Questions tagged [cache]

A component that transparently stores data so that future requests for that data can be served faster

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4
votes
1answer
5k views

Uploading Service Definition Failed

Can anyone give me direction as to possible reasons why when publishing certain map services I get the "Packaging Succeeded but Publishing Failed" error? When I expand the Geoprocessing Results ...
2
votes
1answer
1k views

OpenLayers: cache WFS Request for Vector Layer

In our mobile application, we'd like to use the map offline. Actually, we don't care about tiles, but we want the user to be able to see some Vector layers. Here is a piece of code: ...
3
votes
1answer
1k views

Tiling/Caching ArcGIS Server

A few weeks ago we crashed our server by trying to tile a large image service (600gbs) (multiple times without clearing the cache) which caused us to exceed the servers free disk space. We fixed the ...
1
vote
1answer
419 views

Tiling/Caching Image Services with ArcGIS Server

The company I work for uses online map services while working with our clients. We publish map documents as well as image services and have had no issues until recent. We are able to publish/...
2
votes
1answer
257 views

Using the GeoWebCache expireCacheList parameter

I've just started looking at the cache expiration parameters for GeoWebCache and came across something that really confused me. In the documentation it says in its explanation for the <minZoom> ...
2
votes
1answer
328 views

Caching aerials in a different coordinate system

I have a strange problem to deal with caching of the aerials. All of our Aerials are stored in SDE in State Plane WKID-2237 (NAD_1983_StatePlane_Florida_West_FIPS_0902_Feet). But we are planning to ...
1
vote
1answer
413 views

Get latest tiles from TileMill's tile server in Leaflet

My leaflet app gets the tiles from TileMill's tile server in the standard way: L.tileLayer('http://<myip>/tile/SteveCountryVic/{z}/{x}/{y}.png', { ... }); These tiles are often old, not ...
1
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0answers
137 views

How does TileStache handle cache invalidation?

We are trying to set up our own openstreetmap server. From what I read here, you can use a variety of caches to speed up serving the data. Now, once a week, the people of openstreetmap provides a ...
3
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0answers
341 views

OpenLayers - Pre cache layers on Client

We are using GeoServer and OpenLayers to display our data. We have a static WMS layer and several dynamic WFS layers. I want to use client side caching of the WMS layer at different pre-defined zoom ...
0
votes
1answer
754 views

Forcing browser to cache map tiles and re-use them in OpenLayers

OpenLayers introduced client side caching in Version 2.11 and 2.12, along side their performance improvements for other map functions. Needless to say, these functions are intertwined and rely on each ...
2
votes
1answer
901 views

Decompress Tile Package

I'm curious if it's possible to decompress a 10.1 tile package (.tpk) into a different format such as the cache bundle format.
7
votes
2answers
7k views

Is the QGIS cache directory automatically created?

This question is directly a result of a question posted earlier about the units of cache size: QGIS - what is cache size measured in I went to the Options menu in QGIS, to the Network tab. Here is ...
2
votes
1answer
1k views

What is cache size measured in?

Can anyone tell me what the units are for the Cache Size setting in QGIS please? Is it bytes, KB, Mb, MB? When I look in the directory specified by the path (/Users/.../.qgis/cache/) the cache ...
2
votes
1answer
555 views

Is it necessary to use cachewrite control to use cacheread in openlayers?

the question is very simple. i want to use the OpenLayers.Control.CacheRead control to load and store tiles when the connection is fast e.g. with wifi network. then use the same device in other places ...
6
votes
1answer
674 views

Can you set a QGIS print composer to render the map as default?

I have set up a number of templates for the print composer in QGIS. In the Print Composer, there is the option to have the map image displayed in 3 ways: as a blank rectangle with no updates until ...
4
votes
1answer
1k views

ArcGIS Server cache from outside wms service

I have an arcgis server web application (version 10.0) that utilizes an external wms service for displaying some information layers on top of a local basemap. This external service has a tendency to ...
1
vote
2answers
199 views

Is it possible to cache the same WMS service based on a vendor parameter?

I'm exploring optimization techniques for caching data coming back from a Digital Globe service. We have two unique identifiers we use for their WMS GetMap service that will give us low or hi-res ...
1
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0answers
53 views

Feature class field count caching issue

In our application, we exposed a custom file format to ArcScene through a custom plugin data-source. However, we experience some problems which we ascribe to caching issues. We generate a dataset ...
8
votes
3answers
4k views

How Can I Make QGIS Stop Blinking Every Time I Pan?

The way QGIS draws the canvas when panning is quite annoying. If I pan the map even a little bit everything goes blank for a second or two before the layers are drawn. It looks like this happens only ...
1
vote
1answer
148 views

caching part of a postgis layer in mapserver

I'm creating a layer in mapserver using postgis. The layer consists of many polygons. Sometimes some of those polygons will change. Is it possible to cache the layer tiles using something like ...
5
votes
1answer
483 views

Why Can't ArcPy Search the Newly Created Feature

I'm running the following tool in ArcGIS 10. I have an ArcPy Script like this: import arcpy from arcpy import env env.workspace=r"C:/sde/lcimrl.sde" fc="SDE.ATTACHMENTS\SDE.attachment_points" fcRows =...
5
votes
4answers
1k views

Caching / Preloading data for use with WMS queries

Hoping someone can help me with this issue. I've got a map implemented in my web application using OpenLayers that makes WMS queries to GeoServer that in turn queries a Postgres (PostGIS) database to ...
1
vote
1answer
2k views

What do I need in order to show offline map (tile cached based) of area from OSM using Openlayers?

I want to make an offline map with certain zoom levels of an area from OSM (preferably keeping the styles of OSM). Client will use OpenLayers , If needed I can install Geoserver/Mapserver and MS-SQL ...
2
votes
1answer
957 views

Warning: QNetworkDiskCache::prepare() unable to open temporary file

When I run qgis 1.8.0 on Linux and load a WMS layer from a remote server I get messages (in terminal) saying Warning: QNetworkDiskCache::prepare() unable to open temporary file Downloading tiles ...
14
votes
3answers
3k views

Increasing display performance of ArcGIS Online Basemaps like Bing in ArcMap?

I'd like to know if there are ways (within ArcGIS itself) to increase the display performance of basemaps within ArcMap. The internet connection was recently upgraded, so it is much faster than before,...
5
votes
1answer
546 views

How to cache PostGIS views?

Does anyone knows if there exists a caching system for views or queries in postgis? I have a system that gives information through a webpage using a postgis view as backend. The problem is that, ...
5
votes
2answers
1k views

Unable to stop ArcGIS Server automatic cache generation

I'm running ArcGIS Server 10.1 on a Windows box on Amazon, via remote desktop. I've set up some services on which I have enabled caching using the Bing/Google/Esri scheme. I explicitly set these to ...
3
votes
3answers
9k views

local tiles server for offline access

Anyone knows if there is a "lightway" solution to mount a local tile server? Feature I'd to provide is local storage of small sections of maps, not more than small city for example, in order to ...
1
vote
2answers
2k views

Caching for dynamic layers

I have over 140 layers that need to appear as overlays on basemaps(Google and OSM). My users can pick and choose which layers they want to see and store them in their preferences. While we have built ...
1
vote
1answer
1k views

Can't add map service (map cache) to mxd

When trying to add a map service (in this case a map cache service) to an ArcMap project, I keep getting an error that says: Could not add specified data object to the map. Could not connect to the ...
4
votes
1answer
597 views

How to use an ArcGIS Server cache directory with multiple (differently named) map services?

We have a map service named 'X' that created and uses tiles in a cache directory 'Folder_X'. I'd like to create a second map service named 'Y' that uses the same cache directory - that is, it serves ...
6
votes
1answer
489 views

How to control visibility of cached layer in ArcGIS Server map service?

I am consuming mapservice form ArcGIS Server 10 using ArcGIS Silverlight API. I have created cache (fusion layers) for my services by right clicking on the mapservice in ArcCatalog and clicking create ...
3
votes
0answers
88 views

Partially cached maps

Have anyone tried to set up a tilecache for a certain area of a map, leaving the areas outside of the tiles boundingbox to pure wms calls? Background is I have a map where about 10% of it is accessed ...
1
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0answers
177 views

Clear or Disable Cache in ArcObjects Globe Control

Is it possible to clear or disable the cache for individual layers on the AxGlobeControl? If so, how? I would like to be able to do this programatically through ArcObjects.
1
vote
0answers
319 views

Dynamic Tiling Isn't working(create tiles on demand isn't working)

I have a map where users are going to primarily being viewing a particular area, so I cached this area and checked off the dynamic tiling option inside of the service properties this worked fine for a ...
6
votes
1answer
360 views

Creating a bounding box to pull from cache

I have a simple python script that is pulling in lat,longs from company's db and we are trying to create several bounding boxes around these points to simulate zoom-levels. The script will pull tiles ...
4
votes
1answer
623 views

Creating a map cache without ArcServer?

Is there a way to create a tiled map cache without using ArcServer? I have aerial photography in .sid format that takes a while to load, whereas cached jpeg tiles will load much much faster. Any way I ...
4
votes
3answers
1k views

Using WFS Caching / Back button?

I'm using WFS protocol on Vector layer / GeoServer / PostGIS Currently the map is refreshing and calling new requests whenever i do anything like searching or drawing and when i move back to a part ...
2
votes
0answers
740 views

Caching WMS data

I have an MXD created from a WMS server and I am using it as a basemap in a flex viewer app. In order to speed up rendering time I need to cache this. However I have been unsuccessful. After the ...
5
votes
1answer
3k views

'invalid url' on ArcGIS server REST API

From time to time, the services on our ArcGIS server will not be available, and when requesting tiles, I will get a 'invalid url'. This is okay, sometimes it is scheduled downtime, maintenance or just ...
7
votes
3answers
14k views

Clearing cache memory using python?

In this script I use 2 nested 'for' loops to extract a series of variables by month (month = 0 - 11) from 5 netcdf files and then mosaic together each extracted variable. The script runs but after ...
2
votes
2answers
2k views

How to cache online tiles on a development machine?

I am developing a slippy map web application using openlayers. Right now my tiles come straight away from OSM and google, etc. For the moment I always work on the same area for development purposes ...
5
votes
2answers
3k views

How to serve local maps for an offline HTML5 webmapping app?

How could one serve maps (tiles in wherever format possible) within a Android device to be consumed by an offline webmapping app also accessed within the device's browser?
3
votes
1answer
1k views

How to increase performance of tile caches if vendor parameter filters are needed?

My application uses vendor parameters to filter the data. It takes some time to generate all tiles on the server. Therefor I'm trying to increase the performance of the application. I'm using ...
6
votes
1answer
1k views

Clearing map cache - ArcGIS Engine

Is there a programmatic way to clear the cache of a map in ArcGIS Engine 10.0? It is apparent that there is some caching scheme operating under the covers, and I'd like to clear all of its cached ...
2
votes
1answer
237 views

Why is my DEM not caching correctly?

Relating to a previous post, found an excellent source for data called Koordinates. I downloaded this 5m DEM of New Zealand, Wellington. This is in a TIFF format and I have added to ArcMap 10, ...
5
votes
4answers
6k views

Creating Local Cache From ArcGIS Online Basemaps

I am contemplating creating a local caches from the standard ArcGIS Online Basemaps; streetmap, imagery and topo. I need to do this because the environment the web application will be hosted is DOES ...
8
votes
2answers
2k views

Where is feature cache in ArcMap for ArcObjects to access?

It seems that ArcMap keeps a cache for every layer which contains features data and every time wants to refresh layer or apply a change, uses this cache. As I found, when ArcMap wants to draw a layer ...
2
votes
2answers
2k views

How do you publish map caches from ArcGIS Data and Maps for Server?

I haven't published ESRI-supplied data before, but I followed the instructions that came with the Data and Maps for ArcGIS Server 10. When I view the supplied MXD file for a map cache, it's just a ...