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    Gis چ

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    StreetMap Premium for ArcGIS Europe HERE 2015 Release 1 now available

    StreetMap Premium for ArcGIS Europe HERE (formerly NAVTEQ) street dataset is now available. The dataset provides routing, geocoding, and high-quality cartographic display for countries in Europe using ArcGIS for Desktop or ArcGIS for Server. This first release of European data from HERE...
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    Sub-meter Bluetooth GPS units and ESRI Collector App

    We have been using Trimble XT/XH for years now, but we are at a time when we need to upgrade and do not want to drop another $8000 for another Trimble that only causes us headaches and not very user friendly. We have begun using the ESRI collector App and Garmin Glo for some of our projects that...
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    find minimum covering circle for given points (long,lat)

    Hi need to be able to calculate a bounding box or circle for Given points (latitude and WGS84 longitude).Would it be possible for someone to give me some pointers / Example on how to do thisThanks. أكثر...
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    Using Grid and Graticlies for the Township and Range?

    Has anyone ever tried using "Grids" under the Layers use to create the Town and Range ? I am interesting to see an example or sample one that I could use to for my project. أكثر...
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    Collect near polygons

    I have the following data: The data have 5 level (in tones blue). I want to collect only the nearest polygons with the same level and sum the number (represent client number). When I collect only for level I lose the number or client. أكثر...
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    How to change output folders when iterating a geoprocessing model?

    I have digital elevation models clipped to watershed boundaries and I have to run a set of tools to hydrologically condition each one, and I want to use the iterator tool to automate this process. Each DEM starts in a unique folder with the HUC 10 code, and each time I run the model, I want all...
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    Object reference not set to an instance of an object error during attribute change [o

    I keep having this error come up when trying to change an attribute. Seems like its a broken path issue but I'm not entirely sure. Anyone care to shed some light? Not sure what else to add since that is the particular task I'm trying to do. Running ArcMap server, oracle database أكثر...
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    Performance Improvent of Postgres vs PostGIS

    I am trying to run the following query thousands of times per second to determine which is any polygon contains the passed in point. SELECT * from areas WHERE poly @> ? Poly is the name of the polygon field and it has a GIST index on it. I am wondering if I would see any performance benefit...
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    Integer vs Non-Integer LiDAR

    A LiDAR user is telling me that his LiDAR data acquired from my organization has only integer LiDAR in certain areas. He is requesting non-integer LiDAR for those areas. First, can anyone help explain integer vs non integer LiDAR to me? Any help is greatly appreciated. أكثر...
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    Can the kml file displayed in Google Earth for Android

    I have created some 3D buildings and route in kml format and it worked properly in Google Earth (desktop). When i put it in Google Cloud Drive and open it by Google Earth for Android, none of the model can be seen. Grateful if anyone suggested me whether Google Earth for Android support this...
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    Georeferencing Imagery in the Hunt for MH370

    News of debris discovered off the coast of Reunion Island and the subsequent acknowledgment from the Malaysian Prime Minister has given hope as to the whereabouts and fate of Malaysia Airlines Flight 370. While we wait for additional information regarding the missing Boeing 777, I wanted to...
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    دوره جد

    دوره جد أكثر...
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    Georeferencing google earth historical images

    I have been trying to raster and georeferenced an historical set of images from Google Earth but I am experiencing issues after done the first one properly. I save 4 images from Google Earth of the same location but different years using the historical imagery. I added the first image to the...
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    How do I optimise performance on a local QGIS + PostGIS installation?

    I'm learning how to manage a local PostGIS (ver 2.1) database, with spatial indexing enabled on the shapefiles that I've imported (using the PostGIS Shapefile Import/Export Manager). I have imported a large shapefile with 4.7 million polygons and a 2.1GB attribute table into a schema. However...
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    Selecting files with matching names and then executing a process

    I have two lists and I would like to find a way to select them based on names. In list one I have a series of tif files: list1=['LT50300281984137PAC00_sr_band1.tif',,'LT50300281984137PAC00_sr_band2.tif'...
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    How to get geodetic area? rgeos::gArea doesn't seem to work. Or area-preserving proje

    I need to get an area of different polygons at continental scale (like third of Africa etc.). Usual functions like rgeos::gArea work only in the projection units. Is there any function which works correctly in real square meters on the geoid surface? I.e. real, geodetic area? If not, what...
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    library to create static maps (an image) with custom map features

    Do you know if there is a small library (preferably in python or java) around that allows the creation of static map. Something where you can specific the URL of your TMS server, width and height in pixel, and a simple geometry (point or linestring) to be drawn on top? I found staticmaplite in...
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    Apply map templates retroactively

    I have a bunch of maps and it would take forever to change them. Is there a way to retroactively apply map templates ? Thanks. أكثر...
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    Top fixed position with two lines

    I am trying to place 3 labels on a polygon one at the top, middle and bottom. Everything works wells unto the top label requires a new line "\n", then the label drops a little from the top of the polygon. Here are my settings: this is my python express for the label: ""+[TotalNA] +" NA \n...
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