0
votes
0answers
7 views

Conflict Between Regular Point Marker and Cluster Points

I have two functions ` createPoints(); and addClusters(); to create points and cluster points from JSON point values and I am switching the map presentation (Points<-->Cluster) by suing a ...
0
votes
0answers
20 views

ST_Union of ST_Touches = true in Postgis

This question has been asked in before, but for my level of experience I am hoping that someone could explain the solution in greater detail. I am using either PG Admin or QGIS. "POSTGIS="2.1.4 ...
0
votes
0answers
110 views

Script Error Invalid Pointer

I am just learning ArcGIS 10.2 and it was working well until I tried to use the Export to a Geodatabase (single) option for a dbs table I made. Since then, it seems I now get the same Script Error for ...
3
votes
1answer
37 views

What is the difference between data access's “SHAPE@XY” and “SHAPE@TRUECENTROID” tokens?

Data Access Search Cursor. What, if anything, is the difference between the tokens "SHAPE@XY" and "SHAPE@TRUECENTROID"? They returned the same coordnates on a test polygon: >>> cursor = ...
0
votes
1answer
180 views

Default error 400 GP clip and ship

I am running this script . I get a 400 error message. The message is the following: {"error":{"code":400,"message":"Unable to complete operation.","details":["Server environment property not found: ...
-1
votes
0answers
16 views

Curvature from 3 Points

I have 3 GPS points (latitudes & longitudes in spherical co-ordinates) and I need to calculate the curvature. How can this be done?
0
votes
0answers
18 views

32Bit QGIS 2.10 Problems with Gdal WMS TMS google maps layer

I have been using gdal wms layers to view various basemaps in QGIS. I am using this technique rather than open layers because this I can reproject gdal WMS layers as needed. When I get close to the ...
0
votes
0answers
24 views

draw a map from encoded polylines

I'm using the google maps web services service to find a route. From the json response I parse it encoded polylines and store it on coordinates String. private String parseJson(String s){ String ...
0
votes
0answers
5 views

MOBAC Osmdroid and Leaflet

I am having a lot of trouble creating a map for leaflet js. I am using Osmdroid zip. When I check a map example that works, the format (z,x,y) doesn't seem the same. I think there must be some ...
2
votes
2answers
260 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 ...
2
votes
1answer
149 views

How to refresh display for newly added labels with ArcObjects

I've added a shapefile to an MXD and Edited the symbolization of it with ArcObjects. Now I'm trying to edit the labeling with ArcObjects. I've successfully been able to edit the default class in the ...
2
votes
1answer
25 views

Return variable with GRASS GIS on a Windows machine

How do I return a variable in GRASS GIS on a Windows machine? For example I set a list of files to define my region. I already figured out that I can't use the bash command export, I need to use set ...
0
votes
0answers
13 views

Programmatically fetching current Add-In version using ArcGIS Pro SDK

The version of a custom ArcGIS Pro SDK Add-In is held in the config.daml of the Add-In project: <AddInInfo id="{some guid}" version="1.0" desktopVersion="1.1.3068"> How do I programmatically ...
0
votes
1answer
18 views

Display OSGB (EPSG: 27700) ArcGIS tile MapServer in OpenLayers 3

I am trying to add this ArcGIS OS Open Background map service in OpenLayers 3.7.0. http://tiles.arcgis.com/tiles/qHLhLQrcvEnxjtPr/arcgis/rest/services/OS_Open_Background_2/MapServer I set the ...
-3
votes
0answers
20 views

Auto refresh map service [duplicate]

I have batch process running at nights which modifies the data in table,i want to refresh my map service automatically when there change in data.
1
vote
0answers
20 views

QGIS 2.10 symbol rotation is absent

my layer is point, and the symbol are "ellipse" with categorized renderer. So I define rotation in data defined properties but the tool «rotate» still inactive (rotation data works in QGIS 2.8). Where ...
0
votes
2answers
154 views

Shapefile to Mysql error using ogr2ogr

I'm following this tutorial. I installed the “GDAL Complete” Framework from kyngchaos.com and I tested the installation on Mac. I have GDAL 1.11.2, released 2015/02/10. When I am trying to run this ...
1
vote
0answers
10 views

How to save imageoverlay state : leaflet

Introduction I am working with leaflet api, to create an application which uses two imageoverlays(added to map). Problem As i loaded two imageoverlays to map with fixed bounds. Now i am have put ...
0
votes
0answers
18 views

How to create nodes for oracle network analysis?

I'm new in oracle spatial but i know ArcGIS Network analyst.ArcGIS create nodes(Junctions)for routing automatically and uses the nodes in network analyst. In oracle spatial something is different ...
1
vote
0answers
11 views

Reference File Paths Stored as Attributes in Model Builder

I'm trying to design a model in Model Builder that will derive input files for a process from file paths stored in an index shapefile's attribute field. The two datasets involved are a shapefile ...
2
votes
1answer
83 views

QGIS just installed on MAC OSX - styles do not work properly

I am a newbie with QGIS - I have just installed QGIS 2.10.1-Pisa. I am following a youtube tutorial by Steven Bernard and I just found that the styles do not work properly (I run Mac OS X Lion 7.5.1. ...
2
votes
1answer
58 views

UpdateCursor Not Working

I'm writing a short script that iterates over a list of feature classes and sets values for a specific field ("Contour_Type"), based on the values in two other fields ("Type" and "Depression"). It ...
1
vote
0answers
22 views

write python ndarray to raster

I think I understood the steps to write an array to a raster file using python. however it doesn't work in my case and I don't know why. I have an array that I want to write to a Geotiff with Swiss ...
1
vote
3answers
270 views

Identifying Primary Key field of Layer in ArcGIS Server using ArcGIS API for JavaScript?

I need to get the primary key column of the Particular layer added in the Map. Usually 'FID' be found for a Shapefile Layer Source and OBJECTID found for a SDE source layer. Is there any way to ...
2
votes
0answers
48 views

ArcMap Label Help - Label from X/Y Coordinate

Edited: This picture might help explain my question. Here I have a point at the line with an X/Y coordinate. It also has a leader line to it. This leader line has an X2/Y2 coordinate. Both of ...
0
votes
1answer
28 views

Converting satellite image into raster

I am (very) new to GIS in general. I would like to convert a satellite image of a province into raster, assigning each pixel its own data (i.e., a number and a name) based on its html color code. For ...
0
votes
2answers
33 views

Export/Save graphic created in ArcMap

I created a legend for a Map with ArcMap 10.2.2. I converted it to graphic and want to export or save it as an image. How can I do? Can't figure it out.
1
vote
0answers
20 views

Openlayers 2 and Google Streets

I don't know why since yesterday Google Streets baselayer is not displayed if Google Hybrid is not selected first. I thought it was my fault but the same happens with the example: ...
3
votes
2answers
2k views

OpenLayers.Format.KML write style

I would like to apply a style to the KML that gets generated from the write() operation of OpenLayers.Format.KML. The current style that is on the vector layer does not get exported with this code: ...
2
votes
1answer
25 views

openstreetmap/postgis custom data

I'm a newbie and I'd like to realize a project based on a local OSM with postgis +mapnik +angular and leaflet. The project requirement is : An ACME company owns geographically distributed ...
2
votes
0answers
18 views

How to show only some layers in the QGIS legend

I hope this is still kind of a QGIS related question. My QGIS 2.8.2 standalone app provides several decorating layers (e.g. cartographic grid, background layers, reference points) which should be not ...
1
vote
0answers
11 views

Zonal statistics shifted

I am working with QGIS (newbie). I have a raster map with 0.5degrees resolution. I created a 0.5degrees width grid layer and I compute zonal statistics from the raster. My problem is that it seems to ...
4
votes
1answer
501 views

Configuring spatialite database access for Python 2.6.6

I'm working on a GIS project, and I would like to implement and test some geo-spatial algorithms in Python. For this purpose, I will not only need sqlite, but also spatialite, in order to store and ...
0
votes
1answer
27 views

Adding WMS Layer Leaflet Trouble

The Problem: I'm pretty new to leaflet and I'm trying to add a outline of the states over my OSM layer via WMS. I've found several tutorials online, some directly from the leaflet website but haven't ...
1
vote
1answer
52 views

Is it possible to change the geometry without startEditing the layer

I am working in c++/QT 4.5 with the QGis 2.8.2 API. I had to change the geometry of features in a layer each second. Each second new data comes from the Ethernet connection, the application gets the ...
0
votes
1answer
13 views

Custom Home Button In ArcGIS API for Javascript

Can you please take a look at This Demo and let me know how I can set up a custom home button var map; require(["esri/map", "esri/geometry/Point", "esri/symbols/SimpleMarkerSymbol", ...
0
votes
1answer
40 views

from two tables make a new one

I have two tables both of them has linestring geometry. I try to make a new one which contain the first one and from the second take only the decimal v when the linestring of the first table touch a ...
1
vote
2answers
53 views

Exporting/Printing to PDF, raster basemap has stripe(s) or band(s)

Now that my map is pretty and perfect, I'm discovering that I cannot export it properly. I have tried Exporting the Map to PDF, PNG, TIFF, etc. I have tried various settings of image quality and DPI. ...
2
votes
1answer
20 views

Constructing a simple zip code polygon map in CartoDB

I'm new to using CartoDB. I suspect that what I want to do is rather simple but I would love some guidance. I want to produce a map that depicts multiple layers, the first of which is simple zip code ...
1
vote
1answer
28 views

CartoDB changing number formats in infowindows

I am trying to show percentage data in the hover infowindow function.The percentages are being reflected as decimals since that is how the data was uploaded. How can I tell CartoDB to multiply the ...
2
votes
1answer
20 views

Select by attributes for Arabic fonts in SDE/ file geodatabases?

I have a layer with names of electrical substations in Arabic language. there is no any problem when searching any Field names in English language whether from the SDE of file goedatabase I got the ...
1
vote
2answers
39 views

CartoDB's SQL API: Row too large

I am trying to run the following PostGIS query using CartoDB's SQL API: SELECT the_geom, ST_Area(ST_Intersection(the_geom::geography,ST_Buffer(ST_SetSRID(ST_MakePoint(-52.4379, ...
1
vote
1answer
25 views

Add date field to imported csv file

I am using a script written by John to import a csv file and make a point feature class. My table looks like this: "timestamp_pretty","mmsi","imo","shipType","lat","long","month","week" "31/12/1969 ...
2
votes
0answers
17 views

Has anyone implemented the leaflet.shapefile plugin?

I'm trying to implement the leaflet.shapefile plugin to enable a user to upload a zipped shapefile and overlay it on my webmapping site as can be done in the demo version of the site. ...
2
votes
2answers
173 views

Example of how to display a Cartodb layer (using the layergroupid) after initializing a named map?

I have successfully created a named map. I can initialize the map (as seen here), and I do get the correct response. Now, to my problem. How do I show this layer (using the layergroupid I got as a ...
-5
votes
0answers
28 views

calculate the image file size [on hold]

determine the disc storage and image pyramids for 100 color images size 23 x 23 cm squared,assuming the images were scanned with 7.5 and 30 micrometers. there is no color depth value provided in the ...
3
votes
2answers
1k views

How to interactively get the coordinates of a point in QGIS

I have a shapefile with a single layer of type point. It is in the google CRS (EPSG:900913). When I use the 'Identify Feature' tool it gives me lots of information about the point clicked on, but I ...
0
votes
0answers
7 views

arcgis operation dashboard url parameters

need to know if it possible to filter dashboard data sources with url parameters . also if it possible to change the behavior between Layer Filters tool to AND not OR .
6
votes
2answers
152 views

Difference between CoordinateSystem and CoordinateReferenceSystem

What is the concept of Coordinate Reference System. You know GeoTools has a FeatureType class having getCoordinateReferenceSystem() function and also a CoordinateReferenceSystem class having ...
4
votes
0answers
98 views
+50

ArcGIS Server Image Service Problem, Dark Imagery

I have been experiencing an issue when creating image services that contain multiple imagery sets. The method I have been using to create the image services is to create a mosaic dataset, add the ...

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