The process of generating an image from a model.

learn more… | top users | synonyms

0
votes
0answers
10 views

Label rendered with empty features using geotools

I am using geotools to generate some images based on the shapefile data, it works well until I tried to add labels for the line features: the labels are rendred even there is no features in the ...
0
votes
0answers
11 views

Rendering textured city models along with depth information at arbitrary camera positions/translations [closed]

I'm trying to render (as realistically as possible) many different viewpoints of a city using a script. I'd like to be able to place the camera anywhere in the outdoor physical world (ie. not inside a ...
0
votes
0answers
8 views

QGIS colors not rendered accurately

After installing 2.10.1-Pisa, a very annoying problem suddenly appeared. As you can see, colors in the left sidebar are not rendered correctly in the main window (nor in the print manager). Instead, ...
3
votes
1answer
64 views

qgis 2.10.1. mac - geotiff singleband pseudocolor [duplicate]

i've installed mac version from kyngchaos including all required packages ... ... and just noticed the following: while windows version behaves like expected when trying to render an ordinary tif via ...
0
votes
0answers
8 views

Problem on displaying a layer in overlay on a s57 map

I am loading a s57 file, I select only some layer to be displayed. I am under QGIs 2.8 At this point it is ok, the coordinatereferencesystem is EPSG4326 WGS84 and at the bottom of the windows of qgis ...
0
votes
1answer
35 views

How to optimise rendering of layer-groups in Geoserver

I am running GeoServer 2.8 on Ubuntu 14 as a WAR in Tomcat 7. I have an 8 core machine with 16GB of RAM and have allowed a generous Heap size of 4GB. I have JAI installed and enabled. Meta tiling ...
0
votes
0answers
13 views

Problem with VectorLayer created in memory

I am working in c++/QT whithnthe qgis API c++ I had to build a personnalized vectorlayout called "TRACKS" , so i write a function that create in memory the vectorlayer like this : QgsVectorLayer ...
0
votes
0answers
15 views

Need help on how to move a symbol over a map

I'm working in c++/qt and the c++ api qgis 2.8.2 In my application i load a map with a s57 file, this part works perfectly, now i need to make some plot representing different object like boat, plane, ...
0
votes
0answers
29 views

Rendering Problem: OpenStreetMap Server CentOS 7

The Problem I'm trying to install an OpenStreetMap server on CentOS 7. I'm using mapnik 2.2.0 and PostGis 2.0. When I try to render the tiles for the server I get the following error: ...
0
votes
0answers
12 views

How can I extract the latitude and longitude from a s57 File [duplicate]

I had to extract the longitude and latitude from a s57 file, in order to superpose a satelite view from the same point. These coordinate will allow me to get the exact position on google map by ...
0
votes
0answers
28 views

Compiling mod_tile problem

I wanted to build my own tile server as written on switch2osm site. In short: render is not happening (more details you can find here). Seems that mod_tile is not installed correctly. First it gave ...
3
votes
2answers
71 views

How to create a dashed polygon border in C++?

In my maps I have a symbol, his type is polygon, I want to change the line style of the border, actually is solid , I had to put it in dash Is there a simple way to change it ? i think to the ...
1
vote
1answer
30 views

Rendering of SVG for layer symbols using QGIS?

I have a little problem with the rendering of SVG for layer symbol. I want to creeate a categorized symbol to show different style of buoy I have for that two icons the first is an half circle ...
0
votes
0answers
12 views

Problem on rendering categorizedSymbolRendererV2

Finally my code works but the renderering display just one color instead of 4 I don't know why, I follow the sample code of the snorf.net website and the sample code in the qgis python programming ...
0
votes
0answers
50 views

GeoSever PointStacker Renders incorrect position

I've been trying the GeoServer Rendering Transformations - Point Stacker. According to this docs there's an optional cellSize parameter for setting the "Size of the cells in which to aggregate points, ...
0
votes
0answers
24 views

help for rendering s57 file

I am working on a specific project based on QT 4.5 and QGis API C++ 2.8.2 I have a S57 File, I want to load it, and render it into a canvas My canvas is created, the build and link is ok,no error, ...
1
vote
0answers
65 views

How to wait for mapCanvas render before taking a screenshot?

i am trying to iterate over a large list of features and making a screenshot of the selected feature. My problem is that it seems to be a delay between the refreshing of the canvas and the taking of ...
0
votes
1answer
75 views

Map Not rendered Leaflet but renders correctly in changing the zoom level of browser

I am loading a leaflet map rendering mapbox tiles, geojson layers (initially i dont show the map) and i also have tabular links which can be seen when the page loads, the links are list of places and ...
0
votes
0answers
39 views

ArcGIS Desktop: Not Rendering Line Data but Web Service Outputs Fine

I have some script which read .JSON files through .NET and then inserts the data into a SQL Server database. The data's Geometry is of the type esriGeometryPolyline ; basically, they are floor plans ...
0
votes
0answers
12 views

More Mapnik Servers for serving a large area?

As you may recall, I had some problem with the Mapnik toolchain about serving the whole planet. I was thinking about this idea: if I divide the world in 4 macro-areas (like Cartesian quadrants on ...
0
votes
0answers
12 views

How to render visualizations for geospatial objects (the way QGIS does it) on web interface for end users, from PostGIS database? [duplicate]

I have existing geospatial objects in PostGIS. I can visualize it using QGIS. But I want to render these visualization on a web-interface for my users as a result of some queries in the database. I ...
0
votes
0answers
91 views

Mapnik / Renderd / mod_tile rendering too slow

I've a little problem showing map tiles. My website during development/testing was using OSM, but we will going to production, and we want to serve the tiles without using OSM server no more. Using ...
0
votes
1answer
67 views

renderd not rendering

I followed the instructions manually building a tile server and ran in some problems. When entering http://localhost:8080/osm_tiles/0/0/0.png renderd shows this: renderd[263]: DEBUG: Got incoming ...
0
votes
1answer
62 views

How to solve rendering in arcscene?

Is there some way to "repair" rendering in ArcScene? As you can see on the picture some of the polygons are not rendered correctly it's probably because polygons are overlapping each other. In arcmap ...
2
votes
1answer
86 views

Max Zoom Level in Mapnik

A question regarding mapnik: Is it possible to configure a custom max. zoom level? I am trying to find a way to get mapnik to render tiles for zoom levels 20+ (till 28 would be nice). PS: The ...
1
vote
1answer
54 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
15 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
23 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
92 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 ...
3
votes
3answers
97 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
25 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
102 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
56 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
55 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
84 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
22 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
23 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
118 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
267 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
69 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
193 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
49 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
83 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
74 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
61 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
3answers
218 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
136 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
124 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
319 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
65 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 ...