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0

I'm trying to calculate weather statistics(a histogram) for some areas, after the reduce, I can see histogram in my FeatureCollection, but after I flatten the FeatureCollection, the histogram disappeared, I've exported the featureCollection to verify it. The histogram column did disappeared. Where is the histogram? Is it a bug?

var CONUS = ['KS','AR','MO','MI','IL'];

var studyAreas = ee.FeatureCollection('ft:17aT9Ud-YnGiXdXEJUyycH2ocUqreOeKGbzCkUw')

.filter(ee.Filter.inList('id',CONUS));

Map.addLayer(studyAreas,{},'studyAreas');        

var prcp = ee.ImageCollection("NASA/ORNL/DAYMET_V3").filterDate('2003-4-1','2003-4-20').select(1)//1:prciptation

var prcpHist1 = prcp.map(function(image){

  return image.reduceRegions({

  collection: studyAreas,

  reducer: ee.Reducer.fixedHistogram(1,100,32),

  scale: 1000 // the resolution of the  dataset

});

})

print('prcpHist1',prcpHist1)

var prcpOutHist1 = ee.FeatureCollection(prcpHist1).flatten().select(['.*'],null,false);



print('prcpOutHist1',prcpOutHist1)

Export.table.toDrive({

  collection: prcpOutHist1,

  description: 'PRCP',

  folder: 'Daymet_V3',

  fileFormat: 'CSV'

});

google-earth-engine

share|improve this question

edited 1 hour ago

Jsun

asked 2 hours ago

JsunJsun

64

add a comment | 

0

I'm trying to calculate weather statistics(a histogram) for some areas, after the reduce, I can see histogram in my FeatureCollection, but after I flatten the FeatureCollection, the histogram disappeared, I've exported the featureCollection to verify it. The histogram column did disappeared. Where is the histogram? Is it a bug?

var CONUS = ['KS','AR','MO','MI','IL'];

var studyAreas = ee.FeatureCollection('ft:17aT9Ud-YnGiXdXEJUyycH2ocUqreOeKGbzCkUw')

.filter(ee.Filter.inList('id',CONUS));

Map.addLayer(studyAreas,{},'studyAreas');        

var prcp = ee.ImageCollection("NASA/ORNL/DAYMET_V3").filterDate('2003-4-1','2003-4-20').select(1)//1:prciptation

var prcpHist1 = prcp.map(function(image){

  return image.reduceRegions({

  collection: studyAreas,

  reducer: ee.Reducer.fixedHistogram(1,100,32),

  scale: 1000 // the resolution of the  dataset

});

})

print('prcpHist1',prcpHist1)

var prcpOutHist1 = ee.FeatureCollection(prcpHist1).flatten().select(['.*'],null,false);



print('prcpOutHist1',prcpOutHist1)

Export.table.toDrive({

  collection: prcpOutHist1,

  description: 'PRCP',

  folder: 'Daymet_V3',

  fileFormat: 'CSV'

});

google-earth-engine

share|improve this question

edited 1 hour ago

Jsun

asked 2 hours ago

JsunJsun

64

add a comment | 

I'm trying to calculate weather statistics(a histogram) for some areas, after the reduce, I can see histogram in my FeatureCollection, but after I flatten the FeatureCollection, the histogram disappeared, I've exported the featureCollection to verify it. The histogram column did disappeared. Where is the histogram? Is it a bug?

var CONUS = ['KS','AR','MO','MI','IL'];

var studyAreas = ee.FeatureCollection('ft:17aT9Ud-YnGiXdXEJUyycH2ocUqreOeKGbzCkUw')

.filter(ee.Filter.inList('id',CONUS));

Map.addLayer(studyAreas,{},'studyAreas');        

var prcp = ee.ImageCollection("NASA/ORNL/DAYMET_V3").filterDate('2003-4-1','2003-4-20').select(1)//1:prciptation

var prcpHist1 = prcp.map(function(image){

  return image.reduceRegions({

  collection: studyAreas,

  reducer: ee.Reducer.fixedHistogram(1,100,32),

  scale: 1000 // the resolution of the  dataset

});

})

print('prcpHist1',prcpHist1)

var prcpOutHist1 = ee.FeatureCollection(prcpHist1).flatten().select(['.*'],null,false);



print('prcpOutHist1',prcpOutHist1)

Export.table.toDrive({

  collection: prcpOutHist1,

  description: 'PRCP',

  folder: 'Daymet_V3',

  fileFormat: 'CSV'

});

google-earth-engine

share|improve this question

edited 1 hour ago

Jsun

asked 2 hours ago

JsunJsun

64

var CONUS = ['KS','AR','MO','MI','IL'];

var studyAreas = ee.FeatureCollection('ft:17aT9Ud-YnGiXdXEJUyycH2ocUqreOeKGbzCkUw')

.filter(ee.Filter.inList('id',CONUS));

Map.addLayer(studyAreas,{},'studyAreas');        

var prcp = ee.ImageCollection("NASA/ORNL/DAYMET_V3").filterDate('2003-4-1','2003-4-20').select(1)//1:prciptation

var prcpHist1 = prcp.map(function(image){

  return image.reduceRegions({

  collection: studyAreas,

  reducer: ee.Reducer.fixedHistogram(1,100,32),

  scale: 1000 // the resolution of the  dataset

});

})

print('prcpHist1',prcpHist1)

var prcpOutHist1 = ee.FeatureCollection(prcpHist1).flatten().select(['.*'],null,false);



print('prcpOutHist1',prcpOutHist1)

Export.table.toDrive({

  collection: prcpOutHist1,

  description: 'PRCP',

  folder: 'Daymet_V3',

  fileFormat: 'CSV'

});

share|improve this question

edited 1 hour ago

Jsun

asked 2 hours ago

JsunJsun

64

share|improve this question

edited 1 hour ago

Jsun

asked 2 hours ago

JsunJsun

64

asked 2 hours ago

JsunJsun

64

asked 2 hours ago

JsunJsun

64