Hello
I'm having an issue configuring my image mosaic correctly with the Coverage
parameters.
I attached the gdalinfo for my geotiff since the actual geotiff is quite large.
The underlying data values for this particular geotiff are all 0. It's a
completely black image, however there is a "nodata" transparent line in the
image. See attached getMap.png. After reading the instructions below, I'm
trying to set the InputTransparentColor but no matter what value I set it to
the entire image becomes transparent. I would also like to mention that
setting the InputTransparentColor for images that do not contain the background
value of 0 works.
Should I change the nodata value in the geotiff to be -9999?
Should I create an SLD for the geotiff?
https://docs.geoserver.org/stable/en/user/data/raster/imagemosaic/configuration.html#coverage-parameters
Dominique Bessette
G:\>gdalinfo EMETEO-VIS-1km_201909301900.tif
Driver: GTiff/GeoTIFF
Files: EMETEO-VIS-1km_201909301900.tif
Size is 8250, 14303
Coordinate System is:
GEOGCS["WGS 84",
DATUM["WGS_1984",
SPHEROID["WGS 84",6378137,298.257223563,
AUTHORITY["EPSG","7030"]],
AUTHORITY["EPSG","6326"]],
PRIMEM["Greenwich",0],
UNIT["degree",0.0174532925199433],
AUTHORITY["EPSG","4326"]]
Origin = (29.996122900000000,65.009388299999998)
Pixel Size = (0.009091848993939,-0.009090315080752)
Metadata:
AREA_OR_POINT=Area
TIFFTAG_RESOLUTIONUNIT=1 (unitless)
TIFFTAG_XRESOLUTION=1
TIFFTAG_YRESOLUTION=1
Image Structure Metadata:
INTERLEAVE=BAND
Corner Coordinates:
Upper Left ( 29.9961229, 65.0093883) ( 29d59'46.04"E, 65d 0'33.80"N)
Lower Left ( 29.9961229, -65.0093883) ( 29d59'46.04"E, 65d 0'33.80"S)
Upper Right ( 105.0038771, 65.0093883) (105d 0'13.96"E, 65d 0'33.80"N)
Lower Right ( 105.0038771, -65.0093883) (105d 0'13.96"E, 65d 0'33.80"S)
Center ( 67.5000000, 0.0000000) ( 67d30' 0.00"E, 0d 0' 0.01"N)
Band 1 Block=8250x1 Type=Byte, ColorInterp=Palette
NoData Value=0
Color Table (RGB with 256 entries)
0: 0,0,0,0
1: 0,0,0,255
2: 1,1,1,255
3: 2,2,2,255
4: 3,3,3,255
5: 4,4,4,255
6: 5,5,5,255
7: 6,6,6,255
8: 7,7,7,255
9: 8,8,8,255
10: 9,9,9,255
11: 10,10,10,255
12: 11,11,11,255
13: 12,12,12,255
14: 13,13,13,255
15: 14,14,14,255
16: 15,15,15,255
17: 16,16,16,255
18: 17,17,17,255
19: 18,18,18,255
20: 19,19,19,255
21: 20,20,20,255
22: 21,21,21,255
23: 22,22,22,255
24: 23,23,23,255
25: 24,24,24,255
26: 25,25,25,255
27: 26,26,26,255
28: 27,27,27,255
29: 28,28,28,255
30: 29,29,29,255
31: 30,30,30,255
32: 31,31,31,255
33: 32,32,32,255
34: 33,33,33,255
35: 34,34,34,255
36: 35,35,35,255
37: 36,36,36,255
38: 37,37,37,255
39: 38,38,38,255
40: 39,39,39,255
41: 40,40,40,255
42: 41,41,41,255
43: 42,42,42,255
44: 43,43,43,255
45: 44,44,44,255
46: 45,45,45,255
47: 46,46,46,255
48: 47,47,47,255
49: 48,48,48,255
50: 49,49,49,255
51: 50,50,50,255
52: 51,51,51,255
53: 52,52,52,255
54: 53,53,53,255
55: 54,54,54,255
56: 55,55,55,255
57: 56,56,56,255
58: 57,57,57,255
59: 58,58,58,255
60: 59,59,59,255
61: 60,60,60,255
62: 61,61,61,255
63: 62,62,62,255
64: 63,63,63,255
65: 64,64,64,255
66: 65,65,65,255
67: 66,66,66,255
68: 67,67,67,255
69: 68,68,68,255
70: 69,69,69,255
71: 70,70,70,255
72: 71,71,71,255
73: 72,72,72,255
74: 73,73,73,255
75: 74,74,74,255
76: 75,75,75,255
77: 76,76,76,255
78: 77,77,77,255
79: 78,78,78,255
80: 79,79,79,255
81: 80,80,80,255
82: 81,81,81,255
83: 82,82,82,255
84: 83,83,83,255
85: 84,84,84,255
86: 85,85,85,255
87: 86,86,86,255
88: 87,87,87,255
89: 88,88,88,255
90: 89,89,89,255
91: 90,90,90,255
92: 91,91,91,255
93: 92,92,92,255
94: 93,93,93,255
95: 94,94,94,255
96: 95,95,95,255
97: 96,96,96,255
98: 97,97,97,255
99: 98,98,98,255
100: 99,99,99,255
101: 100,100,100,255
102: 101,101,101,255
103: 102,102,102,255
104: 103,103,103,255
105: 104,104,104,255
106: 105,105,105,255
107: 106,106,106,255
108: 107,107,107,255
109: 108,108,108,255
110: 109,109,109,255
111: 110,110,110,255
112: 111,111,111,255
113: 112,112,112,255
114: 113,113,113,255
115: 114,114,114,255
116: 115,115,115,255
117: 116,116,116,255
118: 117,117,117,255
119: 118,118,118,255
120: 119,119,119,255
121: 120,120,120,255
122: 121,121,121,255
123: 122,122,122,255
124: 123,123,123,255
125: 124,124,124,255
126: 125,125,125,255
127: 126,126,126,255
128: 127,127,127,255
129: 128,128,128,255
130: 129,129,129,255
131: 130,130,130,255
132: 131,131,131,255
133: 132,132,132,255
134: 133,133,133,255
135: 134,134,134,255
136: 135,135,135,255
137: 136,136,136,255
138: 137,137,137,255
139: 138,138,138,255
140: 139,139,139,255
141: 140,140,140,255
142: 141,141,141,255
143: 142,142,142,255
144: 143,143,143,255
145: 144,144,144,255
146: 145,145,145,255
147: 146,146,146,255
148: 147,147,147,255
149: 148,148,148,255
150: 149,149,149,255
151: 150,150,150,255
152: 151,151,151,255
153: 152,152,152,255
154: 153,153,153,255
155: 154,154,154,255
156: 155,155,155,255
157: 156,156,156,255
158: 157,157,157,255
159: 158,158,158,255
160: 159,159,159,255
161: 160,160,160,255
162: 161,161,161,255
163: 162,162,162,255
164: 163,163,163,255
165: 164,164,164,255
166: 165,165,165,255
167: 166,166,166,255
168: 167,167,167,255
169: 168,168,168,255
170: 169,169,169,255
171: 170,170,170,255
172: 171,171,171,255
173: 172,172,172,255
174: 173,173,173,255
175: 174,174,174,255
176: 175,175,175,255
177: 176,176,176,255
178: 177,177,177,255
179: 178,178,178,255
180: 179,179,179,255
181: 180,180,180,255
182: 181,181,181,255
183: 182,182,182,255
184: 183,183,183,255
185: 184,184,184,255
186: 185,185,185,255
187: 186,186,186,255
188: 187,187,187,255
189: 188,188,188,255
190: 189,189,189,255
191: 190,190,190,255
192: 191,191,191,255
193: 192,192,192,255
194: 193,193,193,255
195: 194,194,194,255
196: 195,195,195,255
197: 196,196,196,255
198: 197,197,197,255
199: 198,198,198,255
200: 199,199,199,255
201: 200,200,200,255
202: 201,201,201,255
203: 202,202,202,255
204: 203,203,203,255
205: 204,204,204,255
206: 205,205,205,255
207: 206,206,206,255
208: 207,207,207,255
209: 208,208,208,255
210: 209,209,209,255
211: 210,210,210,255
212: 211,211,211,255
213: 212,212,212,255
214: 213,213,213,255
215: 214,214,214,255
216: 215,215,215,255
217: 216,216,216,255
218: 217,217,217,255
219: 218,218,218,255
220: 219,219,219,255
221: 220,220,220,255
222: 221,221,221,255
223: 222,222,222,255
224: 223,223,223,255
225: 224,224,224,255
226: 225,225,225,255
227: 226,226,226,255
228: 227,227,227,255
229: 228,228,228,255
230: 229,229,229,255
231: 230,230,230,255
232: 231,231,231,255
233: 232,232,232,255
234: 233,233,233,255
235: 234,234,234,255
236: 235,235,235,255
237: 236,236,236,255
238: 237,237,237,255
239: 238,238,238,255
240: 239,239,239,255
241: 240,240,240,255
242: 241,241,241,255
243: 242,242,242,255
244: 243,243,243,255
245: 244,244,244,255
246: 245,245,245,255
247: 246,246,246,255
248: 247,247,247,255
249: 248,248,248,255
250: 249,249,249,255
251: 250,250,250,255
252: 251,251,251,255
253: 252,252,252,255
254: 253,253,253,255
255: 254,254,254,255_______________________________________________
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