0
votes
0answers
3 views

Is spatial interpolation a good technique to interpolate information for a particular unknown point with knows points around it?

I have monthly mean temperature data from a number of meteorological stations around the location for which I actually need the information. I was thinking of using spatial interpolation techniques to ...
0
votes
0answers
5 views

Is there a way to Alter Elevation Values of Pixles of a DEM based on BM and Control point elevation from actual Field survey?

We have got a quick bird DEM of our site. After getting actual on ground elevation values with a differential GPS device, we have found that there is a difference of average 12 feet between DEM and ...
0
votes
0answers
7 views

explain generate spatial weight matrix k-nearest nieghbor results

I successfully generate 8th nearest nieghbor matrix and open it in excel, but I am confused about what the weight field mean it shown in the picture below since I generate the 8th nearest neighbor I ...
0
votes
0answers
2 views

ArcObjects - Interacting with existing ArcGIS Server layer

I have a bunch of users running a 10.2.1 VB.Net extension, which assumes they have a particular MXD loaded. That MXD contains an existing ArcGIS Server layer (ie. not added programmatically by the ...
3
votes
0answers
12 views

Placing the label style alongside the layer style within the legend - Arcmap 10

I've been searching for a way to include the label symbology within the legend, something similar to the image below: (Apologies for the quality) There was a post some 4 years back that touched on ...
-1
votes
0answers
25 views

Heath GIS Techniques [on hold]

can anyone please explain to me what is a two-step floating catchment area (2SFCA) method and how to use it with step by step instructions in Arcgis?
2
votes
1answer
15 views

replace raster cell values with values in a .csv

I'm looking for a simple way to replace the value field in GRID format with values that I have in a csv. It would be much like doing a join, where the GRID and the csv have a FEATUREID and then ...
0
votes
1answer
9 views

How to get the parameter defined in one tool to another tool in same python toolbox?

This is what I am looking for: Create two tools in Python Toolbox: Tool1 and Tool2 (I am able to do that) I want to define a parameter in Tool2 whose value depends on parameter entered by user in ...
1
vote
0answers
7 views

Output formats not showing in heatmap plugin (QGis 2.10.1 in ubuntu 14.04)

I just upgraded to QGIS 2.10 (using the debian repos) and the heatmap plugin doesn't show any formats in the dropdown menu. I'm able to open every raster format I have at hand and, of course, the ...
0
votes
0answers
12 views

How to dynamically create new parameters based on previously entered parameter in python toolbox?

This is what I am looking to create in a python toolbox: Create a parameter to get geodatabase (.gdb) file from the user. (the .gdb file has some number of feature classes) After user enters the gdb ...
1
vote
3answers
46 views

arcpy.mapping.MapDocument(“CURRENT”) fails when running python script in background as tool

The engineers I work with have requested an autosave feature for ArcGIS, so I thought I'd make them a python tool that routinely saves. The script works fine when run in the foreground, but fails when ...
1
vote
0answers
8 views

OpenLayers 3 : Drawing a polygon feature over the dateline

I am attempting to draw a simple box polygon that overlaps the international dateline. Currently when creating the polygon it wraps in the opposite direction. Full example : ...
0
votes
0answers
11 views

How to combine two different raster by replace its raster value at their overlap space?

I have two different raster data : First data : Second data How to combine those raster data? so the output data will be like this : Where the overlap space between First data and second data ...
0
votes
0answers
9 views

How to export to KML from Spatialite command line

The Spatialite GUI can export a Geometry column to KML file. How would one go about doing that from the Spatialite command line? I am looking for an example code preferably - the .help doesn't mention ...
2
votes
1answer
16 views

Filtering Layers based on types in ArcGIS

I want to loop through all the layers in TOC in ArcGIS and report Raster and Vector Layers. I want to see how many layer are raster and how many are vector. I can access the layers using: IEnumLayer ...
0
votes
1answer
13 views

Update Description of Feature Class in SDE or GDB

I need to add a Description to a Feature Class using arcpy. The feature class lives in our enterprise geodatabase. The Feature Class does not live in an MXD file, nor will it ever for this script's ...
2
votes
3answers
39 views

Debugging ArcGIS Python scripts

I am new to Python and coding generally, and I cannot figure out how to set up a debugger that will work with Arcpy. I am trying to use PyCharm, but it always gets caught up with the fact that it ...
1
vote
1answer
17 views

Make a Qgis layer update from a changed data source

I'm trying to get layers to update automatically when their data source changes. I'm using R to write a shapefile with an attribute, and colouring according to that attribute in QGIS. I want to write ...
0
votes
1answer
11 views

Convert coordinates into decimal using SQL Server

I am looking to convert a pair of coordinates to decimal, and am unsure how to go about doing it. The following script select Centroid.STY as Longitude, Centroid.STX as Latidude from ( select ...
2
votes
1answer
38 views

Mouse Scroll in ArcGIS different from that of Google Maps?

On moving the mouse scroll forward, the map Zooms-Out in ArcGIS while it Zooms-in in Google Maps. Can it be changed to match the Google behavior?
0
votes
0answers
6 views

Geoserver SLD: Dynamic Variable Substitution

I'm facing a problem with Geoserver and its styling mechanism that I'm not sure whether it's possible to be solved or not. But first, a quick context... Context We want to use Geoserver and ...
1
vote
1answer
26 views

Arcpy.da.SearchCursor to retrieve the min and max measure values from Polyline-M shape

Is there a way to use a search cursor in ArcGIS to read the minimum measure and maximum measure values of a linear referenced route layer using arcpy? My goal is to build a route event using the start ...
1
vote
0answers
15 views

Different Leaflet fillcolors for different layers

I have a leaflet map set up with two layers and I want them to use different colorization functions to color the choropleth shapes. My shapes are set up in layers like this: var povertyLayer = ...
-2
votes
1answer
22 views

How to find a list of every REAL residential address in an area?

I'm trying to get demographic data in the US at a level more specific than census block groups, so am going to try out using the zillow api and other similar apis to get home price and rental data for ...
0
votes
1answer
19 views

Copy shapefile to SDE feature class using arcpy

Is it possible to copy shapefiles to SDE geodatabases using ArcPy? I have tried using Copy_management, but it says that it cannot copy between different workspaces. Is there a different function that ...
1
vote
0answers
11 views

access the encrypted table in qgis

I have a vector layer in qgis connected to PostgreSQL database table. Suppose I encrypt the table column using pgp_sysm_encrypt or some other encryption in PostgreSQL Is there any way i can say ...
0
votes
0answers
8 views

I need global runoff GIS layer that is not from the GRDC

I need global runoff GIS layer that is not from the Global Runoff Data Centre (GRDC). I need something with a better resolution, but the GRDC dataset (UNH/GRDC Composite Runoff Fields V1.0) is the ...
0
votes
1answer
18 views

Routing algorithm for geographical data

I have a graph extracted from an American city: vertices represent road intersections, edges/arcs represent road segments connecting the intersections. For each road segment, I have the length and ...
0
votes
0answers
6 views

Resampling and snapping DEM to match a second raster

I have a DEM that is derived from a 50K map (provided by Geobase Canada), the resolution indicates it is 23.19156058m per cell (raster name DEM_50K). I need to resample this DEM to a 100m cell size ...
1
vote
0answers
24 views

How do I solve the 'The specified WKID (factory code) or WKT (definition string) is not a Projected Coordinate System.' error?

I am producing a floodplain map using ArcMap 10.1, Hec-Ras 4.1.0 and Hec-GeoRas toolbar extension. I have created XS cut lines and river and bank data in ArcMap 10.1, having imported LiDAR data images ...
0
votes
0answers
23 views

Multiprocessing in python qgis?

When i try to do mutliprocessing in python Qgis it doesn't work from multiprocessing import Process,Lock import multiprocessing def name1(l,i): print i if __name__=='__main__': lock=Lock() ...
0
votes
0answers
5 views

How to keep leaflet tooltips within visible map view

I have a map with panning and zooming disabled, creating a bounding box. This map has a geojson layer with features and tooltips displaying underlying data. The issue is when the user mouses over ...
0
votes
1answer
21 views

How do I set the domain extents to default?

I have a feature class that seems to be cutting off geometry. I looked around to see if there is a bounding box applied and found the Domain, Resolution and Tolerance tab in the Feature Class ...
0
votes
0answers
15 views

requesting Token with ArcGIS Server

When attempting to connecting to my server (10.3) page using the below code I get the error socket.gaierror: [Errno 11004] getaddrinfo failed # Ask for admin/publisher user name and password ...
0
votes
0answers
11 views

How to change programmatically the value of attribute in one of several feature in a vectorLayer

I have a vectorlayer that contains a lot of feature, I know that each feature has an unique Id Each of them has some propertie like coordinateX, coordinateY, color, name With a QTimer, each 2 sec I ...
3
votes
2answers
35 views

ST_Area of a buffer differs by coordinate

Why are these results different? The only difference is the coordinate. Seem like the area should be the same. select st_area(st_buffer(st_setsrid(st_point(-70, 40), 4326)::geography, 10)) AS ...
1
vote
0answers
27 views

Weighted averages: accounting for grid cell surface variation in proportion to the cosine of its latitude

Non-geographer learning GIS here. I'm using ArcGIS Desktop v. 10.2.2. I have a 30-arc second Terrain Ruggedness Index (TRI) raster file, and I want to measure the average ruggedness within each ...
0
votes
0answers
3 views

OpenLayers LayerSwitcher Control acts weird on Android

I built up an OpenLayers Map with a layer switcher and some other controls. For most of the controls I wrote handler which make use of touch-events. Now the default OpenLayers.Control.LayerSwitcher ...
0
votes
0answers
13 views

multiple attributes in csv file to raster

I have a several large comma separated text files each with multiple attributes. Each text file is about ~2.9 GB with 21 million lines. Each line contains X, Y, VALUE1, VALUE2, VALUE3, etc. The X and ...
0
votes
0answers
6 views

CartoDB layer toggle buttons not filtering?

We are trying to take our Canadian election event map from CartoDB -- http://cdb.io/1TabLyz -- and introduce the toggle button feature allowing users to filter by party. Both myself and our lead ...
0
votes
0answers
12 views

Rotating symbols around two axes in ArcScene

Using ArcGIS 10.3.1 I want to visualise the strike and dip (essentially the same as aspect and slope) of measured rock faces in ArcScene: the idea is to have a coloured DEM of the field area, with an ...
-6
votes
1answer
23 views

Getting Shapefiles of Meghalaya [on hold]

I want to download a shapefile for Meghalaya. Where do I get it from?
0
votes
0answers
6 views

Building error on changegeometryvalues

I am working with c++/QT and c++api gqis 2.8.2 I want to change the geometry of a feature, I have this code : QgsVectorLayer * lLayer = mMapLayer.value(TRACKS); QgsVectorDataProvider * ...
0
votes
0answers
9 views

Leaflet map altering page scroll behavior

When scrolling down a page and past a leaflet map, if the user's mouse cursor is inside of the map, then the scroll bar stops and the browser window becomes stuck on the map. Is there a way to ...
0
votes
0answers
17 views

ArcGIS JavaScript setRequestPreCallback is partially working?

I have an api sitting in front of AGS that requires it's own authentication. I am using setRequestPreCallback as stated by the ESRI docs. In the image below, you can see that the first 2 requests are ...
1
vote
1answer
47 views

Check fields data type before insertion to table

I am trying to insert a python list of tuples to arcgis table. there is type mismatch which is obvious. Each Value in tuples have different type and fields in table have different data types. So, ...
1
vote
0answers
19 views

Is QGIS aspect analysis description mistaken?

I've been checking the Aspect analysis tool and several sources indicate that aspect is measured from 0 to 360, starting North and going counter-clockwise. Nevertheless, I've been testing it on ...
1
vote
1answer
13 views

Trying to create colour co-ordinated values on a map from data from a csv. file

I have a list of values for some data recorded via Magnetic susceptibility, I have these in a shapefile and want to try creating a colour map out of the values. The values that I'm using relate to, ...
-1
votes
1answer
15 views

Why doesn't fTools Line to Polygon work?

I am working new with QGIS (Version 2.8.2 / Window 8.2) and try to make Polygon from Line (see example picture 1) with the fTool LineToPolygon, but it doesn't work (see picture 2). I work with ...
1
vote
0answers
16 views

Iterate through domain names and delete domains using ModelBuilder?

I have a list of unused/unassigned domains in table format. It's actually a table inside a GDB. I want to build a model that iterates through this table and deletes the domain. Is this possible with ...

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