1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
|
# Copyright (C) 2003, 2005, 2006 by Intevation GmbH
# Authors:
# Bernhard Herzog <bh@intevation.de>
# Bernhard Reiter <bernhard@intevation.de>
#
# This program is free software under the GPL (>=v2)
# Read the file COPYING coming with the software for details.
"""Test Thuban.Model.baserenderer"""
__version__ = "$Revision: 2881 $"
# $Source$
# $Id: test_baserenderer.py 2881 2009-07-10 07:14:14Z dpinte $
import os
import binascii
import unittest
import locale
import localessupport
from mockgeo import SimpleShapeStore
import support
support.initthuban()
from Thuban.Model.color import Transparent, Color
from Thuban.Model.data import SHAPETYPE_ARC, SHAPETYPE_POLYGON, SHAPETYPE_POINT
from Thuban.Model.map import Map
from Thuban.Model.layer import BaseLayer, Layer, RasterLayer
from Thuban.Model.table import MemoryTable, \
FIELDTYPE_DOUBLE, FIELDTYPE_INT, FIELDTYPE_STRING
from Thuban.Model.classification import ClassGroupSingleton
import Thuban.Model.resource
from Thuban.UI.baserenderer import BaseRenderer, \
add_renderer_extension, init_renderer_extensions
if Thuban.Model.resource.has_gdal_support():
from gdalwarp import ProjectRasterFile
class MockDC:
def __init__(self, size = None):
self.calls = []
self.size = size
def GetSizeTuple(self):
return self.size
def __getattr__(self, attr):
def method(*args):
self.calls.append((attr,) + args)
return method
class P:
"""A simple point"""
def __init__(self, x, y):
self.x = x
self.y = y
def __eq__(self, other):
return self.x == other.x and self.y == other.y
def __ne__(self, other):
return self.x != other.x and self.y != other.y
def __repr__(self):
return "P(%r, %r)" % (self.x, self.y)
class SimpleRenderer(BaseRenderer):
TRANSPARENT_PEN = ("pen", Transparent)
TRANSPARENT_BRUSH = ("brush", Transparent)
def make_point(self, x, y):
return P(x, y)
def tools_for_property(self, prop):
fill = prop.GetFill()
brush = ("brush", fill)
stroke = prop.GetLineColor()
stroke_width = prop.GetLineWidth()
if stroke is Transparent:
pen = ("pen", Transparent)
else:
pen = ("pen", stroke, stroke_width)
return pen, brush
def label_font(self):
return "label font"
def draw_raster_data(self, x, y, data, format='BMP', opacity=1.0):
self.raster_data = data
self.raster_format = format
def projected_raster_layer(self, layer, srcProj, dstProj, extents,
resolution, dimensions, options):
if not Thuban.Model.resource.has_gdal_support():
raise support.SkipTest(Thuban.Model.resource.gdal_support_status)
#print srcProj, dstProj,extents, resolution, dimensions, options
return ProjectRasterFile(layer.GetImageFilename(),
srcProj, dstProj,
extents, resolution, dimensions,
options)
class MockProjection:
"""Objects that look like projections but simply apply non-uniform scalings
"""
def __init__(self, xscale, yscale):
self.xscale = float(xscale)
self.yscale = float(yscale)
def Forward(self, x, y):
return (x * self.xscale, y * self.yscale)
def Inverse(self, x, y):
return (x / self.xscale, y / self.yscale)
class TestBaseRenderer(unittest.TestCase):
def setUp(self):
"""Set self.to_destroy to an empty list
Tests should put all objects whose Destroy should be called at
the end into this list so that they're destroyed in tearDown.
"""
self.to_destroy = []
def tearDown(self):
for obj in self.to_destroy:
obj.Destroy()
def test_arc_no_projection(self):
"""Test BaseRenderer with arc layer and no projections"""
table = MemoryTable([("type", FIELDTYPE_STRING),
("value", FIELDTYPE_DOUBLE),
("code", FIELDTYPE_INT)],
[("UNKNOWN", 0.0, 0)])
shapes = [[[(0, 0), (10, 10)]]]
store = SimpleShapeStore(SHAPETYPE_ARC, shapes, table)
map = Map("TestBaseRenderer")
self.to_destroy.append(map)
layer = Layer("arc layer", store)
map.AddLayer(layer)
dc = MockDC()
renderer = SimpleRenderer(dc, map, 2, (10, 10))
renderer.render_map()
self.assertEquals(dc.calls,
[('BeginDrawing',),
('SetBrush', ('brush', Transparent)),
('SetPen', ('pen', Color(0, 0, 0), 1)),
('DrawLines', [P(10, 10), P(30, -10)]),
('SetFont', "label font"),
('EndDrawing',)])
def test_polygon_no_projection(self):
"""Test BaseRenderer with polygon layer and no projections"""
table = MemoryTable([("type", FIELDTYPE_STRING),
("value", FIELDTYPE_DOUBLE),
("code", FIELDTYPE_INT)],
[("UNKNOWN", 0.0, 0)])
shapes = [[[(0, 0), (10, 10), (10, 0), (0, 0)]]]
store = SimpleShapeStore(SHAPETYPE_POLYGON, shapes, table)
map = Map("TestBaseRenderer")
layer = Layer("polygon layer", store)
prop = layer.GetClassification().GetDefaultGroup().GetProperties()
prop.SetFill(Color(1, 1, 1))
map.AddLayer(layer)
self.to_destroy.append(map)
dc = MockDC()
renderer = SimpleRenderer(dc, map, 2, (10, 10))
renderer.render_map()
self.assertEquals(dc.calls,
[('BeginDrawing',),
('SetBrush', ('brush', Color(1, 1, 1))),
('SetPen', ('pen', Transparent)),
('DrawPolygon', [P(10, 10), P(30, -10), P(30, 10),
P(10, 10)]),
('SetBrush', ('brush', Transparent)),
('SetPen', ('pen', Color(0, 0, 0), 1)),
('DrawLines', [P(10, 10), P(30, -10), P(30, 10),
P(10, 10)]),
('SetFont', "label font"),
('EndDrawing',)])
def test_complex_polygon(self):
"""Test BaseRenderer with complex polygon and no projections"""
# A square inside a sqare. This has to be drawn with at least a
# draw polygon call and two draw lines calls.
shapes = [[[(0, 0), (0, 10), (10, 10), (10, 0), (0, 0)],
[(2, 2), (8, 2), (8, 8), (2, 8), (2, 2)]]]
table = MemoryTable([("type", FIELDTYPE_STRING),
("value", FIELDTYPE_DOUBLE),
("code", FIELDTYPE_INT)],
[("UNKNOWN", 0.0, 0)])
store = SimpleShapeStore(SHAPETYPE_POLYGON, shapes, table)
map = Map("TestBaseRenderer")
layer = Layer("polygon layer", store)
prop = layer.GetClassification().GetDefaultGroup().GetProperties()
prop.SetFill(Color(1, 1, 1))
map.AddLayer(layer)
self.to_destroy.append(map)
dc = MockDC()
renderer = SimpleRenderer(dc, map, 2, (10, 10))
renderer.render_map()
self.assertEquals(dc.calls,
[('BeginDrawing',),
('SetBrush', ('brush', Color(1, 1, 1))),
('SetPen', ('pen', Transparent)),
('DrawPolygon',
[P(10, 10), P(10, -10), P(30, -10), P(30, 10),
P(10, 10),
P(14, 6), P(26, 6), P(26, -6), P(14, -6),
P(14, 6),
P(10, 10)]),
('SetBrush', ('brush', Transparent)),
('SetPen', ('pen', Color(0, 0, 0), 1)),
('DrawLines', [P(10, 10), P(10, -10), P(30, -10),
P(30, 10), P(10, 10)]),
('DrawLines', [P(14, 6), P(26, 6), P(26, -6),
P(14, -6), P(14, 6)]),
('SetFont', "label font"),
('EndDrawing',)])
def test_point_no_projection(self):
"""Test BaseRenderer with point layer and no projections"""
table = MemoryTable([("type", FIELDTYPE_STRING),
("value", FIELDTYPE_DOUBLE),
("code", FIELDTYPE_INT)],
[("UNKNOWN", 0.0, 0),
("UNKNOWN", 0.0, 1)])
shapes = [[[(0, 0)]], [[(10, 10)]]]
store = SimpleShapeStore(SHAPETYPE_POINT, shapes, table)
map = Map("TestBaseRenderer")
layer = Layer("point layer", store)
map.AddLayer(layer)
self.to_destroy.append(map)
dc = MockDC()
renderer = SimpleRenderer(dc, map, 2, (10, 10))
renderer.render_map()
self.assertEquals(dc.calls,
[('BeginDrawing',),
('SetBrush', ('brush', Transparent)),
('SetPen', ('pen', Color(0, 0, 0), 1)),
('DrawEllipse', 5, 5, 10, 10),
('SetBrush', ('brush', Transparent)),
('SetPen', ('pen', Color(0, 0, 0), 1)),
('DrawEllipse', 25, -15, 10, 10),
('SetFont', "label font"),
('EndDrawing',)])
def test_projected_raster_layer(self):
if not Thuban.Model.resource.has_gdal_support():
raise support.SkipTest(Thuban.Model.resource.gdal_support_status)
layer = RasterLayer("raster layer",
os.path.join("..", "Data", "iceland",
"island.tif"))
dc = MockDC(size = (20, 20))
renderer = SimpleRenderer(dc, map, 34, (800, 2250))
# The reference data as a base64 coded RAW image
raw_data = binascii.a2b_base64(
'UmbmUmbmUmbmUmbmUmbmAtYCJooCAtICAq4CJooCArICAuICArICAuYCAs4COn4CO'
'n4CAq4CAuICFpICUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmAuYCAqICAqoCAqoCFp'
'ICJooCIo4CCpoCQnoGOn4CDpYCOn4CUmbmUmbmNo6aEpYCLoYCAqICGpICFpICUmb'
'mAt4CUmbmNo6aAtICArYCAqoCKoYCMoICTnYKOn4CFpICUmbmUmbmUmbmUmbmAp4C'
'NoICArYCAr4CCpoCAqYCCpoCEpYCHo4CFpICHo4CGpICFpICKoYCTnYKMoICAp4CU'
'mbmUmbmUmbmUmbmUmbmUmbmAtYCAroCArYCCpoCAtYCAroCAtICAsYCUmbmAt4CAq'
'YCAroCMoICAs4CAs4CAtYCAt4CAqYCUmbmUmbmUmbmUmbmAtoCAtYCAq4CAtoCBp4'
'CAroCAqoCAq4CAr4CDpYCGpICAt4CAsICDpYCArICCpoCHo4CAs4CAuICUmbmUmbm'
'UmbmUmbmUmbmUmbmAuICAqICFpYCAq4CDpoCAqYCFpICAqYCUmbmNo6aAsYCCpoCD'
'pYCAqICAtoCUmbmAt4CAqoCCpoCAroCHo4CAsYCAq4CAsICAs4CAp4CUmbmAtYCAq'
'YCIooCHo4CAsICAr4CAqICEpYCAs4CAqICArICDpYCEpYCEpYCAr4CUmbmEpYCAs4'
'CAtICAs4CAqYCUmbmAtoCAp4CCpoCDpYCAq4CArICAqoCAqYCAqYCAtYCAtoCDpYC'
'At4CUmbmUmbmUmbmUmbmAt4CAsoCAsoCAp4CAp4CCpoCAsoCAt4CNo6aUmbmUmbmU'
'mbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmAt4CAtYCCpoCAqICAroCAr4CUmbmUm'
'bmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmb'
'mUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbm'
'UmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmU'
'mbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUm'
'bmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmb'
'mUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbm'
'UmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmU'
'mbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUm'
'bmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmb'
'mUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbm'
'UmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbm\n')
raw_mask = binascii.a2b_base64(
'//8P//8P//8P//8P//8P//8P//8P//8P//8P//8P//8P//8P//8P//8P//8P/'
'/8P//8P//8P//8P//8P\n')
raw_mask_inverted = binascii.a2b_base64(
'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA'
'AAAAAAAAAAAAAAAAAAA\n')
raw_alpha = binascii.a2b_base64(
'/////////////////////////////////////////////////////////////'
'/////////////////////////////////////////////////////////////'
'/////////////////////////////////////////////////////////////'
'/////////////////////////////////////////////////////////////'
'/////////////////////////////////////////////////////////////'
'/////////////////////////////////////////////////////////////'
'/////////////////////////////////////////////////////////////'
'/////////////////////////////////////////////////////////////'
'/////////////////////////////////////////////w==\n')
for opts, data in [[1, (raw_data, raw_mask, None)],
[1|4, (raw_data, raw_mask_inverted, None)],
[2, (raw_data, None, raw_alpha)]]:
img_data = renderer.projected_raster_layer(layer, "", "",
(-24, 65, -23, 66), [0, 0], (20, 20), opts)
self.assertEquals(img_data, data)
def test_projected_raster_broken(self):
"""
Until using gdal 1.5, we could load more than one file with gdal
without problems. After 1.5 we had problems having this message in
the stdout when loading a second file with GDAL:
ERROR 4: `../Data/iceland/island.tif' not recognised as a
supported file format.
This was only after a call to ProjectRasterFile.
If this test passes without IOException, the problem will be solved.
"""
tiffile= os.path.join("..", "Data", "iceland",
"island.tif")
projection = "+proj=latlong +to_meter=0.017453 +ellps=clrk66"
new_projection = "+proj=utm +zone=27 +ellps=clrk66"
from osgeo.gdal import Open
t1 = RasterLayer("rast",tiffile)
v = ProjectRasterFile(tiffile,projection, new_projection, \
(322003.1320390497, 6964094.1718668584,\
876022.1891829354, 7460469.6276894147), \
[0, 0], (10,5), 1)
v =None
t2 = RasterLayer("rast3", tiffile)
def test_projected_raster_decimalcommalocale(self):
if not Thuban.Model.resource.has_gdal_support():
raise support.SkipTest(Thuban.Model.resource.gdal_support_status)
def _do_project_island():
"""Project island.tif and return result."""
layer = RasterLayer("raster layer",
os.path.join("..", "Data", "iceland",
"island.tif"))
dc = MockDC(size = (10, 5))
renderer = SimpleRenderer(dc, map, 34, (800, 2250))
projection = "+proj=latlong +to_meter=0.017453 +ellps=clrk66"
new_projection = "+proj=utm +zone=27 +ellps=clrk66"
return renderer.projected_raster_layer(layer, \
projection, new_projection, \
(322003.1320390497, 6964094.1718668584, 876022.1891829354, 7460469.6276894147), [0, 0], (10,5), 1)
oldlocale = localessupport.setdecimalcommalocale()
img_data2 = _do_project_island()
locale.setlocale(locale.LC_NUMERIC, oldlocale)
img_data1 = _do_project_island()
self.assertEquals(img_data1, img_data2)
def test_raster_no_projection(self):
"""Test BaseRenderer with raster layer and no projections
This test is very simple minded and perhaps can easily fail due
to round-off errors. It simply compares the complete BMP file
returned by gdalwarp.ProjectRasterFile to a BMP file data.
"""
if not Thuban.Model.resource.has_gdal_support():
raise support.SkipTest(Thuban.Model.resource.gdal_support_status)
map = Map("TestBaseRenderer")
layer = RasterLayer("raster layer",
os.path.join("..", "Data", "iceland",
"island.tif"))
layer.SetMaskType(layer.MASK_NONE)
map.AddLayer(layer)
self.to_destroy.append(map)
dc = MockDC(size = (20, 20))
renderer = SimpleRenderer(dc, map, 34, (800, 2250))
renderer.render_map()
# The following commented out code block can be used to generate
# the base64 coded reference image data
#hexed = binascii.b2a_base64(renderer.raster_data[2][0])
#while hexed:
#print repr(hexed[:65])
#hexed = hexed[65:]
# The reference data as a base64 coded RAW image
raw_data = binascii.a2b_base64(
'UmbmUmbmUmbmUmbmUmbmAtYCJooCAtICAq4CJooCArICAuICArICAuYCAs4COn4CO'
'n4CAq4CAuICFpICUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmAuYCAqICAqoCAqoCFp'
'ICJooCIo4CCpoCQnoGOn4CDpYCOn4CUmbmUmbmNo6aEpYCLoYCAqICGpICFpICUmb'
'mAt4CUmbmNo6aAtICArYCAqoCKoYCMoICTnYKOn4CFpICUmbmUmbmUmbmUmbmAp4C'
'NoICArYCAr4CCpoCAqYCCpoCEpYCHo4CFpICHo4CGpICFpICKoYCTnYKMoICAp4CU'
'mbmUmbmUmbmUmbmUmbmUmbmAtYCAroCArYCCpoCAtYCAroCAtICAsYCUmbmAt4CAq'
'YCAroCMoICAs4CAs4CAtYCAt4CAqYCUmbmUmbmUmbmUmbmAtoCAtYCAq4CAtoCBp4'
'CAroCAqoCAq4CAr4CDpYCGpICAt4CAsICDpYCArICCpoCHo4CAs4CAuICUmbmUmbm'
'UmbmUmbmUmbmUmbmAuICAqICFpYCAq4CDpoCAqYCFpICAqYCUmbmNo6aAsYCCpoCD'
'pYCAqICAtoCUmbmAt4CAqoCCpoCAroCHo4CAsYCAq4CAsICAs4CAp4CUmbmAtYCAq'
'YCIooCHo4CAsICAr4CAqICEpYCAs4CAqICArICDpYCEpYCEpYCAr4CUmbmEpYCAs4'
'CAtICAs4CAqYCUmbmAtoCAp4CCpoCDpYCAq4CArICAqoCAqYCAqYCAtYCAtoCDpYC'
'At4CUmbmUmbmUmbmUmbmAt4CAsoCAsoCAp4CAp4CCpoCAsoCAt4CNo6aUmbmUmbmU'
'mbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmAt4CAtYCCpoCAqICAroCAr4CUmbmUm'
'bmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmb'
'mUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbm'
'UmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmU'
'mbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUm'
'bmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmb'
'mUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbm'
'UmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmU'
'mbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUm'
'bmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmb'
'mUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbm'
'UmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbmUmbm\n')
self.assertEquals(renderer.raster_data,
(20,20,(raw_data, None, None)))
self.assertEquals(renderer.raster_format, "RAW")
self.assertEquals(dc.calls,
[('BeginDrawing',),
('SetFont', "label font"),
('EndDrawing',)])
def test_point_map_projection(self):
"""Test BaseRenderer with point layer and map projection"""
table = MemoryTable([("type", FIELDTYPE_STRING),
("value", FIELDTYPE_DOUBLE),
("code", FIELDTYPE_INT)],
[("UNKNOWN", 0.0, 0)])
shapes = [[[(10, 10)]]]
store = SimpleShapeStore(SHAPETYPE_POINT, shapes, table)
map = Map("TestBaseRenderer")
map.SetProjection(MockProjection(-3, 3))
layer = Layer("point layer", store)
map.AddLayer(layer)
self.to_destroy.append(map)
dc = MockDC()
renderer = SimpleRenderer(dc, map, 2, (10, 10))
renderer.render_map()
self.assertEquals(dc.calls,
[('BeginDrawing',),
('SetBrush', ('brush', Transparent)),
('SetPen', ('pen', Color(0, 0, 0), 1)),
('DrawEllipse', -55, -55, 10, 10),
('SetFont', "label font"),
('EndDrawing',)])
def test_point_layer_projection(self):
"""Test BaseRenderer with point layer and layer projection"""
table = MemoryTable([("type", FIELDTYPE_STRING),
("value", FIELDTYPE_DOUBLE),
("code", FIELDTYPE_INT)],
[("UNKNOWN", 0.0, 0)])
shapes = [[[(9, 9)]]]
store = SimpleShapeStore(SHAPETYPE_POINT, shapes, table)
map = Map("TestBaseRenderer")
layer = Layer("point layer", store)
layer.SetProjection(MockProjection(3, -3))
map.AddLayer(layer)
self.to_destroy.append(map)
dc = MockDC()
renderer = SimpleRenderer(dc, map, 2, (10, 10))
renderer.render_map()
self.assertEquals(dc.calls,
[('BeginDrawing',),
('SetBrush', ('brush', Transparent)),
('SetPen', ('pen', Color(0, 0, 0), 1)),
('DrawEllipse', 11, 11, 10, 10),
('SetFont', "label font"),
('EndDrawing',)])
def test_point_layer_and_map_projection(self):
"""Test BaseRenderer with point layer and layer and map projection"""
table = MemoryTable([("type", FIELDTYPE_STRING),
("value", FIELDTYPE_DOUBLE),
("code", FIELDTYPE_INT)],
[("UNKNOWN", 0.0, 0)])
shapes = [[[(9, 9)]]]
store = SimpleShapeStore(SHAPETYPE_POINT, shapes, table)
map = Map("TestBaseRenderer")
map.SetProjection(MockProjection(-3, 3))
layer = Layer("point layer", store)
layer.SetProjection(MockProjection(3, -3))
map.AddLayer(layer)
self.to_destroy.append(map)
dc = MockDC()
renderer = SimpleRenderer(dc, map, 2, (10, 10))
renderer.render_map()
self.assertEquals(dc.calls,
[('BeginDrawing',),
('SetBrush', ('brush', Transparent)),
('SetPen', ('pen', Color(0, 0, 0), 1)),
('DrawEllipse', -13, 23, 10, 10),
('SetFont', "label font"),
('EndDrawing',)])
def test_point_with_classification(self):
"""Test BaseRenderer with point layer and classification"""
table = MemoryTable([("type", FIELDTYPE_STRING),
("value", FIELDTYPE_DOUBLE),
("code", FIELDTYPE_INT)],
[("UNKNOWN", 0.0, 0),
("UNKNOWN", 0.0, 1)])
shapes = [[[(0, 0)]], [[(10, 10)]]]
store = SimpleShapeStore(SHAPETYPE_POINT, shapes, table)
map = Map("TestBaseRenderer")
layer = Layer("point layer", store)
group = ClassGroupSingleton(1)
group.GetProperties().SetFill(Color(0, 0, 1))
layer.GetClassification().AppendGroup(group)
layer.SetClassificationColumn("code")
map.AddLayer(layer)
self.to_destroy.append(map)
dc = MockDC()
renderer = SimpleRenderer(dc, map, 2, (10, 10))
renderer.render_map()
self.assertEquals(dc.calls,
[('BeginDrawing',),
('SetBrush', ('brush', Transparent)),
('SetPen', ('pen', Color(0, 0, 0), 1)),
('DrawEllipse', 5, 5, 10, 10),
('SetBrush', ('brush', Color(0, 0, 1))),
('SetPen', ('pen', Color(0, 0, 0), 1)),
('DrawEllipse', 25, -15, 10, 10),
('SetFont', "label font"),
('EndDrawing',)])
def test_renderer_extension(self):
"""Test renderer with a renderer extension"""
class MyLayer(BaseLayer):
pass
calls = []
def my_renderer(renderer, layer):
calls.append((renderer, layer))
return ()
add_renderer_extension(MyLayer, my_renderer)
try:
map = Map("test_renderer_extension")
layer = MyLayer("my layer")
map.AddLayer(layer)
self.to_destroy.append(map)
dc = MockDC()
renderer = SimpleRenderer(dc, map, 2, (10, 10))
renderer.render_map()
finally:
init_renderer_extensions()
self.assertEquals(calls, [(renderer, layer)])
if __name__ == "__main__":
support.run_tests()
|
