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    JS for loop with OpenLayers 3.5 functions slows then crashes after first run

    I am banging my head against the wall with this one. I have written an AJAX call and inside the success event I process the data in a for loop. The length of the data is capped at 10000 records. The first time the process flies through the loop. I've added a timer and every hundred records are...
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    Attribute table lizmap web client

    I'm trying to setup a webgis using qgis server and lizmap web client. What i want to know, is if it is possible to add attribute tables to more than five layers? أكثر...
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    Optimizing osm2pgrouting running time

    I'm running osm2pgrouting for North America OSM file and I'm looking for recommendations to improve its running time. I found a lot of information on osm2pgsql but not much on osm2pgrouting. Any suggestions? Thanks! أكثر...
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    Plotted: A Literary Atlas

    Coming in October from Zest Books: Andrew DeGraff's Plotted: A Literary Atlas, a collection of the artist's maps of fictional worlds. The Huffington Post has an interview with the author and sample pages from the book, from which we can get a sense both of DeGraff's distinct and idiosyncratic...
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    Can I merge an Access database with a shapefile into a file geodatabase?

    I'm working on a project where I'm trying to merge location information from points placed in a shapefile with information that I've entered into an Access database. There is a unique identifier with each point and the corresponding data in Access, but I'm having problems joining them because I...
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    Removing labels from a basemap

    I've made a nice roadmap and am trying to add a basemap, but the World Topo Map has town names, so does the USA Topo map and the Nat Geo Topo map. how do I get rid of these? أكثر...
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    Is it possible to change the geometry without startEditing the layer

    I am working in c++/QT 4.5 with the qgis 2.8.2 api.I had to change the geometry of features in a layer each second.Each second new data comes from the Ethernet connection, the application get the data and call a function with parameters. It look like a real time tracker.It works only if i put...
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    Proper way to check if a Factory Code is Projected or Geographic

    I would like to create a SpatialReference with ArcObjects, but I won't know whether it is Projected or Geographic, I'll only have the SRID. Is it fine practice to use 'ISpatialReferenceFactory.CreateGeographicCoordinateSystem' with a 'try', see if it fails, and if so, use...
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    Unable to Configure Pop-Ups in ArcGIS Online

    A particular map of mine published to arcgis portal is not allowing me to configure pop-ups. I can enable the pop-ups but when i click 'configure' nothing happens what-so-ever. Anyone have any idea what could be causing this? Thanks أكثر...
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    Constructing a simple zip code polygon map in CartoDB

    I'm new to using CartoDB. I suspect that what I want to do is rather simple but I would love some guidance. I want to produce a map that depicts multiple layers, the first of which is simple zip code polygons (i.e. polygons outlining an area defined by a postal zip code). I would ideally like to...
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    ArcGIS Tool to Delete only Geodatabase content (feature classes, tables, etc)?

    Situation: Need to add a Tool to my ModelBuider to Delete only the content from an Enterprise (SDE) Geodatabase (containing features classes, tables, relationship classes). Tool "Delete" (from Toolbox "Data Management") deletes the Geodatabase and only want to delete its content. Any help...
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    Searching for advanced or cool cartographic techniques in ArcGIS

    I would like to introduce students to some unusual/ advanced / cool cartographic techniques in ArcGIS (or even QGIS) before moving onto web based cartographic tools and Adobe. I have decided to do the following. Alpha channel adjustments. Cartograms Various hillshade / DEM representations I...
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    ArcScene: How to generate a TIN for 3D Analyst Fly in

    The TIN file was generated from the GeoBase’s DEM. Note, Toronto is not this mountainous. There’s a z-factor of 10. Part 1 of 3. Video contains public sector Datasets made available under the City of Toronto’s Open GeoBase® (http://www.geobase.ca/). أكثر...
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    construction of bridge

    This is the video that gives u a basic knowledge about bridge construction. And u can see how girder launching is done. أكثر...
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    [Appli] Quel outil pour géocodage ?

    Bonjour, j'ai dû convertir des adresses pour un projet. Et j'ai utilisé Batch Géocodeur dans un premier temps, mais c'était un peu long. Alors j'ai utilisé MMQGIS de QGIS, il est plutôt bien, c'est simple et rapide. La géocodage avec google maps est plus performant qu'avec OpenStreetMap...
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    geowebcache-diskquota.xml is not read by geowebcache

    I am using the stand-alone version of geowebcache instead of the geoserver-integrated one. I wish to set a quota for the amount of space the cache may fill. I have created a geowebcache-diskquota.xml.Unfortunately the quota does not seem to be enforced. No files seem to be deleted during use and...
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    Problem compiling a file in MapBasic v 10.5

    There are 4 error messages with the script below. Can anybody find out how to solve them please? Everything seemed to match up in Notepad + + Any other hints would be gratefully received. Thank you Rob The error messages: [End sub] found without corresponding sub statement.Found [] while...
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    If/else statement in arcgis

    I try to fill the fields with the condition if / else but it does not work.I do not know where is my mistake in the code. def TextValue ( !Classe! ):if !Classe! == "Steppe arbustive" or !Classe! == "Steppe arbustive à arborée" or !Classe! == "Steppe arborée" or !Classe! == "Savane...
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    Open Source Tool capable of reading Esri File Geodatabase (.gdb)?

    I have an ESRI File Geodatabase (.gdb) file that I would like to convert to shapefile (or any other non-proprietary format). Are there any Open Source tools to do so? أكثر...
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    Conversion image geotif en jp2 ?

    Bonjour à tous, Je dois faire parvenir à une société un fichier au format jp2 avec son fichier j2w (fichier de calage semble t'il). Je n'ai en ma possession qu'un fichier geotiff. Existe-t-il un outil gratuit me permettant de faire cette opération ? merci d'avance pour votre réponse. ++...
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