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    Creating new PostGIS connection in QGIS?

    I am trying to create a new PostGIS connection and I am doing as it follows: The password I inserted is postgres, I don't know what should be inserted there. And when testing the connection, I get this as a response: What do you suggest me to do? أكثر...
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    Grass GIS table creation error during r.to.vect

    When I execute r.to.vect the following error appears: r.to.vect input=sreviLC815109_-120_-120 output=temp feature=area --o --qDBMI-DBF driver error:ERROR: Unable to create table: create table temp ( cat integer, value double precision)Any ideas what this could be?My main issue is that this...
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    Small GeoTiff of the world very slow when zoomed in to city level

    I'm new to GeoTools and as a start I'm trying to display a small (under 10MB) GeoTiff file on a map. The GeoTiff covers the entire world (it shows average temperature), but the data I would like to display on it is at a much lower level (for example locations of trees in a city park). I'm...
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    identify and calculate area of valleys

    I have a shape file (points) that contains the coordinates of a number of cities in a mountainous area (valleys separated by mountain ridges), and a DEM of the area. I would like to calculate the approximate size (area) of the valley each city is located in, using QGIS. Of course, this depends...
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    converting/parsing geojson into com.vividsolutions.jts geometry

    Does any has any experience with converting string geojson into com.vividsolutions.jts geometry object (point, polygon, etc). Maybe there is some java library I cannot find. Greets! أكثر...
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    Google Maps API Maximum Zoom – Part 4: Continuing the detailed look

    We have recently been looking at our map created from the Google Maps API’s Maximum Zoom data: Google Maps API Maximum Zoom – Part 1: Data collection Google Maps API Maximum Zoom – Part 2: Overview Google Maps API Maximum Zoom – Part 3: Starting on a more detailed look Today we are continuing...
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    Why might data sources of Current ArcSDE layers vary in way they are listed?

    I would be interested to know if someone can tell me why SDE Connection: Layer Data-source shows C:\USER\JOHN_SMITH and not DATABASE CONNECTIONS**** . Back ground is we are going through a migration process of switching are SDE layers at the moment. This involves doing a data listing of all...
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    Case Study: Aerial Mapper Takes Digital Images 30 Percent Faster with Large-Format Ca

    Driven by customer demand for high-quality aerial images, Peace Map switched from film cameras to the UltraCam digital aerial cameras. Peace Map purchased six cameras: one UltraCamD, two UltraCamXp, and three UltraCamLp photogrammetric digital aerial cameras. The company now delivers superior...
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    OpenLayers WFS Multipoint

    I am modifying a OpenLayers setup which uses WFS capabilities to create a vectorLayer on a map to support multipoints. GeoServer is setup to send points and multipoints however only points are displayed. Is there a specific setting that prevents multipoints from being displayed in OpenLayers...
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    Grass GIS r.to.vect: Prevent neighboring cells with equal values from being unified

    I've got different satellite image bands as GRASS rasters, which I want to convert to vector dataset. As I want to compare the IDs of the cell polygons later on, the neighboring cells with coincidentally equal values should NOT be unified to one polygon like this: Is there a way to...
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    Geoserver and tomcat8 conflict of port numbers on cent os

    I have installed geoserver binary and tomcat8 in /opt on centos 6.6. My problem is, I can run geoserver only when I stop the tomcat service. How do I resolve the issue and start both on booting the system. أكثر...
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    regroup the close points

    I have a list of points with GPS I have to group together according to the proximity and create a zoning encompassing 15 points each. There he has a way to do it arcgis, mapinfo or qgis? Otherwise there are other tools that offer this? If you have a method to arrive at this result...
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    Divide polyline layer in clusters with specific requirements in arcgis 10.2

    For my work I need to divide line layers into clusters/groups. Currently I am doing this manually, but I like to automate this. The line layers can consist of 50 up to 2500 segments (smaller lines). What I need to achieve is that the line layer is divided in a n of clusters (where n can be set...
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    v.clean batch process withing QGIS 2.10 (PISA)

    I get an error message when i try to creat a batch for v.clean operation.. Algorithm v.clean - Toolset for cleaning topology of vector map. starting...local variable 'filename' referenced before assignment See log for more details And i dont really get why...Here a screenshot of my setting...
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    How can I contribute to openlayers examples list?

    Who or where to can I post a request to add an example to the openlayers 3 examples list? Particularly I would like to ask to add this simple custom control example because it is quite hard for new users to understand custom control class usage in the custom control example. أكثر...
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    کلاس برنامه نو

    امروز ساعت 14 ال أكثر...
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    More control on raster colour maps?

    Good morning, I'm playing with various raster layers (DEM, geophysical data such as gravity or gamma-ray, etc). QGIS does a fine job at reading and displaying them, but I'm looking for more control on symbology, effectively similar to what is allowed for graduated symbology for vectors, such...
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    Scatter plot of 2 rasters

    I am new to this forum and I need some help from you. (1) I have 2 climate raster data sets of the same dimension and I want to get a scatter plot of the raster data sets.(2) I also want to run a cluster analysis so as to infer some analogies. Additionally, I need help on how to view the...
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    Phoenix Aerial UAV LiDAR Mapping System Overview

    This video is an overview of the Phoenix Aerial AL3-16 LiDAR Mapping system. The AL3-16 can be mounted on any UAV that can lift 2.5kgs. In this video, a DJI S1000 is used and for the demonstration, we flew over an over an open pit. You can see how quickly we generate a dense pointcloud. ... أكثر...
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    Geoserver: Problem with default styles

    Somehow, many of the layers in Geoserver got misconfigured. I can not say how this exactly happend, since this also applies to layers I have not even touched in a while. When I try to query the layers (counts for a lot of layers i have in my geosever configuration) via REST, like so...
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