Questions tagged [missing-data]

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Missing Observations in Zonal Statistics Tool

I am using zonal statistical tools. I have field boundary shapefile which has 1,062,063 observations. I am using zonal statistical as table tool to obtain precipitation values from raster layer. ...
2
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0answers
57 views

Finding pre-processed MODIS products?

I am trying to recognize burnt areas based on some MODIS products and I just realized that I am missing a bunch pixels from the coastline masking. As you can understand that is an issue because I am ...
2
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QGIS Polygons missing after saving edits

Right, I am slightly worried. I opened QGIS this morning to discover that part of the work I did yesterday was not there (the attributes where present in the table, but were not digitised anywhere on ...
1
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0answers
176 views

Only some points visible in CSV layer

I understand that this question has been asked before in one form or another, but unfortunately those answers haven't been able to solve my issue. I've imported a .csv file into QGIS and all the ...
1
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0answers
73 views

Filling missing pixels of ASTER DEM

I need to perform hydrological analyses and map design purposes (hillshade creation) on a region far north. It is too northern to be covered by the SRTM DEM, therefore I am using the ASTER DEM. ...
1
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29 views

Generating missing yearly data, based on a more detailed temporal data set

I have several very large raster data sets of land use classifications (ie. forest, wetland, argicultural, etc). The most comprehensive data spans 2009-2015. I have reclassified this data to match ...
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9 views

ArcMap Intersect Tool is missing just one intersect point of two polyline shapefiles?

I'm trying to find the intersect of 2 polyline shapefiles. One shapefile is a long line (of multiparts), the other shapefile is 11 straight lines that "fan out" radially. The ends of the first ...
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37 views

Point/Feature to Raster-unwanted Grid of missing Data raster Cells-ArcGIS10.5

I tried to convert some point data (points on a regular grid of 100m by 100m) with the Feature to Raster Tool and the Point to Raster Tool (Rastersize of 100m) but in the resulting Rasterfile there is ...