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Questions tagged [tiling]

The tag has no usage guidance.

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0answers
18 views

Buggy intermediate datasets in map algebra

I created a for loop to perform a (simplified here) series of operations over tiles from a larger dataset. My initial code looked like this: ext_template = bingmean_odd totalextent = arcpy.Describe(...
3
votes
1answer
67 views

Optimum raster tile size

I am wondering if there is an optimum raster tile size when using -t in raster2pgsql. I am setting -t auto and it creates thousands of tiles and takes hours to load. I am working with very large ...
0
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1answer
113 views

Tile large raster file in QGIS [duplicate]

I have a raster file of 1600 km2 with cell size 2x2 m that I need to polygonize and the script takes a really long time to finish (>25 minutes, but I don't know how long it effectively takes, since I ...
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0answers
63 views

Tiling large single GeoTIFF raster into smaller GeoTIFF tiles? [duplicate]

I have traditionally used proprietary software tools for tiling raster datasets but I am keen to explore the open source solutions as well. Are there any open source solutions that can easily tile ...
1
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1answer
123 views

Add a NoData buffer to a raster with rasterio

I am currently trying to extract Web Mercator tiles from a Geotiff raster using rasterio VRT (version 1.0rc5). The tiles sometimes exceed the extent of the raster, which causes me trouble. Reading ...
3
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2answers
268 views

How to use geowebcache seeded tiles with a custom projection (EPSG: 27700) in openlayers

I have been using Geowebcache inside Geoserver to seed tiles to improve wms performance when using Openlayers to great effect. This has been working well with EPSG:4326 layers, I use the EPSG:4326 ...
2
votes
1answer
315 views

Make the QGIS Print Composer take WMS maps from a specific zoom level - .png AND georeferenced image

I want to create a .png print with a world projection file from a specific WMS. The WMS in question is Polish national Geoportal service containing hypsometric data. Here's the WMS adress: http://mapy....
4
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0answers
367 views

Construction of R-tree data structure for tiling polygon vector data

Because it is better for irregular distributed data, I want to create tiles using r-tree for my dataset. My dataset consists of 1214 polygons which represents building foorprints. After doing some ...
2
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1answer
245 views

Where is Tile Map to Printer Paper Option in ArcGIS Pro?

Where is the Tile Map to Printer Paper Option in the print interface of ArcGIS pro? I need to print a 96x96 map in three 36x96 sheets. I included a picture of ArcMap 10.4 to show the tiling options ...
1
vote
1answer
967 views

How to implement tile caching a WMS vector layer and use that cached tiles with leaflet?

I have created a vector layer using GeoServer. Now, i have a GeoServer WMS for that layer. I would like to implement tile caching. I tried TileCache tool. But i have encountered a problem then i asked ...
1
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1answer
90 views

Disable tiling when Mapserver requests layers from external WMS server

We use Mapserver to create a composite of multiple layers from another WMS server. We noticed that a single request to Mapserver creates multiple requests to the "upstream" WMS server. Apparently ...
4
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0answers
413 views

Math domain error in slippy tiles generator

I'm running Alexander Hajnal's Python module (http://alephnull.net/software/gis/tile_writer.shtml) in QGIS (2.14.3, Win10 64) and I'm using the EPSG:3857 as crs. I got this error: "Traceback (most ...
3
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0answers
121 views

Avoid multiple labeling in qtiles / QGIS

After failing to start the slippy map tiles generator .py module (where to put globalmercator.py...?), i tried this plug-in. How can i set qgis(2.14), to not move labels, as the tile generator moves? ...
1
vote
1answer
523 views

Leaflet GridLayer Vector Slicer with GeoDjango GeoJSON DOM

Overview I am trying to use Leaflet's GridLayer Vector Slicer to split up a geojson with complex geometries being passed to my webmap via GeoDjango. I can't seem to get the tiled GeoJSON to display, ...
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2answers
2k views

Tiling GeoJSON data?

I have a GeoJSON dataset of the following format (LineString features): { "type": "FeatureCollection", "crs": { "type": "name", "properties": { "name": "urn:ogc:def:crs:OGC:1.3:CRS84" } }, "...
4
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2answers
3k views

Display tile grid borders with leaflet (visual debugging)

I'd like to have the tile grid borders displayed on a leaflet WMS Layer in order to see which areas are requested as separate maps. On top of that it should be possible to overlay a border to the ...
2
votes
1answer
812 views

How to split a geotiff into a standard tiling scheme with Geotools in Java

I would like to tile random geotiffs to a standard grid, with a standard size of 256X256 using Geotools in java. My use case is as follows: I receive a "stream" of raster data in the form of multiband ...
1
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2answers
100 views

Tiling automation of landsat 8 images?

I have a grid (can be in shapefile and can be also in coordinates) and I need to know how can I create tilings with it to Landsat 8 images (16 bit images), selecting the output tile size, the overlap. ...
2
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2answers
542 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 ...
2
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0answers
94 views

Generating Tiles for Non Geographic Datasets [closed]

Excuse my ignorance if this exists. I don't think I've seen a website ever using something like this. Have tools been developed that use general tiling methodology to implement non-geographical data ...
2
votes
1answer
442 views

GeoServer raster tiles are individually contrast-balanced: how to turn this off?

I'm running GeoServer locally as a servlet (in JBoss), and I'm serving a GeoTIFF file through the WMS protocol. In a webpage running an OpenLayers map, I have the GeoTIFF-WMS layer overlaid above an ...
1
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1answer
1k views

Architecture for serving OSM-Mapnik Tiles

I am currently trying to set up a Mapping-Service for serving OSM-Mapnik Tiles. In my project we want to use the Mapnik-Layer as a BaseLayer for our GI-Application. I am quite new to Mapnik (only used ...
3
votes
2answers
1k views

Tiling from complex, multi-step GDAL VRT?

I've got 1002 ~100 MB (5000'x5000') .tif files in a state plane (transverse merc) projection comprising a county-wide, 1-ft aerial dataset. After two days, gdal_merge.py is only at 93 of 1002. And ...
4
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0answers
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 ...
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
406 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
3k views

google maps tiling scheme index grid

I have a need to cut tiles from a raster with bounds that result in no partially filled tiles at a particular zoom level (no transparency or black/white areas). First thought was to overlay an index ...
1
vote
1answer
368 views

Which is better for tiling: raster2pgsql or GeoWebCache?

We have some raster image data stored as GeoTIFF which we would like to make available online as an overlay using the OpenGeo framework. As the data covers only a spatially restricted area and we don'...
3
votes
2answers
616 views

How to antialiase tiles when seeding a layer from an GeoTiff in GeoServer

I have an GeoServer running that uses GeoWebCache. As a data source I use a 1.5 GB big map for a layer. The outcome of the tiling and scaling are very rough looking tiles. Is there a way to ...
13
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2answers
7k views

GeoServer: Best way to publish 2500 TIFF or 71 ECW files?

I have ortophotos of an area that I need to serve as a background map for my vectors. I got it as 2500 files (71,5MB each) in raw TIFF format with corresponding TFW word file - 180GB of data. ...
1
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1answer
418 views

GDAL Tiling, Missing Tiles

i have used gdal2tiles.py for tiling about 100 tiff tiles which i have generated virtual dataset with gdalbuildvrt for my 1:250.000 scaled maps... everything goes well from 15 to 11, but when it ...