memory is the process in which information is encoded, stored, and retrieved.

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2
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2answers
61 views

Will upgrading my RAM and Processor speed up functions on QGIS Desktop 2.12.0?

I am using QGIS 2.12.0- Lyon (64-bit) at work and have been finding with especially large amounts of data (many vector layers) that all processes on the system have been running slower. I am running ...
3
votes
1answer
166 views

RAM available and RAM used by arcGIS. How can I increase/allocate RAM for arcGIS usage?

In my x64 laptop I have 16G of RAM. I see arcGIS is using 4G, I have 11G of RAM available. Also, I was trying to process an 8G raster and I've got a not enough memory error. Is there anyway I can ...
1
vote
2answers
65 views

Out of memory when running ModelBuilder?

I'm currently using ArcGIS 10.3.1 on a 64 bit windows 7 machine. When I run the following model, every iteration adds about 20 consistent megabytes into the ArcMap sessions memory until it eventually ...
0
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0answers
23 views

Arcpy Select by Location out of memory

I have multiple lines (lines) intersecting points (centroids) from which I want to extract landuse values and then write the extracted values to the lines as 'land1' and 'land2' values. I need to ...
2
votes
0answers
66 views

Select by location not selecting all features in ArcPy [duplicate]

I am having an issue with the "select layer by location" tool in my ArcPy script, that may be due to a hidden memory error. Using one feature class with 281 polygons, I would like to select all of the ...
0
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0answers
21 views

why does a geodataframe take up so much memory?

I've noticed that the following line get memory usage up by 4GB, even though the .shp file is only 1.2 GB, the .dbf file is 0.8 GB and the other parts of the shapefile are negligible. ...
0
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0answers
46 views

Using ELIMINATE in ArcMap I Run “out of memory”

I created an apparently large dataset (> 800,000 features) by converting a tree height DEM into polygons. I used focal statistics to generalize the data for groups of trees of classified heights. ...
7
votes
1answer
161 views

How to speed up QGIS project opening with large point datasets?

I recently loaded a big point set (in terms of memory usage) in the QGIS project i'm working on. This layer is necessary for the project but it is not used often. Most of the time is turned off. The ...
1
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0answers
21 views

Access MEM data from GDAL?

I don't have any answers (yet) from from previous question on GDAL memory raster + OpenLayers, so i'll try to ask an easier question :) Anyone knows how to access GDAL memory with command lines when ...
2
votes
2answers
176 views

Memory limit in ArcGIS Pro? [closed]

What I'd like to know, more than the theoretical limit of the new ArcGIS Pro memory usage, is the real limit. So, for users of ArcGIS pro, have you run a process using more than 4 GB of RAM, if so, ...
1
vote
1answer
58 views

Arcpy scripts freeze on reaching a certain level on big datasets

I have a geodatabase with 300 featureclasses with around 4.5 million features in each featureclass. I am updating each featureclass with a value calculated through an algorithm. The IDLE ide for ...
1
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0answers
24 views

QTiles Plugin maximum store support, intensive computing time?

We try to compute 187 000 tiles with QGIS plugin QTiles in zoom level 18 (around 3000 square kilometres). There are 25 layers in there (mainly polylines and polygones). It took much longer than usual ...
0
votes
1answer
57 views

postgresql out of memory [closed]

I clip 70 raster with polygon in postgresql, the result are: out of memory, Fatal on request size of 10872 I read some solution about changing the postgresql.conf parameter but nothing work for me ...
1
vote
1answer
116 views

Optimize my code or get out this process without charge as much RAM?

I'm working with script code in python for some processes from raster layers, my code takes the raster files, create arrays of data, manipulate the data and then creates a rater output with the ...
1
vote
1answer
105 views

GRASS 7.0 fill.dir crash

I am working on a 13407 lines * 11050 columns raster file (SRTM DEM, 30m) with a script that calls a series of hydrological modules in GRASS 7.0. The system I am using is a Windows server 2012 R2, 64 ...
1
vote
1answer
191 views

PermGenSpace error in Tomcat with geonetwork 3.0

I'm running a geonetwork 3.0.1 instance on tomcat7. Regularly, i.e. every few actions of my only user, my tomcat runs into a PermGenSpace error. This especially occurs during harvesting of other ...
3
votes
1answer
331 views

Converting large rasters to NumPy

I have a geodatabase that contains a large number of raster datasets - there are two rasters for each country in the world, and they are very large, in some cases up to 3GB per raster dataset. I ...
0
votes
1answer
17 views

drawing on AGSSketchGraphicsLayer leads to memory issue

In my app I have a functionality to the log the GPS. I am using AGSSketch GraphicLayer to do the drawing with the points received from GPS/location manager. I see that the memory allocations get ...
1
vote
0answers
104 views

Using R to find attributes of spatial neighbors, especially with big spatial polygon data frames

If it's not too much, I have a specific question that leads to a more general one: I'd love thoughts on both if it's possible. First, the specific: I have an analysis involving census blocks and ...
4
votes
0answers
65 views

Why does @data@values slot for RasterLayer only contain logical(0) and not the actual values?

Trying to get to the bottom of why, when I read in a raster of NDVI, the @data@values slot does not contain the actual values until I set them manually. For example: NDVI <- ...
3
votes
1answer
100 views

Memory issues with zonal statistics

I have got a memory issue due to the use of the zonal statistics command into a loop. It seems that after using the ZS command QGIS stores some information in the RAM (cache memory?). It is not ...
1
vote
0answers
197 views

ArcGIS DissolveManagement Memory Problems

beside other tools I am using the dissolve tool in a python script. The input feature class (polygon) has about 140 MB. Running the script with python 32 bit (in CMD and in ArcGIS Desktop 10.2.2) ...
3
votes
0answers
369 views

How to use Python's subprocess module in a for loop ArcGIS?

I am new to scripting with ArcGIS. Although this might be an easy thing for those that know Python well, I haven't figured out how to use the subprocess module in a script. I actually think I'm ...
3
votes
0answers
387 views

ArcObjects Memory Leak with IWorkspaceEdit?

I have ArcGIS 10.1 installed. I have created a function for copying all of the features from one shapefile to another using IFeatureBuffer, now every time the function when it is called, it takes ...
2
votes
0answers
168 views

Plotting Bare Soil Line on landsat data in RStudio?

I am using RStudio with landsat package for computing and plotting the Bare Soil Line (BSL) on landsat tif image running on my HP Pavilion i7 laptop. The codes for running the BSL() function is as ...
4
votes
1answer
251 views

Memory Vector Layer Corrupted?

I was working with a large data set that had data for roads, rivers, railways, etc. all together so I decided to break the different data out so I could label it differently on the map and check each ...
1
vote
0answers
21 views

Proper updating of new memory layer geometry?

Current workflow for a toolbar button: -create memory layer -save memory layer to shapefile Then the user uses the built-in QGIS tools to add geometry and finally saves changes via the auto prompt ...
8
votes
1answer
568 views

Simplest way to limit the memory that the raster package uses in R

What's the easiest way to limit the memory the raster package uses in R to 5GB of RAM? Ideally I want any raster that exceeds this size to be written to the hard drive and analysed from a temporary ...
0
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0answers
44 views

Memory error in opening arcmap 9.3

I am working on remorte Desktop where arcGIS 9.3.1 is installed. It was working perfectly for Long time. Currently it shows a funny error like: you do not have enough memmory to run the application ...
3
votes
1answer
339 views

Python MemoryError when running ArcGIS Python Toolbox tool

I have a Python Toolbox (.pyt) containing a single tool. Part of that tool is the following function, which creates a dictionary from an attribute table, where the keys are the rows' OBJECTIDs and the ...
2
votes
2answers
302 views

arcpy.Dissolve fails; need a arcpy dissolve to multipart workaround

I have a arcpy script in which I am using arcpy.Dissolve on a single feature class with multiple features to get a single multi-part feature in the output. The script is successful only part of the ...
1
vote
0answers
212 views

Fill tool creating large output files from sections of a Raster

(This raster information for one of the clipped rasters) I have a raster image representing a landscape that is about 1.3Gb. I clipped the raster into 31 sections which vary in size from 10Mb to ...
1
vote
1answer
798 views

Out of memory when calculating loop in ArcGIS 10.2 with Python 2.7

I am quite new to scripting for ArcGIS, so don't mind the styling and layout. I am trying to calculate 600.000 routes by looping a network analyst route analysis. The script extracts two pointID's ...
3
votes
2answers
570 views

Committed RAM % in ArcServer

I have a server with 16GB of RAM, and it's holding roughly 156 Image Services... Managing the % of committed bytes in use, I am using roughly 83%. Or about 13.28 GB. The server is now kicking out ...
2
votes
0answers
173 views

WFS, ArcGIS Server 10.2 and WFS maxFeatures?

I'm experiencing intermittent 'out of server memory' errors on our public ArcGIS Server 10.2 server. From what I can glean from the OGC documentation the server side maxfeatures parameter was only ...
6
votes
2answers
1k views

How to load memory output from QGIS processing?

Many processing algorithms have an option to save output as memory. If ran from toolbox, this works fine, because you can tick the "Open output file after running algorithm" box. Looking at the ...
6
votes
1answer
2k views

Using in-memory vector layer with QGIS processing / SEXTANTE

I'm trying to run the qgis:clip algorithm from console, but am getting an error when using an in-memory layer as the overlay parameter. Is this to be expected, or am I doing something wrong? Code: ...
1
vote
1answer
985 views

GDAL RasterIO grabbing memory

I have written an application in c++ to read LiDAR files and convert to various rasters using GDAL; this worked very well on small scale tests (47 LAS files) however, when used on a live task the ...
4
votes
2answers
1k views

Can we create a temporary in-memory geodatabase using python?

I have been using in-memory workspace for creating temporary features, but I was wondering if we could create a temporary in-memory geodatabase (using python) and then use it for importing other ...
0
votes
1answer
297 views

ERROR: “Can't save to disk (check for space, write permission, or name)” while creating TIN in memory

I get the following error while creating TIN in memory : ERROR 999999: Error executing function. Can't save to disk (check for space, write permission, or name). Failed to execute (CreateTin). I ...
1
vote
1answer
2k views

How to create a feature class in memory?

I am trying to create a feature class in memory but I am not sure how to use the syntax. My code looks like this: FC = arcpy.CreateFeatureclass_management("", "in_memory/FC", "POLYGON", "", ...
3
votes
1answer
557 views

Small script crashes Python

I'm running a rather simple script with ArcPy, which extracts values of raster to points of a shapefile: def raster_overlay(input_files): for raster in input_files: in_shp = ...
0
votes
0answers
529 views

What causes an Out of Memory error in ArcServer?

I'm creating a web app in the ESRI JS API and have recently added a 2008 FIRM service to the app. I cached the service. When I would try and click and identify certain flood zones I get an error in ...
1
vote
1answer
849 views

ArcMap Crashes because of increasing memory usage

Hi I have this code and I tried to delete all the layers it creates to enhance it's performance...However ArcMap crashes after about 200+ files. I am new to the subject but I checked the internet for ...
1
vote
2answers
367 views

How much memory need osm2po for loading 10Gb map?

i'm using osm2po as routing engine,and i'm trying to load whole europe map ( about 10 GB file ) - java always die on memory error. How osm2po works, do i need to have over 10GB of physical memory to ...
2
votes
0answers
60 views

How to load a raster from in-memory bitmap (not from file) into PostgreSQL

I have a bitmap in memory that I would like to load as a raster to PostgreSQL. An unfavorable option is saving the bitmap to file and then use raster2pgsql, but as we have several cameras that ...
7
votes
1answer
6k views

How to increase maximum memory usage cap for running Arc 10.1?

Not sure if this is strictly GIS related or perhaps belongs on StackOverflow...it is regarding ESRI ArcGIS 10.1, so I'm sticking it here. I'm looking for options to increase processing capacity, and ...
5
votes
1answer
163 views

Why are z-values replaced with zero after in_memory use in Python?

My script takes separate 3D feature classes, calculates a field, appends to a target feature class, and then deletes the originals. This is a huge data processing task of over 4700 mass point feature ...
0
votes
0answers
211 views

MemoryLeak - http://help.arcgis.com/en/webapi/javascript/arcgis/samples/fl_any_projection/index.html

Attention ESRI - Loading http://help.arcgis.com/en/webapi/javascript/arcgis/samples/fl_any_projection/index.html inside of sIEve shows a significant amount of memory loss each time the page loads ...
3
votes
0answers
239 views

How to use Memory layers in QGIS plugin to store results of Geoprocessing tools

I'm building a plugin to perform Multi Criteria Analysis (yes another one...). As part of my workflow intersecting vectorlayers is needed. I use QgsOverlayAnalyzer.intersection (a pity union is not ...