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    using field calculator on string field that has some empty values?

    I have a CityState field that has the city and states of landowners. Bellingham WA, for example. I am making two new fields, OwnerCity and OwnerState in which I strip the last two characters of CityState for OwnerCity (RTrim([CityState],2) and capture the last two characters for OwnerState...
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    Address locator returns no objects found

    Trying to build an address locator for the following feature case But unfortunately when I use find locations it finds no object What might be the issue here ? أكثر...
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    How to add mdb geodatabase layer (feature class) to QGIS project using python?

    I want to add a feature class of a personal geodatabase mdb to my qgs project by code (a plugin I am working on). I am using a command similar to that used for adding shapefiles, but this is not working.I guess there must be a way, since it is possible to add the layer using the Add Vector...
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    Disclaimer Idea

    I’m thinking something like this for your next cartographic disclaimer? Adjusted for mappiness of course. We DID NOT walk 500 mile. And we WOULD NOT walk 500 more. ~ The Disclaimers. — Ollie Garch (@ojedge) November 30, 2014 أكثر...
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    Book requested:

    Desertification and Risk Analysis Using High and Medium Resolution Satellite Data Training Workshop on Mapping DesertificationEditors: Marini, Alberto, Talbi, Mohamed (Eds.) Springer 2009 http://www.springer.com/gp/book/9781402089350# thanx in advance... أكثر...
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    کمک برا

    با سلام لطفا روش پهنه بند أكثر...
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    how to do a mass- "set data source"

    I'm looking to move 119 GB of data, mxd's, and other files from my computers C drive to "documents" (which I just found out is the only location that gets backed up to our server). How can I do this without needing to re-set all data sources for all layers within all of my mxds? Is there a way...
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    How do I search datasets through the using search using our Enterprise?

    So when you have layer that is missing or has a exclamation point next to the layer. Now, I am not sure where to find the dataset because our enterprise system in Citrix has thousands of dataset all over. When I use that search toolbox to find the layer that is missing and it came up nothing or...
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    MapServer: Symbol (v-line) style that automatically follows line direction

    I created this image: with: MAP SIZE 1000 1000 IMAGETYPE png24 EXTENT -30 -10 60 30 UNITS DDSYMBOL NAME "v-line-shift" TYPE vector POINTS 0 0 5 10 10 0 END # POINTS ANCHORPOINT 0.5 0END # SYMBOLLAYER # Simple line STATUS DEFAULT TYPE LINE FEATURE POINTS 5 25...
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    QGIS just installed - 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. on a 1.7 GHz Intel Core i5 MacBook Air). When I want to change the sybology of my map, this...
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    How can I work out the percentage of different raster parcels in a polygon

    I have a raster layer (LCM2007) that contains 24 classes of landcover and a shapefile, polygon, which represents areas in a survey. I want the area, or percentage, of each class in each area. For instance, I need to add 24 columns to the area shapefile (i.e one column for each class) and...
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    Problems using GRASS tolls for topology validation in QGIS

    I'm working with a shapefile of Enumeration Districts (Setores Censit أكثر...
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    VectoreLayer Still Empty even if attribute has been set with value

    I am working with the qgis api c++ 2.8.2, my application is written in QT 4.5.3 / C++I had to create a vectorlayer in memory with attributes and features and export it to a shp file to import it in QGIS applicaiton Sothe creation of the vectorLayer Works, it is based on the qgis python...
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    How to dissolve a large number of polygons in QGIS?

    I'm trying to do it using the command DISSOLVE but it generates an empty shapefile. My purpose is to dissolve a large number of polygons (about 200,000) into a single multi-polygon... أكثر...
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    QgsPalLayerSettings is not defined

    So I'm writing some script for QGIS 1.8 and I'm unable to resolve this error. from qgis.core import *pallyr = QgsPalLayerSettings()The second line gives me error that QgsPalLayerSettings is not defined. When I do it in QGIS 2 or higher then i don't get any errors and it imports this class...
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    How to install python-mapscript in a virtualenv?

    I am on a django project where I want to use the python implementation of the mapserver mapscript library. I was able to install mapserver and python-mapscript from source. However, due to the project setup I am forced to run django in a virtualenv that does not allow site-packages in my...
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    A month of handy hints for ArcGIS users

    The Esri training team ran a tip a day in June and have pulled them together in a blog article. A couple of the desktop ones are things I’d used recently on a project to make life easier. The list is well worth a look, there might be something that makes things quicker or easier for you. أكثر...
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    Creating a value-counting table with search- and update cursor

    first post here. I'm a python beginner. I`m working with ArcGIS 10.2.2 and IDLE Python 2.7.5 I have a shapefile with around 20 fields, each attribute has a value between -3 and 3. This would look like this: I need to count the number of occurences of each value for every object. For this...
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    How can I import a csv file with varying numbers of values per row into postgres?

    I am trying to import a csv file into postgres using this statement: COPY T00_import FROM E'C:\\temp\\CSV\\Aberdeen City 9051_20150212_C_01.csv' CSV;The Table T00_import is a simple table with 17 fields, all set to varchar(100). The csv does not have a header and the first row only has 9...
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    How to add grid labels on the border of the data frame?

    Licence: Advanced Version: ArcMap 10.1 I'm trying to place the labels of my measured grid at the border of my data frame. I've tried to edit the labels in the "Data Frame Properties -> Grids -> Properties" but nothing works. Only the border of the polygon will be labeled. How can i fix...
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