Estimated index bounds; updated colormaps

Author: blazs

landsat-8/indexdb/id_1.js

@@ -2,4 +2,22 @@
 // URL http://www.indexdatabase.de/db/si-single.php?rsindex_id=1=&sensor_id=168
 
 let index = (B06)/(B07);
-return colorBlend(index, [0, 0.2, 0.4, 0.6, 0.8, 1], [[0,0,0], [0.1,0.2,0.5], [0.25,0.4,0.5], [0.4,0.6,0.5], [0.75,0.8,0.5], [1,1,0.5]]);
+let min = 0.058;
+let max = 17.047;
+
+// colorBlend will return a color when the index is between min and max and white when it is less than min.
+// To see black when it is more than max, uncomment the last line of colorBlend.
+// The min/max values were computed automatically and may be poorly specified, feel free to change them to tweak the displayed range.
+
+var underflow_color = [1, 1, 1];
+var low_color = [208/255, 88/255, 126/255];
+var high_color = [241/255, 234/255, 200/255];
+var overflow_color = [0, 0, 0];
+
+return colorBlend(index, [min, min, max],
+[
+	underflow_color,
+	low_color,
+	high_color,
+	//overflow_color // uncomment to see overflows
+]);

landsat-8/indexdb/id_11.js

@@ -2,4 +2,26 @@
 // URL http://www.indexdatabase.de/db/si-single.php?rsindex_id=11=&sensor_id=168
 
 let index = (B04-B02)/(B04);
-return colorBlend(index, [0, 0.2, 0.4, 0.6, 0.8, 1], [[0,0,0], [0.1,0.2,0.5], [0.25,0.4,0.5], [0.4,0.6,0.5], [0.75,0.8,0.5], [1,1,0.5]]);
+let min = -16.256;
+let max = 0.942;
+let zero = 0.0;
+
+// colorBlend will return a color when the index is between min and max and white when it is less than min.
+// To see black when it is more than max, uncomment the last line of colorBlend.
+// The min/max values were computed automatically and may be poorly specified, feel free to change them to tweak the displayed range.
+// This index crosses zero, so a diverging color map is used. To tweak the value of the break in the color map, change the variable 'zero'.
+
+var underflow_color = [1, 1, 1];
+var low_color = [208/255, 88/255, 126/255];
+var high_color = [241/255, 234/255, 200/255];
+var zero_color = [0, 147/255, 146/255];
+var overflow_color = [0, 0, 0];
+
+return colorBlend(index, [min, min, zero, max],
+[
+	underflow_color,
+	low_color,
+	zero_color, // divergent step at zero
+	high_color,
+	//overflow_color // uncomment to see overflows
+]);

landsat-8/indexdb/id_12.js

@@ -2,4 +2,22 @@
 // URL http://www.indexdatabase.de/db/si-single.php?rsindex_id=12=&sensor_id=168
 
 let index = (B05)/(B04);
-return colorBlend(index, [0, 0.2, 0.4, 0.6, 0.8, 1], [[0,0,0], [0.1,0.2,0.5], [0.25,0.4,0.5], [0.4,0.6,0.5], [0.75,0.8,0.5], [1,1,0.5]]);
+let min = 0.058;
+let max = 16.87;
+
+// colorBlend will return a color when the index is between min and max and white when it is less than min.
+// To see black when it is more than max, uncomment the last line of colorBlend.
+// The min/max values were computed automatically and may be poorly specified, feel free to change them to tweak the displayed range.
+
+var underflow_color = [1, 1, 1];
+var low_color = [208/255, 88/255, 126/255];
+var high_color = [241/255, 234/255, 200/255];
+var overflow_color = [0, 0, 0];
+
+return colorBlend(index, [min, min, max],
+[
+	underflow_color,
+	low_color,
+	high_color,
+	//overflow_color // uncomment to see overflows
+]);

landsat-8/indexdb/id_125.js

@@ -2,4 +2,26 @@
 // URL http://www.indexdatabase.de/db/si-single.php?rsindex_id=125=&sensor_id=168
 
 let index = (0.1*B05-B04)/(0.1*B05+B04);
-return colorBlend(index, [0, 0.2, 0.4, 0.6, 0.8, 1], [[0,0,0], [0.1,0.2,0.5], [0.25,0.4,0.5], [0.4,0.6,0.5], [0.75,0.8,0.5], [1,1,0.5]]);
+let min = -0.988;
+let max = 0.262;
+let zero = 0.0;
+
+// colorBlend will return a color when the index is between min and max and white when it is less than min.
+// To see black when it is more than max, uncomment the last line of colorBlend.
+// The min/max values were computed automatically and may be poorly specified, feel free to change them to tweak the displayed range.
+// This index crosses zero, so a diverging color map is used. To tweak the value of the break in the color map, change the variable 'zero'.
+
+var underflow_color = [1, 1, 1];
+var low_color = [208/255, 88/255, 126/255];
+var high_color = [241/255, 234/255, 200/255];
+var zero_color = [0, 147/255, 146/255];
+var overflow_color = [0, 0, 0];
+
+return colorBlend(index, [min, min, zero, max],
+[
+	underflow_color,
+	low_color,
+	zero_color, // divergent step at zero
+	high_color,
+	//overflow_color // uncomment to see overflows
+]);

landsat-8/indexdb/id_128.js

@@ -2,4 +2,26 @@
 // URL http://www.indexdatabase.de/db/si-single.php?rsindex_id=128=&sensor_id=168
 
 let index = (B05)/(B03)-1;
-return colorBlend(index, [0, 0.2, 0.4, 0.6, 0.8, 1], [[0,0,0], [0.1,0.2,0.5], [0.25,0.4,0.5], [0.4,0.6,0.5], [0.75,0.8,0.5], [1,1,0.5]]);
+let min = -0.941;
+let max = 15.93;
+let zero = 0.0;
+
+// colorBlend will return a color when the index is between min and max and white when it is less than min.
+// To see black when it is more than max, uncomment the last line of colorBlend.
+// The min/max values were computed automatically and may be poorly specified, feel free to change them to tweak the displayed range.
+// This index crosses zero, so a diverging color map is used. To tweak the value of the break in the color map, change the variable 'zero'.
+
+var underflow_color = [1, 1, 1];
+var low_color = [208/255, 88/255, 126/255];
+var high_color = [241/255, 234/255, 200/255];
+var zero_color = [0, 147/255, 146/255];
+var overflow_color = [0, 0, 0];
+
+return colorBlend(index, [min, min, zero, max],
+[
+	underflow_color,
+	low_color,
+	zero_color, // divergent step at zero
+	high_color,
+	//overflow_color // uncomment to see overflows
+]);

landsat-8/indexdb/id_135.js

@@ -2,4 +2,26 @@
 // URL http://www.indexdatabase.de/db/si-single.php?rsindex_id=135=&sensor_id=168
 
 let index = (B05-B02)/(B05+B02);
-return colorBlend(index, [0, 0.2, 0.4, 0.6, 0.8, 1], [[0,0,0], [0.1,0.2,0.5], [0.25,0.4,0.5], [0.4,0.6,0.5], [0.75,0.8,0.5], [1,1,0.5]]);
+let min = -0.889;
+let max = 0.889;
+let zero = 0.0;
+
+// colorBlend will return a color when the index is between min and max and white when it is less than min.
+// To see black when it is more than max, uncomment the last line of colorBlend.
+// The min/max values were computed automatically and may be poorly specified, feel free to change them to tweak the displayed range.
+// This index crosses zero, so a diverging color map is used. To tweak the value of the break in the color map, change the variable 'zero'.
+
+var underflow_color = [1, 1, 1];
+var low_color = [208/255, 88/255, 126/255];
+var high_color = [241/255, 234/255, 200/255];
+var zero_color = [0, 147/255, 146/255];
+var overflow_color = [0, 0, 0];
+
+return colorBlend(index, [min, min, zero, max],
+[
+	underflow_color,
+	low_color,
+	zero_color, // divergent step at zero
+	high_color,
+	//overflow_color // uncomment to see overflows
+]);

landsat-8/indexdb/id_136.js

@@ -2,4 +2,26 @@
 // URL http://www.indexdatabase.de/db/si-single.php?rsindex_id=136=&sensor_id=168
 
 let index = (0.1*B05-B02)/(0.1*B05+B02);
-return colorBlend(index, [0, 0.2, 0.4, 0.6, 0.8, 1], [[0,0,0], [0.1,0.2,0.5], [0.25,0.4,0.5], [0.4,0.6,0.5], [0.75,0.8,0.5], [1,1,0.5]]);
+let min = -0.989;
+let max = 0.259;
+let zero = 0.0;
+
+// colorBlend will return a color when the index is between min and max and white when it is less than min.
+// To see black when it is more than max, uncomment the last line of colorBlend.
+// The min/max values were computed automatically and may be poorly specified, feel free to change them to tweak the displayed range.
+// This index crosses zero, so a diverging color map is used. To tweak the value of the break in the color map, change the variable 'zero'.
+
+var underflow_color = [1, 1, 1];
+var low_color = [208/255, 88/255, 126/255];
+var high_color = [241/255, 234/255, 200/255];
+var zero_color = [0, 147/255, 146/255];
+var overflow_color = [0, 0, 0];
+
+return colorBlend(index, [min, min, zero, max],
+[
+	underflow_color,
+	low_color,
+	zero_color, // divergent step at zero
+	high_color,
+	//overflow_color // uncomment to see overflows
+]);

landsat-8/indexdb/id_14.js

@@ -2,4 +2,22 @@
 // URL http://www.indexdatabase.de/db/si-single.php?rsindex_id=14=&sensor_id=168
 
 let index = (B07)/(B04);
-return colorBlend(index, [0, 0.2, 0.4, 0.6, 0.8, 1], [[0,0,0], [0.1,0.2,0.5], [0.25,0.4,0.5], [0.4,0.6,0.5], [0.75,0.8,0.5], [1,1,0.5]]);
+let min = 0.058;
+let max = 17.109;
+
+// colorBlend will return a color when the index is between min and max and white when it is less than min.
+// To see black when it is more than max, uncomment the last line of colorBlend.
+// The min/max values were computed automatically and may be poorly specified, feel free to change them to tweak the displayed range.
+
+var underflow_color = [1, 1, 1];
+var low_color = [208/255, 88/255, 126/255];
+var high_color = [241/255, 234/255, 200/255];
+var overflow_color = [0, 0, 0];
+
+return colorBlend(index, [min, min, max],
+[
+	underflow_color,
+	low_color,
+	high_color,
+	//overflow_color // uncomment to see overflows
+]);

landsat-8/indexdb/id_16.js

@@ -2,4 +2,26 @@
 // URL http://www.indexdatabase.de/db/si-single.php?rsindex_id=16=&sensor_id=168
 
 let index = 2.5*(B05-B04)/((B05+6*B04-7.5*B02)+1);
-return colorBlend(index, [0, 0.2, 0.4, 0.6, 0.8, 1], [[0,0,0], [0.1,0.2,0.5], [0.25,0.4,0.5], [0.4,0.6,0.5], [0.75,0.8,0.5], [1,1,0.5]]);
+let min = -8.185;
+let max = 7.886;
+let zero = 0.0;
+
+// colorBlend will return a color when the index is between min and max and white when it is less than min.
+// To see black when it is more than max, uncomment the last line of colorBlend.
+// The min/max values were computed automatically and may be poorly specified, feel free to change them to tweak the displayed range.
+// This index crosses zero, so a diverging color map is used. To tweak the value of the break in the color map, change the variable 'zero'.
+
+var underflow_color = [1, 1, 1];
+var low_color = [208/255, 88/255, 126/255];
+var high_color = [241/255, 234/255, 200/255];
+var zero_color = [0, 147/255, 146/255];
+var overflow_color = [0, 0, 0];
+
+return colorBlend(index, [min, min, zero, max],
+[
+	underflow_color,
+	low_color,
+	zero_color, // divergent step at zero
+	high_color,
+	//overflow_color // uncomment to see overflows
+]);

landsat-8/indexdb/id_18.js

@@ -2,4 +2,22 @@
 // URL http://www.indexdatabase.de/db/si-single.php?rsindex_id=18=&sensor_id=168
 
 let index = (B07)/(B05)+(B03)/(B04);
-return colorBlend(index, [0, 0.2, 0.4, 0.6, 0.8, 1], [[0,0,0], [0.1,0.2,0.5], [0.25,0.4,0.5], [0.4,0.6,0.5], [0.75,0.8,0.5], [1,1,0.5]]);
+let min = 0.36;
+let max = 23.828;
+
+// colorBlend will return a color when the index is between min and max and white when it is less than min.
+// To see black when it is more than max, uncomment the last line of colorBlend.
+// The min/max values were computed automatically and may be poorly specified, feel free to change them to tweak the displayed range.
+
+var underflow_color = [1, 1, 1];
+var low_color = [208/255, 88/255, 126/255];
+var high_color = [241/255, 234/255, 200/255];
+var overflow_color = [0, 0, 0];
+
+return colorBlend(index, [min, min, max],
+[
+	underflow_color,
+	low_color,
+	high_color,
+	//overflow_color // uncomment to see overflows
+]);