0
votes
0answers
2 views

How to get the layer name with a arcpy code

Using the FeatureToPoint tool I've having difficulty calling just the name for file without the extension or path. Here is the part of the script that I'm creating that Im stuck on. eg. ...
0
votes
0answers
4 views

Time Manager coalesce frames with mencoder

I need some guidance putting the exported frames together from Time Manager. I saw your line about mencoder, so I downloaded it along with mplayer, but I'm not sure how to use them. The .exe files do ...
-1
votes
0answers
5 views

best algorithm to trace stream network in flat areas

i want to ask you what method do you suggest me for to trace stream network in flat areas and please explain me how to deal with the previous preapration of the DEM regards many thanks
0
votes
0answers
5 views

legend and coloring the clusters in plotgooglemaps in R

I have a data frame (X) that looks like this: code cluster name longt latit 101 1 A -89.6171 35.24992 105 1 B -90.0154 35.10510 106 2 C ...
0
votes
0answers
4 views

GRASS: How to remove several categories from a geometry?

I am totally new to GRASS (and have found it difficult to get into that way of thinking and its terminology). I use grass70 under Ubuntu 14.04. I have the following problem which I have tried to ...
0
votes
0answers
9 views

QGIS vector line layer doesnt accept cyrillic letters

In QGIS 2.6 vector line layer doesnt accept cyrillic letters, how can i fix this? For polygon it it works fine but for line and point it only gives me set of question marks - ?????
0
votes
0answers
4 views

Converting a table to a raster for clipping

I have a series of tables (TAB files) that represent the calculated values for a corresponding .tif image. These tab files have the same number of rows and columns as pixels in the tif images. The ...
0
votes
0answers
7 views

Why does one polygon disappear when merging in edit mode?

I want to merge some polygons into one using the merge tool. But when doing so, one of the polygons just disappears (see screenshot 2). Why does this happen? My system: QGIS 2.6.0; Linux Mint 17
1
vote
1answer
14 views

What's the easiest way to create a point at a specific distance along a line in ArcMap?

I have a road (line) system and would like to place culverts (point) at specific distance along the road. The Construct Points tool creates multiple points spaced out at the users specified interval, ...
1
vote
2answers
27 views

Extract elevation points from a line

I know that maybe this question has got an answer, but I need to extract elevation data from a line of a defined length (p.e. 300 meters) also I want the sowftware (QGIS or ArcGIS) to draw this lines ...
0
votes
0answers
7 views

Selected features are identified improperly from a service,

Selected features are identified improperly from a service, We couldn’t figure out why a service fail to provide correct identification for the selected feature. However, the scenarios below may ...
1
vote
1answer
8 views

What is the parantHWnd parameter used in some ArcObjects methods?

So the parameter parentHWnd appears in a number of ArcObjects methods, such as iExportOperation.ExportFeatureClass. Does anyone know what the parameter is? I can't seem to find any explanation. The ...
0
votes
0answers
8 views

QGIS 2.4.0 CRS reprojection creates empty files and goes generally nuts

I consider myself an intermediate GIS user but keep running in a problem with the newest QGIS version I cannot fix and wonder if it may be a bug or if I am just too stupid. The problem mostly centers ...
2
votes
0answers
11 views

How to load all items from a template with pyQGIS in QGIS 2.6

Since QGIS 2.6, the LoadFromTemplate method seems not work any more (or works differently?) This is my code to add items in my composer from a template : self.composition = ...
0
votes
1answer
14 views

How to remove red cross in print composer? [duplicate]

My problem is with the print composer: it shows a huge red cross. I thought it is because of a wrong image format, because there was a smaller cross on one of the images. So I deleted it, then deleted ...
0
votes
0answers
13 views

Replace Domains of ArcGIS 10.1

I need to Replace the Domain on Filed level on my Geodatabase. My Geodatabase having multiple features and tables where at each on field one Domain is assigned, I need to replace that Domain and ...
0
votes
0answers
11 views

Connecting points with lines

I am rephrasing my problem. I have the centre of some buildings (polygons)and the road network of the area. The road network will be used as pipes' network as well.So I want to connect each building ...
0
votes
1answer
20 views

QGIS abbreviate labels with dictionary

I'm trying to use qgis "expression dialog" for labeling a layer. What I'm looking for is an expression that permits to apply some abbreviation rules on the layer. For now i'm using this CASE WHEN ...
0
votes
1answer
14 views

Leaflet Layer Controler

I've got a strange behavior with my map. I wanted to have to basemaps and one overlay. I've defined classes but when I try to change them via LayerControl I only get one same map. Could you please ...
1
vote
2answers
33 views

ArcGIS Model Builder: Subtract two daily rasters based on name. How?

I'm not creative today it seems and I haven't found a way to do the following: I have two folders each containing 10,000+ raster files for daily values with names like 19810101_A and 19810101_B for ...
0
votes
0answers
15 views

How to make connection

How to connect a argis, sde version through stand alone python script. SDE.Mapping is child version of SDE.Default and I want to make child version of SDE.Mapping . I am using direct sde services
1
vote
2answers
74 views

How to convert WGS84 coordinates(B,L) to spherical coordinates(phi,lambda)? I Need Formulae?

the thing I'm wondering seems quite simple but I've been searching through internet and library of my school about 3 days. I've found nothing about this. Maybe someone have done this before?
2
votes
0answers
8 views

Nominatim: Always getting “unable to geocode”

I've installed Nominatim and everything seems to work fine, but whenever I try to use the reverse geocoding API, all I get is "unable to geocode". Strangely, the search function works well and returns ...
0
votes
1answer
12 views

Many ELSE statement in Expression in QGIS (2.6) [duplicate]

is it possible to have more than one ELSE in the CASE WHEN statement in the Expression builder in QGIS? For example: CASE WHEN "population" > 5000 THEN 'big' ELIF WHEN "population" > 1500 THEN ...
0
votes
0answers
8 views

Grass GIS “v.in.ogr”: How to prevent crossing lines from beeing split where they don't share a common node?

I want to import a road network into grass gis to run network analyses. I use "v.in.ogr" to import my road shapefile. The problem is that Grass GIS seems to split every crossing line no matter if they ...
1
vote
0answers
14 views

How to highlight the number of overlayed lines in ArcMap?

Using ArcMap 10.2, I have a feature class composed of several lines representing bus routes for the same transit line. There are different routes according to schedules. In the image below, each route ...
0
votes
0answers
10 views

How do we overcome the GRASS problem? [duplicate]

It appears that whichever version of QGIS I download when I open the program the same GRASS plugin window tells me "QGIS couldn't find your GRASS installation. Would you like to specify path (GISBASE) ...
0
votes
0answers
12 views

How to solve coordinate differences between packages [on hold]

I have two maps generated by two different methods. The first, I used maps package and the function map() and symbols(). On the other hand, I used the ggmap package with the ggmap() and geom_point() ...
0
votes
0answers
4 views

QGIS 2.4 - DB Manager - Spatialite Database - Added columns not shown - How to apply fix by Kuhn?

First: I´m only using the built in menus of QGIS 2.4, not entering code manually. I have a simple Spatialite Database with a Polygon Layer and two columns (Text_ID and Description). I used DB Manager ...
0
votes
1answer
7 views

Use coordinates from Geotools geometry-object to send request to Webserver

I have a polygon as a Geotools Geometry Object. No I want to use the coordinates of the polygon to send a request to a webserver. The webserver demands the coordinates to be in the following format ...
1
vote
1answer
15 views

add points when joining two datasets together in ArcGIS

I am trying to join an excel file with a shapefile based on a zipcode. My problem is that I have multiple persons with the same zip code, but it joins only 1 of those persons. Is it possible to ...
0
votes
0answers
7 views

osm2pgsql cannot connect to postgis database, running on a Bitnami project installer

Based on this guide I am trying to import an .osm.pbf file into my PostGIS database, which is running on my Postgres Bitnami installation here: [bitnami@ip-xxx]/usr/share/proj$ which postgres ...
0
votes
1answer
13 views

Defining attribution in OpenLayers3

Can't define options for source attribution. What is the right way to do this? Tried this two approaches> (My attribution does not change: is open and with default labels ) var tile_photo = new ...
0
votes
1answer
16 views

Problem with connecting remote WMS connection to GeoServer

In my geoserver admin panel I try to connect new stores - remote WMS connection: ...
0
votes
1answer
18 views

Changing mouse wheel zoom settings in QGIS?

I'm having a problem with the mouse wheel zoom setting on my macbook trackpad. The zoom occurs far too quickly for any level of precision. I noted this comment in the dev log: 2004-08-14 [gsherman] ...
0
votes
0answers
15 views

Spatialite in GeoDjango - “…they do not properly define db_type…”

I've started a new project and choose GeoDjango for it. Because I already developed with Django and sqlite as a DBMS and all worked perfectly fine for me, I found it a great option to use spatialite ...
0
votes
0answers
14 views

How to convert geometric point to geographic point in SQL Server?

I am new to sql geometric and geographic types What I need is a way to convert a sql table of geometric points into geographic points?
0
votes
0answers
5 views

How to save features via OpenLayers.Layer.Vector for each session seprately (multi-session environment)

I have a question. I would appreciate if you could help out. I have a web application which uses OpenLayers to overlay a network dataset through GeoServer on a map. Users could add features to the ...
-1
votes
0answers
12 views

How to run cartodb automatically on start up

How can I start cartodb and have it on always even after server boot or shell access is closed
0
votes
0answers
18 views

Why are Lat/Lon Coordinates often displayed as Lon/Lat in data sets? [duplicate]

Why are Lat/Lon Coordinates often displayed as Lon/Lat in data sets? Thanks in advanced!
0
votes
0answers
18 views

Cannot display x,y data [duplicate]

I have trouble to display x,y data in UTM coordinates from xls file. It just shows on table of content and do not appear on working screen in Arcmap 10.1. When I check the map scale it different with ...
0
votes
1answer
13 views

QGIS - use atlas attribute with 'Like' command

Does anyone know how to use the new get Attribute function in conjunction with the "Like" command? I have a table with an Attribute "Sub_Region" and want to show the features that match the atlas ...
1
vote
2answers
69 views

What causes ERROR 000210: Cannot create output in_memory\AND from ArcPy?

The ArcGIS for Desktop "ERROR 000210: Cannot create output" has been reported on this site a number of times but an in_memory workspace seems to have been implicated only once: ERROR 000210: ...
2
votes
0answers
33 views

Create “mean” line from multiple lines using QGIS

I have multiple lines features (also have them in multipoints...) representing similar path (mountain trails, in this case) with various GPS precision, resulting in many lines close to each other, but ...
0
votes
1answer
22 views

Building heights above DEM through field calculator

I have a series of building polygons which I would like to convert to a raster illustrating their height. I have the building heights but not their elevation above sea level datum. I have the ...
3
votes
1answer
70 views

“Singleparts to multipart” vs. “Dissolve”

It seems to me that the vector tools "Singleparts to multipart" and "Dissolve" do the same things. Can someone confirm this, please? Or do I overlook something?
0
votes
1answer
12 views

Creating a spatial reference in arcpy from projection name

I am using ArcGIS 10.2.2, Python 2.7. I want to create a spatial reference from the name of a projection, e.g. NAD_1983_BC_Environment_Albers, using the arcpy tool ...
2
votes
0answers
23 views

How to connect centroids of lines sharing the same intersection in QGis?

I'm looking for a big help to accomplish the following task: I have this street network of the center of Turin (IT), composed by lines representing streets, and black points representing ...
0
votes
0answers
13 views

Concise guide to actually display a map in a web server

I'been looking for countless hours for a guide or step by step procedure to actually end up with a web browser showing a MAP. I'm using windows 7 and have OSGeo4w running along with apache, that ...
1
vote
1answer
10 views

How to define layer style for KML layer within OGR Virtual Format?

I have the following OGR virtual format data source, which includes a few GeoJSON files and one KML file: <OGRVRTDataSource> <OGRVRTUnionLayer name="union"> ...

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