18 |
FIELDTYPE_STRING |
FIELDTYPE_STRING |
19 |
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20 |
from Thuban.Model.color import Color |
from Thuban.Model.color import Color |
21 |
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from Thuban.Model.range import Range |
22 |
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23 |
import classifier |
import classifier, resource |
24 |
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25 |
import resource |
from Thuban.Model.classgen import ClassGenerator, \ |
26 |
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CustomRamp, GreyRamp, RedRamp, GreenRamp, BlueRamp, GreenToRedRamp, \ |
27 |
from Thuban.common import Str2Num |
HotToColdRamp |
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ID_CLASSGEN_GEN = 4001 |
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ID_CLASSGEN_CLOSE = 4002 |
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ID_CLASSGEN_GENCOMBO = 4007 |
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ID_CLASSGEN_PROPCOMBO = 4008 |
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28 |
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29 |
USEALL_BMP = "group_use_all" |
USEALL_BMP = "group_use_all" |
30 |
USE_BMP = "group_use" |
USE_BMP = "group_use" |
33 |
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34 |
GENCOMBOSTR_UNIFORM = _("Uniform Distribution") |
GENCOMBOSTR_UNIFORM = _("Uniform Distribution") |
35 |
GENCOMBOSTR_UNIQUE = _("Unique Values") |
GENCOMBOSTR_UNIQUE = _("Unique Values") |
36 |
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GENCOMBOSTR_QUANTILES = _("Quantiles from Table") |
37 |
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38 |
PROPCOMBOSTR_CUSTOM = _("Custom Ramp") |
PROPCOMBOSTR_CUSTOM = _("Custom Ramp") |
39 |
PROPCOMBOSTR_GREY = _("Grey Ramp") |
PROPCOMBOSTR_GREY = _("Grey Ramp") |
40 |
PROPCOMBOSTR_RED = _("Red Ramp") |
PROPCOMBOSTR_RED = _("Red Ramp") |
41 |
PROPCOMBOSTR_GREEN = _("Green Ramp") |
PROPCOMBOSTR_GREEN = _("Green Ramp") |
42 |
PROPCOMBOSTR_BLUE = _("Blue Ramp") |
PROPCOMBOSTR_BLUE = _("Blue Ramp") |
43 |
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PROPCOMBOSTR_GREEN2RED = _("Green-to-Red Ramp") |
44 |
PROPCOMBOSTR_HOT2COLD = _("Hot-to-Cold Ramp") |
PROPCOMBOSTR_HOT2COLD = _("Hot-to-Cold Ramp") |
45 |
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46 |
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ID_CLASSGEN_GENCOMBO = 4007 |
47 |
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ID_CLASSGEN_PROPCOMBO = 4008 |
48 |
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49 |
class ClassGenDialog(wxDialog): |
class ClassGenDialog(wxDialog): |
50 |
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51 |
def __init__(self, parent, layer, fieldName): |
def __init__(self, parent, layer, fieldName): |
52 |
"""Inialize the class generating dialog. |
"""Inialize the class generating dialog. |
53 |
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56 |
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57 |
wxDialog.__init__(self, parent, -1, _("Generate Classification"), |
wxDialog.__init__(self, parent, -1, _("Generate Classification"), |
58 |
style = wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER) |
style = wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER) |
59 |
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60 |
self.parent = parent |
self.parent = parent |
61 |
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self.layer = layer |
62 |
self.clazz = None |
self.clazz = None |
63 |
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64 |
self.type, name, width, prec = layer.table.field_info_by_name(fieldName) |
col = layer.table.Column(fieldName) |
65 |
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self.type = col.type |
66 |
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67 |
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self.fieldName = fieldName |
68 |
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self.fieldType = self.type |
69 |
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70 |
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self.curGenPanel = None |
71 |
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72 |
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self.genpanels = [] |
73 |
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74 |
############# |
############# |
75 |
# we need to create genButton first because when we create the |
# we need to create genButton first because when we create the |
76 |
# panels they will call AllowGenerate() which uses genButton. |
# panels they will call AllowGenerate() which uses genButton. |
77 |
# |
# |
78 |
buttonSizer = wxBoxSizer(wxHORIZONTAL) |
self.genButton = wxButton(self, wxID_OK, _("Generate")) |
79 |
self.genButton = wxButton(self, ID_CLASSGEN_GEN, _("Generate")) |
self.genButton.SetDefault() |
80 |
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self.genChoice = wxChoice(self, ID_CLASSGEN_GENCOMBO) |
81 |
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82 |
buttonSizer.Add(self.genButton, 0, wxALL, 4) |
self.genpanels.append((GENCOMBOSTR_UNIQUE, GenUniquePanel)) |
83 |
buttonSizer.Add(60, 20, 0, wxALL, 4) |
if self.type in (FIELDTYPE_INT, FIELDTYPE_DOUBLE): |
84 |
buttonSizer.Add(wxButton(self, ID_CLASSGEN_CLOSE, _("Close")), |
self.genpanels.append((GENCOMBOSTR_UNIFORM, GenUniformPanel)) |
85 |
0, wxALL, 4) |
self.genpanels.append((GENCOMBOSTR_QUANTILES, GenQuantilesPanel)) |
86 |
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87 |
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for name, clazz in self.genpanels: |
88 |
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self.genChoice.Append(name, [clazz, None]) |
89 |
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90 |
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self.genChoice.SetSelection(0) |
91 |
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92 |
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self.propPanel = None |
93 |
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custom_ramp_panel = CustomRampPanel(self, layer.ShapeType()) |
94 |
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95 |
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self.propCombo = wxChoice(self, ID_CLASSGEN_PROPCOMBO) |
96 |
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self.propCombo.Append(PROPCOMBOSTR_GREY, GreyRamp()) |
97 |
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self.propCombo.Append(PROPCOMBOSTR_RED, RedRamp()) |
98 |
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self.propCombo.Append(PROPCOMBOSTR_GREEN, GreenRamp()) |
99 |
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self.propCombo.Append(PROPCOMBOSTR_BLUE, BlueRamp()) |
100 |
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self.propCombo.Append(PROPCOMBOSTR_GREEN2RED, GreenToRedRamp()) |
101 |
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self.propCombo.Append(PROPCOMBOSTR_HOT2COLD, HotToColdRamp()) |
102 |
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self.propCombo.Append(PROPCOMBOSTR_CUSTOM, custom_ramp_panel) |
103 |
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104 |
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self.propCombo.SetSelection(0) |
105 |
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106 |
############# |
############# |
107 |
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117 |
psizer = wxBoxSizer(wxHORIZONTAL) |
psizer = wxBoxSizer(wxHORIZONTAL) |
118 |
psizer.Add(wxStaticText(self, -1, _("Generate:")), |
psizer.Add(wxStaticText(self, -1, _("Generate:")), |
119 |
0, wxALIGN_CENTER_VERTICAL, 0) |
0, wxALIGN_CENTER_VERTICAL, 0) |
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self.genChoice = wxChoice(self, ID_CLASSGEN_GENCOMBO) |
|
120 |
psizer.Add(self.genChoice, 1, wxALL | wxGROW, 4) |
psizer.Add(self.genChoice, 1, wxALL | wxGROW, 4) |
|
EVT_CHOICE(self, ID_CLASSGEN_GENCOMBO, self._OnGenTypeSelect) |
|
121 |
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|
122 |
sizer.Add(psizer, 0, wxALL | wxGROW, 4) |
sizer.Add(psizer, 0, wxALL | wxGROW, 4) |
123 |
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|
124 |
############# |
self.sizer_genPanel = wxBoxSizer(wxVERTICAL) |
125 |
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sizer.Add(self.sizer_genPanel, 1, wxGROW | wxALL, 4) |
|
self.genPanel = None |
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panel = GenUniquePanel(self, layer, fieldName, self.type) |
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self.genChoice.Append(GENCOMBOSTR_UNIQUE, panel) |
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sizer.Add(panel, 1, wxGROW | wxALL, 4) |
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self.genPanel = panel |
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if self.type in (FIELDTYPE_INT, FIELDTYPE_DOUBLE): |
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panel = GenUniformPanel(self, layer, fieldName, self.type) |
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self.genChoice.Append(GENCOMBOSTR_UNIFORM, panel) |
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sizer.Add(panel, 1, wxGROW | wxALL, 4) |
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sizer.Show(panel, False) |
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self.genChoice.SetSelection(0) |
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############# |
|
126 |
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|
127 |
psizer = wxBoxSizer(wxHORIZONTAL) |
psizer = wxBoxSizer(wxHORIZONTAL) |
128 |
psizer.Add(wxStaticText(self, -1, _("Color Scheme:")), |
psizer.Add(wxStaticText(self, -1, _("Color Scheme:")), |
129 |
0, wxALIGN_CENTER_VERTICAL, 0) |
0, wxALIGN_CENTER_VERTICAL, 0) |
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self.propCombo = wxChoice(self, ID_CLASSGEN_PROPCOMBO) |
|
130 |
psizer.Add(self.propCombo, 1, wxALL | wxGROW, 4) |
psizer.Add(self.propCombo, 1, wxALL | wxGROW, 4) |
|
EVT_CHOICE(self, ID_CLASSGEN_PROPCOMBO, self._OnPropTypeSelect) |
|
131 |
sizer.Add(psizer, 0, wxALL | wxGROW, 4) |
sizer.Add(psizer, 0, wxALL | wxGROW, 4) |
132 |
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|
133 |
############# |
sizer.Add(custom_ramp_panel, 1, wxGROW | wxALL, 4) |
134 |
|
sizer.Show(custom_ramp_panel, False) |
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self.propPanel = None |
|
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panel = CustomRampPanel(self, layer.ShapeType()) |
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sizer.Add(panel, 1, wxALL | wxGROW, 4) |
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sizer.Show(panel, False) |
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self.propCombo.Append(PROPCOMBOSTR_GREY, GreyRamp()) |
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self.propCombo.Append(PROPCOMBOSTR_RED, RedRamp()) |
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self.propCombo.Append(PROPCOMBOSTR_GREEN, GreenRamp()) |
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self.propCombo.Append(PROPCOMBOSTR_BLUE, BlueRamp()) |
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self.propCombo.Append(PROPCOMBOSTR_HOT2COLD, HotToColdRamp()) |
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self.propCombo.Append(PROPCOMBOSTR_CUSTOM, panel) |
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self.propCombo.SetSelection(0) |
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|
############# |
|
135 |
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|
136 |
|
buttonSizer = wxBoxSizer(wxHORIZONTAL) |
137 |
|
buttonSizer.Add(self.genButton, 0, wxALL, 4) |
138 |
|
buttonSizer.Add(60, 20, 0, wxALL, 4) |
139 |
|
buttonSizer.Add(wxButton(self, wxID_CANCEL, _("Close")), |
140 |
|
0, wxALL, 4) |
141 |
sizer.Add(buttonSizer, 0, |
sizer.Add(buttonSizer, 0, |
142 |
wxALL | wxALIGN_BOTTOM | wxALIGN_CENTER_HORIZONTAL, 4) |
wxALL | wxALIGN_BOTTOM | wxALIGN_CENTER_HORIZONTAL, 4) |
143 |
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|
144 |
self.SetSizer(sizer) |
self.SetSizer(sizer) |
145 |
self.SetAutoLayout(True) |
self.SetAutoLayout(True) |
146 |
sizer.SetSizeHints(self) |
sizer.SetSizeHints(self) |
147 |
|
|
148 |
self.sizer = sizer |
self.topBox = sizer |
149 |
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|
150 |
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self.__DoOnGenTypeSelect() |
151 |
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|
152 |
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EVT_CHOICE(self, ID_CLASSGEN_GENCOMBO, self._OnGenTypeSelect) |
153 |
|
EVT_CHOICE(self, ID_CLASSGEN_PROPCOMBO, self._OnPropTypeSelect) |
154 |
|
EVT_BUTTON(self, wxID_OK, self.OnOK) |
155 |
|
EVT_BUTTON(self, wxID_CANCEL, self.OnCancel) |
156 |
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|
157 |
|
self.__DoOnGenTypeSelect() |
158 |
|
|
159 |
EVT_BUTTON(self, ID_CLASSGEN_GEN, self._OnGenerate) |
self.genChoice.SetFocus() |
|
EVT_BUTTON(self, ID_CLASSGEN_CLOSE, self._OnCloseBtn) |
|
160 |
|
|
161 |
def GetClassification(self): |
def GetClassification(self): |
162 |
return self.clazz |
return self.clazz |
164 |
def AllowGenerate(self, on): |
def AllowGenerate(self, on): |
165 |
pass #self.genButton.Enable(on) |
pass #self.genButton.Enable(on) |
166 |
|
|
167 |
def _OnGenerate(self, event): |
def OnOK(self, event): |
168 |
|
"""This is really the generate button, but we want to override |
169 |
|
the wxDialog class. |
170 |
|
""" |
171 |
|
|
172 |
index = self.genChoice.GetSelection() |
index = self.genChoice.GetSelection() |
173 |
|
|
174 |
|
assert index != -1, "button should be disabled!" |
175 |
|
|
176 |
genSel = self.genChoice.GetString(index) |
genSel = self.genChoice.GetString(index) |
177 |
genPanel = self.genChoice.GetClientData(index) |
clazz, genPanel = self.genChoice.GetClientData(index) |
178 |
|
|
179 |
propPanel = self.propPanel |
propPanel = self.propPanel |
180 |
|
|
181 |
if genSel in (GENCOMBOSTR_UNIFORM, GENCOMBOSTR_UNIQUE): |
if genSel in (GENCOMBOSTR_UNIFORM, \ |
182 |
|
GENCOMBOSTR_UNIQUE, \ |
183 |
|
GENCOMBOSTR_QUANTILES): |
184 |
|
|
185 |
numGroups = genPanel.GetNumGroups() |
numGroups = genPanel.GetNumGroups() |
186 |
|
|
187 |
index = self.propCombo.GetSelection() |
index = self.propCombo.GetSelection() |
218 |
|
|
219 |
self.parent._SetClassification(self.clazz) |
self.parent._SetClassification(self.clazz) |
220 |
|
|
221 |
def _OnCloseBtn(self, event): |
elif genSel == GENCOMBOSTR_QUANTILES: |
222 |
|
|
223 |
|
_range = genPanel.GetRange() |
224 |
|
_list = genPanel.GetList() |
225 |
|
_list.sort() |
226 |
|
|
227 |
|
delta = 1 / float(numGroups) |
228 |
|
percents = [delta * i for i in range(1, numGroups + 1)] |
229 |
|
adjusted, self.clazz = \ |
230 |
|
ClassGenerator().GenQuantiles(_list, percents, ramp, _range) |
231 |
|
|
232 |
|
if adjusted: |
233 |
|
dlg = wxMessageDialog(self, |
234 |
|
_("Based on the data from the table and the input\n" + |
235 |
|
"values, the exact quantiles could not be generated.\n\n" + |
236 |
|
"Accept a close estimate?"), |
237 |
|
_("Problem with Quantiles"), |
238 |
|
|
239 |
|
wxYES_NO|wxYES_DEFAULT|wxICON_QUESTION) |
240 |
|
if dlg.ShowModal() == wxID_YES: |
241 |
|
self.parent._SetClassification(self.clazz) |
242 |
|
else: |
243 |
|
self.parent._SetClassification(self.clazz) |
244 |
|
|
245 |
|
def OnCancel(self, event): |
246 |
self.Close() |
self.Close() |
247 |
|
|
248 |
def _OnGenTypeSelect(self, event): |
def _OnGenTypeSelect(self, event): |
249 |
|
self.__DoOnGenTypeSelect() |
250 |
|
return |
251 |
|
|
252 |
combo = event.GetEventObject() |
combo = event.GetEventObject() |
253 |
|
|
254 |
selIndex = combo.GetSelection() |
selIndex = combo.GetSelection() |
255 |
|
|
256 |
if self.genPanel is not None: |
if self.genPanel is not None: |
257 |
self.sizer.Show(self.genPanel, False) |
self.topBox.Show(self.genPanel, False) |
258 |
|
|
259 |
self.genPanel = combo.GetClientData(selIndex) |
self.genPanel = combo.GetClientData(selIndex) |
260 |
if self.genPanel is not None: |
if self.genPanel is not None: |
261 |
self.sizer.Show(self.genPanel, True) |
self.topBox.Show(self.genPanel, True) |
262 |
|
|
263 |
self.sizer.SetSizeHints(self) |
self.topBox.SetSizeHints(self) |
264 |
self.sizer.Layout() |
self.topBox.Layout() |
265 |
|
|
266 |
def _OnPropTypeSelect(self, event): |
def _OnPropTypeSelect(self, event): |
267 |
combo = event.GetEventObject() |
combo = event.GetEventObject() |
270 |
sel = combo.GetString(selIndex) |
sel = combo.GetString(selIndex) |
271 |
|
|
272 |
if isinstance(self.propPanel, wxPanel): |
if isinstance(self.propPanel, wxPanel): |
273 |
self.sizer.Show(self.propPanel, False) |
self.topBox.Show(self.propPanel, False) |
274 |
|
|
275 |
self.propPanel = combo.GetClientData(selIndex) |
self.propPanel = combo.GetClientData(selIndex) |
276 |
|
|
277 |
if isinstance(self.propPanel, wxPanel): |
if isinstance(self.propPanel, wxPanel): |
278 |
self.sizer.Show(self.propPanel, True) |
self.topBox.Show(self.propPanel, True) |
279 |
|
|
280 |
self.sizer.SetSizeHints(self) |
self.topBox.SetSizeHints(self) |
281 |
self.sizer.Layout() |
self.topBox.Layout() |
282 |
|
|
283 |
|
def __DoOnGenTypeSelect(self): |
284 |
|
choice = self.genChoice |
285 |
|
|
286 |
|
sel = choice.GetSelection() |
287 |
|
if sel == -1: return |
288 |
|
|
289 |
|
clazz, obj = choice.GetClientData(sel) |
290 |
|
|
291 |
|
if obj is None: |
292 |
|
obj = clazz(self, self.layer, self.fieldName, self.fieldType) |
293 |
|
choice.SetClientData(sel, [clazz, obj]) |
294 |
|
|
295 |
|
if self.curGenPanel is not None: |
296 |
|
self.curGenPanel.Hide() |
297 |
|
self.sizer_genPanel.Remove(self.curGenPanel) |
298 |
|
|
299 |
|
self.curGenPanel = obj |
300 |
|
self.curGenPanel.Show() |
301 |
|
|
302 |
|
self.sizer_genPanel.Add(self.curGenPanel, 1, |
303 |
|
wxALL|wxEXPAND|wxADJUST_MINSIZE, 3) |
304 |
|
self.sizer_genPanel.Layout() |
305 |
|
self.Layout() |
306 |
|
self.topBox.SetSizeHints(self) |
307 |
|
|
308 |
ID_UNIFORM_MIN = 4001 |
ID_UNIFORM_MIN = 4001 |
309 |
ID_UNIFORM_MAX = 4002 |
ID_UNIFORM_MAX = 4002 |
499 |
def _OnRetrieve(self, event): |
def _OnRetrieve(self, event): |
500 |
|
|
501 |
if self.layer.table is not None: |
if self.layer.table is not None: |
502 |
range = self.layer.table.field_range(self.fieldName) |
wxBeginBusyCursor() |
503 |
self.minCtrl.SetValue(str(range[0][0])) |
min, max = self.layer.table.ValueRange(self.fieldName) |
504 |
self.maxCtrl.SetValue(str(range[1][0])) |
self.minCtrl.SetValue(str(min)) |
505 |
|
self.maxCtrl.SetValue(str(max)) |
506 |
|
wxEndBusyCursor() |
507 |
|
|
508 |
def __GetValidatedTypeEntry(self, win, value, type, badValue = None): |
def __GetValidatedTypeEntry(self, win, value, type, badValue = None): |
509 |
|
|
545 |
return valid |
return valid |
546 |
|
|
547 |
def __CalcStepping(self, min, max, ngroups): |
def __CalcStepping(self, min, max, ngroups): |
548 |
step = Str2Num(str((max - min) / float(ngroups))) |
step = (max - min) / float(ngroups) |
549 |
if self.fieldType == FIELDTYPE_INT: |
if self.fieldType == FIELDTYPE_INT: |
550 |
step = int(step) |
step = int(step) |
551 |
|
|
666 |
|
|
667 |
self.parent.AllowGenerate(False) |
self.parent.AllowGenerate(False) |
668 |
|
|
|
self.mylist = ["Hallo", "Welt!", "Wie", "geht", "es", "dir", "?"] |
|
|
|
|
669 |
def GetNumGroups(self): |
def GetNumGroups(self): |
670 |
return self.list_use.GetItemCount() |
return self.list_use.GetItemCount() |
671 |
|
|
705 |
self.list_avail.DeleteAllItems() |
self.list_avail.DeleteAllItems() |
706 |
self.list_avail_data = [] |
self.list_avail_data = [] |
707 |
|
|
708 |
list = self.layer.table.GetUniqueValues(self.fieldName) |
list = self.layer.table.UniqueValues(self.fieldName) |
709 |
index = 0 |
index = 0 |
710 |
for v in list: |
for v in list: |
711 |
self.dataList.append(v) |
self.dataList.append(v) |
760 |
# list.SetColumnWidth(0, event.GetSize().GetWidth()) |
# list.SetColumnWidth(0, event.GetSize().GetWidth()) |
761 |
# |
# |
762 |
|
|
763 |
|
ID_QUANTILES_RANGE = 4001 |
764 |
|
ID_QUANTILES_RETRIEVE = 4002 |
765 |
|
|
766 |
|
class GenQuantilesPanel(wxPanel): |
767 |
|
|
768 |
|
def __init__(self, parent, layer, fieldName, fieldType): |
769 |
|
wxPanel.__init__(self, parent, -1) |
770 |
|
|
771 |
|
self.parent = parent |
772 |
|
self.layer = layer |
773 |
|
self.fieldName = fieldName |
774 |
|
self.fieldType = fieldType |
775 |
|
|
776 |
|
topBox = wxStaticBoxSizer(wxStaticBox(self, -1, ""), |
777 |
|
wxVERTICAL) |
778 |
|
|
779 |
|
self.text_range = wxTextCtrl(self, ID_QUANTILES_RANGE, "") |
780 |
|
self.button_retrieve = wxButton(self, ID_QUANTILES_RETRIEVE, |
781 |
|
_("Retrieve from Table")) |
782 |
|
|
783 |
|
self.spin_numClasses = wxSpinCtrl(self, -1, style=wxTE_RIGHT) |
784 |
|
self.spin_numClasses.SetRange(1, sys.maxint) |
785 |
|
self.spin_numClasses.SetValue(1) |
786 |
|
|
787 |
|
|
788 |
|
sizer = wxBoxSizer(wxHORIZONTAL) |
789 |
|
sizer.Add(wxStaticText(self, -1, _("Apply to Range")), 0, wxALL, 4) |
790 |
|
sizer.Add(self.text_range, 1, wxALL, 4) |
791 |
|
sizer.Add(self.button_retrieve, 0, wxALL, 4) |
792 |
|
|
793 |
|
topBox.Add(sizer, 0, wxEXPAND, 0) |
794 |
|
|
795 |
|
sizer = wxBoxSizer(wxHORIZONTAL) |
796 |
|
sizer.Add(wxStaticText(self, -1, _("Number of Classes:")), 0, wxALL, 4) |
797 |
|
sizer.Add(self.spin_numClasses, 1, wxALL, 4) |
798 |
|
|
799 |
|
topBox.Add(sizer, 0, wxEXPAND, 0) |
800 |
|
|
801 |
|
self.SetSizer(topBox) |
802 |
|
self.SetAutoLayout(True) |
803 |
|
topBox.Fit(self) |
804 |
|
topBox.SetSizeHints(self) |
805 |
|
|
806 |
|
EVT_TEXT(self, ID_QUANTILES_RANGE, self.OnRangeText) |
807 |
|
EVT_BUTTON(self, ID_QUANTILES_RETRIEVE, self.OnRetrieve) |
808 |
|
|
809 |
|
self.__range = None |
810 |
|
|
811 |
|
def GetNumGroups(self): |
812 |
|
return self.spin_numClasses.GetValue() |
813 |
|
|
814 |
|
def GetRange(self): |
815 |
|
assert self.__range is not None |
816 |
|
|
817 |
|
return self.__range |
818 |
|
|
819 |
|
def GetList(self): |
820 |
|
|
821 |
|
if self.layer.table is not None: |
822 |
|
wxBeginBusyCursor() |
823 |
|
_list = self.layer.table.UniqueValues(self.fieldName) |
824 |
|
wxEndBusyCursor() |
825 |
|
return _list |
826 |
|
|
827 |
|
return [] |
828 |
|
|
829 |
|
def OnRangeText(self, event): |
830 |
|
|
831 |
|
try: |
832 |
|
self.__range = Range(self.text_range.GetValue()) |
833 |
|
except ValueError: |
834 |
|
self.__range = None |
835 |
|
|
836 |
|
if self.__range is not None: |
837 |
|
self.text_range.SetForegroundColour(wxBLACK) |
838 |
|
else: |
839 |
|
self.text_range.SetForegroundColour(wxRED) |
840 |
|
|
841 |
|
def OnRetrieve(self, event): |
842 |
|
|
843 |
|
if self.layer.table is not None: |
844 |
|
wxBeginBusyCursor() |
845 |
|
min, max = self.layer.table.ValueRange(self.fieldName) |
846 |
|
self.text_range.SetValue("[" + str(min) + ";" + str(max) + "]") |
847 |
|
wxEndBusyCursor() |
848 |
|
|
849 |
ID_CUSTOMRAMP_COPYSTART = 4001 |
ID_CUSTOMRAMP_COPYSTART = 4001 |
850 |
ID_CUSTOMRAMP_COPYEND = 4002 |
ID_CUSTOMRAMP_COPYEND = 4002 |
851 |
ID_CUSTOMRAMP_EDITSTART = 4003 |
ID_CUSTOMRAMP_EDITSTART = 4003 |
934 |
def _OnEditEnd(self, event): |
def _OnEditEnd(self, event): |
935 |
self.endPropCtrl.DoEdit() |
self.endPropCtrl.DoEdit() |
936 |
|
|
937 |
class ClassGenerator: |
|
|
|
|
|
def GenSingletonsFromList(self, list, numGroups, ramp): |
|
|
"""Generate a new classification consisting solely of singletons. |
|
|
|
|
|
The resulting classification will consist of at most 'numGroups' |
|
|
groups whose group properties ramp between 'prop1' and 'prop2'. There |
|
|
could be fewer groups if 'list' contains fewer that 'numGroups' items. |
|
|
|
|
|
list -- any object that implements the iterator interface |
|
|
|
|
|
numGroups -- how many groups to generate. This can not be |
|
|
determined while the classification is being |
|
|
generated because the stepping values must |
|
|
be precalculated to ramp between prop1 and prop2. |
|
|
|
|
|
prop1 -- initial group property values |
|
|
|
|
|
prop2 -- final group property values |
|
|
""" |
|
|
|
|
|
clazz = Classification() |
|
|
if numGroups == 0: return clazz |
|
|
|
|
|
ramp.SetNumGroups(numGroups) |
|
|
|
|
|
for value, prop in zip(list, ramp): |
|
|
clazz.AppendGroup(ClassGroupSingleton(value, prop)) |
|
|
|
|
|
return clazz |
|
|
|
|
|
def GenSingletons(self, min, max, numGroups, ramp): |
|
|
|
|
|
clazz = Classification() |
|
|
|
|
|
#step = int((max - min) / float(numGroups)) |
|
|
step = int(Str2Num(str((max - min + 1) / float(numGroups)))) |
|
|
|
|
|
if numGroups > 0: |
|
|
cur_value = min |
|
|
|
|
|
ramp.SetNumGroups(numGroups) |
|
|
|
|
|
for prop in ramp: |
|
|
clazz.AppendGroup( |
|
|
ClassGroupSingleton( |
|
|
Str2Num(str(cur_value)), |
|
|
prop)) |
|
|
cur_value += step |
|
|
|
|
|
return clazz |
|
|
|
|
|
def GenUnifromDistribution(self, min, max, numGroups, |
|
|
ramp, intStep = False): |
|
|
"""Generate a classification with numGroups range groups |
|
|
each with the same interval. |
|
|
|
|
|
intStep -- force the calculated stepping to an integer. |
|
|
Useful if the values are integers but the |
|
|
number of groups specified doesn't evenly |
|
|
divide (max - min). |
|
|
""" |
|
|
|
|
|
clazz = Classification() |
|
|
if numGroups == 0: return clazz |
|
|
|
|
|
ramp.SetNumGroups(numGroups) |
|
|
|
|
|
step = Str2Num(str((max - min) / float(numGroups))) |
|
|
|
|
|
if intStep: |
|
|
step = int(step) |
|
|
|
|
|
cur_min = min |
|
|
cur_max = cur_min + step |
|
|
|
|
|
i = 0 |
|
|
for prop in ramp: |
|
|
|
|
|
if i == (numGroups - 1): |
|
|
cur_max = max |
|
|
|
|
|
# this check guards against rounding issues |
|
|
if cur_min != cur_max: |
|
|
clazz.AppendGroup( |
|
|
ClassGroupRange( |
|
|
Str2Num(str(cur_min)), |
|
|
Str2Num(str(cur_max)), |
|
|
prop)) |
|
|
|
|
|
cur_min = cur_max |
|
|
cur_max += step |
|
|
i += 1 |
|
|
|
|
|
return clazz |
|
|
|
|
|
CLR = 0 |
|
|
STEP = 1 |
|
|
class CustomRamp: |
|
|
|
|
|
def __init__(self, prop1, prop2): |
|
|
self.prop1 = prop1 |
|
|
self.prop2 = prop2 |
|
|
|
|
|
self.count = 0 |
|
|
|
|
|
def __iter__(self): |
|
|
return self |
|
|
|
|
|
def GetRamp(self): |
|
|
return self |
|
|
|
|
|
def SetNumGroups(self, num): |
|
|
|
|
|
if num <= 0: |
|
|
return False |
|
|
|
|
|
self.count = int(num) |
|
|
num = float(num) |
|
|
|
|
|
prop1 = self.prop1 |
|
|
prop2 = self.prop2 |
|
|
|
|
|
clr = prop1.GetLineColor() |
|
|
lineColor2 = prop2.GetLineColor() |
|
|
|
|
|
self.noLine = clr is not Color.Transparent \ |
|
|
and lineColor2 is not Color.Transparent |
|
|
|
|
|
|
|
|
self.lineInfo = self.__GetColorInfo(prop1.GetLineColor(), |
|
|
prop2.GetLineColor(), |
|
|
num) |
|
|
|
|
|
self.fillInfo = self.__GetColorInfo(prop1.GetFill(), |
|
|
prop2.GetFill(), |
|
|
num) |
|
|
|
|
|
self.lineWidth = prop1.GetLineWidth() |
|
|
self.lineWidthStep = (prop2.GetLineWidth() - self.lineWidth) / num |
|
|
|
|
|
return True |
|
|
|
|
|
def next(self): |
|
|
if self.count == 0: |
|
|
raise StopIteration |
|
|
|
|
|
prop = ClassGroupProperties() |
|
|
|
|
|
if self.lineInfo is None: |
|
|
prop.SetLineColor(Color.Transparent) |
|
|
else: |
|
|
prop.SetLineColor(Color(self.lineInfo[CLR][0] / 255, |
|
|
self.lineInfo[CLR][1] / 255, |
|
|
self.lineInfo[CLR][2] / 255)) |
|
|
|
|
|
self.lineInfo[CLR][0] += self.lineInfo[STEP][0] |
|
|
self.lineInfo[CLR][1] += self.lineInfo[STEP][1] |
|
|
self.lineInfo[CLR][2] += self.lineInfo[STEP][2] |
|
|
|
|
|
if self.fillInfo is None: |
|
|
prop.SetFill(Color.Transparent) |
|
|
else: |
|
|
prop.SetFill(Color(self.fillInfo[CLR][0] / 255, |
|
|
self.fillInfo[CLR][1] / 255, |
|
|
self.fillInfo[CLR][2] / 255)) |
|
|
|
|
|
self.fillInfo[CLR][0] += self.fillInfo[STEP][0] |
|
|
self.fillInfo[CLR][1] += self.fillInfo[STEP][1] |
|
|
self.fillInfo[CLR][2] += self.fillInfo[STEP][2] |
|
|
|
|
|
|
|
|
prop.SetLineWidth(int(self.lineWidth)) |
|
|
self.lineWidth += self.lineWidthStep |
|
|
|
|
|
self.count -= 1 |
|
|
|
|
|
return prop |
|
|
|
|
|
def __GetColorInfo(self, color1, color2, numGroups): |
|
|
|
|
|
if color1 is Color.Transparent and color2 is Color.Transparent: |
|
|
# |
|
|
# returning early |
|
|
# |
|
|
return None |
|
|
elif color1 is not Color.Transparent and color2 is Color.Transparent: |
|
|
color = [color1.red * 255, |
|
|
color1.green * 255, |
|
|
color1.blue * 255] |
|
|
step = (0, 0, 0) |
|
|
elif color1 is Color.Transparent and color2 is not Color.Transparent: |
|
|
color = [color2.red * 255, |
|
|
color2.green * 255, |
|
|
color2.blue * 255] |
|
|
step = (0, 0, 0) |
|
|
else: |
|
|
color = [color1.red * 255, |
|
|
color1.green * 255, |
|
|
color1.blue * 255] |
|
|
step = ((color2.red * 255 - color1.red * 255) / numGroups, |
|
|
(color2.green * 255 - color1.green * 255) / numGroups, |
|
|
(color2.blue * 255 - color1.blue * 255) / numGroups) |
|
|
|
|
|
|
|
|
return (color, step) |
|
|
|
|
|
class MonochromaticRamp(CustomRamp): |
|
|
def __init__(self, start, end): |
|
|
sp = ClassGroupProperties() |
|
|
sp.SetLineColor(start) |
|
|
sp.SetFill(start) |
|
|
|
|
|
ep = ClassGroupProperties() |
|
|
ep.SetLineColor(end) |
|
|
ep.SetFill(end) |
|
|
|
|
|
CustomRamp.__init__(self, sp, ep) |
|
|
|
|
|
class GreyRamp(MonochromaticRamp): |
|
|
def __init__(self): |
|
|
MonochromaticRamp.__init__(self, Color(1, 1, 1), Color(0, 0, 0)) |
|
|
|
|
|
class RedRamp(MonochromaticRamp): |
|
|
def __init__(self): |
|
|
MonochromaticRamp.__init__(self, Color(1, 1, 1), Color(.8, 0, 0)) |
|
|
|
|
|
class GreenRamp(MonochromaticRamp): |
|
|
def __init__(self): |
|
|
MonochromaticRamp.__init__(self, Color(1, 1, 1), Color(0, .8, 0)) |
|
|
|
|
|
class BlueRamp(MonochromaticRamp): |
|
|
def __init__(self): |
|
|
MonochromaticRamp.__init__(self, Color(1, 1, 1), Color(0, 0, .8)) |
|
|
|
|
|
class HotToColdRamp: |
|
|
|
|
|
def __iter__(self): |
|
|
return self |
|
|
|
|
|
def GetRamp(self): |
|
|
return self |
|
|
|
|
|
def SetNumGroups(self, num): |
|
|
if num < 0: |
|
|
return False |
|
|
|
|
|
self.num = float(num) |
|
|
self.index = 0 |
|
|
|
|
|
return True |
|
|
|
|
|
def next(self): |
|
|
if self.index == self.num: |
|
|
raise StopIteration |
|
|
|
|
|
clr = [1.0, 1.0, 1.0] |
|
|
|
|
|
if self.index < (.25 * self.num): |
|
|
clr[0] = 0 |
|
|
clr[1] = 4 * self.index / self.num |
|
|
elif self.index < (.5 * self.num): |
|
|
clr[0] = 0 |
|
|
clr[2] = 1 + 4 * (.25 * self.num - self.index) / self.num |
|
|
elif self.index < (.75 * self.num): |
|
|
clr[0] = 4 * (self.index - .5 * self.num) / self.num |
|
|
clr[2] = 0 |
|
|
else: |
|
|
clr[1] = 1 + 4 * (.75 * self.num - self.index) / self.num |
|
|
clr[2] = 0 |
|
|
|
|
|
self.index += 1 |
|
|
|
|
|
prop = ClassGroupProperties() |
|
|
prop.SetLineColor(Color(clr[0], clr[1], clr[2])) |
|
|
prop.SetFill(Color(clr[0], clr[1], clr[2])) |
|
|
|
|
|
return prop |
|
|
|
|
|
#class Colors16Ramp: |
|
|
# |
|
|
#def __iter__(self): |
|
|
#return self |
|
|
# |
|
|
#def GetRamp(self): |
|
|
#return self |
|
|
# |
|
|
#def SetNumGroups(self, num): |
|
|
#if num < 0: |
|
|
#return False |
|
|
# |
|
|
#self.index = 0 |
|
|
# |
|
|
#return True |
|
|
|
|
|
|
|