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I am trying to delineate watersheds automatically using Arcgis/Arc Hydro.I got the drainage area contribution of stream segment (part of stream) as shown in figure stream. The corresponding drainage area as shown in figure area. But I am looking for drainage areas/catchment areas as shown in...

I am not getting any response from this script and no error displayed at all I am writing this script to help me display the feature classes in my geodatabase Here is my script import arcpyarcpy.env.workspace = r"Q:\basemaps\ALTA\FileGeodatabase\AB_IHS_GIS_DATA.gdb"logfile =...

Last week, Somalia celebrated a year free of new polio cases. Thanks to remote sensing, health workers know exactly how many doses a community needs. أكثر...

does anyone know where to get GIS data for Singapore postal boundaries?I need a shape or KML file which I can then overlay onto google maps to show a neighbourhood break down of Singapore. Any help would be appreciated. Regards أكثر...

In the last post, we walked through how to setup Elasticsearch in a Docker container and how to bulk load the content of an ArcGIS feature class into ES, in such that it can be spatially searchable from an ArcPy based tool. There was something nagging me about my mac development environment, as...

What I want is to delete a feature by objectID, currently I have got the objectID of the related feature, but I have no idea how to delete the feature, can anybody give me some advice? The following is what I have now. Public Sub RemovePoint(ByVal lpCreatWS As IWorkspace, ByVal...

I am aware of the existence of space time DBMSs such as Druid, InfluxDB or OpenTSDB. Is there anything like it for spatially explicit data? A time series extension for a common spatial DBMS (say, PostGIS) could do it; as well as a spatial extension to an existing time series DBMS. أكثر...

I've been given an assignment to measure the rates of coastal erosion and model future impacts of climate change for an area along the coast of the UK but the instructions are quite vague (that is pretty much the extent of them) and I would be extremely grateful for some guidance on a basic...

Introducing the New State GIO The Georgia Association of Regional Commissions (GARC) is pleased to announce Susan Miller as the State’s first Geospatial Information Officer (GIO). Ms. Miller was selected by the GARC following a highly-competitive search process involving qualified applicants...

I didn’t mispellll Atlas in the title. For those of you who might want to catch up: Symbology Map Composer Atlas Part 1 So I started this 6 months ago….and I’m just getting around to finishing it. Why so long? Client wasn’t in a hurry for new PDF’s until they were in a hurry for new PDFs. To...

I am very new ESRI ARC GIS. I have downloaded trial version of GIS and want to import shapefile and save it to cmg file. Is it doable in Arcmap? Thanks !!! أكثر...

I think is better explain with a small example: selected a geometry point i get it back in a coordinate pair SELECT ST_AsGeoJSON('010100002031BF0D009A999919F9BD2D41CDCCCC4C758E5241') --result: "{"type":"Point","coordinates":[974588.55,4864469.2]}" to return back the geometry simply i make...

I have a contractor working for me on a Flex application. He retrieves recordset for a intersect query from the web service published in house. But he is getting some ids as negative random number instead of integer (generally 9-10 digits). He says it is at our end but when I query from REST...

I am developing small ArcGIS Visual C# applications. I can display maps on the interface. Which map format (.jpg , .tif , .png / ArcGIS supported other map formats ) provides the best performance? أكثر...

List of examples that focus on criticizing, analyzing and scaling your data. أكثر...

Does anyone know if there is an arcpy tool so that when I bring in raster imagery (Specifically Landsat) into ArcMap it will automatically adjust the settings of the RGB composite? I know under Raster Layer, under ArcMap options you can somewhat set this up but I will be bringing in SPOT and...

I would like to have two tile layers in Leaflet, one a conventional set of tiles, and another composed of PNG tiles with transparency, so basically a tiled overlay layer. Is this possible? I see numerous solutions for multiple tile layers that either show one tile layer or the other, or show one...

Esri interactive map shows the number of fatal shootings by the Memphis Police Department. أكثر...

I have several tiles (~200) of Lidar 1m resolution data from Geomatics group and need to convert it to tin format (currently in .asc) to develop a flood model. 1- is there a quicker way of doing this than doing each individually? 2- i have reached a point where now I go to convert a file, Arc...

Fires burn night and day across Washington, Idaho, and Oregon. أكثر...