The process of generating an image from a model.

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-1
votes
1answer
13 views

QgsComposerMap does not fit extent

Please help me to fit the map extent into de qgscomposermap size. printable_layers = QgsMapLayerRegistry.instance().mapLayers().values() printable_layers_ids = [] ...
0
votes
0answers
13 views

Improving Global Scene transition when changing location using bookmarks in ArcGIS Pro?

Using ArcGIS Pro 1.0.0 I have: Created a new project using Global Scene.aptx Switched the Basemap to National Geographic Navigated to and created Bookmarks for some countries of different sizes: ...
0
votes
0answers
13 views

QgsMapCanvas render is very slow

I use QgsMapCanvas in my C++ application. When I add my layers to project in QGIS (2.6.0) they are rendered quickly (I use PostGIS to store the data). But when I load the same layers in my application ...
0
votes
1answer
37 views

How to convert citygml fo KML?

I am trying to render citygml files. I am using NWW for rendering purpose. I have used citygml4j library to extract the GroundSurface, roof, and walls geometry, and was able to render them. But due to ...
2
votes
3answers
55 views

GeoJSON Rendering in Leaflet

I have published a wms using the QGIS Cloud and on top of it I am overlaying the same data (countries of Europe), using GeoJSON. Have a look at an example here: http://jsfiddle.net/j21kh7ao/ At a low ...
0
votes
1answer
17 views

Rendering thumbnails of a GPX track with my own tiles as base layer

I created my own Map using Tilemill. Now I'd like to display thumbnails of a GPX track where my map is the base layer. Do you have any idea how to do this performantly? I wrote a script that does it ...
1
vote
0answers
44 views

How to create 3D globe images highlighting a specific country or 2D country map with capital?

I am building an Anki flashcard set that should contain country flags, names and (ideally) a 3D globe with the country outlined, as can be seen on Wikipedia. I've already completed the part that ...
0
votes
0answers
45 views

In OpenLayers, the strokeDashstyle property does not work in WFS when the renderer is Canvas

I have a wfs layer, i.e. a vector layer with wms data on in. I want to be able to apply the strokeDashstyle property on the features. Somehow this only works when I disable the Canvas renderer, i.e., ...
0
votes
0answers
35 views

Problem rendering raster in QGIS

I have a problem with some Landsat 8 bands combination. I created a multiband (1 to 7) file in order to avoid the creation of several files with combinations and instead, have all the bands in one ...
2
votes
1answer
62 views

How to suppress polygon boundaries shared by objects of same type in QGIS?

Given polygons - like landcover in OpenStreetMap or street areas in cadastre - how can one suppress those polygon boundaries which are shared by objects (features) of same type in QGIS (see figure ...
0
votes
0answers
21 views

Refreshing QGIS view [duplicate]

I've written a short python script for use in QGIS (currently using 2.8.1) to set the CRS for all loaded layers to OSGB 1936 / BNG. The script correctly sets the CRS but I have to manually scroll ...
0
votes
0answers
21 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 ...
1
vote
1answer
61 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 ...
1
vote
1answer
137 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, ...
0
votes
1answer
41 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 ...
2
votes
1answer
111 views

How to save the Map Canvas as PNG with transparent background programmatically?

I wrote a script to create a big number of heatmaps for a given scenario. I would like to save the result of every heatmap as a png image. I have figuered it out doing it with simple Map Rendering but ...
0
votes
0answers
34 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 ...
3
votes
1answer
69 views

What is the replacement for 'setColorShadingAlgorithm' in QGIS 2.6?

I have been struggling with setting the colorshadingalgorithm for a raster layer in QGIS with no success for the past few days. The QGIS cookbook seems to be pretty outdated. Anyways, the code that I ...
0
votes
1answer
52 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 ...
1
vote
0answers
44 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 ...
4
votes
2answers
92 views

Shapefile layers in QGIS don't display unless I zoom out

I have two shapefile layers in a Qgis project that have problems with zooming. One is a line I copied/pasted in a new layer from a set of height contours and the other one is a polygon layer I created ...
0
votes
0answers
89 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 ...
1
vote
1answer
74 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 ...
0
votes
0answers
184 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 ...
1
vote
1answer
46 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 ...
0
votes
2answers
358 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 ...
3
votes
3answers
141 views

Rendering local osm files android dev

I'm development an android app for navigate inside the university campus, it's my graduation project :). I did the campus map with Josm, now I have it in .osm I found many libraries and frameworks ...
0
votes
1answer
57 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 ...
1
vote
1answer
54 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
56 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
vote
0answers
52 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 ...
3
votes
0answers
85 views

arcpy.mapping.ExportToTIFF fails to render layer?

Has anyone else had this problem? I have an mxd file with two layers in it, one of which is fairly 'heavy' (i.e. takes a minute or so to draw). All layers are visible by default. I have the ...
1
vote
3answers
37 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 ...
0
votes
0answers
29 views

Cumberland C sharp .net mapping framework. Render a map on a picturebox and retrieve coordinates

I'm using this open source project to manage my cadastral maps and show them on a win32 C sharp application. https://code.google.com/p/cumberland/ I managed to draw the map on a picturebox, panning ...
1
vote
0answers
64 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
vote
0answers
21 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 ...
0
votes
0answers
78 views

Mod Tile Cache Size

I am using Mod Tile, Renderd and Mapnik to creat a Tile Server. My question here is, does mod_tile have specific limits for the cache size? If yes, where can it be configured. And what mechanism it ...
4
votes
2answers
86 views

QGIS renders outlines where none should be

QGIS always renders the borders of a feature polygon. How can I disable this? Even if I set Border style to "No Pen" and the colour is exactly the same for different categories there is a small grey ...
3
votes
1answer
74 views

Problems while rendering with Atlas

when I export my data genereated with the openLayers using Atlas rendering is always incomplete. Atlas is rendering too fast so that the data from openLayers is not completely loaded. Do anyone ...
3
votes
1answer
93 views

OpenLayers.Renderer.Symbols custom named by function

Is there any approach to define custom OpenLayers.Renderer.symbol by a function? For example, instead of making a symbol for each 3-pointed, 4-pointed, 5-pointed etc. star ...
2
votes
1answer
121 views

QGIS way to import OSM/Google Maps but remove or exclude extraneous areas, limit geographically the use of OSM

GIS Newbie question, perhaps: But I am looking to place an Open Street Maps/Google Maps layer underneath the rest of my shapefiles for referencing purposes. Let's say for instance, that I am looking ...
1
vote
0answers
83 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
vote
0answers
77 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
vote
0answers
49 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 ...
5
votes
2answers
283 views

Leaflet: How to enable pan & zoom while GeoJSON still rendering?

I've overlaid a huge GeoJSON geometry on top of my Leaflet map, covering about 20 countries' borderlines (about 1,5 million vertices) using "L.geoJson". Each time I zoom in/out, the computer has to ...
1
vote
0answers
75 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
vote
1answer
168 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 ...
0
votes
1answer
608 views

mapnik rendering with OSM Carto style

When I want to make png tiles that look like ones in osm tile server what I need to do? Do I need to import data to postGIS db somehow WITH osm Carto style or I can just import it "normally" w/o ...
0
votes
0answers
208 views

Geojson not rendered with Mapnik

I am trying to generate a tile with Mapnik with a GeoJSON. The stylesheet.xml with the part to render the GeoJSON is the following: <Style name="cities" filter-mode="first"> <Rule> ...
0
votes
0answers
8 views

Is the label engine or data server responsible for reducing the number of features

We are working on an android application which load vector features from the server and render(with labeling) them in the client. Since there maybe a lot of features in a single viewport, so the map ...