1
vote
0answers
3 views

Can't Find the Split selected features with selected line from another layer tool

I'm trying to split a selected polygon features with a selected line from another feature layer. I, however, can't seem to get the tool for this to show up in my advanced digitize toolbar. In ...
1
vote
0answers
5 views

Which tool for custom queries?

I'm new to the GIS world, and I'm trying to work out what tool I should start with in order to analyse some data and run custom spatial queries on it. I have a data set representing the recording of a ...
0
votes
0answers
2 views

Ora: 01036 illegal variable name/number in ArcObjects

I want to write a feature to a featureclass and use bellow code.On StopingEditing() return error "Ora: 01036 illegal variable name/number ". What am i missing? Regards. IWorkspace ws = ...
1
vote
0answers
5 views

R gdalUtils::ogrinfo error or very slow

I am pulling WFS data into R and using gdalUtils::ogrinfo to look at the available layer names on a WFS server. Using the same url in QGIS, this is very fast and gives complete information. With ...
1
vote
0answers
6 views

Insert row and column values into a fishnet dataset

I have a grid that has about 30 rows with approx 15 columns each. I want to label them as A1,A2,B1,B2 etc (Alphabet row, integer is column). Is there any way to do this programatically? There is no ...
0
votes
0answers
10 views

Which nodejs-postgis package do you recommend?

I need your recommendations. I want to use nodejs with postgis? which nodejs-postgis package do you recommend? regards
1
vote
1answer
7 views

QGIS Pre-set CRS/projections missing/unavailable

I am using QGIS 2.0.1 running off of a Ubuntu computer. I have been going through some basic tutorials (http://fossgeo.org/free-qgis-courses/) and have come up against a small and silly little ...
0
votes
0answers
5 views

adding points of interest

I wanted to know if anyone could please help me in adding point to my map. every time I add a point the map disappears. And how to rename the untitled as point of interest. Thank You
2
votes
0answers
12 views

Merge a list of spatial polygon objects in R

I have a list of spatial buffers (30000 buffers) that I built with the function lapply: buff.pts <- lapply(1:nrow(pts.prj), FUN=function(l){ buff <- gBuffer(pts.prj[l,], width=1000) ## 1km ...
0
votes
0answers
4 views

OL3 client zoom functionality?

OpenLayers 2 offered a "client zoom" functionality by which a tiled source could be zoomed in client-side beyond the tile server supported resolutions: ...
3
votes
1answer
5 views

How do I get the bounds of a layerGroup in Leaflet?

I have added multiple geoJSON layers to my map by first adding them to a LayerGroup and then adding the layerGroup to the map. Now I want to call fitBounds on the map with the combined bounds of all ...
2
votes
1answer
9 views

Problem in ubuntu loading geoserver wms layer in local server with leaflet

I am just starting to work with geoserver. I am trying to do the same openlayers-geoserver example but using leaflet to view the map instead of openlayers: Publishing a shapefile This code is not ...
1
vote
0answers
6 views

D3: center a map feature using correct latitude and longitude, without rotation?

The following is a map of Chicago which I've created in D3.js, and the JS code to render it. I had a very hard time centering Chicago within my viewfinder (the white box). After much trial and ...
2
votes
0answers
19 views

Retrieve Google Maps API friendly latitudes and longitudes from shape file polygon

I have a shape file with a polygon in it, and I am trying to the latitudes and longitudes associated with it so I can use them with the Google Maps API. So far I have been working with QGIS Lyon and ...
2
votes
1answer
14 views

QGIS convert long integers stored as string to integer

I have long integers (11 characters) stored as text in a shapefile that I need to convert to integers, but when I attempt to convert them in the QGIS field calculator, I get the following error: Eval ...
2
votes
0answers
8 views

Using Midvatten plugin in QGIS?

After installation of the Midvatten plug in (QGIS 2.12 Lyon), i tried to get confidence with the plugin following the tutorial. When trying to plot stratygraphy data, a QGIS error shows up: "the ...
1
vote
0answers
7 views

How to update ArcGIS online metadata using the API?

I am trying to update metadata (XML file) for ArcGIS online items using the REST API but I am not quite sure how to do that. It says in the documentation that I should be able to change the metadata ...
3
votes
1answer
32 views

Creating a new Normal template in ArcCatalog?

I need to restore my ArcCatalog template to its original default. I am missing the main tab above the toolbar i.e. edit/file/customize etc...I am running ArcCatalog 10.3 on a Windows 10 operating ...
2
votes
1answer
16 views

Displaying Raster Source Information

I have a large number of raster files I'm working on. I need to figure out how each of the files was processed from. I have a composite land cover map and would like to view the file names and ...
2
votes
1answer
13 views

org2ogr PostgreSQL to GPX

I already have found how to import GPX files into PostgreSQL using gdal/org2org. Now I am wondering of dumping into GPX files the results of my modification on dataset stored into PostgreSQL. But I ...
0
votes
0answers
16 views

What is causing a “Failed to edit the selected object(s)” error?

I have a file named 'water use.lyr' which is a practical file accompanying by 'Getting started to ArcGIS' book (ESRI). When I want to open this file, I get 'Failed to edit the selected object(s)' ...
2
votes
1answer
16 views

Wrong shape display with North_Pole_Azimuthal_Equidistant projection

I need to create a map that displays the breeding and wintering ground of a bird species that has a circular arctic breeding distribution and winters in Africa. The map should lool pretty much like ...
1
vote
1answer
9 views

Calculate field based on user defined parameters in ModelBuilder?

I want to use ModelBuilder to dissolve polygons by a field whose values are concatenated strings based on 3 other fields. The general process is this: Add field, type string, called "concat". Field ...
1
vote
0answers
10 views

How to Avoid that Label Covers Icon?

I'm trying to render both house numbers and icons for sirens on a map in QGIS. Now I have added two layers with siren nodes and building outlines, the siren layer being above the buildings. In the ...
-1
votes
0answers
21 views

Learning GIS basics? [on hold]

I recently got to know about GIS. Can you tell me please what do I need to start learning GIS book references or any other reference. Also what do I need to have on my laptop for GIS (application or ...
-1
votes
0answers
28 views

Can QGIS 2.8 (Wien) export to Mapserver?

I've tried to export with RT Mapserver Export but it hasn't worked. I'm running >QGIS 2.8.6 on W7 x64. Sorry for my undocumented answer. So, first I install RT Mapserver Export plugin without ...
1
vote
0answers
11 views

How to use Leaflet's overlayadd event

In the example at http://jsfiddle.net/gwulo/w6cvagoL/4/ I'd like to force only one overlay to be visible. So if you select Cities2 in the layer switcher, the Cities1 overlay should be de-selected. ...
3
votes
1answer
21 views

Why this query on Oracle Spatial returns null? (Or how to retrieve WKB)

I am begginer on GIS, and I have loaded a shapefile to MSSQL, PostGIS and Oracle Spatial (11g) On both MSSQL and PostGIS I could create a query to return me the WKB from the table (geometry field) ...
6
votes
2answers
59 views

How to automatically sum up values within buffers?

I want to establish the population figures within multi-ring buffers around certain site. I have set up the buffers and am running a select by location query on each concentric ring. Once the ...
4
votes
0answers
21 views

Create polygon symbology from attribute?

I have shape file with polygons and lines. There are attributes for: layer, lineweight, colour: Red, colour: Green, colour: Blue. (colour values are from 0-255) Is there a way to read values from ...
1
vote
1answer
5 views

Set view doesnot work after Fitbounds

I have a map and a layergroup. var map = L.map('map').setView([27.6758,85.3313], 12); L.tileLayer('http://{s}.tile.cloudmade.com/8ae544230be74379927e6dee5d416398/997/256/{z}/{x}/{y}.png', ...
1
vote
1answer
9 views

Get the coordinates of the snapped and clicked point in ArcGIS Engine

I am developing an ArcGIS Engine program. I am using the code below to activate snapping to a layer programmatically. I want to get the coordinates of the snapped point (clicked point). I know I must ...
1
vote
0answers
13 views

How to point out a place in iframe using latitude and longitude

I want point out a place using latitude and longitude in following frame, <iframe width="75%" height="550" frameborder="0" scrolling="no" marginheight="0" ...
3
votes
0answers
16 views

Can I read ephemeris data from GPS receiver?

I want to filter the GPS data. when I use the low cost GPS receiver, it gives erroneous data. therefore I want to apply some filtering technique. How can I read ephemeris data from GPS receiver? I ...
4
votes
0answers
34 views

QGIS/OGR shp to tab export - crashing Mapinfo due to number format issues

I created a vector grid in QGIS and it exports as SHP -no issues. When I save as tab and try to open the file in MapInfo it crashes. According to ...
1
vote
0answers
12 views

ArcGIS - CTF and DAT files

How does one open CTF and DAT files as listed here using ArcGIS 10.3? I looked for instructions on their website but there isn't much guidance.
2
votes
1answer
22 views

Paste a feature from an existing shapefile into a row with null geometry in QGIS

If I have an existing row in my PostGIS database with NULL geometry, is it possible to select a feature from another layer in QGIS, and paste that into the empty geometry column for the PostGIS row?
1
vote
0answers
13 views

Can't display raster in mxd as RGB

I have a script that iterates through a folder of jpgs, clips them to a grid, inserts them to an mxd, and exports them. My original problem was when I added the clipped raster from a standalone script ...
2
votes
0answers
31 views

Is there something like postgis for mariaDB? [on hold]

Someone told me that PostGIS exists. Currently I'm storing latitude and longitude information un a MariaDB, but I want to know if there is something similar for MariaDB. Unfortunately, migrating to ...
2
votes
1answer
33 views

How to iterate through layers of an MXD?

I know model builder will not iterate through the layers in an MXD, which is kind of fundamentally stupid if you ask me, but I still need to do exactly that. I am not a strong coder but i understand ...
2
votes
0answers
8 views

Looking for a raster calculator C# class

I am developing an application using C# and dotspatial. I need to performs raster calculation a lot..I need a library which helps me to do it..Do you know any library for this purpose? The library ...
1
vote
0answers
10 views

Get dynamic params created from new ol.source.ImageWMS

According to this documentation of ol3 the params option of WIDTH, HEIGHT, BBOX and CRS (SRS for WMS version < 1.3.0) will be set dynamically. How can someone retrieve this information? Get for ...
1
vote
0answers
8 views

How to Sync an existing table in CartoDB

Two questions regarding synced tables. 1) What is the best way of Syncing an existing table? I have a data set (let's call this table web_survey_results) that is driving an external map ...
2
votes
1answer
33 views

Extract the edge between two raster cells with different values

Is there a way in R to create lines (black lines in the figure below) along the edge between two raster cells that have different values ? Update I'm trying the functions clump() and ...
1
vote
0answers
19 views

How to open a shapefile using ArgParse in Python? [duplicate]

I am trying to open a folder of shapefiles along with their associated files (i.e. '.prj, .cpg' etc) using Argparse in Python. I'm not sure if the code below is a good place to start: parser = ...
2
votes
1answer
10 views

Geoserver Mapfish printing

I am using mapfish module to print my map to pdf. It works well for two layers but if I add another layer there is no response from geoserver. Neither there is any error in geoserver log no in apache. ...
1
vote
1answer
10 views

Creating Mile Posts

I want to create mile post on a polyline. I'm getting confused on the LRS. Can someone assist me? I've tried going through the Linear Referencing Tools in ArcCatalog.
1
vote
0answers
11 views

WMS Layer Properties

I have created a gxp client where I have added some layer in the initial map settings and some layer can be added using gxp Add Layers plugin. When I add these layers to the map there is no issue with ...
2
votes
1answer
56 views

Strange names of swedish cities [duplicate]

I got a GIS Data-set for swedish cities. The problem is that they have strange names such as: Trädet Jäla Mjönäs Älmhult Did someone have the samoe problems? I think "ö" for instance mean ...
1
vote
1answer
26 views

QGIS: Buffer around external border of a country based on federal state borders

based on the question "QGIS: several layers - query" I have an additional question: With "join attributes by location" I got a layer that constist of the city names with the corresponding ferdale ...

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