The process of generating an image from a model.

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2
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0answers
211 views

How to use CropCoverage Render Transformation in Geoserver SLD (WPS)? [closed]

I have yet to find an example on the web (or in code) of anyone using the "Crop Coverage" Render Transformation from a Geoserver SLD. Does anyone have an example or at least be able to point me to ...
2
votes
0answers
173 views

Rerendering OpenLayers in JSF2

did anyone try rerendering OpenLayers in JSF2? I am using a4j:ajax events, I mark the render atribute with render="map" where map is naturally the id of the openlayers div tag, and I use ...
2
votes
0answers
573 views

Implementing custom IRenderer for ArcGis 10.0/WPF

EDIT: Updates in the bottom As a followup to my earlier question, I'm trying to implement custom symbol rendering for my WPF/ArcGIS application. I'm accessing layers that have been published on the ...
1
vote
1answer
262 views

How to automate creation of PNG maps using Python?

I have a project with 50 vector layers and I have done custom styling for them. Now I want to make around 30 png files with different xmin, ymin, xmax, ymax. The output size (png) should be width ...
1
vote
2answers
533 views

Need help getting started with QgsComposition

I am using QgsComposition for the first time, but I fail at the first step :-( mapRenderer = iface.mapCanvas().mapRenderer() line 31, in mapRenderer = iface.mapCanvas().mapRenderer() ...
1
vote
2answers
56 views

QGIS 2.0 How can i get a precisely Rendering time?

I work with QGIS 2.0.1. I have a large number of raster data files and i selected different methods to represent them. Method: Import all raster data as individual files Method: Generate a single ...
1
vote
1answer
1k views

Why won't GeoServer render my SVG symbols?

I'm trying to use GeoServer to render a point layer with custom symbols. This worked perfectly well when my symbols were PNGs, but we haven't decided exactly what size our symbols should be, so I ...
1
vote
2answers
1k views

Using render_list to render only map extract

I am trying to render an area where I have added an extract from the planet file with render_list. The command I am using is render_list -x 159 -X 179 -y 160 -Y 410 -n 2 ...
1
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3answers
31 views

Tilemill didn't render streets correctly, some parts are missing

can someone please explain me what's happend in the picture below or how i can debug what's going wrong? I downloaded some .osm.pbf files imported the files via osm2pgsql into a postgis database and ...
1
vote
1answer
115 views

Labels appear and disappear for no apparent reason using QGIS?

I'm going through the Alaska sample data tutorial for QGIS 2.2.0. Some of the lake labels appear and disappear at different scales when zooming. At 1:314,460 Becharof is visible, but Lower Ugashik ...
1
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2answers
326 views

QGIS: drawing order of lines and polygons (line between polygon)

I have 2 layers. One with forests and lakes (polygon) and one with rivers (line). Now I want the features to draw in that order: The river have to be UNDER the LAKES and the forest have to be UNDER ...
1
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2answers
866 views

Can you reorder a classified vector layer in QGis?

I have a GML file that I'm displaying in QGis - it contains a set of contours and they are written out in such a way that the lowest contour (largest polygon) is drawn last thus covering up all the ...
1
vote
1answer
31 views

Unable to find either renderd.py or generate_tiles.py

We created a Ubuntu 14.04.1 LTS x64 OSM tile server from packages using the excellent instructions provided by http://switch2osm.org/serving-tiles/building-a-tile-server-from-packages/ The tile ...
1
vote
1answer
463 views

Setting a renderer that uses a function for a dynamic layer in ArcGIS JavaScript API

How can I, if possible, set a renderer for an ArcGISDynamicMapServiceLayer which uses a function to determine feature values instead of just attribute values? When using the following code, the ...
1
vote
1answer
287 views

Mapnik render Error : Could not create datasource for type 'postgis'

I try to use mapnik render for a tile server. During the initialization 'renderd -f -c /usr/local/etc/renderd.conf', the following error message is displayed : An error occurred while loading the map ...
1
vote
1answer
48 views

Firefox and D3: Zoom + Pan bug

I have a simple code here some map with zoom+pan effect. It work fine on Opera, Chrome even IE. But Firefox do not show it.- If you open "Inspector" panel, you'll see has same values (translation, ...
1
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0answers
22 views

Displaying a Digitial Elevation Model using GRASS GIS draped by an RGB Raster

I have the following: Digital Elevation Model from SRTM LANDSAT Imagery from the same area I wish to display the DEM draped with the raster band combination (3,2,1) using GRASS GIS. My ...
1
vote
1answer
36 views

OSM Tiles slow at low zoom levels

We have built an OSM Tile Server following the instructions at http://switch2osm.org/serving-tiles/building-a-tile-server-from-packages/ We have imported planet_latest.osm.pbf. Our server renders ...
1
vote
1answer
45 views

Geoserver strange inverse polygon rendering

I found strange behaviour of rendering one particular polygon on Geoserver. Red polygon in the link. If you compare SHP data from ZIP file in some desktop software like QGIS and rendering from ...
1
vote
0answers
41 views

Geoserver does not render polygon properly

I am trying to a get polygon layer from CSV file. I chose to do it via rasterization and polygonization in QGIS, howerver, Geoserver has problems to correctly render some polygons. This is how the ...
1
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0answers
48 views

Rendering process failed null

I published a polygon shape file with default polygon sld , while in preview when I click on feature it shows the error rendering process failed null.Please explain what is this error, what i have yo ...
1
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0answers
19 views

How to know which Tiles build a rendered Image obtained by a Map Query?

as Test Purpose for my app, I want to know exactly, which Tiles were used to render the result image I get by query. I.e. I want to see a bounding box of 500px*300px with zoom 13 of Location ...
1
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0answers
70 views

Mapnik PGRaster Plugin creating 8x8 tiles with visible boundaries

I have used the latest addition to Mapnik PGRaster plugin (https://github.com/mapnik/mapnik/tree/2.3.x) by Strk(https://github.com/strk/mapnik/tree/2.3.x-pgraster) and merged recently. I am able to ...
1
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0answers
66 views

Rendering a geotiff block with gdal and gdk-pixbuf - Some flaws in the result

I currently try to render a geotiff file with GTKmm\GDKmm (gdk-pixbuf). The file is a tiled geotiff with a block size of 256*256 and three rasterbands. The shortened gdalinfo output is: Driver: ...
1
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0answers
43 views

Features in .shp can't be identified & won't render

Using QGIS 2.4.0 on Windows 7 Service pack 1. I have several .shp's, all polygons, that give me the following problem: 293 features are listed in the metadata and shown in the attribute table but the ...
1
vote
0answers
70 views

Java library for rendering

We have some shapefile data and we tried to render them according to scope (boundingbox) from user. For example, the client may send request like this: ...
1
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1answer
201 views

mapnik generate_tiles.py error using .xml from TileMill

I wanted to render png tiles (like form tile server of osm). I made postGIS db, succesfully run TileMill with OSMBright style. I read that I need now export mapnik xml from TileMill. I checked Mapnik ...
1
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0answers
112 views

ArcGIS JavaScript manually render a layer with supplied JSON

Given the following JSON which is retrieved outside the ArcGIS/dojo framework, how would I go about rendering this layer? Thanks in advance! { "currentVersion": 10.01, ...
1
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0answers
162 views

How to create a color ramp to change the color of a svg image in arcgis javascript api

I have a svg image to create a PictureMarkerSimbol for a feature. How to create a color ramp to change the svg color based on a criteria, like a attribute on my feature? The ideia is like that: var ...
1
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0answers
88 views

GeoExt Feature Renderer

I am working with OpenLayers and GeoExt and I have the following problem: I have a point vector layer and I want to create a style that contains 2 symbolizers. In this example they show how this ...
1
vote
0answers
70 views

Get layers and apply renderer to layer list from SDE ArcMap

I have the code that gets the layers from SDE, but when i add them to the map they have a different symbology. there is about 80 layers and i am accessing the SDE by getting the workspace from a ...
1
vote
0answers
72 views

esri.tasks.GenerateRendererTask for non 10.1 ArcServer

I wish to use the same features as the esri.tasks.GenerateRendererTask but it seems that it can be only used on ArcServer 10.1. Is it possible to achieve the same dynamic natural jenks breaks in the ...
1
vote
0answers
196 views

How Do I Capture when the Cluster Rendering is Completed

I have a graphics layer that draws clusters using the sample custom cluster from ESRI. http://help.arcgis.com/en/webapi/silverlight/samples/start.htm#CustomClusterer We have a Busy Indicator that we ...
0
votes
1answer
89 views

How can i stop rendering Qgis

In my python plugin ,i select features from a vector layer dynamically using a loop and executing : VectorLayer.select(feature.id()) when i start the loop, the selection become very slow because ...
0
votes
1answer
318 views

Does tile server renders every request?

I am trying to understand how tile server handle requests. I red about Mapnik which "creates" the map using OSM, Does "creates" means that every request is rendered and returned? If yes what is the ...
0
votes
1answer
160 views

openlayers 3 ol3 - how to redraw a single feature

I would like to be able to trigger rerendering of a single feature after a user has clicked on it. (I can catch the click and update the metadata that feeds the styling function, but I am then forced ...
0
votes
1answer
172 views

QGis: scripting the map rendering (multiple similar maps from one shapefile)

I would like to ask for advice on creating a Python script that will provide the opportunity to render a plenty of similar maps (with the same extent, projection, layout, color scheme and composition, ...
0
votes
2answers
934 views

Vector Tile Rendering on iOS

I'm developing an iOS app for displaying my own custom map data (on GeoServer). The SDK I'm using to display my map is route-me (Alpstein fork) as the map viewer for now. route-me supports raster ...
0
votes
1answer
177 views

Geodjango render_to_kml Multipolygons - Can be fast or faster as WMS?

I am learning now geodjango. I made basic web app with postgis database. With openlayers iam displaying basic wms map and I want to add other layers from my postgis database. I use render_to_kml ...
0
votes
1answer
259 views

Rendering layer in ArcMap using ArcObjects and Python?

I succesfully wrote a script to render a Uniquevaluerenderer in a layer in ArcMAP using symbols from 4 parameters (values) read from the attribute table of the layer. I used ArcObjects and VBA, but ...
0
votes
1answer
168 views

Joining intersected polylines using rules based rendering [duplicate]

Possible Duplicate: Setting rendering order of line layers in QGIS I have trouble getting two intersecting polylines to look like they were joined at rendering. I am using rules based ...
0
votes
0answers
12 views

Make geoserver to send the WMS request when the user is idle for some seconds

I see in the geoserver admin page that there are three difference methods for Raster Rendering (bilinear, bicubic and nearest neighbour). Loading my WMS layers using openlayers and then zooming and ...
0
votes
1answer
20 views

OpenLayers measure map rendering time

I am using OpenLayers version 3 (answers with ver 2 are also OK) and want to measure how long it takes to render the vector layer. So, I have a vector layer with features: var vectorLayer = new ...
0
votes
1answer
16 views

Planet or regions offline maps between two zoom levels

I need offline maps to be included in the application I am developing. I decided to use marble https :// marble.kde.org/ to do this. Marble uses openstreetmap tileserver (among others). What I need ...
0
votes
0answers
19 views

Library to render 3D DEM?

I am implementing a C++ application to generate DEMs from LAS files, and I want to show a 3D visualization of the DEM (show the terrain model, height differences using colors, contour curves...) Is ...
0
votes
1answer
31 views

Dynamic rendering on a layer with a long SQL query

I have a question on dynamic rendering with the cartodb APIs. These APIs are new for me. Data is a big layer stored in cartoDB (about 30 000 polygons). In my application the default rendering of ...
0
votes
0answers
41 views

Changing OSM Meta Tile Cache Location

We built an OSM Tile Server following the instructions at http://switch2osm.org/serving-tiles/building-a-tile-server-from-packages/ The Ubuntu OS and the Tile server database are on a 1 TB SSD which ...
0
votes
0answers
57 views

OSM Tile Server: How to avoid 404 errors?

We have built a OSM tile server with the following hardware Make: Dell Model: PowerEdge T110II RAM: 16GB HDD: 1TB RAID 1 using the excellent instructions provided by ...
0
votes
1answer
29 views

error while starting render on startup

i have configured a tile server by following the switch2osm in the last step for starting the render automatically on startup if i start the render as below vars.sh is missing $ sudo ...
0
votes
0answers
42 views

QGIS Atlas web layer rendering - how can I slow it down?

I cannot get Atlas to export maps with web layers correctly. When I look at the preview within composer everything works fine. When I export an atlas the first page renders ok but for subsequent ...