All Questions

0
votes
0answers
5 views

Labelling in QGIS and adding texts on map

Is there another way to put river, towns etc names beside labeling in QGIS? Can you manually type text determine size and place it where and as you wish on the map?
0
votes
0answers
6 views

Modifying a raster zone's values with a maths expression

I'm currently doing an SIG project with the goal of calculating groundwater volumes in chalk and silex residuals aquifers. I have point data of underground water, chalk roof and floor elevations as ...
0
votes
1answer
6 views

send csv with polygon or line in gps data

I want to send a csv with a polygon or line to show it in cartoDB map but when I try to send data to the server I don´t know the exact way to send the info. for polygon some think like this. ...
1
vote
1answer
4 views

layer loadstart & loadend event in openlayer3

Openlayers2 has these layer events "loadstart & loadend" , What is equivalent to them in openlayer3 ? I need to show loading icon during vector layer loading and rendring
1
vote
1answer
16 views

Where to break the loop to make several polyline instead of one?

I am trying to solve a problem, I am pasting part of the code: from arcpy import env arcpy.env.overwriteOutput = True spatialRef = arcpy.SpatialReference("WGS 1984") polylineFC = ...
1
vote
0answers
11 views

QGIS Extract elevation data only for one country [duplicate]

Hye, Here a map built with (1) a shape file for country contour, and (2) raster from .hgt files with altitudinal representation. How can I only select the area corresponding to the country ? I found ...
1
vote
0answers
7 views

Create a polygon with attributes with arcGIS 10

I'm new of the use of arcGIS. I have xy data that descibe a polygon. But when I use the tool "point to line" I lost all attributes. There is a way to create a polygon with attributes. I try to explain ...
1
vote
1answer
40 views

From CSV file (latitude and longitude fields) to point .shp

How i create a new point shapefile from CSV table? If i have a CSV file with a latitude and longitude fields, is there a method for to have in output a puntal shapefile?
0
votes
0answers
11 views

Old GDAL/OGR version with QGIS from ubuntugis in 14.10?

Installing QGIS 2.6 from ubuntugis installs an old GDAL/OGR (ogrinfo --version GDAL 1.10.1, released 2013/08/26) - it should be 1.11 for support of the Open FileGDB connector in QGIS 2.6 So I don't ...
1
vote
2answers
11 views

Making data joined from Excel independent in ArcMap?

I have joined some data from Excel (.csv) "text" to my attributes table of one feature class. However I can't edit it. I found out it is still connected to Excel file from where I added it, and I need ...
0
votes
0answers
8 views

ERDAS: “Image and Aoi files have different map info. Aborting…”

I have an image 03.img and I want to apply Sub pixel classification on it. Since the image is rather big, I first clipped it with an AOI file (converted from a shape file). Next I applied ...
0
votes
0answers
6 views

Mapfish-print on Mapserver

I have a web map application that is built on MapServer in a Java Tomtcat container on Windows Server 2008. How can I install Mapfish-print in this setup?
1
vote
0answers
13 views

Is there a way to create layer summary Pie Charts?

In Qgis2.6. I want to create a pie chart to summarize the layer data. I have a layer of land use polygons (woodland, agricultural, urban etc.). I want a pie chart to show the % of each land use in the ...
1
vote
0answers
14 views

Simplifying geometries and calculating non-spatial averages

I'm quite new to using proper spatial tools, and have a simple question that doesn't immediately show up on google. I have a table that contains multiple rows of empiric data (say, speed of a ...
0
votes
1answer
28 views

QGIS 2.6 - creating contours from points

I can't find the example model "contours from points" in QGIS 2.6. Is there another tool for creating contours from points, besides the QGIS Contour plugin?
-3
votes
0answers
22 views

How do i create a simple square polygon from Python through arcpy? [duplicate]

I do not need a google search result because I checked. I need to see a code. This has been super difficult for me. Please help.
-1
votes
0answers
29 views

Error creating polygons with ArcPy [on hold]

Based on the example from this page, running the code below results in an error message. Can someone take a look and tell me what I am doing wrong? import arcpy # A list of features and coordinate ...
1
vote
2answers
47 views

“Phantom” features showing up in QGIS 2.4

I tried searching for this, but am unsure exactly what my problem is. I am using QGIS 2.4 on Windows 8.1. I have a project in which I have been digitizing from OpenMaps. Last night I was doing some ...
0
votes
0answers
12 views

Arcmap not changing to landscape view?

Arcmap refuses to change my layout view to landscape when I change the options in Page and Print setup. It keeps the exact same portrait box as before.
0
votes
0answers
9 views

cannot figure out choloropleth map with kartograph.js

I am trying to make a very simple choropleth map uisng kartograph. i am able to create simple svg world map but i cannot figure out how to create a choropleth map with kartograph.js. The map falls ...
0
votes
0answers
16 views

gdalwarp with NETCDF files

I have been looking for it for a while but couldn't find what exactly I need. I have WRF outputs in NETCDF format and I want to convert them to Geotiffs with gdalwarp. I think my -s_srs should be ...
2
votes
2answers
22 views

How can I avoid incomplete wms layers when exporting large maps in qgis 2.6?

I have a QGIS 2.6 project with around 20 vector layers and on wms layer (working on Ubuntu 14.04). WMS rendering works OK, altough a little bit slow, and exporting A4-size maps also works properly ...
1
vote
0answers
19 views

How to create network dataset for train lines with points representing train stations in ArcGIS 10.2?

I would like to build a network dataset that that includes a line shapefile representing train lines and a point shapefile indicating train stations along those lines. When I right-click on the ...
0
votes
0answers
18 views

Merging different layers with same classes, but attributes overlap

I want to merge several layers (vector polygons) that all contain a field about land use. I would like to give weights on combining these layers in order to get one "land use" per polygon, but I ...
0
votes
0answers
12 views

Where do I get the coordinates of (african) borders from? [duplicate]

I want to draw a map of africa. Therefore I tried to find the coordinates of the coast and the borders as latitude/longitude. Where can I download this data for free, preferably in Excel format?
0
votes
1answer
9 views

pgrouting with wms

I able to successfully perform pgrouting using wms but I am looking to show the cost (the length) on the webpage (not only the line on the map but the length of the line) some where in a div next to ...
0
votes
1answer
22 views

QGIS Print Composer producing angled graticule lines that look like rectangles instead of squares?

I just tried to create an extremely simple map made of one layer loaded as WMS layer from Croatia's geoportal (http://geoportal.dgu.hr/wms). I successfully loaded the necessary layer and created ...
1
vote
1answer
17 views

QGIS graticule coordinates in print composer starting from 0?

I am not sure how to explain the problem correctly as my English isn't as great as it should be - but let me try anyway. I just tried to create an extremely simple map made of one layer loaded as ...
2
votes
1answer
33 views

How can I transfer waypoints and tracks from Base Camp into QGIS2.6?

I'm working on transferring all my field data from Garmin Base Camp onto QGIS. This is an attempt to overcome the learning curve from basic trail GPS mapping programs to the real thing. I'd like to ...
1
vote
0answers
21 views

How to calculate average wind speed at a particular location (given longitude and latitude)?

I am using ArcGIS 10.2 and new to this software. My question iss I have time series wind speed data in netCDF form. I extract netCDF in raster form after that in table form. Now I need How to ...
0
votes
0answers
12 views

How do I upload netcdf and hdf files to Geonode? [on hold]

What is the best way to upload netcdf and hdf files to Geonode? Are those formats supported natively, do I have to access them programatically, or do I need to convert to another format first?
0
votes
0answers
7 views

Auto populate a field with last entry in ArcPAD

Am trying to auto fill a field with the previous entry in this example it is road name. I have searched fairly extensively but the best I found was here: ...
2
votes
1answer
37 views

Join only if one line line intersects buffer. Do not if two

I've got a road network (line features) and a trip of GPS-Points. I want to join attributes from the road network to every point. So for each point i create a buffer. If the buffer intersects with a ...
1
vote
1answer
18 views

Add custom variables to leaflet polyline

I'm drawing a route on a map with leaflet. I'd like to click on any point in the line and display the speed and time at that point in a popup ($speed[$i]). latlngs = [<?php for ...
0
votes
0answers
16 views

Create Feature Class does not have any input fields present?

I'm using ArcMap10.2 and when tying to create feature classes, empty tool is displayed. when i click OK "error 000735 :feature class:name is required "is displayed.
1
vote
2answers
22 views

Why does clipping polygons result in no features?

I'm using QGIS 2.6. I'm trying to clip the polygons in one layer by another but cannot get the results I expect. I have a layer with wetland areas, and another layer with the boundary of my client's ...
0
votes
1answer
20 views

How to avoid the ESRI basemap (Bing imagery) to update?

In my ongoing research, I intend to map transformations. That implies that, based on the ESRI basemap from Bing imagery, I draw certain features (in different layers) as they are today and as they are ...
0
votes
1answer
36 views

Project from Datum Nad27 to WGS84

This should be simple: have a shapefile in UTM z16 DatumNad27 and want to transform it to Datum WGS84 latlon I am using Qgis 2.6 Sorry I am going to clarify, with the steps taken: 1- XY data of a ...
1
vote
0answers
19 views

Serious application error when trying to Export Map

I'm experiencing a new error that hasn't occurred before even thought I have been using ArcGIS 10.1, on this laptop, for over a year. When I go to File>Export Map, ArcMap closes immediately (before ...
0
votes
0answers
17 views

How to load an ENVI file into ArcGIS?

I received a series of *.img files with a single .hdr file that contains the necessary georeferencing information (i.e., samples, lines, coord system, etc.). I presume this is an ENVI header file ...
2
votes
1answer
33 views

ArcMap many-to-many join

I'm working in ArcMap 10 and can move around in R, though am not an expert. I have a shp file and an xlsx file. The shp file is 20,221 rows and includes a field GID (grid ID) which is not unique ...
0
votes
0answers
14 views

Is it possible to label pie/bar charts in MapInfo Pro v10.0?

What I have in mind looks something like this... or like this... The idea is to get values/percentages shown next to the pie/bar chart. If it is not possible to do it in MapInfo, is there some ...
1
vote
0answers
16 views

Web Server/Technology to work with Raster-Imagery Data

I am in the process of designing a web application which will allow the end users to load raster imagery data (size range from 300 MB to 500 MB) as a back ground map and a corresponding OLD JPEG image ...
2
votes
0answers
12 views

ogr2ogr fileGDB translating points

I am converting data from spatialite to fileGDB (and reverse) for a project using QGIS and ArcGIS. When I convert using ogr2ogr (or QGIS) from spatialite to fileGDB, the points are translated ...
0
votes
0answers
6 views

GeoServer 2.6 + PostgreSQL 9.3.5, GeoServer becoming unresponsive

We're displaying point vector data on a web client using an OpenLayers (2.12) WMS layer... rendered via a GeoServer SQL View reading from data in PostgreSQL. The particular layer has a viewParam on ...
1
vote
0answers
29 views

Creating multiple routes at same time with different stop locations using ArcGIS Network Analyst?

I have a feature class that contains about 500 cross-streets locations and another feature class that contains about 1800 locations. I need to create a route from each cross-street to 1-6 locations. ...
0
votes
0answers
28 views

Legal description polygon mapping/creation with Arcpy

What I have: an excel file with the names of properties within an area that is part of the PLSS in which Township/Range, Section and Lot numbers are used. The file contains a legal description for ...
0
votes
0answers
5 views

Geowebcache is does not seed from rest and web UI

I am trying CURL to seed geowebcache: curl -v -u USERNAME:PASSWORD -XPOST -H "Content-type: text/xml" -d ...
1
vote
0answers
17 views

Is spatial reference information suceptible to be translated?

In an English application that uses ArcObjects API from ESRI, the information regards the spatial reference system is displayed in English as the API gives it. If the application is translated to ...
3
votes
1answer
24 views

Systematic sampling by FID

I have a shapefile created by a corn planter. It creates a point for each planting row every second. So a 16-row planter creates 16 points as it goes along the field. As a consequence, a small 30-acre ...

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