| 1 | """ |
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| 2 | This module provides a GUI for the file converter |
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| 3 | """ |
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| 4 | |
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| 5 | import wx |
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| 6 | import sys |
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| 7 | import numpy as np |
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| 8 | from wx.lib.scrolledpanel import ScrolledPanel |
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| 9 | from sas.sasgui.guiframe.panel_base import PanelBase |
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| 10 | from sas.sasgui.perspectives.calculator import calculator_widgets as widget |
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| 11 | from sas.sasgui.perspectives.file_converter.converter_widgets import VectorInput |
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| 12 | from sas.sasgui.guiframe.events import StatusEvent |
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| 13 | from sas.sasgui.guiframe.dataFitting import Data1D |
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| 14 | from sas.sasgui.guiframe.utils import check_float |
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| 15 | from sas.sascalc.dataloader.readers.cansas_reader import Reader as CansasReader |
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| 16 | from sas.sascalc.dataloader.data_info import Detector |
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| 17 | from sas.sascalc.dataloader.data_info import Vector |
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| 18 | |
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| 19 | # Panel size |
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| 20 | if sys.platform.count("win32") > 0: |
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| 21 | PANEL_TOP = 0 |
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| 22 | _STATICBOX_WIDTH = 410 |
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| 23 | _BOX_WIDTH = 200 |
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| 24 | PANEL_SIZE = 480 |
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| 25 | FONT_VARIANT = 0 |
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| 26 | else: |
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| 27 | PANEL_TOP = 60 |
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| 28 | _STATICBOX_WIDTH = 430 |
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| 29 | _BOX_WIDTH = 200 |
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| 30 | PANEL_SIZE = 500 |
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| 31 | FONT_VARIANT = 1 |
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| 32 | |
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| 33 | class ConverterPanel(ScrolledPanel, PanelBase): |
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| 34 | |
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| 35 | def __init__(self, parent, base=None, *args, **kwargs): |
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| 36 | ScrolledPanel.__init__(self, parent, *args, **kwargs) |
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| 37 | PanelBase.__init__(self) |
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| 38 | self.SetupScrolling() |
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| 39 | self.SetWindowVariant(variant=FONT_VARIANT) |
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| 40 | |
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| 41 | self.base = base |
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| 42 | self.parent = parent |
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| 43 | |
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| 44 | self.q_input = None |
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| 45 | self.iq_input = None |
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| 46 | self.output = None |
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| 47 | self.to_validate = [] |
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| 48 | |
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| 49 | self.metadata = { |
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| 50 | 'title': None, |
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| 51 | 'run': None, |
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| 52 | 'run_name': None, |
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| 53 | 'instrument': None, |
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| 54 | 'detector': [Detector()] |
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| 55 | } |
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| 56 | self.vectors = ['offset', 'orientation', 'pixel_size', 'beam_center'] |
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| 57 | for vector_name in self.vectors: |
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| 58 | setattr(self.metadata['detector'][0], vector_name, Vector()) |
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| 59 | |
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| 60 | self._do_layout() |
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| 61 | self.SetAutoLayout(True) |
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| 62 | self.Layout() |
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| 63 | |
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| 64 | def convert_to_cansas(self, data, filename): |
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| 65 | reader = CansasReader() |
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| 66 | reader.write(filename, data) |
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| 67 | |
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| 68 | def extract_data(self, filename): |
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| 69 | data = np.loadtxt(filename, dtype=str) |
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| 70 | |
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| 71 | if len(data.shape) != 1: |
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| 72 | msg = "Error reading {}: Only one column of data is allowed" |
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| 73 | raise Exception(msg.format(filename.split('\\')[-1])) |
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| 74 | |
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| 75 | is_float = True |
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| 76 | try: |
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| 77 | float(data[0]) |
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| 78 | except: |
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| 79 | is_float = False |
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| 80 | |
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| 81 | if not is_float: |
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| 82 | end_char = data[0][-1] |
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| 83 | # If lines end with comma or semi-colon, trim the last character |
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| 84 | if end_char == ',' or end_char == ';': |
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| 85 | data = map(lambda s: s[0:-1], data) |
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| 86 | else: |
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| 87 | msg = ("Error reading {}: Lines must end with a digit, comma " |
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| 88 | "or semi-colon").format(filename.split('\\')[-1]) |
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| 89 | raise Exception(msg) |
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| 90 | |
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| 91 | return np.array(data, dtype=np.float32) |
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| 92 | |
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| 93 | def on_convert(self, event): |
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| 94 | if not self.validate_inputs(): |
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| 95 | return |
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| 96 | |
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| 97 | try: |
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| 98 | qdata = self.extract_data(self.q_input.GetPath()) |
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| 99 | iqdata = self.extract_data(self.iq_input.GetPath()) |
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| 100 | except Exception as ex: |
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| 101 | msg = str(ex) |
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| 102 | wx.PostEvent(self.parent.manager.parent, |
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| 103 | StatusEvent(status=msg, info='error')) |
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| 104 | return |
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| 105 | |
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| 106 | output_path = self.output.GetPath() |
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| 107 | data = Data1D(x=qdata, y=iqdata) |
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| 108 | data.filename = output_path.split('\\')[-1] |
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| 109 | |
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| 110 | if self.metadata['run'] is not None: |
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| 111 | run = self.metadata['run'] |
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| 112 | run_name = self.metadata['run_name'] |
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| 113 | |
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| 114 | if not isinstance(run, list) and run is not None: |
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| 115 | self.metadata['run'] = [run] |
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| 116 | else: |
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| 117 | run = run[0] |
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| 118 | |
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| 119 | if not isinstance(run_name, dict): |
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| 120 | if run_name is not None: |
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| 121 | self.metadata['run_name'] = { run: run_name } |
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| 122 | else: |
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| 123 | self.metadata['run_name'] = {} |
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| 124 | else: |
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| 125 | self.metadata['run_name'][run] = run_name.values()[0] |
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| 126 | else: |
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| 127 | self.metadata['run'] = [] |
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| 128 | self.metadata['run_name'] = {} |
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| 129 | if self.metadata['detector'][0].name is None: |
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| 130 | self.metadata['detector'][0].name = '' |
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| 131 | |
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| 132 | # Convert vectors from strings to float |
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| 133 | for vector_name in self.vectors: |
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| 134 | # Vector of strings or Nones |
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| 135 | vector = getattr(self.metadata['detector'][0], vector_name) |
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| 136 | for direction in ['x', 'y', 'z']: |
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| 137 | value = getattr(vector, direction) |
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| 138 | if value is not None: |
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| 139 | value = float(value) |
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| 140 | setattr(vector, direction, value) |
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| 141 | setattr(self.metadata['detector'][0], vector_name, vector) |
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| 142 | |
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| 143 | for attr, value in self.metadata.iteritems(): |
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| 144 | if value is not None: |
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| 145 | setattr(data, attr, value) |
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| 146 | |
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| 147 | self.convert_to_cansas(data, output_path) |
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| 148 | wx.PostEvent(self.parent.manager.parent, |
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| 149 | StatusEvent(status="Conversion completed.")) |
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| 150 | |
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| 151 | def validate_inputs(self): |
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| 152 | msg = "You must select a" |
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| 153 | if self.q_input.GetPath() == '': |
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| 154 | msg += " Q Axis input file." |
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| 155 | elif self.iq_input.GetPath() == '': |
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| 156 | msg += "n Intensity input file." |
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| 157 | elif self.output.GetPath() == '': |
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| 158 | msg += "destination for the converted file." |
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| 159 | if msg != "You must select a": |
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| 160 | wx.PostEvent(self.parent.manager.parent, |
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| 161 | StatusEvent(status=msg, info='error')) |
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| 162 | return |
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| 163 | |
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| 164 | for ctrl in self.to_validate: |
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| 165 | ctrl_valid = True |
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| 166 | invalid_control = None |
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| 167 | if isinstance(ctrl, VectorInput): |
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| 168 | ctrl_valid, invalid_control = ctrl.Validate() |
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| 169 | else: |
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| 170 | if ctrl.GetValue() == '': continue |
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| 171 | ctrl_valid = check_float(ctrl) |
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| 172 | invalid_control = ctrl |
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| 173 | if not ctrl_valid: |
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| 174 | msg = "{} must be a valid float".format( |
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| 175 | invalid_control.GetName().replace('_', ' ')) |
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| 176 | wx.PostEvent(self.parent.manager.parent, |
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| 177 | StatusEvent(status=msg, info='error')) |
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| 178 | return False |
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| 179 | |
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| 180 | return True |
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| 181 | |
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| 182 | |
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| 183 | def metadata_changed(self, event): |
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| 184 | event.Skip() |
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| 185 | textbox = event.GetEventObject() |
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| 186 | attr = textbox.GetName() |
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| 187 | value = textbox.GetValue().strip() |
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| 188 | |
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| 189 | if attr.startswith('detector_'): |
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| 190 | attr = attr[9:] # Strip detector_ |
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| 191 | is_vector = False |
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| 192 | for vector_name in self.vectors: |
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| 193 | if attr.startswith(vector_name): is_vector = True |
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| 194 | if is_vector: |
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| 195 | if value == '': value = None |
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| 196 | direction = attr[-1] |
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| 197 | attr = attr[:-2] |
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| 198 | vector = getattr(self.metadata['detector'][0], attr) |
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| 199 | setattr(vector, direction, value) |
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| 200 | value = vector |
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| 201 | setattr(self.metadata['detector'][0], attr, value) |
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| 202 | return |
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| 203 | |
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| 204 | if value == '': |
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| 205 | self.metadata[attr] = None |
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| 206 | else: |
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| 207 | self.metadata[attr] = value |
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| 208 | |
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| 209 | |
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| 210 | def _do_layout(self): |
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| 211 | vbox = wx.BoxSizer(wx.VERTICAL) |
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| 212 | |
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| 213 | instructions = ("Select the 1 column ASCII files containing the Q Axis" |
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| 214 | " and Intensity data, chose where to save the converted file, then" |
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| 215 | " click Convert to convert them to CanSAS XML format. If required," |
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| 216 | " metadata can also be input below.") |
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| 217 | instruction_label = wx.StaticText(self, -1, instructions, |
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| 218 | size=(_STATICBOX_WIDTH+40, -1)) |
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| 219 | instruction_label.Wrap(_STATICBOX_WIDTH+40) |
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| 220 | vbox.Add(instruction_label, flag=wx.TOP | wx.LEFT | wx.RIGHT, border=5) |
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| 221 | |
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| 222 | section = wx.StaticBox(self, -1) |
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| 223 | section_sizer = wx.StaticBoxSizer(section, wx.VERTICAL) |
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| 224 | section_sizer.SetMinSize((_STATICBOX_WIDTH, -1)) |
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| 225 | |
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| 226 | input_grid = wx.GridBagSizer(5, 5) |
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| 227 | |
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| 228 | q_label = wx.StaticText(self, -1, "Q Axis: ") |
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| 229 | input_grid.Add(q_label, (0,0), (1,1), wx.ALIGN_CENTER_VERTICAL, 5) |
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| 230 | |
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| 231 | self.q_input = wx.FilePickerCtrl(self, -1, |
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| 232 | size=(_STATICBOX_WIDTH-80, -1), |
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| 233 | message="Chose the Q Axis data file.") |
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| 234 | input_grid.Add(self.q_input, (0,1), (1,1), wx.ALL, 5) |
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| 235 | |
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| 236 | iq_label = wx.StaticText(self, -1, "Intensity Data: ") |
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| 237 | input_grid.Add(iq_label, (1,0), (1,1), wx.ALIGN_CENTER_VERTICAL, 5) |
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| 238 | |
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| 239 | self.iq_input = wx.FilePickerCtrl(self, -1, |
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| 240 | size=(_STATICBOX_WIDTH-80, -1), |
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| 241 | message="Chose the Intensity data file.") |
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| 242 | input_grid.Add(self.iq_input, (1,1), (1,1), wx.ALL, 5) |
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| 243 | |
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| 244 | output_label = wx.StaticText(self, -1, "Output File: ") |
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| 245 | input_grid.Add(output_label, (2,0), (1,1), wx.ALIGN_CENTER_VERTICAL, 5) |
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| 246 | |
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| 247 | self.output = wx.FilePickerCtrl(self, -1, |
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| 248 | size=(_STATICBOX_WIDTH-80, -1), |
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| 249 | message="Chose the Intensity data file.", |
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| 250 | style=wx.FLP_SAVE | wx.FLP_OVERWRITE_PROMPT | wx.FLP_USE_TEXTCTRL, |
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| 251 | wildcard="*.xml") |
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| 252 | input_grid.Add(self.output, (2,1), (1,1), wx.ALL, 5) |
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| 253 | |
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| 254 | convert_btn = wx.Button(self, wx.ID_OK, "Convert") |
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| 255 | input_grid.Add(convert_btn, (3,0), (1,1), wx.ALL, 5) |
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| 256 | convert_btn.Bind(wx.EVT_BUTTON, self.on_convert) |
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| 257 | |
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| 258 | section_sizer.Add(input_grid) |
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| 259 | |
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| 260 | vbox.Add(section_sizer, flag=wx.ALL, border=5) |
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| 261 | |
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| 262 | metadata_section = wx.CollapsiblePane(self, -1, "Metadata", |
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| 263 | size=(_STATICBOX_WIDTH+40, -1), style=wx.WS_EX_VALIDATE_RECURSIVELY) |
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| 264 | metadata_pane = metadata_section.GetPane() |
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| 265 | metadata_grid = wx.GridBagSizer(5, 5) |
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| 266 | |
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| 267 | y = 0 |
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| 268 | for item in self.metadata.keys(): |
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| 269 | if item == 'detector': continue |
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| 270 | label_txt = item.replace('_', ' ').capitalize() |
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| 271 | label = wx.StaticText(metadata_pane, -1, label_txt, |
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| 272 | style=wx.ALIGN_CENTER_VERTICAL) |
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| 273 | input_box = wx.TextCtrl(metadata_pane, name=item, |
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| 274 | size=(_STATICBOX_WIDTH-80, -1)) |
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| 275 | input_box.Bind(wx.EVT_TEXT, self.metadata_changed) |
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| 276 | metadata_grid.Add(label, (y,0), (1,1), |
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| 277 | wx.ALL | wx.ALIGN_CENTER_VERTICAL, 5) |
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| 278 | metadata_grid.Add(input_box, (y,1), (1,2), wx.EXPAND) |
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| 279 | y += 1 |
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| 280 | |
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| 281 | detector_label = wx.StaticText(metadata_pane, -1, |
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| 282 | "Detector:") |
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| 283 | metadata_grid.Add(detector_label, (y, 0), (1,1), wx.ALL | wx.EXPAND, 5) |
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| 284 | y += 1 |
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| 285 | |
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| 286 | name_label = wx.StaticText(metadata_pane, -1, "Name: ") |
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| 287 | metadata_grid.Add(name_label, (y, 1), (1,1)) |
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| 288 | |
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| 289 | name_input = wx.TextCtrl(metadata_pane, |
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| 290 | name="detector_name", size=(_STATICBOX_WIDTH-80-55, -1)) |
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| 291 | metadata_grid.Add(name_input, (y, 2), (1,1)) |
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| 292 | name_input.Bind(wx.EVT_TEXT, self.metadata_changed) |
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| 293 | y += 1 |
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| 294 | |
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| 295 | distance_label = wx.StaticText(metadata_pane, -1, |
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| 296 | "Distance (mm): ") |
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| 297 | metadata_grid.Add(distance_label, (y, 1), (1,1)) |
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| 298 | |
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| 299 | distance_input = wx.TextCtrl(metadata_pane, -1, |
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| 300 | name="detector_distance", size=(50,-1)) |
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| 301 | metadata_grid.Add(distance_input, (y,2), (1,1)) |
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| 302 | self.to_validate.append(distance_input) |
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| 303 | distance_input.Bind(wx.EVT_TEXT, self.metadata_changed) |
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| 304 | y += 1 |
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| 305 | |
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| 306 | offset_label = wx.StaticText(metadata_pane, -1, |
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| 307 | "Offset (m): ") |
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| 308 | metadata_grid.Add(offset_label, (y,1), (1,1)) |
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| 309 | |
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| 310 | offset_input = VectorInput(metadata_pane, "detector_offset", |
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| 311 | callback=self.metadata_changed) |
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| 312 | self.to_validate.append(offset_input) |
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| 313 | metadata_grid.Add(offset_input.GetSizer(), (y,2), (1,1), wx.BOTTOM, 5) |
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| 314 | y += 1 |
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| 315 | |
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| 316 | orientation_label = wx.StaticText(metadata_pane, -1, |
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| 317 | u"Orientation (\xb0): ") |
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| 318 | metadata_grid.Add(orientation_label, (y, 1), (1, 1)) |
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| 319 | |
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| 320 | orientation_input = VectorInput(metadata_pane, "detector_orientation", |
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| 321 | callback=self.metadata_changed, z_enabled=True, |
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| 322 | labels=["Roll: ", "Pitch: ", "Yaw: "]) |
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| 323 | self.to_validate.append(orientation_input) |
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| 324 | metadata_grid.Add(orientation_input.GetSizer(), |
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| 325 | (y,2), (1,1), wx.BOTTOM, 5) |
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| 326 | y += 1 |
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| 327 | |
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| 328 | pixel_label = wx.StaticText(metadata_pane, -1, "Pixel Size (mm): ") |
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| 329 | metadata_grid.Add(pixel_label, (y,1), (1,1)) |
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| 330 | |
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| 331 | pixel_input = VectorInput(metadata_pane, "detector_pixel_size", |
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| 332 | callback=self.metadata_changed) |
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| 333 | self.to_validate.append(pixel_input) |
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| 334 | metadata_grid.Add(pixel_input.GetSizer(), (y,2), (1,1), wx.BOTTOM, 5) |
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| 335 | y += 1 |
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| 336 | |
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| 337 | beam_label = wx.StaticText(metadata_pane, -1, "Beam Center (mm): ") |
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| 338 | metadata_grid.Add(beam_label, (y,1), (1,1)) |
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| 339 | beam_input = VectorInput(metadata_pane, "detector_beam_center", |
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| 340 | callback=self.metadata_changed) |
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| 341 | self.to_validate.append(beam_input) |
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| 342 | metadata_grid.Add(beam_input.GetSizer(), (y,2), (1,1), wx.BOTTOM, 5) |
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| 343 | y += 1 |
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| 344 | |
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| 345 | slit_label = wx.StaticText(metadata_pane, -1, "Slit Length (mm): ") |
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| 346 | metadata_grid.Add(slit_label, (y,1), (1,1)) |
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| 347 | slit_input = wx.TextCtrl(metadata_pane, -1, size=(50,-1), |
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| 348 | name="detector_slit_length") |
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| 349 | self.to_validate.append(slit_input) |
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| 350 | slit_input.Bind(wx.EVT_TEXT, self.metadata_changed) |
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| 351 | metadata_grid.Add(slit_input, (y,2), (1,1), wx.BOTTOM, 5) |
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| 352 | |
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| 353 | metadata_pane.SetSizer(metadata_grid) |
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| 354 | |
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| 355 | vbox.Add(metadata_section, proportion=0, flag=wx.ALL, border=5) |
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| 356 | |
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| 357 | vbox.Fit(self) |
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| 358 | self.SetSizer(vbox) |
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| 359 | |
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| 360 | class ConverterWindow(widget.CHILD_FRAME): |
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| 361 | |
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| 362 | def __init__(self, parent=None, title='File Converter', base=None, |
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| 363 | manager=None, size=(PANEL_SIZE * 1.05, PANEL_SIZE / 1.55), |
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| 364 | *args, **kwargs): |
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| 365 | kwargs['title'] = title |
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| 366 | kwargs['size'] = size |
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| 367 | widget.CHILD_FRAME.__init__(self, parent, *args, **kwargs) |
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| 368 | |
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| 369 | self.manager = manager |
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| 370 | self.panel = ConverterPanel(self, base=None) |
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| 371 | self.Bind(wx.EVT_CLOSE, self.on_close) |
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| 372 | self.SetPosition((wx.LEFT, PANEL_TOP)) |
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| 373 | self.Show(True) |
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| 374 | |
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| 375 | def on_close(self, event): |
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| 376 | if self.manager is not None: |
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| 377 | self.manager.converter_frame = None |
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| 378 | self.Destroy() |
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