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Old 04-07-2014, 07:22   #1186
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Re: Beta Test / Technical

Also I just made this page in Dev Manual.
Plugin Guidelines | Official OpenCPN Homepage
See item #3
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Old 04-07-2014, 20:49   #1187
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Re: Beta Test / Technical

Hello! Thanks for opencpn, it has been very useful over the years.

I've just installed the latest beta code for saucy on a machine running linux Mint 16 Cinnamon.

In the Connections section of Options in opencpn, the textbox for address when adding a new network gpsd connection does not seem to accept "localhost" as a valid entry (as suggested in the documentation). It does accept the localhost's IP number, but does not find the gps.

xgps finds the gpsd daemon correctly, as far as I can tell.

I'm using a lenovo T60p, with a 64-bit OS. I installed using the development ppa from the opencpn website. I'm using a BU-353 USB gps dongle.

This may be a bug, or I may be missing something (but I think I've been following the documentation quite closely).

Many thanks for your advice.

Danny
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Old 04-07-2014, 21:30   #1188
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Re: Beta Test / Technical

Quote:
Originally Posted by greentree View Post
Hello!
... It does accept the localhost's IP number, but does not find the gps.
I have a very similar system, and the gps worked fine with gpsd, but the setting was set from an older version. In latest beta if I delete the connection then add it and hit apply, I get a message box complaining about the address.
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Old 04-07-2014, 21:56   #1189
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Re: Beta Test / Technical

See:
Code:
commit caf0e147d47689670376225fb85bf5d427b467f2
Author: Keith Young <stripydog7@gmail.com>
Date:   Wed May 28 07:39:19 2014 +0100

    Additional checks for empty port and address fields in datastream options

diff --git a/src/options.cpp b/src/options.cpp
index 3f01a28..d170c59 100644
--- a/src/options.cpp
+++ b/src/options.cpp
@@ -2518,11 +2518,17 @@ ConnectionParams *options::CreateConnectionParamsFromSelectedItem()
         wxMessageBox( _("You must select or enter the port..."), _("Error!") );
         return NULL;
     }
-    //  TCP (I/O), GPSD (Input) and UDP (Output) ports require address field to be set
-    else if ( m_rbTypeNet->GetValue() && m_tNetAddress->GetValue() == wxEmptyString ) {
-        if( m_rbNetProtoTCP->GetValue() ||
-            m_rbNetProtoGPSD->GetValue() ||
-            ( m_rbNetProtoUDP->GetValue() &&  m_cbOutput->GetValue()) )
+    //  TCP, GPSD and UDP require port field to be set.
+    //  TCP clients, GPSD and UDP output sockets require an address
+    else if ( m_rbTypeNet->GetValue()) {
+        if (wxAtoi(m_tNetPort->GetValue()) == 0)
+        {
+            wxMessageBox( _("You must enter a port..."), _("Error!") );
+            return NULL;
+        }
+        if (((m_rbNetProtoGPSD->GetValue()) ||
+                (m_rbNetProtoUDP->GetValue() && m_cbOutput->GetValue())) &&
+                wxStrpbrk(m_tNetAddress->GetValue(),_("123456789")) == NULL )
         {
             wxMessageBox( _("You must enter the address..."), _("Error!") );
             return NULL;
@@ -2542,7 +2548,6 @@ ConnectionParams *options::CreateConnectionParamsFromSelectedItem()
     pConnectionParams->LastNetworkPort = pConnectionParams->NetworkPort;
         
     pConnectionParams->NetworkAddress = m_tNetAddress->GetValue();
-    pConnectionParams->NetworkPort = wxAtoi(m_tNetPort->GetValue());
     if ( m_rbNetProtoTCP->GetValue() )
         pConnectionParams->NetProtocol = TCP;
     else if ( m_rbNetProtoUDP->GetValue() )
It is testing to ensure the address field has numbers in it, so "localhost1" is valid but "localhost" is not. Before testing was only to ensure the box was not empty.

I propose the following patch:

Code:
diff --git a/src/options.cpp b/src/options.cpp
index 9a599df..938f257 100644
--- a/src/options.cpp
+++ b/src/options.cpp
@@ -2523,12 +2523,14 @@ ConnectionParams *options::CreateConnectionParamsFromSelectedItem()
         if (m_rbNetProtoUDP->GetValue() && (!m_cbOutput->GetValue())) {
             m_tNetAddress->SetValue(_T("0.0.0.0"));
         }
-        else if (((m_rbNetProtoGPSD->GetValue()) ||
-                (m_rbNetProtoUDP->GetValue() && m_cbOutput->GetValue())) &&
-                wxStrpbrk(m_tNetAddress->GetValue(),_T("123456789")) == NULL )
+        else if ((m_rbNetProtoGPSD->GetValue()) ||
+                 (m_rbNetProtoUDP->GetValue() && m_cbOutput->GetValue()))
         {
-            wxMessageBox( _("You must enter the address..."), _("Error!") );
-            return NULL;
+            if(m_tNetAddress->GetValue().empty())
+                if(wxMessageBox( _("Address empty, assume local connection?"), _("Error!"),
+                                 wxYES_NO) == wxID_NO)
+                    return NULL;
+            m_tNetAddress->SetValue(_T("127.0.0.1"));
         }
 
         if (!m_tNetAddress->GetValue())
In testing this, I came across another bug. If you delete all the connections, then hit "ok" the options dialog remains, but cancel works and performs the operation ok would do (does not revert to old settings)
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Old 04-07-2014, 22:03   #1190
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Re: Beta Test / Technical

That's interesting. Can you tell from the settings file what the gps-related entries should be in the latest beta?
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Old 04-07-2014, 23:25   #1191
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Re: Beta Test / Technical

That is a known regression of 3.3.1824 - Afaik muttnik said he's going to fix it... Will definitely disappear in the next beta.

Pavel


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Old 05-07-2014, 08:57   #1192
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Re: Beta Test / Technical

Sorry yes: Only just seen this thread after having submitted a patch earlier today. This is the problem reported by redog last week.

Whilst patching this fixes rejecting of hostnames, it doesn't address the reported problem of gpsd input not working. I'm not near a gps unit to test this until next week, although tcpdump shows the initial connection being made OK at least. The changes I made for the last but one beta shouldn't have gone anywhere near the gpsd code but I will take a look when I have a gps to hook up to.

There's probably more than a few bugs lurking in the data connections code and related options code: I fixed a couple of crashes-waiting-to-happen doing the bi-directional stuff but I was mostly trying to make minimal changes.
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Old 06-07-2014, 14:46   #1193
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Re: Beta Test / Technical

Thanks all for your helpful replies.

From the 12.04 version, diff'ing opencpn.conf before and after the networked gps shows the significant change is

< DataConnections=
---
> DataConnections=1;2;localhost;2947;0;;4800;1;0;0;; 0;;0;0;0;0;1

As suggested by boat_alexandra, it looks as though hand editing DataConnections in opencpn.conf for the beta version enables it to find and get location data from the gps.

This seems like a relatively easy workaround for the short term.

best, Danny
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Old 11-07-2014, 11:34   #1194
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Re: Beta Test / Technical

I ran a git clone of opencpn today 11 jul 2014 version is 3.3.1220-1

I believe that I have all prerequisites for the build on fedora 20


after the cmake and while running make it errors out.


Scanning dependencies of target opencpn
[ 37%] Building CXX object CMakeFiles/opencpn.dir/src/chart1.cpp.o
/usr/local/src/OpenCPN/src/chart1.cpp: In member function ‘virtual bool MyApp::OnInit()’:
/usr/local/src/OpenCPN/src/chart1.cpp:1018:34: error: ‘wxHandleFatalExceptions’ was not declared in this scope
wxHandleFatalExceptions (true);
^
make[2]: *** [CMakeFiles/opencpn.dir/src/chart1.cpp.o] Error 1
make[1]: *** [CMakeFiles/opencpn.dir/all] Error 2
make: *** [all] Error 2


thanks
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Old 11-07-2014, 11:48   #1195
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Re: Beta Test / Technical

oystercatcher...
The current tree is version 3.3.1824
The error you see is in a code commited pretty recently though. Start with cleaning your build directory and running "cmake .." again.

Pavel
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Old 11-07-2014, 12:25   #1196
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Re: Beta Test / Technical

Doing a quick search it looks like Fedora has shipped it's wxWidgets with several features disabled for some reason (https://bugzilla.redhat.com/show_bug.cgi?id=1076617).
This patch should work it around:
Code:
diff --git a/src/chart1.cpp b/src/chart1.cpp
index 0cc4c02..34184ed 100644
--- a/src/chart1.cpp
+++ b/src/chart1.cpp
@@ -1014,9 +1014,11 @@ bool MyApp::OnInit()
 #endif
 
 #ifdef LINUX_CRASHRPT
+#if wxUSE_ON_FATAL_EXCEPTION
     // fatal exceptions handling
     wxHandleFatalExceptions (true);
 #endif
+#endif
 
     //  Seed the random number generator
     wxDateTime x = wxDateTime::UNow();
Pavel
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Old 11-07-2014, 13:21   #1197
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Re: Beta Test / Technical

thanks pavel

applied the patch and opencpn 3.3.1824-1 compiled
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Old 11-07-2014, 14:12   #1198
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Re: Beta Test / Technical

OK, thanks for the confirmation, I will commit it to the master in a while.

Pavel
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Old 14-07-2014, 04:54   #1199
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Re: Beta Test / Technical

About Weatherfax and Opencpn wxWidgets support for tiff (Windows)?
Does the downloaded version of Opencpn 3.2.0, 3.2.2 and 3.3.1824 wxWidgets support tiff?
If tiff is not supported, do I provide wxWidgets 2.8.12 support for tiff by running
from the wxWidgets 2.8.12 build directory
cmake .. --with-libtiff
cmake --build .
cmake --build . --config release

Can I check file size changes to determine which dll's changed?
Or should I just take all of the dlls?

Can these dlls be installed by the NSIS installer automatically even if the directory is not under plugins?

We need support for TIF in Weatherfax plugin

----
PS Found no "tif in script directory files.
Found under bakefiles directory tif.bkl and jpeg.bkl and png.blk
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Old 14-07-2014, 05:18   #1200
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Re: Beta Test / Technical

RE: Tif support for Weatherfax Plugin
Found this
wxWidgets: wxImage Class Reference

Code:
Creates an image from a file. 
 Parameters        nameName of the file from which to load the image.      typeMay be one of the following: 
  • wxBITMAP_TYPE_BMP: Load a Windows bitmap file.
  • wxBITMAP_TYPE_GIF: Load a GIF bitmap file.
  • wxBITMAP_TYPE_JPEG: Load a JPEG bitmap file.
  • wxBITMAP_TYPE_PNG: Load a PNG bitmap file.
  • wxBITMAP_TYPE_PCX: Load a PCX bitmap file.
  • wxBITMAP_TYPE_PNM: Load a PNM bitmap file.
  • wxBITMAP_TYPE_TIFF: Load a TIFF bitmap file.
  • wxBITMAP_TYPE_TGA: Load a TGA bitmap file.
  • wxBITMAP_TYPE_XPM: Load a XPM bitmap file.
  • wxBITMAP_TYPE_ICO: Load a Windows icon file (ICO).
  • wxBITMAP_TYPE_CUR: Load a Windows cursor file (CUR).
  • wxBITMAP_TYPE_ANI: Load a Windows animated cursor file (ANI).
  • wxBITMAP_TYPE_ANY: Will try to autodetect the format.
indexIndex of the image to load in the case that the image file contains multiple images. This is only used by GIF, ICO and TIFF handlers. The default value (-1) means "choose the default image" and is interpreted as the first image (index=0) by the GIF and TIFF handler and as the largest and most colourful one by the ICO handler. RemarksDepending on how wxWidgets has been configured and by which handlers have been loaded, not all formats may be available. Any handler other than BMP must be previously initialized with wxImage::AddHandler or wxInitAllImageHandlers.
wxWidgets: wxImage Class Reference
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