The process of generating an image from a model.

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9 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 ...
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0answers
38 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, ...
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0answers
12 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, ...
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0answers
56 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 ...
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1answer
49 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 ...
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35 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 ...
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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 ...
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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 ...
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52 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 ...
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1answer
46 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
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1answer
51 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
56 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 ...
0
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1answer
50 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 = [] ...
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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: ...
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0answers
19 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
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1answer
77 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
80 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
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1answer
22 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 ...
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0answers
88 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 ...
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53 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., ...
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0answers
46 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
80 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 ...
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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 ...
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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
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1answer
105 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 ...
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1answer
232 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, ...
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1answer
60 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
172 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 ...
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0answers
46 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
78 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
66 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 ...
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0answers
56 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
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3answers
176 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
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0answers
128 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
108 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 ...
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0answers
279 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
60 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
606 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
169 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
74 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
58 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
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0answers
68 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
58 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
93 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
48 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
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0answers
39 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 ...
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0answers
87 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
23 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
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0answers
88 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
90 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 ...