Wiki source code of IDL cheat sheet

Version 27.1 by fwilde on 2018/12/18 12:07
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1 This is an overview of the most commonly used commands during a beamtime.
2
3 == {{id name="IDLcheatsheet-Coordinatesystem"/}}Coordinate system ==
4
5 Right-handed coordinate system with y-direction along the x-ray beam.
6
7 \\
8
9 [[image:attach:p05_uct.png||width="700"]]
10
11 == {{id name="IDLcheatsheet-Samplepositioning"/}}Sample positioning ==
12
13 (% class="wrapped fixed-table" %)
14 |=(((
15 IDL command
16 )))|=(((
17 description
18 )))|=(((
19 motion
20 )))
21 |(((
22 s_stage_x/z, 1
23 )))|(((
24 move rotation stage in x/z-direction by 1 mm
25 )))|(((
26 relative [ mm ]
27 )))
28 |(((
29 s_pos_z, 1
30 )))|(((
31 move sample stage in z-direction by 1 mm,
32 )))|(((
33 relative [ mm ]
34 )))
35 |(((
36 s_pos_lateral, 1
37 )))|(((
38 move sample stage in x-direction by 1 mm, regardless of position of rotation axis
39 )))|(((
40 relative [ mm ]
41 )))
42 |(((
43 s_angle, 90
44 )))|(((
45 rotate sample around z axis
46 )))|(((
47 relative [ deg ]
48 )))
49 |(((
50 s_in
51 )))|(((
52 move sample to "in" position
53 )))|(((
54 predefined
55 )))
56 |(((
57 s_out
58 )))|(((
59 move sample to "out" position
60 )))|(((
61 predefined
62 )))
63 |(((
64 s_change
65 )))|(((
66 move sample to "change" position
67 )))|(((
68 predefined
69 )))
70
71 \\
72
73 \\
74
75 (% class="relative-table wrapped" style="width: 72.9307%;" %)
76 |=(((
77 IDL command
78 )))|=(((
79 description
80 )))|=(((
81 motion
82 )))
83 |(((
84 goto_s_stage_x/z, 1
85 )))|(((
86 move rotation stage in x/z-direction to 1 mm
87 )))|(((
88 absolute [ mm ]
89 )))
90 |(((
91 goto_s_pos_x/y/z, 1
92 )))|(((
93 move sample stage in x/y/z-direction to 1  mm
94 )))|(((
95 absolute [ mm ]
96 )))
97 |(((
98 goto_s_angle, 90
99 )))|(((
100 rotate sample around z axis to 90°
101 )))|(((
102 absolute [ deg ]
103 )))
104
105 (% class="relative-table wrapped" style="width: 67.1421%;" %)
106 |=(((
107 IDL command
108 )))|=(((
109 description
110 )))
111 |(((
112 pos_s_stage_x/z()
113 )))|(((
114 return current rotation stage in x/z position
115 )))
116 |(((
117 pos_s_pos_x/y/z()
118 )))|(((
119 return current sample stage in x/y/z position
120 )))
121 |(((
122 pos_s_angle()
123 )))|(((
124 return current rotation stage angle
125 )))
126
127 == {{id name="IDLcheatsheet-Detectorpositioning"/}}Detector positioning ==
128
129 (% class="wrapped fixed-table" %)
130 |=(((
131 IDL command
132 )))|=(((
133 description
134 )))|=(((
135 motion
136 )))
137 |(((
138 pressure_on
139 )))|(((
140 enable detector y movement
141 )))|(((
142 \\
143 )))
144 |(((
145 o_ccd_dist, 5
146 )))|(((
147 move detector in y direction
148 )))|(((
149 relative [ mm ]
150 )))
151 |(((
152 pressure_off
153 )))|(((
154 disable detector movement
155 )))|(((
156 \\
157 )))
158
159 == {{id name="IDLcheatsheet-Makeimage"/}}Make image ==
160
161 (% class="wrapped fixed-table" %)
162 |=(((
163 IDL command
164 )))|=(((
165 description
166 )))
167 |(((
168 i=quick(100) & tv_quick, i & draw_box, [ x1, x2 ,z1 ,z2 ]
169 )))|(((
170 make an image & show image & draw box
171 )))
172 |(((
173 a=quick_abs(100) & tv_quick, a & draw_box, [ x1, x2 ,z1 ,z2 ]
174 )))|(((
175 make an absorption image & show image & draw box
176 )))
177
178 == {{id name="IDLcheatsheet-Monochromatorpositioning"/}}Monochromator positioning ==
179
180 (% class="wrapped fixed-table" %)
181 |=(((
182 IDL command
183 )))|=(((
184 description
185 )))|=(((
186 motion
187 )))
188 |(((
189 calc_dcm_energy, 10000, /set
190 )))|(((
191 set DCM and undulator to 10 keV
192 )))|(((
193 \\
194 )))
195 |(((
196 dcm_pitch, 0.00001
197 )))|(((
198 move 2nd crystal pitch by 0.00001 deg
199 )))|(((
200 relative [ deg ]
201 )))
202 |(((
203 goto_dcm_pitch,  -0.03976
204 )))|(((
205 move 2nd crystal pitch to -0.03976 deg
206 )))|(((
207 absolute [ deg ]
208 )))
209 |(((
210 reflex_opt
211 )))|(((
212 move 2nd crystal pitch to optimal flux position
213 )))|(((
214 \\
215 )))
216 |(((
217 gap, 0.01
218 )))|(((
219 move undulator gap by 0.01 mm
220 )))|(((
221 relative [ mm ]
222 )))
223
224 == {{id name="IDLcheatsheet-Saveanimageastiff"/}}Save an image as tiff ==
225
226 (% class="wrapped" %)
227 |=(((
228 IDL command
229 )))|=(((
230 desciption
231 )))
232 |(((
233 write_tiff, '/gpfs/current/raw/test.tif', i, /SHORT
234 )))|(((
235 save i as 16-bit tiff in /gofs/...
236 )))
237
238 == {{id name="IDLcheatsheet-Generalremarks"/}}General remarks ==
239
240 |=(((
241 Functionality
242 )))|=(((
243 IDL syntax
244 )))
245 |(((
246 Chaining commands
247 )))|(((
248 command_1 **&** command_2 **&** ...
249 )))
250 |(((
251 absolute movement
252 )))|(((
253 **goto_**//motor//, position
254 )))
255 |(((
256 relative movement
257 )))|(((
258 //motor//, position
259 )))
260 |(((
261 current motor position
262 )))|(((
263 **pos_**//motor//()
264 )))