0
votes
0answers
17 views

How to introduce excel file in modelbuilder

I want to make a model with some excel tables that I have with coordinates and another parameter. I need to "transform" that tables in point shapefiles but I don't know how to do that in Modelbuilder, ...
5
votes
1answer
69 views

Why are all tiles white when using the OpenLayers plugin?

I installed the OpenLayers-Plugin and set the CRS to EPSG:3857. When I go to Web / OpenLayers plugin I get the menu with the various maps, but whatever map I choose, all the tiles are white. The ...
1
vote
1answer
38 views

Why did my data points shift position?

Here is an example of my issue: There are two point layers displayed in this image: The yellow dots are my currently used layer with the most updated data. The green dots are legacy data from when ...
1
vote
4answers
156 views

Python script for Field Calculator. ArcGis 10.2.2

I have a point shapefile with two columns i want to process. The first column is aspect and the second is aspect_m60, there is only one row with the aspect of my point. I have tried to write a script ...
0
votes
1answer
24 views

Displaying KML data with a user selection

I want to web map some historical cyclones data which are now in KML files, file/year. So I want the user to select a year from a button and the KML files will be displayed on interactive map). I ...
2
votes
2answers
56 views

Best Projection for Getis Ord Gi* Statistic Analysis

I am about to calculate the Getis Ord Gi* statistic for some rasters whose extents are global. In choosing a projection, do I want to preserve distance (e.g. equidistant) to obtain accurate ...
1
vote
1answer
33 views

Distance of points to nearest polygon edge in ArcGIS 10.2

I have a point feature class that consists of a systematic grid of points across a landscape. I also have a shapefile consisting of several polygons. For each point in the feature class, I'd like to ...
2
votes
3answers
33 views

How to export a GTiff with its GDAL colour table, in GRASS, which is suitable for Adobe Illustrator?

I've created a new raster in GRASS, starting from a dem and using the commands r.relief and r.shade. Now I would like to export this new raster as a georeferenced image and import it in Adobe ...
0
votes
0answers
10 views

Cannot display labels properly with SLD style

I'm using sld to visualize partner name on my chart. The point is that I can't ever visualize all the names at once! This is my code: <?xml version="1.0" ...
0
votes
0answers
13 views

My WFS transaction send read only after restart geoserver

I have java8, tomcat8 and Geoserver 2.7 on centos 6.6. I am using basic authentification and I have set up the following: A role(ROLE_WFS_WRITE), A user which belongs to the role above, Data ...
0
votes
1answer
14 views

Leafletjs : combine location data in geoJSON/KML/GPX with other information in CSV through key field

I've been able to load CSV having lat-long co-ordinates into leaflet using this useful solution. Looking for ways to cross-link co-ordinates from a different source and data from another. Describing ...
-1
votes
0answers
11 views

Maps - mobile devices [on hold]

We have noticed that our maps aren´t visible at mobile devices anymore – for a couple of weeks it was ok. Desktop is alright. Is there something we can change or is something wrong? ...
0
votes
0answers
26 views

Convert WGS 84 cartesian 3D coordinates(x,y,z) to geographic coordinate (lat/long) [duplicate]

Do you know where can I find the formula and data needed to effectuate this conversion? Sorry I don't give enough information. I get the description file of a CORS ...
0
votes
1answer
13 views

gxp_GoogleStreetViewPanel

is there any available example online, or anybody could help me to figure out how can I use the GoogleStreetViewPanel widget in the opengeo suit sdk? I tought it will work like this: { xtype: ...
0
votes
2answers
38 views

Spatial join using FME

I have two data sets, one is a polygon data set (Norwegian counties) and the other is points (roadkill incidence data). I want to do a spatial join where the points dataset inherits attributes ...
0
votes
2answers
36 views

Touched lines but not connected in ArcGIS 10.x

Ι convert a contour file DWG to SHP file. The lines are touched but disconnected and they are broken in many places. Is there an automated way with a particular tolerance to automatically connect the ...
-3
votes
0answers
35 views

Where oh where did my feature go?

After copying/pasting features from one class to create a new feature class, I needed to add one more feature. So I copied one of the features from the new class and edited it do it fit, then changed ...
1
vote
1answer
29 views

Accuracy assessment in eCognition

How to do accuracy assessment of classified images in ecognition? I have done the image segmentation for Worldview-2 image. Then, I have processed for classification for class names (e.g ...
1
vote
1answer
24 views

How can a QGIS user plugin reflect the events of UI?

I am developing a plugin for QGIS 2.8 which uses the data of the active layer. It has a dockable window. When the user changes the active layer, the contents of the plugin window's widgets must ...
2
votes
0answers
27 views

Error inserting new column in ArcSDE table (ERROR 999999)

I am using a python script to populate a table with values I get from rasters files. I use arcpy.AddField_management to add a new column and arcpy.CalculateField_management to insert the values for ...
2
votes
1answer
58 views

Conditional Value Map widget in QGIS

I am looking for a way to implement conditional value mapping in QGIS. This means that the values available in attribute number 2 depend on the value provided in attribute 1. Example: If the user ...
0
votes
0answers
11 views

How to retrieve the results of a map service query as tiled images ?

I have a map service with 100k ++ points. I am using feature layer, and definition expression to perform filtering. The performace is poor. I have tried clustering but it still struggles since there ...
0
votes
0answers
8 views

Unable to create a model from a preexisting spatial database in Postgresql, .NET provider for postgresql doesn't exist

I'm having this problem that's blocking me for over 4 days now. I'm developing a WCF webservice and tried connecting to my Postgresql spatial database (created in ArcCatalog) via Visual Studio 2010. I ...
0
votes
0answers
13 views

How to visualize GPS dataset fro MysQL database and select dense areas

I am using Geolife dataset for simulation. I followed the pre-processing data tutorial to store all .plt files in a mysql database and export it in a .csv file. However, I want to select the ...
1
vote
0answers
35 views

Labelling expression - How to combine two different functions?

I'm not an expert of scripting and programming, I need to use these two functions in the labelling expression in ArcGIS. How can I combine this: Function FindLabel ( [toponimo] , [testo] ) ...
0
votes
0answers
18 views

import OpenStreetMaps Data fails

I work in project of geocoding so i want to import the OpenStreetMaps Data. i created a database and name it nominatim and i tried this command: sudo ./utils/setup.php --osm-file ...
1
vote
1answer
32 views

Merging small area units [duplicate]

I am working with population data organised in parish units for the whole of Denmark. Many parishes are very small (ie <500 inhabitants compared to a median of around 1500) so I plan to merge these ...
2
votes
1answer
52 views

Create common vertexes between shared polygon boundaries in PostGis?

Given two polygon tables L1 (blue) and L2 (red) that share a common boundary but different amount of vertexes, how can one make the shared boundary identical (they should share the same vertexes) ? ...
0
votes
0answers
13 views

Cutting a shape from a VRT file with gdal warp

I have a couple of overlapping tif files which I want first to merge and then to clip a shape file from the result tif. The problem is that the tifs are pretty big and when the tiffs are overlapping ...
0
votes
1answer
11 views

send SPECS to mapFish service using POST method

I'm using mapFish print-servlet-1.1 and I generate the PDF from the default interface (index.html) from tomcat. The print service is a standalone service deploied on tomcat 7. If the form method is ...
0
votes
1answer
25 views

Latest shapefiles of Indian states

I need shapefiles of Indian states that of 2011 which has almost 671 districts of India. Can anyone please help me?
1
vote
0answers
15 views

QGIS/GeoJSON: Dissolve featurecollection consisting of polygons and multipolygons into a large multipolygon

I've read this question. I would like to know how to do this in QGIS. I have a Geojson file with a featurecollection, starting with: ...
3
votes
3answers
78 views

Insert cursor for first row in unique value set arcpy

I really need some guidance on how to create a python script with arcpy to: 1) Search through a table for unique values in a field. 2) For the first row in each unique valueset, insert that row into ...
1
vote
1answer
35 views

Export to .dbf and .mdb

A have a number of shapefiles and I want to export their attribute table to .dbf and .mdb (Microsoft Access file). How can I do this with ArcGis or with any other tools? Notice that I want to keep ...
0
votes
0answers
22 views

Predefined reports using ModelBuilder? [on hold]

I am new in ArcGIS and I am trying to use ModelBuilder. I want to generate predefined reports using some existing features. Some of the features are related. So i want to use only one field from ...
1
vote
0answers
25 views

Why does the transformation bring bad results?

I have this map which has a polygon drawn on it. For the background map I use a WMS via ol.source.TileWMS and the polygon uses a ol.source.Vector object. Normally my view projection is EPSG:31467 but ...
0
votes
0answers
16 views

Raster to point: 10 rows in the attribute table per 1 point

I have just made Raster to Point operation. In the output, if I select a point on the map, in the attribute table appear I have just selected 10 rows. How is it possible? Where, in the Raster to Point ...
1
vote
0answers
12 views

Displaying shapefiles on IOS app

I need to write a simple app for IPad that displays maps I was given. All maps are in one folder and they are shapefiles. I am able to open them in ArcGIS for desktop, however I am unable to attach ...
2
votes
1answer
43 views

How to change no data value from -32768 to -3.40282e+38 in raster in QGIS?

I am trying to change the null values of a raster from -32768 to -3.40282e+38 in QGIS. I tried using warp tool setting the no data values to my desired number but it did not change it. Then I used ...
0
votes
0answers
29 views

Python error in array declaration

I am getting a error as follows File "C:\Program Files (x86)\ArcGIS\Desktop10.3\ArcPy\arcpy__init__.py", line 2292, in NumPyArrayToRaster return _NumPyArrayToRaster(*args, **kwargs) ValueError: ...
2
votes
1answer
37 views

Can't connect to foreign SQL Server table from PosgreSQL using OGR_FDW

I'm using Windows 7, with PostgreSQL 9.3.6 installed and PostGIS 2.1.5. While I wish I could get everything into PostgreSQL, I can't and need to connect to another server running SQL Server. I need to ...
1
vote
2answers
58 views

Is there any library can perform polygons buffering/ inflating/ merge/ overlap at server side?

I have a set of polygon data express in lat long. I would like to perform some tasks (polygon buffering, inflating etc etc ..) in server side and output the result to client side (client is a web ...
0
votes
0answers
22 views

New value in attribute table for big amount of points

I have got a huge amount of points. I need to change their value according to thier current value. Ex. I have got 4000 points. 1000 with value 7 and 3000 with value 8. I have to select all those 1000 ...
0
votes
0answers
29 views

Wrong buffer distances from ArcGIS for Desktop? [on hold]

I am making a buffer from a point feature class, 70 meters buffer. ArcGIS gives me back a 50 meters buffer. A 90m buffer becames a 65m and so on.
0
votes
1answer
20 views

QGIS GPS not editing offline database

I have a set of layers from PostGIS that I have converted to offline. I am attempting to edit them via GPS. If the layer is point data, then I can add in that data without issue. However when I go to ...
-2
votes
0answers
24 views

Another set of questions - Cursors [on hold]

yet another set of question please: i) How do I use a cursor to parse through the features in this dataset to determine if any hydrants are more than ten years old (hint: use the Year_Const field). ...
0
votes
0answers
29 views

Joining the tables with the geometry

I have a large table (as a shapefile without geometry, just set of records) with data which has the refference to the other tables (as a shapefiles with specific geometry, reference as same ID's for ...
1
vote
1answer
26 views

How to sum up values within grid polygon in QGIS?

I have a grid full of hexagons that I am trying to bin points. However, instead of using the Vector > Analysis Tools > Points in Polygon which counts the number of point inside each hexagon, I'm ...
0
votes
1answer
23 views

ArcPy Lists, describe funtion, loop [on hold]

could someone please help with me with the following? Just need to get an idea of the flow of the code. i) How do you use the ListFeatureClasses function to create a list of all the shapefiles. Loop ...
1
vote
0answers
18 views

How can I convert electric utilities into water utilities?

I have GIS information for transmission lines, substations, and power generation facilities. I was able to import it into ArcGIS easily and create a geometric network. However, I'd really like to have ...

15 30 50 per page