Wiki source code of IDL cheat sheet

Version 31.1 by fwilde on 2018/12/18 12:19
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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="wrapped fixed-table" %)
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_z, 1
28 )))|(((
29 move sample stage in z-direction by 1 mm,
30 )))|(((
31 relative [ mm ]
32 )))
33 |(((
34 s_pos_lateral, 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: 63.4026%;" %)
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°
76 )))|(((
77 absolute [ deg ]
78 )))
79
80 === {{id name="IDLcheatsheet-Currentposition"/}}Current position ===
81
82 (% class="relative-table wrapped" style="width: 51.477%;" %)
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" style="width: 52.0241%;" %)
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 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-Detectorpositioning"/}}Detector positioning ==
139
140 (% class="wrapped fixed-table" %)
141 |=(((
142 IDL command
143 )))|=(((
144 description
145 )))|=(((
146 motion
147 )))
148 |(((
149 pressure_on
150 )))|(((
151 enable detector y movement
152 )))|(((
153 \\
154 )))
155 |(((
156 o_ccd_dist, 5
157 )))|(((
158 move detector in y direction
159 )))|(((
160 relative [ mm ]
161 )))
162 |(((
163 pressure_off
164 )))|(((
165 disable detector movement
166 )))|(((
167 \\
168 )))
169
170 == {{id name="IDLcheatsheet-Makeimage"/}}Make image ==
171
172 (% class="wrapped fixed-table" %)
173 |=(((
174 IDL command
175 )))|=(((
176 description
177 )))
178 |(((
179 i=quick(100) & tv_quick, i & draw_box, [ x1, x2 ,z1 ,z2 ]
180 )))|(((
181 make an image & show image & draw box
182 )))
183 |(((
184 a=quick_abs(100) & tv_quick, a & draw_box, [ x1, x2 ,z1 ,z2 ]
185 )))|(((
186 make an absorption image & show image & draw box
187 )))
188
189 == {{id name="IDLcheatsheet-Monochromatorpositioning"/}}Monochromator positioning ==
190
191 (% class="wrapped fixed-table" %)
192 |=(((
193 IDL command
194 )))|=(((
195 description
196 )))|=(((
197 motion
198 )))
199 |(((
200 calc_dcm_energy, 10000, /set
201 )))|(((
202 set DCM and undulator to 10 keV
203 )))|(((
204 \\
205 )))
206 |(((
207 dcm_pitch, 0.00001
208 )))|(((
209 move 2nd crystal pitch by 0.00001 deg
210 )))|(((
211 relative [ deg ]
212 )))
213 |(((
214 goto_dcm_pitch,  -0.03976
215 )))|(((
216 move 2nd crystal pitch to -0.03976 deg
217 )))|(((
218 absolute [ deg ]
219 )))
220 |(((
221 reflex_opt
222 )))|(((
223 move 2nd crystal pitch to optimal flux position
224 )))|(((
225 \\
226 )))
227 |(((
228 gap, 0.01
229 )))|(((
230 move undulator gap by 0.01 mm
231 )))|(((
232 relative [ mm ]
233 )))
234
235 == {{id name="IDLcheatsheet-Saveanimageastiff"/}}Save an image as tiff ==
236
237 (% class="wrapped relative-table" style="width: 60.1204%;" %)
238 |=(((
239 IDL command
240 )))|=(((
241 desciption
242 )))
243 |(((
244 write_tiff, '/gpfs/current/raw/test.tif', i, /SHORT
245 )))|(((
246 save i as 16-bit tiff in /gofs/...
247 )))
248
249 == {{id name="IDLcheatsheet-Generalremarks"/}}General remarks ==
250
251 (% class="wrapped relative-table" style="width: 51.5317%;" %)
252 |=(((
253 Functionality
254 )))|=(((
255 IDL syntax
256 )))
257 |(((
258 Chaining commands
259 )))|(((
260 command_1 **&** command_2 **&** ...
261 )))
262 |(((
263 absolute movement
264 )))|(((
265 **goto_**//motor//, position
266 )))
267 |(((
268 relative movement
269 )))|(((
270 //motor//, position
271 )))
272 |(((
273 current motor position
274 )))|(((
275 **pos_**//motor//()
276 )))