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I have to create a thiessen polygon for a site in New Jersey and All I have right now is the concentrations from samples we took in the area. What else do I need and how to i input it into QGIS to get my desired outcome? Which is to divide the total excavation into polygons based on...

I am creating an ESRi XML Workspace document in some of my own C# code. The XML doc that is produced validates against the GdbExchange.xsd schema provided by ESRI. However, when I use ArcCatalog to import the XML document into a newly created Personal Geodatabase (.mdb) I get the following...

I have huge number of x and y data . these are left longitude,right longitude,buttom latitude and up latitude. each row is an extent of a polygon.i'd like to create a polygon using these data without programming in ArcGIS. is there any tool to create polygon automatically? أكثر...

I have to apply uncertainty principle to computing flow accumulation using Monte Carlo method. I generate raster with random numbers which represents mistakes in creating DEM. Then I apply those rasters on DEM in iterations. For each DEM with added random numbers raster I compute flow...

I am curious as to what GIS server software is out there. I have used a few different ones and am building a list of them. If you know of any others please mention it below because I would like to check it them out. I have listed the software that I am already aware of below. GIS Server...

The Citizen Cyberlab research project is asking for your help in understanding how citizen science projects can be designed to help you learn more about their scientific topic of the project, and making participation more interesting and useful for you. In addition to general understanding of...

I'm trying to install exifread so I can use the photo2shape QGIS plugin. I know nothing about python and I haven't been able to get it to work using the answers from previous questions. Can anyone please help with a set of clear step by step instructions for a novice? Thanks أكثر...

I was trying to add a GeoJSON feature implementing leadlet, but with no avail. Cannot figure out what is going on? Leaflet Demo أكثر...

I have been having a conversation at the office about whether to use ground control when using drones/UAVs to capture aerial images. The ground control that I am referring too is any permanent survey markers, or Real Time kinematic systems that would aid in improving the spatial accuracy of the...

I want to create a pbf file bu can not find the tool to do this. Please does anyone have an idea of how i can go about this and what tool(s) can be used? Thanks in advance! أكثر...

how to get self intersection polygons in arcobjects could you please tell me how to get already i got self intersection for polyline features as per below code but it is not working on polygon features if (intF.Shape.GeometryType == esriGeometryType.esriGeometryPolyline) { IPolyline...

In the print composer when generating an atlas, does anyone know how to show he layer count per each atlas feature? For example, I have generated an atlas where each map is a different province (in Cambodia) containing a village point layer. When I click the sigma sign at the bottom of the...

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I did an implementation similar to http://openlayers.org/dev/examples/sundials.htmlThe difference is that I have two or more kml layers at the same location and want to show their information combined. The problem is that the featureselected layer's event fires only once, for the top most kml...

ArcGIS: how to clear selection in Attributes Table with a keyboard shortcut? I'm getting tired of going to Options, Clear Selection; I work with Attribute Tables frequently. Thanks! أكثر...

What I am trying to do: Add a vector layer from an remote Oracle database. Description:I tried to add a vector layer using ODBC connectivity to an Oracle database on QGIS 2.8.2. Add vector LayerChoose DatabaseType ODBCClick New I filled the form as: Type ODBCName: myODBCConnectionHost...

There's a similar but not-quite-equivalent discussion here: How do I export symbology to ArcGIS Online? The people in that discussion, from 2011 to 2014, were using AGOL and trying to upload layers with symbology included. I'm using a free individual account and trying to upload a custom image...

I added many shapefiles and PostgreSQL database into GeoServer! However, when I downloaded this Shapefiles again why is my attribute data not legible in Farsi characters? أكثر...

Is there any support for Right-To-Left (RTL) languages such as Farsi and Arabic in GeoNetwork?If yes, any document for implementing it? أكثر...

Conozca que significa el PESV, y sus componentes b أكثر...