0
votes
0answers
3 views

Automatically create files that are compatible with other software

[The subject of this question sucks -please suggest a better title] 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 ...
0
votes
0answers
5 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. Any advice would be appreciated.
1
vote
0answers
5 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
6 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
5 views

Is there something like postgis for mariaDB?

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 ...
1
vote
1answer
12 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 ...
0
votes
0answers
2 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 liberary which helps me to do it..Do you know any liberary for this porpuse? The liberary ...
0
votes
0answers
2 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 ...
0
votes
0answers
4 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 ...
0
votes
0answers
7 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 ?
0
votes
0answers
14 views

How to open a shapefile using ArgParse in Python?

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 = ...
1
vote
0answers
4 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
7 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
3 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
0answers
21 views

Strange names of swedish cities

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 ...
0
votes
1answer
15 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 ...
0
votes
0answers
4 views

In a Geoserver Layer how do you make the color ramp smaller?

Is there a way to resize a color ramp decoration in a geoserver layer? As you can see in the WMS jpg request below the ramp overlaps my map. I know how to anchor and move the color ramp, but ...
0
votes
0answers
13 views

Measure Point Along a Line

Looking to find Distance along a line by a user input. Here is my code: def onMouseDownMap(self, x, y, Button, Shift): mxd = arcpy.mapping.Mapdocuument("CURRENT") df = ...
0
votes
0answers
8 views

Off-setting a single character in a text box

I am attempting to offset an ESRI character (the bird in the image) to be bottom-alignment with Location X. Is there any type of formatting tag that might allow me to shift the character upward? I ...
2
votes
0answers
9 views

Unexpected behaviour using ST_Equals() with QGIS

Let's say there is a table 'polygon_a' and a table 'polygon_b'. Each table contains three polygon features. The polygon features are spatially equal. CREATE TABLE polygon_a ( gid serial NOT NULL, ...
1
vote
2answers
25 views

QGIS: several layers - query

I need GIS in a research-project to calculate the potential of different energy ressources. I used GIS (ArcGis) a few years ago - now we use QGIS in that project and it feels like I am a beginner ...
1
vote
1answer
11 views

Doing spatial correlation between two layers on ArcGIS?

I have two datasets and I'm trying to determine the extent of their spatial relationship. I suspect they are closely related but I would like to produce a map output to illustrate this relationship. ...
1
vote
1answer
12 views

Using ESRI character font (“Environmental & Icons”) with formatting tag in layout text box

I am attempting to use a character from the ESRI Environmental & Icons font collection (A bird in particular). I went into my character map tool and found the one I want (symbol right ...
1
vote
0answers
10 views

ArcGIS - Location/format of inserted pictures

I have an old mxd that uses several hundred custom made picture marker symbols. We don't know where the image files that were inserted as pictures marker symbols are, or what format they were in. ...
1
vote
0answers
6 views

QGIS graphical modeler: how to automatically enter parameters in r.drain.coordinate tool

i am carrying out a cost least path analysis and i am using QGIS. The processing tools i am using are: r.cost.full and then r.drain.coordinate Considering i have more than 1000 layer to process ...
0
votes
0answers
12 views

update query with st_intersects() is not finding results

So I am trying to identify which items from the requests table fall into some particular district from the district table using postgis. Basically, I am writing an UPDATE query that will take the ...
0
votes
0answers
7 views

I need information on a geocoding service that hosts and provides validation for addresses?

My company is looking to find a new service that can host our GIS parcel data, offer validation when addresses are entered from our site, and return owner name in addition to custom location data. ...
1
vote
0answers
4 views

Display time param as decoration in WMS request

Is there a way to add dynamic text decoration via a geoserver layout.xml that reflects the &time param of a geoserver WMS request? I know from here how to display frame parameters as decorations ...
2
votes
0answers
29 views

Django and Osgeo (closed)

I want to use osgeo tools in a virtualenv with Django. I already followed the directions in the Django manual succesfully on different linux systems. But this time I got stuck while intalling GDAL. ...
1
vote
0answers
6 views

map.axes control in R

I am learning how to use map functions in R. How can you control the axis labels in R when using map.axes ()? Right now the map displays only the degrees. I would like to have finer control so that ...
1
vote
1answer
12 views

Get a JSON return from a Overpass API call

From this call: https://www.overpass-api.de/api/xapi?node[highway=speed_camera][bbox=-5.708215989569187,43.46669501043081,-5.605835010430813,43.588927989569186] I'm trying to get a JSON return. ...
1
vote
1answer
16 views

Tabulate area tool's output results units?

Hello I have a quite simple question. I'm using ArcGIS and I have tried to calculate the area of each different land cover class in a raster of 25m size in British National Grid coordinate system. To ...
2
votes
0answers
12 views

qgis2web problem with lots of data

A few month ago I was able to make a polygon map of population: http://supermap.hostei.com Today I opened the same QGIS project and tried qgis2web again. The plugin interface had responding ...
1
vote
1answer
16 views

Renaming Output feature classes

I am running two models using an iterator in each. I want my output (feature class in a GDB) to be named after the field value from which it was selected as opposed to "I_feature1_join1', etc.
1
vote
0answers
41 views

Route Layer with ArcPy and OSM Data - very slow

This is my first attempt at using arcpy: I have two CSVs which have columns: CSV1: join|id_a|lat_a|lon_a CSV2: join|id_b|lat_b|lon_b Each has got 100 rows of data. I would like to write a script ...
1
vote
0answers
8 views

A missing feature class in the list when adding classes to a new network dataset

I´m having a problem here when creating a new Network Dataset. Firstly I select the feature classes from the list that will participate in the network dataset. I have a feature dataset under a ...
5
votes
3answers
95 views

How to select specific rows of polygons from a grid in QGIS?

I have a polygon layer. I would like to select every second row of the polygons but not manually. Is there an expression to select every second row as seen on the picture with Select by expression in ...
1
vote
0answers
15 views

Layers disappear, ArcGIS layout mode

The top two layers in my table of contents are the most important. Streams and some point shapefiles. They overlay a raster. In layout mode I switched from portrait to landscape. Immediately the ...
2
votes
0answers
10 views

TopoGeometry commands with postgres are really slow

After messing around quite a while, I was finally able to get a topogeometry converted from my geometry table following the example of toTopoGeom. I have the topology extension, with a topology schema ...
2
votes
1answer
26 views

Convert CSV file format to Breakline CSV format file [on hold]

I have a csv file with almost 36000 rows.The format of csv file is x,y,Polygon number, Z I would like to arrange this csv file in the below mentioned format. Let’s say in this example, Polygon ...
1
vote
0answers
19 views

How to remove projection in terminal from .shp file with valid .prj available

I have .prj, .shp, .sbn, .sbx, .shx, .dbf files where the content of the .prj file is the following: ...
2
votes
1answer
27 views

Where is the field mapping for Attribute Transfer tool stored?

I can't seem to find any patterns in when the source-destination field mapping is preserved. Is this stored in the database, map document, or elsewhere? I'd like to know so I don't have to create the ...
1
vote
0answers
6 views

How to use TerriaJS in a Rails Application?

I am looking to install TerriaJS as a Cesium/Leaflet replacement for the geospatial piece I have running on my web application. I have looked at Github and the wiki with the TerriaJS application and I ...
2
votes
0answers
36 views

Iteration from a text file

Trying to determine logic to create a line from the points for each Line_X number Example: Create array of points, then a polyline for all points of Line_1, then Line_2, etc. pointList = ...
1
vote
0answers
26 views

Problem in polygon division using the union tool from QGIS

I am trying to overlay two polygon layers using the union tool from QGIS, to then compute the areas from the resulting polygons. However, in the resulting layer some polygons are not divided as ...
1
vote
0answers
9 views

OSM2PO Postgres to graph for A*

I have created a directed graph from the nodes stored within my Postgres db but the resulting graph doesn't seem to be fully connected and as a result my shortest path algorithm is not able to find a ...
1
vote
0answers
8 views

Openlayers 3 - click under geolocation layer

I am using geolocation feature of Openlayers 3.13, as in the examples. (http://openlayers.org/en/v3.13.0/examples/geolocation.html) However I also have queryable point layers, and when I track the ...
1
vote
0answers
14 views

Best SRID for worldwide data in Microsoft Sql Server geometry field?

I'm using Microsoft Sql Server 2012 to store geographical data related to hydrometeorological stations which are scattered around the globe (point layers and multipolygon layers). My data is in WGS84 ...
1
vote
1answer
16 views

Editing polyline data, cant snap or modify feature

Editing in Desktop standard 10.3 and I am having issues with snapping polylines. I keep getting the same error below when I try to snap or move a line. Any ideas On why this might be happening?
3
votes
0answers
26 views

Merge RGB band using python

I need to merge the RGB bands of three TIFF images. I'm trying to use a PIL library (Python Imaging Library), but this execution error happens: Traceback (most recent call last): File ...

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