1. To locate the tool most easily, just search for ‘feature class to feature class’. Select the tool that is highlighted in the image below.
2. Select the shapefile that contains the 3D features, and load it into the ‘Input Features’ dropdown box. Enter the ‘save’ location for the new shapefile.
3. Select the ‘Environments…’ button to access the ‘Z Values’ settings. This is where you will disable the z-value of your shapefile to create a 2D shape (see the two images following). Repeat for ‘M Values‘.
4. Click ‘OK’ and you are ready to load your new 2D shapefile into iGIS.
As always, we are happy to assist if you have any concerns or questions regarding this process. Just email firstname.lastname@example.org
– extra info http://forums.arcgis.com/threads/77695-w
In iGIS 7, the WIFI import/export feature was removed. Due to this, the existing instructions for Custom Data Entry Forms are slightly outdated. The following article will document the process for generating and editing custom .glc files in order to create custom data entry forms in iGIS 7.
You can import: a .glc with your shapefile; and export it from iGIS.
To start using customized forms, we recommend that you follow the following steps:
Step 1. Download the below linked sample glc shapefile data and become familiar with the format by; investigating the file in a text editor, importing it into iGIS, editing the shapefile in iGIS.
Step 2. Export your shapefile layer from iGIS to automatically create the *.glc.
Step 3. Edit your iGIS created *.glc template file with a text editor to add lookup code lists. Use the sample *.glc file from step 1 as a syntax reference.
Step 4. Import your shapefile into iGIS with your *.glc file, and begin editing your data with codelists.
Some users have reported discrepancies with the location of their data over the basemap imagery in iGIS and/or a desktop GIS tool (such as ArcMap). If you are noticing a shift in your layers, this article may help you.
All vector data in iGIS is stored in the common coordinate system: WGS84 EPSG:4326. All raster data in iGIS (pre-processed through MapTiler software) is stored in the common coordinate system: EPSG:900913. Using these coordinate systems for all source data speeds up rendering in iGIS’s map display.
iGIS uses the open source proj4 library ( http://trac.osgeo.org/proj/ ) to support:
the reprojection of vector data on import/export from its original defined input coordinate system to WGS 84 (EPSG:4326)
re-projection of displayed iGIS project map centre coordinates from the WGS84 coordinate system into the projection defined for a particular project.
If you are unsure which coordinate system to use when you create a new project, we recommend you use the default EPSG:4326 WGS84 Lat/Lon for vector data. This will ensure your data collection is not affected by reprojection within the application.
If you find that your points don’t line up with your basemap imagery as expected, it is likely that there is a bug with the proj4 library. Bugs in the library can be submitted at the Proj4 website http://trac.osgeo.org/proj/ We incrementally update iGIS’s version of the Proj4 library with the latest available version, so when a fix becomes available in the library it will make its way into iGIS. Until then, the only workaround is to transform your data into a supported coordinate system, i.e. EPSG 4326 – WGS 84, with third party software like ArcGIS, prior to iGIS import.
If you need to restore your iPhone or iPad, or you wish to transfer your projects to a new phone, it is possible to save your projects and settings in their current state.
iGIS uses two sqlite databases in its backend; spatial-store.sqlite and Projects.sqlite. In most cases data can be restored to your iPhone after from these files using free third party software as described in the steps below.
iGIS uses two sqlite databases in its backend; spatial-store.sqlite and Projects.sqlite. In most cases data can be recovered to shapefile from these files using free third party software as described in the steps below.
1. Get a copy of these backend database files off your device using third party software like; iPhone Explorer http://www.macroplant.com/iexplorer/
-Once installed, use iExplorer in its free demo mode to navigate to;
Save the spatialstore.sqlite and Projects.sqlite files to a location on your PC.
2. The spatial data in the spatial-store.sqlite database can be visualised and exported to shapefiles using the open source software Spatialite-GIS. This software can be found at the below linked site;
From version 6.0 photos can be captured and linked to features. This is a ‘Pro feature’ provided as BETA functionality in version 6.0, please note that future versions will require Pro features to be activated via an in-app purchase.
To link photos to features you will first need to define an ‘ID field’ for the target layer. To do this Open the target Projects settings, and navigate to the target layers settings.
‘ID field’ attributes are used in the naming of the photos to enable easy linking or GIS software hyperlink creation after export from iGIS.
Photos can be captured and linked to existing or newly created features:
- To add photos to an existing feature, single tap the feature in the map window to display its attributes. Select Edit, Scroll down to the end of the attribute list and select Photos.
- To add photos at the time of feature creation, In edit mode, after the features geometry has been defined, select commit to bring up the attribute window, Scroll down to the end of the attribute list and select Photos.
On USB export from iGIS linked images are exported to a directory beside your exported shapefile data.
The naming conventions for images captured in iGIS are;
<shapefile name>-<iGIS ID Field value>-<Image number for feature>.jpg
The process of setting up hyperlinks to these images is different depending on which GIS software you use.
The below linked ESRI article describes how to setup dynamic and field based hyperlinks in ArcGIS.