difficult to process and manage because the size is usually bigger than the limits software can normally deal with.

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1answer
28 views

Stratified Random Sampling with large dataset in ArcGIS?

I want to create a Stratified Random Sample with a land cover classification map. The purpose for the Stratrified Random Sample is to produce an Accuracy Assessment. I am using ArcGIS 10.2 with access ...
3
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0answers
77 views

Memory issue inserting a large dataset in GDB with ArcObjects

I am using the ArcObjects API for Java to load a very large dataset in a File Geodatabase in one feature class. The whole dataset I have to load is composed of 200 datasets of 30k polygons, and I ...
2
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0answers
73 views

Arcpy script for summing pixel values in loop can't handle large number of rasters

I want to sum the pixel values of large numbers of rasters of different extents (ArcMap v10.2). 16GB RAM. I have the following code (with help from this site) which solves the different extent ...
2
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0answers
131 views

Performance issues Tilemill with PostgreSQL and large datasets

I have a Tilemill project the size of europe. I developed my style-sheet by using a smaller dataset (size auf Austria) and everything was perfect. But now I did apply the same styles to my big europe ...
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0answers
42 views

Managing Very Large Vector File Geodatabases

I am currently looking for ways to more effectively work with an extremely large 10,000,000 (+) vector features contained in a file geodatabase. Its just very cumbersome to work with in ArcGIS (v ...
1
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0answers
28 views

Printing large size with OpenLayers plugin basemaps?

trying to print A0, with one of the maplayers from the openlayers plugin, the resulting print misses tiles and is corrupted. any scale i choose there's no way except (i need >= 1.50.000) I tried to ...
1
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0answers
107 views

How to randomize colors for large datasets in QGIS new symbology?

Someone has already asked how to randomize colors by class in QGIS new symbology, but the answer there does not work with datasets containing more than 100 unique values since the Random option only ...
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0answers
16 views

Extracting many raster values for statistical analysis in JMP

To summarize: We have 28.5 million XY coordinates we would like to compare up to 6 raster values for, and prefer to look at those values in JMP. We are exploring interpolation methods in ArcGIS for ...
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71 views

How to work with shapefile with 110,000 points?

I have a very large shapefile. It has 110,000 parcels, represented as points. I'm not trying to do anything too advanced with it. Here's what I want to do: Join it with an Excel file, export it as a ...