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bonjour enfin j ai réussi a installer geonetwork 3.0.2 mais pour l utilisation je sais pas vraiment comment faire a part de charger les modèles la visualisation des couches WMS qu'est ce que je peux encore faire ou modifier et si je veux ajouter un fiche ou données comment faire merci أكثر...

Re: Multiple colors by filters The best way to implement this is to use a ICustomRenderSettings object. Have a look at this example, which shows how to render different records using a color based on attributes contained in the DBF. h... أكثر...

Re: Concatenating field values Please feel free to upload the code to the forum. If it helps others I am sure it will be appreciated. Thanks Winston أكثر...

The COP21 conference came to a successful end earlier this week, with 195 countries agreeing to converge on a deal to reduce carbon emissions and limit the effects of industrialization on the planet’s health. OK Google “Should I go solar?” The answer to that question is Google’s project...

The world is undergoing a rapid urban transformation and by 2050, two-thirds of the world population is predicted to live in urban areas compared to 54% today. The rate of transformation is phenomenal and this new visualization from Duncan Smith from the University College London is yet another...

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Ok bare with me since i have 0 knowledge in geography. What we tried to do in our project is put world location into a 2d grid map and use that for further data analysis. So basically try to fit different longitude and latitude signals into the closest grid notes. Since i had no knowledge in...

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In my ArcGIS online map, I have two layers (morminte and layer2) related in a one-to-many relationship. For an item from the morminte layer I can have 0, one or two corresponding values from layer2. In the picture below it is shown the pop-up window for an item from morminte. In the pop-up,only...

I have a Leaflet map with a control to switch between various basemaps or toggle on/off some overlay data. //Basemaps are all a-okay //Start with no polylines in my overlayData items = []; flightpaths = L.layerGroup(items); overlayData = { "Videos": flightpaths }...

Im using OpenLayers with the openstreetmap tile server. var urlTemplate = "http://c.tile.openstreetmap.org/{z}/{x}/{y}.png"I would like to download tiles for the current view or an extent. So that I can view them later offline. Therefore Im trying to calculate the z, x,y for the tiles The...

Shrikant Pathak Head Practice & Strategy, Media & Information Services, Tata Consultancy Services أكثر...

I am trying to convert an ".osm" file to a shapefile. I want to display roads mainly. I am using qgis (on Debian Linux) .. Thank YouDanny أكثر...

There's an example in the Leaflet-ESRI documentation here:https://esri.github.io/esri-leaflet/examples/finding-features.htmlBut the code doesn't seem to actually work, neither on the example page nor when I cut and paste it into jsbin. I'm trying to create a search/find box for a user to...

This question already has an answer here: Main research areas currently under development for Geographic Information Science? 9 answers I need help in selecting my thesis points,my interest is in...

I am looking for a software that does batch processing of shapefiles to GPX files. I have seen many including Arcmap that will batch gpx to shapefiles but none vice versa. I currently am using DNR Garmin to complete the task one file at a time but it is time consuming. أكثر...

What are the main areas under active research and development for Geographic Information Science (GISc) i.e. what areas need further R&D? Some "hot-topics" for GISc may be modelling, simulation, temporal representation. أكثر...