
	308	)))
26.1	309	\|(((
47.1	310	##dmm_x2_rot, 0.001##
	311	)))\|(((
	312	move 2nd crystal pitch by 0.00001 deg
	313	)))\|(((
	314	relative [ deg ]
	315	)))
	316	\|(((
	317	##**goto_dmm_x2_rot, 0.8923
	318	**##
	319	)))\|(((
	320	move 2nd crystal pitch to 0.8923 deg
	321	)))\|(((
	322	absolute [ deg ]
	323	)))
14.1	324
47.1	325	\\
	326
35.1	327	== {{id name="IDLcheatsheet-Generalsyntax"/}}General syntax ==
27.1	328
46.1	329	(% class="wrapped relative-table" style="width: 45.5603%;" %)
27.1	330	\|=(((
	331	Functionality
	332	)))\|=(((
	333	IDL syntax
	334	)))
	335	\|(((
46.1	336	chaining commands
27.1	337	)))\|(((
	338	command_1 & command_2 & ...
	339	)))
	340	\|(((
	341	absolute movement
	342	)))\|(((
	343	goto_//motor//, position
	344	)))
	345	\|(((
	346	relative movement
	347	)))\|(((
	348	//motor//, position
	349	)))
	350	\|(((
	351	current motor position
	352	)))\|(((
	353	pos_//motor//()
	354	)))
45.1	355
	356	== {{id name="IDLcheatsheet-BeamshutterandInterlockcontrol"/}}Beamshutter and Interlock control ==
	357
46.1	358	(% class="wrapped relative-table" style="width: 75.0455%;" %)
45.1	359	\|=(((
	360	IDL command
	361	)))\|=(((
	362	description
	363	)))
	364	\|(((
46.1	365	##bs_info##
45.1	366	)))\|(((
	367	prints an overview of the beamline beamshutter status
	368	)))
	369	\|(((
46.1	370	##bsoh_open / bsoh_close##
45.1	371	)))\|(((
	372	opens / closes the optics hutch beamshutter. Closing the OH beamshutter will close all following beamshutters (EH1, EH2)
	373	)))
	374	\|(((
46.1	375	##bseh1_open / bseh1_close##
45.1	376	)))\|(((
	377	opens / closes the EH1 beamshutter. Opening will open the OH beamshutter as well. Closing the OH beamshutter will the EH2 beamshutter as well
	378	)))
	379	\|(((
46.1	380	##bseh2_open / bseh2_close##
45.1	381	)))\|(((
	382	opens / closes the EH2 beamshutter. Openening will open the OH and EH1 beamshutters as well.
	383	)))
	384	\|(((
46.1	385	##ics_info##
45.1	386	)))\|(((
	387	prints an overview of the beamline interlock status
	388	)))
	389	\|(((
51.1	390	##oh_break_ics##
45.1	391	)))\|(((
	392	closes all P05 beamshutters and breaks OH door interlock. P06 beamshutter must be closed for this command to work!
	393	)))
	394	\|(((
51.1	395	##eh1_break_ics##
45.1	396	)))\|(((
	397	closes EH1 beamshutter (and EH2 beamshutter if open) and breaks EH1 door interlock
	398	)))
	399	\|(((
51.1	400	##eh2_break_ics##
45.1	401	)))\|(((
	402	closes EH2 beshutter and breaks EH2 door interlock
	403	)))

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