Questions tagged [cesium]
Cesium is a JavaScript library for creating 3D globes and 2D maps in a web browser without a plugin.
223
questions
0
votes
0
answers
19
views
Cesium; No Geoid Terrain service provided - no geoid conversion will be performed
I have this Cesium JS (v1.103) in which I tried to plug an existing I3S service, but it's not working:
const viewer = new Cesium.Viewer("cesiumContainer");
let i3SData = new Cesium....
- 9,111
0
votes
1
answer
22
views
“CZML” extrude animation error
I wrote the code like this in Cesium 1.100 version.
the corresponding time and polygon are recognized, but the height is not recognized. how can i solve it?
let czml = "";
setInterval(...
- 11
1
vote
0
answers
53
views
Animating GeoJSON or KML file in Cesium [closed]
https://sandcastle.cesium.com/?src=GeoJSON%20and%20TopoJSON.html
I just saw the custom style part of this example.
I made a part of a region into a realm.
https://sandcastle.cesium.com/?src=CZML%...
- 11
0
votes
1
answer
80
views
3D Extruded LINESTRING exports invalid geoJSON
I am using postGIS and want to create cube from a 2D linestring. I use the ST_Extrude option to create the 3D polygons and combines these with the ST_AsGeoJSON operator to export my individual ...
- 11
1
vote
0
answers
43
views
How to partly update Cesium mesh terrain dataset?
I started working with mesh terrain to feed cesium and I have a doubt. I have generated the entire planet using the SRTM1 DEM dataset. Now, I would like to generate a more detailed view for zoom 13/14 ...
- 11
0
votes
1
answer
79
views
OL-Cesium Uncaught (in promise) SyntaxError
Trying to implement OL-Cesium as an ES6 library following instructions here: https://openlayers.org/ol-cesium/apidoc/#as-an-es6-library-recommended-method
Running locally for now and getting the ...
- 123
0
votes
1
answer
315
views
How to set GeoServer as source in Cesium for Unreal
In GeoServer, I've created a workspace, store, and layer so that I can see the layer preview of the map imagery I want to serve to Cesium for Unreal. Over in Unreal Engine, I have a Cesium3DTileset ...
- 101
0
votes
0
answers
159
views
Optimization of geojson data in Cesium viewer
I am trying to build an application that shows a globe with country borders along with US state boundaries. For US state boundaries, I follow https://eric.clst.org/tech/usgeojson/ and World country ...
0
votes
0
answers
67
views
Display custom attributes for Cesium OSM Buildings
I would like to add some custom attributes to Cesium OSM buildings and show them when the building is clicked.
So far, my understanding is that I would need to create a shapefile with the custom ...
- 101
0
votes
0
answers
38
views
Host .tfw files and images on local MapProxy server
I have a collection of files as PNGs and .tfw buddy files. How can I add them to my MapProxy server in order for Cesium for Unreal to fetch?
I've read the MapProxy installation & configuration ...
- 101
0
votes
0
answers
86
views
Glitch in cesium clustering
There is problem witch rendering label for clustered points with billboards as background. It works perfectly for low zoom levels, but when I zoom out the globe the glitch in labels appears
eventSet....
- 351
0
votes
0
answers
13
views
Static Heatmap in Geoserver [duplicate]
Is it possible to prepare SLD style for static(without recalculating per zoom level) heatmaps and served it as WMS layer? I have dynamic wms layer with heatmap but it looks very bad on Cesium 3d globe....
- 351
1
vote
1
answer
203
views
Cesium and GeoServer WMS heatmap
I've got problem with a WMS heatmap layer in cesium. I know how to handle it in OpenLayers (single tile) and in Leaflet (non tiled plugin) but I don't know how to handle it on 3D globe.
Here is my ...
- 351
2
votes
1
answer
381
views
OpenLayers/Angular/ol-cesium : Point vectors show on both 2D/3D map / polygons don't
I am working on a existing app made with Angular 13.
I use OpenLayers 6+ and the npm package ol-cesium.
I have an Angular component where I display a map (2D - OpenLayers). Everything goes as planned.
...
- 21
1
vote
0
answers
59
views
Strange behaviour in Z Cartesian axis when creating 3D Point Cloud
I'm working on a tool to convert SRTM data to Cesium 3D Tileset Point Cloud.
All is working fine as you see here:
And in this video ( subtitle in portuguese): https://youtu.be/zroGesdS-OI
Well... My ...
- 1,900
2
votes
0
answers
203
views
Generate GLTF/OBJ models from quantized mesh (terrain) in CesiumJS?
I’m exploring ways to generate gltf / obj models from terrain mesh. My goal is to show 3d cut-fill volume calculation, something like the following -
I realized that I don’t need to DEM to generate ...
- 21
1
vote
2
answers
268
views
GeoServer changing raster color as scale changes
I have a Sentinel-2 image published on my GeoServer.
When I preview the layer, I can see it changes coloring somehow as I zoom in / out.
You can see examples in images below (look at the scale values ...
- 1,900
3
votes
3
answers
2k
views
Cesium on a standalone local network
I have installed geoserver, qgis-server and I am serving raster tiles styling them using openlayers on a local network. Now I need to serve 3d-maps... Can I run cesium on a standalone local network ...
- 51
0
votes
1
answer
214
views
OpenGIS Tile data server for Cesium?
I'm investigating my options for local hosting test GIS data for use with Cesium front ends. I have seen this project: Cesium Terrain Server but it seems quite old.
I thought I read somewhere that ...
- 173
2
votes
1
answer
191
views
Finding the correct aspect ratio from image
I'm trying to put an image over my map.
I know the correct bounding box of it, but when I load it, I see it doesn't fit correctly in the map.
Just for curiosity, I cut a piece of map of same region ...
- 1,900
3
votes
1
answer
391
views
Defining zoom on tileset extents using CesiumJS
I work on windows 10 with Cesium 1.72.
NodeJS and Cesium work well.
I succeed in adding a tileset format3D tiles (Meshs + associated texture).
However, I would like to define a zoom on my tileset ...
- 839
0
votes
0
answers
212
views
Point Layer is Not Show When 3D Mode is Active [Cesium, OLCS, Openlayers]
I have a 3D map build with Cesium + OLCS + Openlayers. But in one case i cannot show my WMS Image Point Layer when 3D mode is active like this:
But Polygon Layer can show when 3D is active, and when ...
1
vote
0
answers
214
views
Vector feature "flashes" after geometry update in OL-Cesium
I would like to append new points to a vector polygon geometry in OpenLayers v6.5.0 and Ol-Cesium v2.12 (Cesium v1.77). My UpdatePolygon function will be called in every seconds or more frequently ...
- 320
0
votes
0
answers
209
views
OL-Cesium improve tileWMS quality in very high zoom level
I'm developing an application which is based on OpenLayers v6.5.0. OL-Cesium 2.11, Cesium v.177 and GeoServer v2.17. The scale of the map view is very large. The camera height is only 20 meters. I use ...
- 320
1
vote
1
answer
357
views
ImageWMS layer doesn't work in 3D mode
I would like to display an ImageWMS layer using OpenLayers v6.3.1, OL-Cesium v2.9 and Cesium v1.70 in 3D mode. In 2D mode it is perfect, however in 3D mode, I don't see the states ImageWMS layer, the ...
- 320
1
vote
1
answer
204
views
Working with position data from 3DTiles
I'm currently implementing 3DTiles into my java application. I know that I will only work with the region BoundingVolume. The BoundingVolume has 6 values: west, south, east, north, minHeight and ...
- 21
2
votes
2
answers
781
views
Cesium toggle 3D buildings on/off
Does anyone have a working code example of how to toggle 3D buildings on/off in Cesium?
Since the 3D OSM buildings in Cesium are solid, everything beneath them is obscured so I would like to add an ...
- 31
3
votes
2
answers
535
views
How to properly point the Sun in CesiumJS?
I prepared a Cesium sandcastle example based on this answer from @FSimardGIS, but something is going wrong: only one of many rays correctly points to the Sun, the other appears random.
What's wrong ...
- 183
3
votes
2
answers
753
views
Convert from Alt/Az coordinates w.r.t. point on surface to (x,y,z) w.r.t Earth centre?
I know how an antenna located on Earth surface is pointing to an object in space, by means of Altitude and Azimuth.
I would like to show the pointed object in the 3d view, so, as far as I can ...
- 183
1
vote
1
answer
151
views
Style WM(T)S layers from a QGIS server into a Cesium imagery component
I have a QGIS server docker image which is serving some aerial images (raster data) on one virtual machine.
I have an other virtual machine which holds a Cesium cartographic web application in Vue.js.
...
- 9,111
1
vote
1
answer
446
views
Combine multiple points to polygons by property
I'm working on a website with a Cesium map, and I'm using turf.js for geo calculations.
I need to find a way to merge a large set of points on the map (with a fixed distance between them) to polygons, ...
- 29
2
votes
0
answers
422
views
Cesium Terrain generated using DSM is way higher than the base map
Is there any way I can clamp the terrain to the base-map's height? Is the problem with the vertical datum for the data. I tried changing ellipsoid's radius-- but I learnt that the height is relative ...
- 121
3
votes
0
answers
328
views
Orientation of a texture image in Cesium?
Context
I'm trying to apply a texture to an entity in CesiumJS and I cannot figure out how the texture is applied, especially regarding it's orientation relative to the camera view point.
Here are two ...
- 9,111
-1
votes
1
answer
404
views
Converting a GeoJSON file to vector tiles compatible with CesiumJS in Java
When I explored on google, I found a lot of packages in Github which were in JavaScript or NodeJS. Did anyone has written a code or came across a library in Java to convert GeoJSON to tiles?
4
votes
1
answer
521
views
Cesium OSM buildings floating in the air; could we set a custom ellipsoid, locally more accurate?
I just discovered the way to include OSM building data in a Cesium project. It sounds great but I also (re)-discovered my local ellipsoid vertical offset with the global WGS84 one (see pictures).
The ...
- 9,111
1
vote
0
answers
335
views
Convert a GeoJSON polygon to a Cesium.Plane object
I have a polygon (planar) in a GeoJSON feature.
I would like to convert it to a true Cesium.Plane object.
How could I achieve that?
In my current code, the feature is only a dataSource object:
const ...
- 9,111
2
votes
0
answers
299
views
Extract terrain coordinates as seen from a viewpoint + FoV in a digital globe
Context
Every one working with photogrammetry or 3D knows what a depth image is. For example OpenCV defines a "depth map" from a stereo pair, e.g.:
where the darker a pixel is, the greater ...
- 9,111
2
votes
1
answer
2k
views
.b3dm to regular 3d model converting
I have never been using Cesium but recently found a web storage with multiple *.b3dm files. It looked like they represent buildings that could be helpful for my company. However I could not see if ...
- 1,676
1
vote
0
answers
135
views
Tiling Mars themis raster for Cesium
I am trying to tile the Mars themis raster that has the following crs:
PROJCS["SimpleCylindrical Mars",
GEOGCS["GCS_Mars",
DATUM["D_Mars",
...
- 11
2
votes
2
answers
130
views
Artifacts when rendering TopoJSON geometries on Cesium
I am rendering a TopoJSON document, created via mapshaper.org from a shapefile, on Cesium. That works fine for all geometries except one.
I have tried re-creating the TopoJSON document and re-editing ...
- 1,093
1
vote
1
answer
526
views
Definition of zoom levels used by Cesium quantized mesh terrain tiles?
Context
I am not able to figure out the definition of Cesium's quantized mesh terrain tiles, as specified here:
https://github.com/CesiumGS/quantized-mesh
I wonder if it's the same definition (or not) ...
- 9,111
1
vote
0
answers
210
views
Getting north in Cesium for billboard
I have two maps, a 3D and a 2D Map in my app, The user can move both camera, but the current position and rotation of the 3D camera must be reflected in the 2D map (see Screenshot)
I made it draw on ...
- 121
3
votes
0
answers
530
views
Compute a rotation relative to ENU
I am using CESIUM JS. I posted a message in cesium forum some days ago, but I didn't manage to find a solution.
I have a 3D camera moving freely on a map.
I have a 2D map (let's call it minimap) that ...
- 121
1
vote
1
answer
479
views
Display WMS layer from local GeoServer in mobile application with Cesium JavaScript Library?
I need to display a WMS layer from my local GeoServer in a mobile application with the Cesium JavaScript Library, but I don't know how to do it.
Can anyone help me?
- 19
0
votes
0
answers
670
views
How to display WebMapServiceImageryProvider with Height on Cesium
First of all, I have set the WapMapServiceImageryProvider with Geoserver deploy radar image to the Cesium, The result like this:
The code is :
function addRadarHKZindex(physicalHeight){
if(!...
1
vote
0
answers
109
views
How do I "flood" a terrain in Cesium to represent a high water level
I am thinking about using a plane object to represent a water level by rendering it as a certain height above ground using Cesium. Is there any example code that
- 111
1
vote
0
answers
58
views
GeoJSON vector data tiles disappear
I found an example of how to show GeoJSON data on cesium and I followed that example
The data is displaying but tiles are disappearing when I zoom in more and more
I tried with same with us sample ...
- 31
3
votes
1
answer
566
views
Using “Show” property in Cesium to turn on and off visibility has a strange delay
I am loading some geometries through a datasource load promise like above:
Cesium.when(Cesium.CzmlDataSource.load(environment.apiBaseURL + `/geometry/all`), result => {
this.dataSources = ...
- 241
2
votes
1
answer
1k
views
Cesium Polygon entity get all positions and holes
I could not find a nice way to get the all positions and holes from Cesium polygon (see the coordinates structure in attached image), and as far as possible not to use recursive function to get all ...
- 329
1
vote
0
answers
104
views
Cesium | Any Alternatives to 3dtilesets to visualize point cloud data?
I'm in the early stages of developing a web-based visualization for multiple GIS data sources (imagery, vector data sets, terrain, point cloud...etc). I am using the Cesium javascript library for ...
- 5,671