0
votes
0answers
6 views

Getting flood depth grid values for road segments?

I have a 2 features, the first contains values for flood depth (Raster, GRID). the other is a road network (vector, polyline) that has been clipped to the boundary of the depth grid. I am racking my ...
0
votes
0answers
9 views

Domain is not attached to field

Hope you can help me: I had an Excel table with data and I created a table in ArcGIS via "Excel to table". Then I generated a domain from that via "Table to Domain" (the field type is text) and then ...
1
vote
0answers
6 views

From track+waypoints to elevation profile with waypoints

I have a track and waypoints (1) imported in QGIS. I want to calculate the closest point from every waypoint to the track (2). Then, I want a table with data that allows me to draw an elevation ...
-3
votes
0answers
24 views

Has any one created a “Killed by Cops in Canada” GIS?

Just wondering if anyone has come across anything like http://www.killedbycops.org/, but with data showing people killed by Canadian cops. I've found a bunch of different databases tracking people ...
0
votes
1answer
5 views

error 00289 while projecting raster

I tried to project satellite image of pixel size 2.5m*2.5m. It's in wgs84 UTM zone 44 North. I tried to project it to nepal_87 but failed. The error massage displayed was 'error-000289,failed to alter ...
0
votes
0answers
3 views

QGIS 2.8 Error 1: Can't Load reauested DLL

Greetings, I am attempting to run the Topographic wetness index tool in QGIS with Windows 7. When I run the tool, I get this error: SAGA execution console output C:\PROGRA~1\QGISWI~1\bin>set ...
0
votes
0answers
13 views

how can i adjust extent?

the coloured file contains landuse information and it needs to have the same number of columns and rows as the DEM in the background for further processing. i can't get it to work - "clip" and ...
2
votes
1answer
19 views

Need to make a shapefile by tracing over a Google Earth image

Basically, what I'm trying to do is create a very simple polygon shapefile of some new areas defined by boundaries specified by my company. These boundaries don't match any known shapefile as it's a ...
1
vote
0answers
6 views

Points of LinearRing do not form a closed linestring - one point intersection

I'm trying to index geojson data using elasticsearch. There is some kind of polygons that causing an error: "Points of LinearRing do not form a closed linestring". Looks like it happens because ...
0
votes
0answers
15 views

Geohash Vs Haversine Formula

I am storing latitude and longitudes of users in a table. Number of users will be really large. I want a way to find out near most users (latitudes, longitudes) for a given user (latitude, longitude). ...
0
votes
0answers
4 views

How to know how many replicated runs should I do in Maxent model

How to determine how many replicate runs should you do in a Maxent model?
0
votes
0answers
8 views

Does anyone have a Morocco shapefile that includes Western Sahara at the Provincial level?

The 2004 Moroccan census data is available at hcp.ma. I was wondering if anyone had a Moroccan shapefile at the provincial level or commune level that matched the data available on the census and ...
2
votes
3answers
55 views

Drawing polygons from legal descriptions using bearing directions in Arcmap?

I have many property descriptions I need to add into my GIS that are described using bearings (such as South 01 degrees 41'46" West for 25 feet, then continuing in a different bearing to create a ...
0
votes
0answers
14 views

Creating random points using QGIS?

Has anyone else had any issues using the random points tool in QGIS? When I try using it I'm selecting the option to use a value input field. The tool starts but then freezes once it gets to the 10% ...
0
votes
0answers
17 views

How to create a search function for ArcReader 10.2.2?

I’m looking for suggestions for the following scenario: I work in a department of 45 non-GIS users who’ll each need to create specific parcel based map illustrating 1 subject property and between 3-5 ...
1
vote
0answers
11 views

Selecting adjacent parcels with similar attributes in ModelBuilder

I am working on a project that is trying to identify shared ownership of adjacent parcels on abandoned industrial lands. I'm using ArcMap 10.2.2 and ModelBuilder right now. The first parts of my model ...
0
votes
0answers
16 views

Python Toolbox: Validating derived parameters for Model Builder

I'm working on a tool in a Python toolbox and I'm running into trouble getting the output tables to work in Model Builder. The tool takes an input table view and ultimately uses the Table Select ...
0
votes
0answers
9 views

QGIS2WEB white screen on export/preview

I got another question for ya guys about QGIS2WEB. When I export the project it goes through but when it loads up in my browser after the export is done all I see is a white background with the ...
0
votes
0answers
8 views

How to enable navigation tools when the dialog is appeared on map?

I created a simple webgis with Navigation tools.The navigation tools is located in a dialog. the problem is when the dialog appeared on map, i couldn't interact with map and the background of dialog ...
0
votes
1answer
13 views

How to immediately refresh ol.source.TileWMS

How can I immediately update or refresh or redraw the ol.source.TileWMS ?
1
vote
1answer
15 views

Dynamic XY to line with SQL

using arcmap 10.3 Trying to create a 'live' draw of lines between two coordinate points. So far I have been able to easily create the lines into a new shapefile using the XY to Line tool however I ...
0
votes
2answers
34 views

Delete observations that fall outside of shapefile

I have data that locates places by xy coordinate. I have plotted them on a shapefile. As you can from the sample map I have uploaded, many of the xy coordinates are incorrect and locate places ...
0
votes
0answers
9 views

Calculating maximum mean temperature of the coldest month with a lists of rasters

I need calculate the maximum mean temperature of the coldest month. I need first select the coldest month in a list and then in this month determine the maximum temperature. I do this: Create the ...
0
votes
0answers
15 views

ArcGIS Javascript Api centerAt

Trying to center the map at a certain coordinates but map only centers at 0,0 instead. Coordinates are in decimal degrees. Code below. function foo(data) { var lon = data.address.longitude; ...
1
vote
2answers
10 views

Importing fmeobjects into PyQGIS

I use FME a lot for manipulation of spatial data, and would like to leverage it's Python library, fmeobjects in PyQgis. If I run the following in my standard Python IDE it works fine: import sys ...
1
vote
0answers
16 views

ModelBuilder Output Problem

I created a tool with MB and run inside MB with great and correct output results but, when I tried trough the ArcMap, I Got different results. I have to output folder which are holding original and ...
1
vote
1answer
19 views

How can I save a QGIS project with hyperlinks?

I have already created an hyperlink project using actions, it works, when I click on one point of my shapefile it opens a photo, but when I re-open the project, the action is gone and I have to create ...
0
votes
0answers
14 views

How to estimate the world position of origin of a coordinate system based on its members global position?

I have n points of interests (POIs). I have a local coordinate system. For all these n POIs I know there position in this system, that is there x, y, z translation (local position) from origin of ...
1
vote
1answer
24 views

QGIS Plugins & Tools that replicate Select ArcPy Tools

I developed a complex python application for road generation from GPS Devices that uses a few Arcpy Tools. I want to try and replicate this Applications functionality using a freeware like PyQGIS ...
0
votes
2answers
16 views

QGIS2WEB Error when exporting to Leaflet/OL3

I am having all kinds of problems with the QGIS plugins fr exporting my map to Leaflet or OL3. Whenever I try to preview my project I just get a white screen with nothing. Then when I try to Export to ...
1
vote
1answer
15 views

NetCDF to Geotiff file conversion

How would I convert NetCDF files to Geotiff format? The data I am using is air temperature data that comes from the Climatic Research Institute and I want to display it on ENVI. I am not familiar with ...
1
vote
1answer
19 views

Postal code shapefile for france?

Can anyone tell me of an open source where I can get the shapefile for France at a postal code level?
0
votes
0answers
18 views

Aligning Points in Decimal Degrees

Running ArcMap 10.3 I am displaying a layer of manholes from a table coming from SQL. The XYs are in decimal degrees however they are displaying no where near my other layers (NYC PLUTO). I have ...
0
votes
0answers
13 views

ArcGIS 10.1 Archydrotools watersheed delineation AdjointCatchment error

The process of adjoint catchment processing considered during watershed delineation, it is complete but I only have a very small number of watersheds. I found the following error, in the report: ...
0
votes
0answers
11 views

SecurityError when Export map to PNG

I try to export my map to picture with the same method like this example of OpenLayers 3. The problem is whith few baselayers, the function doesn't work and firebug say : What can I dos for ...
0
votes
0answers
8 views

fail to convert polygon to raster

I have a shapefile with 520 districts each with a value. I am trying to convert this shapefile to raster using feature to raster tool. Input feature: myshapefile Field: value Output raster: ...
1
vote
0answers
13 views

How to create displacement vectors in QGIS using GPS points with different dates?

Is there a way to calculate and visualize displacement vectors in QGIS ? I have DGPS points taken at the same place (ground control points), but their position moved over time as they are located on a ...
0
votes
0answers
8 views

Postgis - create function for verify position of a point

I have 2 tables that are more or less like this CREATE TABLE localizzazione.etichette_sentieri ( gid serial PRIMARY KEY, cod_grid character varying(10) NOT NULL, geom geometry(Point,32632), ...
1
vote
1answer
21 views

Different number of columns and rows in raster datasets

currently I am dealing with the creation of a landuse file. I have geoprocessed a google earth .tiff-file over my DEM and created three polygon featureclasses via the editor tool containing areas of a ...
1
vote
4answers
645 views

US / Mexican border data

I'm interested in locating free GIS shapefile data representing the US / Mexican border. I have found a point layer depicting the border crossing points but I'm interested in a polyline feature ...
0
votes
0answers
14 views

geoJSON isn´t showed

I am working in Openlayers 3. I have been trying to show a *.json (GeoJSON) layer but it doesn´t work and I don´t know why. debug tool shows this message: My code is: Vector layer ...
0
votes
0answers
21 views

PostGIS - How to calculate linestring length from WGS84 after transforming from OSGB 36

I am having problems getting lengths from multilinestrings after transforming data from EPSG:27700 - OSGB 1936 / British National Grid to EPSG:4326/ WGS 84. I'm doing this conversion to import a ...
0
votes
0answers
5 views

GP Service analyser gives error 00068: broken project data source

I'm trying to publish a GP result to both my live and dev servers. I ran the tool, clicked on the result and published to the live server without a problem. Then I clicked on the same result and ...
1
vote
0answers
20 views

Lost position when mouse draging map

Set extent to view: var view = new ol.View({ projection: 'EPSG:3857', center: center, zoom: 11, minZoom: 11, extent : [ ...
1
vote
0answers
15 views

line from min to max of a digital elevation model

I have some geometries as multipolygons and a dem (digital elevation model). I need a line from the max value to the lowest value of the dem for every multipolygon. Is qgis a tool i could use or do i ...
0
votes
0answers
9 views

Generating world's 3D map with biomes and climates? [on hold]

I'm a worldbuilding hobbyst and theses days I was wondering if there's any software that could give me more information about my world. Basically I want to model my world and have a 3D view with ...
1
vote
0answers
17 views

What kind of raster mosaicking to use in land cover analysis

I have to mosaic two rasters to one single image and then analyse its land cover. Which option to use to avoid seeing a distinct line in the place where two different scenes/rasters are joined? I am ...
1
vote
1answer
29 views

Truck Routing in Google maps

I know that Google Maps does not have a truck routing feature , ie, changing the route if a low bridge is detected. Is there a way I can implement this in Google Maps using a 3rd party API? If yes, ...
2
votes
1answer
22 views

convert ordnance survey easting and northing data to WGS84 latitude longitude values

The C# code published here is not very accurate as also mentioned by tanoshimi. I think this has to do with the lack of 'approximate Helmurt transformation'. Just curious is anyone aware of some ...
0
votes
0answers
19 views

How to convert TIF to ECW with FME maintaining a certain value?

I want to convert TIF to ECW with FME. Some tif-pixels have values of 255/255/255: After conversion these pixels have values of 254/254/254 or 253/254/252 or similar. How can I achieve that ...

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